Re: [4.2.y-ckt stable] Linux 4.2.8-ckt7

From: Kamal Mostafa
Date: Tue Apr 05 2016 - 16:25:19 EST

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diff --git a/MAINTAINERS b/MAINTAINERS
index 4be1334..ab4384f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -229,13 +229,13 @@ F: kernel/sys_ni.c

ABIT UGURU 1,2 HARDWARE MONITOR DRIVER
M: Hans de Goede <hdegoede@xxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/abituguru.c

ABIT UGURU 3 HARDWARE MONITOR DRIVER
M: Alistair John Strachan <alistair@xxxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/abituguru3.c

@@ -366,14 +366,14 @@ S: Maintained

ADM1025 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/adm1025
F: drivers/hwmon/adm1025.c

ADM1029 HARDWARE MONITOR DRIVER
M: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/adm1029.c

@@ -418,7 +418,7 @@ F: drivers/video/backlight/adp8860_bl.c

ADS1015 HARDWARE MONITOR DRIVER
M: Dirk Eibach <eibach@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/ads1015
F: drivers/hwmon/ads1015.c
@@ -431,7 +431,7 @@ F: drivers/macintosh/therm_adt746x.c

ADT7475 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/adt7475
F: drivers/hwmon/adt7475.c
@@ -601,9 +601,9 @@ F: drivers/crypto/ccp/
F: include/linux/ccp.h

AMD FAM15H PROCESSOR POWER MONITORING DRIVER
-M: Andreas Herrmann <herrmann.der.user@xxxxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
-S: Maintained
+M: Huang Rui <ray.huang@xxxxxxx>
+L: linux-hwmon@xxxxxxxxxxxxxxx
+S: Supported
F: Documentation/hwmon/fam15h_power
F: drivers/hwmon/fam15h_power.c

@@ -761,7 +761,7 @@ F: drivers/input/mouse/bcm5974.c

APPLE SMC DRIVER
M: Henrik Rydberg <rydberg@xxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Odd fixes
F: drivers/hwmon/applesmc.c

@@ -1712,7 +1712,7 @@ F: include/media/as3645a.h

ASC7621 HARDWARE MONITOR DRIVER
M: George Joseph <george.joseph@xxxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/asc7621
F: drivers/hwmon/asc7621.c
@@ -1791,7 +1791,7 @@ F: drivers/net/wireless/ath/carl9170/

ATK0110 HWMON DRIVER
M: Luca Tettamanti <kronos.it@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/asus_atk0110.c

@@ -2866,7 +2866,7 @@ F: mm/swap_cgroup.c

CORETEMP HARDWARE MONITORING DRIVER
M: Fenghua Yu <fenghua.yu@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/coretemp
F: drivers/hwmon/coretemp.c
@@ -3422,7 +3422,7 @@ T: git git://git.infradead.org/users/vkoul/slave-dma.git

DME1737 HARDWARE MONITOR DRIVER
M: Juerg Haefliger <juergh@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/dme1737
F: drivers/hwmon/dme1737.c
@@ -4112,7 +4112,7 @@ F: include/video/exynos_mipi*

F71805F HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/f71805f
F: drivers/hwmon/f71805f.c
@@ -4191,7 +4191,7 @@ F: fs/*

FINTEK F75375S HARDWARE MONITOR AND FAN CONTROLLER DRIVER
M: Riku Voipio <riku.voipio@xxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/f75375s.c
F: include/linux/f75375s.h
@@ -4716,8 +4716,8 @@ F: drivers/media/usb/hackrf/
HARDWARE MONITORING
M: Jean Delvare <jdelvare@xxxxxxxx>
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
-W: http://www.lm-sensors.org/
+L: linux-hwmon@xxxxxxxxxxxxxxx
+W: http://hwmon.wiki.kernel.org/
T: quilt http://jdelvare.nerim.net/devel/linux/jdelvare-hwmon/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
S: Maintained
@@ -5212,7 +5212,7 @@ F: drivers/usb/atm/ueagle-atm.c

INA209 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/ina209
F: Documentation/devicetree/bindings/i2c/ina209.txt
@@ -5220,7 +5220,7 @@ F: drivers/hwmon/ina209.c

INA2XX HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/ina2xx
F: drivers/hwmon/ina2xx.c
@@ -5692,7 +5692,7 @@ F: drivers/isdn/hardware/eicon/

IT87 HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/it87
F: drivers/hwmon/it87.c
@@ -5728,7 +5728,7 @@ F: drivers/media/dvb-frontends/ix2505v*

JC42.4 TEMPERATURE SENSOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/jc42.c
F: Documentation/hwmon/jc42
@@ -5779,14 +5779,14 @@ F: drivers/tty/serial/jsm/

K10TEMP HARDWARE MONITORING DRIVER
M: Clemens Ladisch <clemens@xxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/k10temp
F: drivers/hwmon/k10temp.c

K8TEMP HARDWARE MONITORING DRIVER
M: Rudolf Marek <r.marek@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/k8temp
F: drivers/hwmon/k8temp.c
@@ -6279,27 +6279,27 @@ F: net/llc/

LM73 HARDWARE MONITOR DRIVER
M: Guillaume Ligneul <guillaume.ligneul@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/lm73.c

LM78 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/lm78
F: drivers/hwmon/lm78.c

LM83 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/lm83
F: drivers/hwmon/lm83.c

LM90 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/lm90
F: Documentation/devicetree/bindings/hwmon/lm90.txt
@@ -6307,7 +6307,7 @@ F: drivers/hwmon/lm90.c

LM95234 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/lm95234
F: drivers/hwmon/lm95234.c
@@ -6374,7 +6374,7 @@ F: drivers/scsi/sym53c8xx_2/

LTC4261 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/ltc4261
F: drivers/hwmon/ltc4261.c
@@ -6536,21 +6536,21 @@ F: include/uapi/linux/matroxfb.h

MAX16065 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/max16065
F: drivers/hwmon/max16065.c

MAX6650 HARDWARE MONITOR AND FAN CONTROLLER DRIVER
M: "Hans J. Koch" <hjk@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/max6650
F: drivers/hwmon/max6650.c

MAX6697 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/max6697
F: Documentation/devicetree/bindings/i2c/max6697.txt
@@ -6985,7 +6985,7 @@ F: drivers/scsi/NCR_D700.*

NCT6775 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/nct6775
F: drivers/hwmon/nct6775.c
@@ -7720,7 +7720,7 @@ F: drivers/video/logo/logo_parisc*

PC87360 HARDWARE MONITORING DRIVER
M: Jim Cromie <jim.cromie@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/pc87360
F: drivers/hwmon/pc87360.c
@@ -7732,7 +7732,7 @@ F: drivers/char/pc8736x_gpio.c

PC87427 HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/pc87427
F: drivers/hwmon/pc87427.c
@@ -8034,8 +8034,8 @@ F: drivers/rtc/rtc-puv3.c

PMBUS HARDWARE MONITORING DRIVERS
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
-W: http://www.lm-sensors.org/
+L: linux-hwmon@xxxxxxxxxxxxxxx
+W: http://hwmon.wiki.kernel.org/
W: http://www.roeck-us.net/linux/drivers/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
S: Maintained
@@ -8226,7 +8226,7 @@ F: drivers/media/usb/pwc/*

PWM FAN DRIVER
M: Kamil Debski <k.debski@xxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Supported
F: Documentation/devicetree/bindings/hwmon/pwm-fan.txt
F: Documentation/hwmon/pwm-fan
@@ -9416,28 +9416,28 @@ F: Documentation/devicetree/bindings/media/i2c/nokia,smia.txt

SMM665 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/smm665
F: drivers/hwmon/smm665.c

SMSC EMC2103 HARDWARE MONITOR DRIVER
M: Steve Glendinning <steve.glendinning@xxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/emc2103
F: drivers/hwmon/emc2103.c

SMSC SCH5627 HARDWARE MONITOR DRIVER
M: Hans de Goede <hdegoede@xxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Supported
F: Documentation/hwmon/sch5627
F: drivers/hwmon/sch5627.c

SMSC47B397 HARDWARE MONITOR DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/smsc47b397
F: drivers/hwmon/smsc47b397.c
@@ -10346,7 +10346,7 @@ F: include/linux/mmc/sh_mobile_sdhi.h

TMP401 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/tmp401
F: drivers/hwmon/tmp401.c
@@ -11053,14 +11053,14 @@ F: include/linux/regulator/

VT1211 HARDWARE MONITOR DRIVER
M: Juerg Haefliger <juergh@xxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/vt1211
F: drivers/hwmon/vt1211.c

VT8231 HARDWARE MONITOR DRIVER
M: Roger Lucas <vt8231@xxxxxxxxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/vt8231.c

@@ -11079,21 +11079,21 @@ F: drivers/w1/

W83791D HARDWARE MONITORING DRIVER
M: Marc Hulsman <m.hulsman@xxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/w83791d
F: drivers/hwmon/w83791d.c

W83793 HARDWARE MONITORING DRIVER
M: Rudolf Marek <r.marek@xxxxxxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: Documentation/hwmon/w83793
F: drivers/hwmon/w83793.c

W83795 HARDWARE MONITORING DRIVER
M: Jean Delvare <jdelvare@xxxxxxxx>
-L: lm-sensors@xxxxxxxxxxxxxx
+L: linux-hwmon@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/hwmon/w83795.c

diff --git a/Makefile b/Makefile
index b968040..dba440e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 2
SUBLEVEL = 8
-EXTRAVERSION = -ckt6
+EXTRAVERSION = -ckt7
NAME = Hare's hurried rump

# *DOCUMENTATION*
diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h
index 57c1f33..0352fb8 100644
--- a/arch/arc/include/asm/bitops.h
+++ b/arch/arc/include/asm/bitops.h
@@ -35,21 +35,6 @@ static inline void op##_bit(unsigned long nr, volatile unsigned long *m)\
\
m += nr >> 5; \
\
- /* \
- * ARC ISA micro-optimization: \
- * \
- * Instructions dealing with bitpos only consider lower 5 bits \
- * e.g (x << 33) is handled like (x << 1) by ASL instruction \
- * (mem pointer still needs adjustment to point to next word) \
- * \
- * Hence the masking to clamp @nr arg can be elided in general. \
- * \
- * However if @nr is a constant (above assumed in a register), \
- * and greater than 31, gcc can optimize away (x << 33) to 0, \
- * as overflow, given the 32-bit ISA. Thus masking needs to be \
- * done for const @nr, but no code is generated due to gcc \
- * const prop. \
- */ \
nr &= 0x1f; \
\
__asm__ __volatile__( \
diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h
index 694ece8..27b17ad 100644
--- a/arch/arc/include/asm/io.h
+++ b/arch/arc/include/asm/io.h
@@ -129,15 +129,23 @@ static inline void __raw_writel(u32 w, volatile void __iomem *addr)
#define writel(v,c) ({ __iowmb(); writel_relaxed(v,c); })

/*
- * Relaxed API for drivers which can handle any ordering themselves
+ * Relaxed API for drivers which can handle barrier ordering themselves
+ *
+ * Also these are defined to perform little endian accesses.
+ * To provide the typical device register semantics of fixed endian,
+ * swap the byte order for Big Endian
+ *
+ * http://lkml.kernel.org/r/201603100845.30602.arnd@xxxxxxxx
*/
#define readb_relaxed(c) __raw_readb(c)
-#define readw_relaxed(c) __raw_readw(c)
-#define readl_relaxed(c) __raw_readl(c)
+#define readw_relaxed(c) ({ u16 __r = le16_to_cpu((__force __le16) \
+ __raw_readw(c)); __r; })
+#define readl_relaxed(c) ({ u32 __r = le32_to_cpu((__force __le32) \
+ __raw_readl(c)); __r; })

#define writeb_relaxed(v,c) __raw_writeb(v,c)
-#define writew_relaxed(v,c) __raw_writew(v,c)
-#define writel_relaxed(v,c) __raw_writel(v,c)
+#define writew_relaxed(v,c) __raw_writew((__force u16) cpu_to_le16(v),c)
+#define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c)

#include <asm-generic/io.h>

diff --git a/arch/arm/boot/dts/armada-375.dtsi b/arch/arm/boot/dts/armada-375.dtsi
index 67a0ab0..811b233 100644
--- a/arch/arm/boot/dts/armada-375.dtsi
+++ b/arch/arm/boot/dts/armada-375.dtsi
@@ -510,7 +510,7 @@
};

sata@a0000 {
- compatible = "marvell,orion-sata";
+ compatible = "marvell,armada-370-sata";
reg = <0xa0000 0x5000>;
interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gateclk 14>, <&gateclk 20>;
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index dd8f531..a121d1e 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -67,8 +67,6 @@ config MACH_DAVINCI_EVM
bool "TI DM644x EVM"
default ARCH_DAVINCI_DM644x
depends on ARCH_DAVINCI_DM644x
- select EEPROM_AT24
- select I2C
help
Configure this option to specify the whether the board used
for development is a DM644x EVM
@@ -76,8 +74,6 @@ config MACH_DAVINCI_EVM
config MACH_SFFSDR
bool "Lyrtech SFFSDR"
depends on ARCH_DAVINCI_DM644x
- select EEPROM_AT24
- select I2C
help
Say Y here to select the Lyrtech Small Form Factor
Software Defined Radio (SFFSDR) board.
@@ -108,8 +104,6 @@ config MACH_DAVINCI_DM6467_EVM
bool "TI DM6467 EVM"
default ARCH_DAVINCI_DM646x
depends on ARCH_DAVINCI_DM646x
- select EEPROM_AT24
- select I2C
select MACH_DAVINCI_DM6467TEVM
help
Configure this option to specify the whether the board used
@@ -122,8 +116,6 @@ config MACH_DAVINCI_DM365_EVM
bool "TI DM365 EVM"
default ARCH_DAVINCI_DM365
depends on ARCH_DAVINCI_DM365
- select EEPROM_AT24
- select I2C
help
Configure this option to specify whether the board used
for development is a DM365 EVM
@@ -132,9 +124,7 @@ config MACH_DAVINCI_DA830_EVM
bool "TI DA830/OMAP-L137/AM17x Reference Platform"
default ARCH_DAVINCI_DA830
depends on ARCH_DAVINCI_DA830
- select EEPROM_AT24
- select GPIO_PCF857X
- select I2C
+ select GPIO_PCF857X if I2C
help
Say Y here to select the TI DA830/OMAP-L137/AM17x Evaluation Module.

@@ -203,8 +193,6 @@ endchoice
config MACH_MITYOMAPL138
bool "Critical Link MityDSP-L138/MityARM-1808 SoM"
depends on ARCH_DAVINCI_DA850
- select EEPROM_AT24
- select I2C
help
Say Y here to select the Critical Link MityDSP-L138/MityARM-1808
System on Module. Information on this SoM may be found at
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index 1a0898c..e97f50a 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -267,7 +267,7 @@ static struct platform_device rtc_dev = {
static struct snd_platform_data dm644x_evm_snd_data;

/*----------------------------------------------------------------------*/
-
+#ifdef CONFIG_I2C
/*
* I2C GPIO expanders
*/
@@ -614,6 +614,7 @@ static void __init evm_init_i2c(void)
i2c_add_driver(&dm6446evm_msp_driver);
i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}
+#endif

#define VENC_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)

@@ -782,7 +783,9 @@ static __init void davinci_evm_init(void)
pr_warn("%s: Cannot configure AEMIF\n",
__func__);

+#ifdef CONFIG_I2C
evm_leds[7].default_trigger = "nand-disk";
+#endif
if (HAS_NOR)
pr_warn("WARNING: both NAND and NOR flash are enabled; disable one of them.\n");
} else if (HAS_NOR)
@@ -791,9 +794,10 @@ static __init void davinci_evm_init(void)

platform_add_devices(davinci_evm_devices,
ARRAY_SIZE(davinci_evm_devices));
+#ifdef CONFIG_I2C
evm_init_i2c();
-
davinci_setup_mmc(0, &dm6446evm_mmc_config);
+#endif
dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg);

davinci_serial_init(dm644x_serial_device);
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 846a84d..bba710f 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -121,6 +121,7 @@ static struct platform_device davinci_nand_device = {

#define HAS_ATA IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)

+#ifdef CONFIG_I2C
/* CPLD Register 0 bits to control ATA */
#define DM646X_EVM_ATA_RST BIT(0)
#define DM646X_EVM_ATA_PWD BIT(1)
@@ -316,6 +317,7 @@ static struct at24_platform_data eeprom_info = {
.setup = davinci_get_mac_addr,
.context = (void *)0x7f00,
};
+#endif

static u8 dm646x_iis_serializer_direction[] = {
TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
@@ -346,6 +348,7 @@ static struct snd_platform_data dm646x_evm_snd_data[] = {
},
};

+#ifdef CONFIG_I2C
static struct i2c_client *cpld_client;

static int cpld_video_probe(struct i2c_client *client,
@@ -710,6 +713,7 @@ static void __init evm_init_i2c(void)
evm_init_cpld();
evm_init_video();
}
+#endif

#define DM6467T_EVM_REF_FREQ 33000000

@@ -764,7 +768,10 @@ static __init void evm_init(void)
if (ret)
pr_warn("%s: GPIO init failed: %d\n", __func__, ret);

+#ifdef CONFIG_I2C
evm_init_i2c();
+#endif
+
davinci_serial_init(dm646x_serial_device);
dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index aa7b379..2a3db0b 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -34,6 +34,7 @@
#include "pm.h"
#include "control.h"
#include "common.h"
+#include "soc.h"

/* Mach specific information to be recorded in the C-state driver_data */
struct omap3_idle_statedata {
@@ -315,6 +316,69 @@ static struct cpuidle_driver omap3_idle_driver = {
.safe_state_index = 0,
};

+/*
+ * Numbers based on measurements made in October 2009 for PM optimized kernel
+ * with CPU freq enabled on device Nokia N900. Assumes OPP2 (main idle OPP,
+ * and worst case latencies).
+ */
+static struct cpuidle_driver omap3430_idle_driver = {
+ .name = "omap3430_idle",
+ .owner = THIS_MODULE,
+ .states = {
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 110 + 162,
+ .target_residency = 5,
+ .name = "C1",
+ .desc = "MPU ON + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 106 + 180,
+ .target_residency = 309,
+ .name = "C2",
+ .desc = "MPU ON + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 107 + 410,
+ .target_residency = 46057,
+ .name = "C3",
+ .desc = "MPU RET + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 121 + 3374,
+ .target_residency = 46057,
+ .name = "C4",
+ .desc = "MPU OFF + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 855 + 1146,
+ .target_residency = 46057,
+ .name = "C5",
+ .desc = "MPU RET + CORE RET",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 7580 + 4134,
+ .target_residency = 484329,
+ .name = "C6",
+ .desc = "MPU OFF + CORE RET",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 7505 + 15274,
+ .target_residency = 484329,
+ .name = "C7",
+ .desc = "MPU OFF + CORE OFF",
+ },
+ },
+ .state_count = ARRAY_SIZE(omap3_idle_data),
+ .safe_state_index = 0,
+};
+
/* Public functions */

/**
@@ -333,5 +397,8 @@ int __init omap3_idle_init(void)
if (!mpu_pd || !core_pd || !per_pd || !cam_pd)
return -ENODEV;

- return cpuidle_register(&omap3_idle_driver, NULL);
+ if (cpu_is_omap3430())
+ return cpuidle_register(&omap3430_idle_driver, NULL);
+ else
+ return cpuidle_register(&omap3_idle_driver, NULL);
}
diff --git a/arch/arm/mach-prima2/Kconfig b/arch/arm/mach-prima2/Kconfig
index 9ab8932..56e55fd 100644
--- a/arch/arm/mach-prima2/Kconfig
+++ b/arch/arm/mach-prima2/Kconfig
@@ -1,6 +1,7 @@
menuconfig ARCH_SIRF
bool "CSR SiRF" if ARCH_MULTI_V7
select ARCH_HAS_RESET_CONTROLLER
+ select RESET_CONTROLLER
select ARCH_REQUIRE_GPIOLIB
select GENERIC_IRQ_CHIP
select NO_IOPORT_MAP
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index a648338..4e33fe3 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -45,7 +45,7 @@ struct zpci_fmb {
u64 rpcit_ops;
u64 dma_rbytes;
u64 dma_wbytes;
-} __packed __aligned(16);
+} __packed __aligned(64);

enum zpci_state {
ZPCI_FN_STATE_RESERVED,
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 598f023..50a79a5 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -871,8 +871,11 @@ static inline int barsize(u8 size)

static int zpci_mem_init(void)
{
+ BUILD_BUG_ON(!is_power_of_2(__alignof__(struct zpci_fmb)) ||
+ __alignof__(struct zpci_fmb) < sizeof(struct zpci_fmb));
+
zdev_fmb_cache = kmem_cache_create("PCI_FMB_cache", sizeof(struct zpci_fmb),
- 16, 0, NULL);
+ __alignof__(struct zpci_fmb), 0, NULL);
if (!zdev_fmb_cache)
goto error_zdev;

diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c
index ec29e14..bf25d7c 100644
--- a/arch/sh/mm/kmap.c
+++ b/arch/sh/mm/kmap.c
@@ -36,6 +36,7 @@ void *kmap_coherent(struct page *page, unsigned long addr)

BUG_ON(!test_bit(PG_dcache_clean, &page->flags));

+ preempt_disable();
pagefault_disable();

idx = FIX_CMAP_END -
@@ -64,4 +65,5 @@ void kunmap_coherent(void *kvaddr)
}

pagefault_enable();
+ preempt_enable();
}
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 29880c9..e22e572 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -133,7 +133,7 @@ void mconsole_proc(struct mc_request *req)
ptr += strlen("proc");
ptr = skip_spaces(ptr);

- file = file_open_root(mnt->mnt_root, mnt, ptr, O_RDONLY);
+ file = file_open_root(mnt->mnt_root, mnt, ptr, O_RDONLY, 0);
if (IS_ERR(file)) {
mconsole_reply(req, "Failed to open file", 1, 0);
printk(KERN_ERR "open /proc/%s: %ld\n", ptr, PTR_ERR(file));
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index c839363..fa2f39f 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -640,8 +640,8 @@ static inline void entering_irq(void)

static inline void entering_ack_irq(void)
{
- ack_APIC_irq();
entering_irq();
+ ack_APIC_irq();
}

static inline void ipi_entering_ack_irq(void)
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index d866959..d2ad00a 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -57,4 +57,6 @@ static inline bool xen_x2apic_para_available(void)
}
#endif

+extern void xen_set_iopl_mask(unsigned mask);
+
#endif /* _ASM_X86_XEN_HYPERVISOR_H */
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index a27d738..d93690c 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -593,6 +593,19 @@ void x86_pmu_disable_all(void)
}
}

+/*
+ * There may be PMI landing after enabled=0. The PMI hitting could be before or
+ * after disable_all.
+ *
+ * If PMI hits before disable_all, the PMU will be disabled in the NMI handler.
+ * It will not be re-enabled in the NMI handler again, because enabled=0. After
+ * handling the NMI, disable_all will be called, which will not change the
+ * state either. If PMI hits after disable_all, the PMU is already disabled
+ * before entering NMI handler. The NMI handler will not change the state
+ * either.
+ *
+ * So either situation is harmless.
+ */
static void x86_pmu_disable(struct pmu *pmu)
{
struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 3e7fd27..04cd687 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -590,6 +590,7 @@ struct x86_pmu {
pebs_active :1,
pebs_broken :1;
int pebs_record_size;
+ int pebs_buffer_size;
void (*drain_pebs)(struct pt_regs *regs);
struct event_constraint *pebs_constraints;
void (*pebs_aliases)(struct perf_event *event);
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 1b09c42..9af4ba8 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1244,7 +1244,15 @@ static __initconst const u64 slm_hw_cache_event_ids
};

/*
- * Use from PMIs where the LBRs are already disabled.
+ * Used from PMIs where the LBRs are already disabled.
+ *
+ * This function could be called consecutively. It is required to remain in
+ * disabled state if called consecutively.
+ *
+ * During consecutive calls, the same disable value will be written to related
+ * registers, so the PMU state remains unchanged. hw.state in
+ * intel_bts_disable_local will remain PERF_HES_STOPPED too in consecutive
+ * calls.
*/
static void __intel_pmu_disable_all(void)
{
@@ -1670,7 +1678,10 @@ again:
goto again;

done:
- __intel_pmu_enable_all(0, true);
+ /* Only restore PMU state when it's active. See x86_pmu_disable(). */
+ if (cpuc->enabled)
+ __intel_pmu_enable_all(0, true);
+
/*
* Only unmask the NMI after the overflow counters
* have been reset. This avoids spurious NMIs on
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index dbe8d89..56a9cfd 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -256,7 +256,7 @@ static int alloc_pebs_buffer(int cpu)
if (!x86_pmu.pebs)
return 0;

- buffer = kzalloc_node(PEBS_BUFFER_SIZE, GFP_KERNEL, node);
+ buffer = kzalloc_node(x86_pmu.pebs_buffer_size, GFP_KERNEL, node);
if (unlikely(!buffer))
return -ENOMEM;

@@ -273,7 +273,7 @@ static int alloc_pebs_buffer(int cpu)
per_cpu(insn_buffer, cpu) = ibuffer;
}

- max = PEBS_BUFFER_SIZE / x86_pmu.pebs_record_size;
+ max = x86_pmu.pebs_buffer_size / x86_pmu.pebs_record_size;

ds->pebs_buffer_base = (u64)(unsigned long)buffer;
ds->pebs_index = ds->pebs_buffer_base;
@@ -1229,6 +1229,7 @@ void __init intel_ds_init(void)

x86_pmu.bts = boot_cpu_has(X86_FEATURE_BTS);
x86_pmu.pebs = boot_cpu_has(X86_FEATURE_PEBS);
+ x86_pmu.pebs_buffer_size = PEBS_BUFFER_SIZE;
if (x86_pmu.pebs) {
char pebs_type = x86_pmu.intel_cap.pebs_trap ? '+' : '-';
int format = x86_pmu.intel_cap.pebs_format;
@@ -1237,6 +1238,14 @@ void __init intel_ds_init(void)
case 0:
printk(KERN_CONT "PEBS fmt0%c, ", pebs_type);
x86_pmu.pebs_record_size = sizeof(struct pebs_record_core);
+ /*
+ * Using >PAGE_SIZE buffers makes the WRMSR to
+ * PERF_GLOBAL_CTRL in intel_pmu_enable_all()
+ * mysteriously hang on Core2.
+ *
+ * As a workaround, we don't do this.
+ */
+ x86_pmu.pebs_buffer_size = PAGE_SIZE;
x86_pmu.drain_pebs = intel_pmu_drain_pebs_core;
break;

diff --git a/arch/x86/kernel/cpu/perf_event_knc.c b/arch/x86/kernel/cpu/perf_event_knc.c
index 5b0c232..b931095 100644
--- a/arch/x86/kernel/cpu/perf_event_knc.c
+++ b/arch/x86/kernel/cpu/perf_event_knc.c
@@ -263,7 +263,9 @@ again:
goto again;

done:
- knc_pmu_enable_all(0);
+ /* Only restore PMU state when it's active. See x86_pmu_disable(). */
+ if (cpuc->enabled)
+ knc_pmu_enable_all(0);

return handled;
}
diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
index 37dae79..589b319 100644
--- a/arch/x86/kernel/ioport.c
+++ b/arch/x86/kernel/ioport.c
@@ -96,9 +96,14 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
SYSCALL_DEFINE1(iopl, unsigned int, level)
{
struct pt_regs *regs = current_pt_regs();
- unsigned int old = (regs->flags >> 12) & 3;
struct thread_struct *t = &current->thread;

+ /*
+ * Careful: the IOPL bits in regs->flags are undefined under Xen PV
+ * and changing them has no effect.
+ */
+ unsigned int old = t->iopl >> X86_EFLAGS_IOPL_BIT;
+
if (level > 3)
return -EINVAL;
/* Trying to gain more privileges? */
@@ -106,8 +111,9 @@ SYSCALL_DEFINE1(iopl, unsigned int, level)
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
}
- regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12);
- t->iopl = level << 12;
+ regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) |
+ (level << X86_EFLAGS_IOPL_BIT);
+ t->iopl = level << X86_EFLAGS_IOPL_BIT;
set_iopl_mask(t->iopl);

return 0;
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index adff851..87a848b 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -48,6 +48,7 @@
#include <asm/syscalls.h>
#include <asm/debugreg.h>
#include <asm/switch_to.h>
+#include <asm/xen/hypervisor.h>

asmlinkage extern void ret_from_fork(void);

@@ -417,6 +418,17 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV))
__switch_to_xtra(prev_p, next_p, tss);

+#ifdef CONFIG_XEN
+ /*
+ * On Xen PV, IOPL bits in pt_regs->flags have no effect, and
+ * current_pt_regs()->flags may not match the current task's
+ * intended IOPL. We need to switch it manually.
+ */
+ if (unlikely(xen_pv_domain() &&
+ prev->iopl != next->iopl))
+ xen_set_iopl_mask(next->iopl);
+#endif
+
if (static_cpu_has_bug(X86_BUG_SYSRET_SS_ATTRS)) {
/*
* AMD CPUs have a misfeature: SYSRET sets the SS selector but
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index a5b5997..3ec922b 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -244,7 +244,7 @@ static void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian)
* PIC is being reset. Handle it gracefully here
*/
atomic_inc(&ps->pending);
- else if (value > 0)
+ else if (value > 0 && ps->reinject)
/* in this case, we had multiple outstanding pit interrupts
* that we needed to inject. Reinject
*/
@@ -287,7 +287,9 @@ static void pit_do_work(struct kthread_work *work)
* last one has been acked.
*/
spin_lock(&ps->inject_lock);
- if (ps->irq_ack) {
+ if (!ps->reinject)
+ inject = 1;
+ else if (ps->irq_ack) {
ps->irq_ack = 0;
inject = 1;
}
@@ -316,10 +318,10 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data)
struct kvm_kpit_state *ps = container_of(data, struct kvm_kpit_state, timer);
struct kvm_pit *pt = ps->kvm->arch.vpit;

- if (ps->reinject || !atomic_read(&ps->pending)) {
+ if (ps->reinject)
atomic_inc(&ps->pending);
- queue_kthread_work(&pt->worker, &pt->expired);
- }
+
+ queue_kthread_work(&pt->worker, &pt->expired);

if (ps->is_periodic) {
hrtimer_add_expires_ns(&ps->timer, ps->period);
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index abf8cc7..c832c7d 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7199,6 +7199,7 @@ static int handle_invept(struct kvm_vcpu *vcpu)
if (!(types & (1UL << type))) {
nested_vmx_failValid(vcpu,
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
+ skip_emulated_instruction(vcpu);
return 1;
}

diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index 9a2b710..f16af96 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -553,3 +553,10 @@ static void twinhead_reserve_killing_zone(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x27B9, twinhead_reserve_killing_zone);
+
+static void pci_bdwep_bar(struct pci_dev *dev)
+{
+ dev->non_compliant_bars = 1;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_bdwep_bar);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_bdwep_bar);
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index f83c0ba..79858f7 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -959,7 +959,7 @@ static void xen_load_sp0(struct tss_struct *tss,
tss->x86_tss.sp0 = thread->sp0;
}

-static void xen_set_iopl_mask(unsigned mask)
+void xen_set_iopl_mask(unsigned mask)
{
struct physdev_set_iopl set_iopl;

diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index 9ed5564..05e1df9 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -128,7 +128,7 @@ ENTRY(_startup)
wsr a0, icountlevel

.set _index, 0
- .rept XCHAL_NUM_DBREAK - 1
+ .rept XCHAL_NUM_DBREAK
wsr a0, SREG_DBREAKC + _index
.set _index, _index + 1
.endr
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index d75aa14..1a804a2 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -97,11 +97,11 @@ void clear_user_highpage(struct page *page, unsigned long vaddr)
unsigned long paddr;
void *kvaddr = coherent_kvaddr(page, TLBTEMP_BASE_1, vaddr, &paddr);

- pagefault_disable();
+ preempt_disable();
kmap_invalidate_coherent(page, vaddr);
set_bit(PG_arch_1, &page->flags);
clear_page_alias(kvaddr, paddr);
- pagefault_enable();
+ preempt_enable();
}

void copy_user_highpage(struct page *dst, struct page *src,
@@ -113,11 +113,11 @@ void copy_user_highpage(struct page *dst, struct page *src,
void *src_vaddr = coherent_kvaddr(src, TLBTEMP_BASE_2, vaddr,
&src_paddr);

- pagefault_disable();
+ preempt_disable();
kmap_invalidate_coherent(dst, vaddr);
set_bit(PG_arch_1, &dst->flags);
copy_page_alias(dst_vaddr, src_vaddr, dst_paddr, src_paddr);
- pagefault_enable();
+ preempt_enable();
}

#endif /* DCACHE_WAY_SIZE > PAGE_SIZE */
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 70cb408..92d785f 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -100,21 +100,23 @@ static void rs_poll(unsigned long priv)
{
struct tty_port *port = (struct tty_port *)priv;
int i = 0;
+ int rd = 1;
unsigned char c;

spin_lock(&timer_lock);

while (simc_poll(0)) {
- simc_read(0, &c, 1);
+ rd = simc_read(0, &c, 1);
+ if (rd <= 0)
+ break;
tty_insert_flip_char(port, c, TTY_NORMAL);
i++;
}

if (i)
tty_flip_buffer_push(port);
-
-
- mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
+ if (rd)
+ mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
spin_unlock(&timer_lock);
}

diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index e5b5721..13836be 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -377,6 +377,7 @@ static int crypto_init_ablkcipher_ops(struct crypto_tfm *tfm, u32 type,
}
crt->base = __crypto_ablkcipher_cast(tfm);
crt->ivsize = alg->ivsize;
+ crt->has_setkey = alg->max_keysize;

return 0;
}
@@ -458,6 +459,7 @@ static int crypto_init_givcipher_ops(struct crypto_tfm *tfm, u32 type,
crt->givdecrypt = alg->givdecrypt ?: no_givdecrypt;
crt->base = __crypto_ablkcipher_cast(tfm);
crt->ivsize = alg->ivsize;
+ crt->has_setkey = alg->max_keysize;

return 0;
}
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 6c0410e..42e497d 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -65,18 +65,10 @@ struct skcipher_async_req {
struct skcipher_async_rsgl first_sgl;
struct list_head list;
struct scatterlist *tsg;
- char iv[];
+ atomic_t *inflight;
+ struct ablkcipher_request req;
};

-#define GET_SREQ(areq, ctx) (struct skcipher_async_req *)((char *)areq + \
- crypto_ablkcipher_reqsize(crypto_ablkcipher_reqtfm(&ctx->req)))
-
-#define GET_REQ_SIZE(ctx) \
- crypto_ablkcipher_reqsize(crypto_ablkcipher_reqtfm(&ctx->req))
-
-#define GET_IV_SIZE(ctx) \
- crypto_ablkcipher_ivsize(crypto_ablkcipher_reqtfm(&ctx->req))
-
#define MAX_SGL_ENTS ((4096 - sizeof(struct skcipher_sg_list)) / \
sizeof(struct scatterlist) - 1)

@@ -102,15 +94,12 @@ static void skcipher_free_async_sgls(struct skcipher_async_req *sreq)

static void skcipher_async_cb(struct crypto_async_request *req, int err)
{
- struct sock *sk = req->data;
- struct alg_sock *ask = alg_sk(sk);
- struct skcipher_ctx *ctx = ask->private;
- struct skcipher_async_req *sreq = GET_SREQ(req, ctx);
+ struct skcipher_async_req *sreq = req->data;
struct kiocb *iocb = sreq->iocb;

- atomic_dec(&ctx->inflight);
+ atomic_dec(sreq->inflight);
skcipher_free_async_sgls(sreq);
- kfree(req);
+ kzfree(sreq);
iocb->ki_complete(iocb, err, err);
}

@@ -306,8 +295,11 @@ static int skcipher_sendmsg(struct socket *sock, struct msghdr *msg,
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
+ struct sock *psk = ask->parent;
+ struct alg_sock *pask = alg_sk(psk);
struct skcipher_ctx *ctx = ask->private;
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(&ctx->req);
+ struct skcipher_tfm *skc = pask->private;
+ struct crypto_ablkcipher *tfm = skc->skcipher;
unsigned ivsize = crypto_ablkcipher_ivsize(tfm);
struct skcipher_sg_list *sgl;
struct af_alg_control con = {};
@@ -509,37 +501,43 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
+ struct sock *psk = ask->parent;
+ struct alg_sock *pask = alg_sk(psk);
struct skcipher_ctx *ctx = ask->private;
+ struct skcipher_tfm *skc = pask->private;
+ struct crypto_ablkcipher *tfm = skc->skcipher;
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
struct skcipher_async_req *sreq;
struct ablkcipher_request *req;
struct skcipher_async_rsgl *last_rsgl = NULL;
- unsigned int txbufs = 0, len = 0, tx_nents = skcipher_all_sg_nents(ctx);
- unsigned int reqlen = sizeof(struct skcipher_async_req) +
- GET_REQ_SIZE(ctx) + GET_IV_SIZE(ctx);
+ unsigned int txbufs = 0, len = 0, tx_nents;
+ unsigned int reqsize = crypto_ablkcipher_reqsize(tfm);
+ unsigned int ivsize = crypto_ablkcipher_ivsize(tfm);
int err = -ENOMEM;
bool mark = false;
+ char *iv;

- lock_sock(sk);
- req = kmalloc(reqlen, GFP_KERNEL);
- if (unlikely(!req))
- goto unlock;
+ sreq = kzalloc(sizeof(*sreq) + reqsize + ivsize, GFP_KERNEL);
+ if (unlikely(!sreq))
+ goto out;

- sreq = GET_SREQ(req, ctx);
+ req = &sreq->req;
+ iv = (char *)(req + 1) + reqsize;
sreq->iocb = msg->msg_iocb;
- memset(&sreq->first_sgl, '\0', sizeof(struct skcipher_async_rsgl));
INIT_LIST_HEAD(&sreq->list);
+ sreq->inflight = &ctx->inflight;
+
+ lock_sock(sk);
+ tx_nents = skcipher_all_sg_nents(ctx);
sreq->tsg = kcalloc(tx_nents, sizeof(*sg), GFP_KERNEL);
- if (unlikely(!sreq->tsg)) {
- kfree(req);
+ if (unlikely(!sreq->tsg))
goto unlock;
- }
sg_init_table(sreq->tsg, tx_nents);
- memcpy(sreq->iv, ctx->iv, GET_IV_SIZE(ctx));
- ablkcipher_request_set_tfm(req, crypto_ablkcipher_reqtfm(&ctx->req));
+ memcpy(iv, ctx->iv, ivsize);
+ ablkcipher_request_set_tfm(req, tfm);
ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP,
- skcipher_async_cb, sk);
+ skcipher_async_cb, sreq);

while (iov_iter_count(&msg->msg_iter)) {
struct skcipher_async_rsgl *rsgl;
@@ -615,20 +613,22 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
sg_mark_end(sreq->tsg + txbufs - 1);

ablkcipher_request_set_crypt(req, sreq->tsg, sreq->first_sgl.sgl.sg,
- len, sreq->iv);
+ len, iv);
err = ctx->enc ? crypto_ablkcipher_encrypt(req) :
crypto_ablkcipher_decrypt(req);
if (err == -EINPROGRESS) {
atomic_inc(&ctx->inflight);
err = -EIOCBQUEUED;
+ sreq = NULL;
goto unlock;
}
free:
skcipher_free_async_sgls(sreq);
- kfree(req);
unlock:
skcipher_wmem_wakeup(sk);
release_sock(sk);
+ kzfree(sreq);
+out:
return err;
}

@@ -637,9 +637,12 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg,
{
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
+ struct sock *psk = ask->parent;
+ struct alg_sock *pask = alg_sk(psk);
struct skcipher_ctx *ctx = ask->private;
- unsigned bs = crypto_ablkcipher_blocksize(crypto_ablkcipher_reqtfm(
- &ctx->req));
+ struct skcipher_tfm *skc = pask->private;
+ struct crypto_ablkcipher *tfm = skc->skcipher;
+ unsigned bs = crypto_ablkcipher_blocksize(tfm);
struct skcipher_sg_list *sgl;
struct scatterlist *sg;
int err = -EAGAIN;
@@ -961,7 +964,7 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
{
struct skcipher_tfm *tfm = private;

- if (!tfm->has_key)
+ if (!tfm->has_key && crypto_ablkcipher_has_setkey(tfm->skcipher))
return -ENOKEY;

return skcipher_accept_parent_nokey(private, sk);
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 8cc1622..79978da 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -472,6 +472,7 @@ static int crypto_init_blkcipher_ops_async(struct crypto_tfm *tfm)
}
crt->base = __crypto_ablkcipher_cast(tfm);
crt->ivsize = alg->ivsize;
+ crt->has_setkey = alg->max_keysize;

return 0;
}
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index e2c6d9e..e916bff 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -739,9 +739,9 @@ static int xgene_ahci_probe(struct platform_device *pdev)
dev_warn(&pdev->dev, "%s: Error reading device info. Assume version1\n",
__func__);
version = XGENE_AHCI_V1;
- }
- if (info->valid & ACPI_VALID_CID)
+ } else if (info->valid & ACPI_VALID_CID) {
version = XGENE_AHCI_V2;
+ }
}
}
#endif
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index f504232..f0a937d 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -618,8 +618,6 @@ static void mtip_handle_tfe(struct driver_data *dd)

port = dd->port;

- set_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
-
if (test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
cmd = mtip_cmd_from_tag(dd, MTIP_TAG_INTERNAL);
dbg_printk(MTIP_DRV_NAME " TFE for the internal command\n");
@@ -628,7 +626,7 @@ static void mtip_handle_tfe(struct driver_data *dd)
cmd->comp_func(port, MTIP_TAG_INTERNAL,
cmd, PORT_IRQ_TF_ERR);
}
- goto handle_tfe_exit;
+ return;
}

/* clear the tag accumulator */
@@ -701,7 +699,7 @@ static void mtip_handle_tfe(struct driver_data *dd)
fail_reason = "thermal shutdown";
}
if (buf[288] == 0xBF) {
- set_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag);
+ set_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag);
dev_info(&dd->pdev->dev,
"Drive indicates rebuild has failed. Secure erase required.\n");
fail_all_ncq_cmds = 1;
@@ -771,11 +769,6 @@ static void mtip_handle_tfe(struct driver_data *dd)
}
}
print_tags(dd, "reissued (TFE)", tagaccum, cmd_cnt);
-
-handle_tfe_exit:
- /* clear eh_active */
- clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
- wake_up_interruptible(&port->svc_wait);
}

/*
@@ -1007,6 +1000,7 @@ static bool mtip_pause_ncq(struct mtip_port *port,
(fis->features == 0x27 || fis->features == 0x72 ||
fis->features == 0x62 || fis->features == 0x26))) {
clear_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag);
+ clear_bit(MTIP_DDF_REBUILD_FAILED_BIT, &port->dd->dd_flag);
/* Com reset after secure erase or lowlevel format */
mtip_restart_port(port);
clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
@@ -1099,6 +1093,7 @@ static int mtip_exec_internal_command(struct mtip_port *port,
struct mtip_cmd *int_cmd;
struct driver_data *dd = port->dd;
int rv = 0;
+ unsigned long start;

/* Make sure the buffer is 8 byte aligned. This is asic specific. */
if (buffer & 0x00000007) {
@@ -1162,6 +1157,8 @@ static int mtip_exec_internal_command(struct mtip_port *port,
/* Populate the command header */
int_cmd->command_header->byte_count = 0;

+ start = jiffies;
+
/* Issue the command to the hardware */
mtip_issue_non_ncq_command(port, MTIP_TAG_INTERNAL);

@@ -1170,10 +1167,12 @@ static int mtip_exec_internal_command(struct mtip_port *port,
if ((rv = wait_for_completion_interruptible_timeout(
&wait,
msecs_to_jiffies(timeout))) <= 0) {
+
if (rv == -ERESTARTSYS) { /* interrupted */
dev_err(&dd->pdev->dev,
- "Internal command [%02X] was interrupted after %lu ms\n",
- fis->command, timeout);
+ "Internal command [%02X] was interrupted after %u ms\n",
+ fis->command,
+ jiffies_to_msecs(jiffies - start));
rv = -EINTR;
goto exec_ic_exit;
} else if (rv == 0) /* timeout */
@@ -2924,9 +2923,7 @@ static int mtip_service_thread(void *data)
* is in progress nor error handling is active
*/
wait_event_interruptible(port->svc_wait, (port->flags) &&
- !(port->flags & MTIP_PF_PAUSE_IO));
-
- set_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags);
+ (port->flags & MTIP_PF_SVC_THD_WORK));

if (kthread_should_stop() ||
test_bit(MTIP_PF_SVC_THD_STOP_BIT, &port->flags))
@@ -2936,6 +2933,8 @@ static int mtip_service_thread(void *data)
&dd->dd_flag)))
goto st_out;

+ set_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags);
+
restart_eh:
/* Demux bits: start with error handling */
if (test_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags)) {
@@ -2978,10 +2977,8 @@ restart_eh:
}

if (test_bit(MTIP_PF_REBUILD_BIT, &port->flags)) {
- if (mtip_ftl_rebuild_poll(dd) < 0)
- set_bit(MTIP_DDF_REBUILD_FAILED_BIT,
- &dd->dd_flag);
- clear_bit(MTIP_PF_REBUILD_BIT, &port->flags);
+ if (mtip_ftl_rebuild_poll(dd) == 0)
+ clear_bit(MTIP_PF_REBUILD_BIT, &port->flags);
}
}

@@ -3096,7 +3093,7 @@ static int mtip_hw_get_identify(struct driver_data *dd)
if (buf[288] == 0xBF) {
dev_info(&dd->pdev->dev,
"Drive indicates rebuild has failed.\n");
- /* TODO */
+ set_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag);
}
}

@@ -3270,20 +3267,25 @@ out1:
return rv;
}

-static void mtip_standby_drive(struct driver_data *dd)
+static int mtip_standby_drive(struct driver_data *dd)
{
- if (dd->sr)
- return;
+ int rv = 0;

+ if (dd->sr || !dd->port)
+ return -ENODEV;
/*
* Send standby immediate (E0h) to the drive so that it
* saves its state.
*/
if (!test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags) &&
- !test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag))
- if (mtip_standby_immediate(dd->port))
+ !test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag) &&
+ !test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag)) {
+ rv = mtip_standby_immediate(dd->port);
+ if (rv)
dev_warn(&dd->pdev->dev,
"STANDBY IMMEDIATE failed\n");
+ }
+ return rv;
}

/*
@@ -3341,8 +3343,7 @@ static int mtip_hw_shutdown(struct driver_data *dd)
* Send standby immediate (E0h) to the drive so that it
* saves its state.
*/
- if (!dd->sr && dd->port)
- mtip_standby_immediate(dd->port);
+ mtip_standby_drive(dd);

return 0;
}
@@ -3365,7 +3366,7 @@ static int mtip_hw_suspend(struct driver_data *dd)
* Send standby immediate (E0h) to the drive
* so that it saves its state.
*/
- if (mtip_standby_immediate(dd->port) != 0) {
+ if (mtip_standby_drive(dd) != 0) {
dev_err(&dd->pdev->dev,
"Failed standby-immediate command\n");
return -EFAULT;
@@ -3603,6 +3604,28 @@ static int mtip_block_getgeo(struct block_device *dev,
return 0;
}

+static int mtip_block_open(struct block_device *dev, fmode_t mode)
+{
+ struct driver_data *dd;
+
+ if (dev && dev->bd_disk) {
+ dd = (struct driver_data *) dev->bd_disk->private_data;
+
+ if (dd) {
+ if (test_bit(MTIP_DDF_REMOVAL_BIT,
+ &dd->dd_flag)) {
+ return -ENODEV;
+ }
+ return 0;
+ }
+ }
+ return -ENODEV;
+}
+
+void mtip_block_release(struct gendisk *disk, fmode_t mode)
+{
+}
+
/*
* Block device operation function.
*
@@ -3610,6 +3633,8 @@ static int mtip_block_getgeo(struct block_device *dev,
* layer.
*/
static const struct block_device_operations mtip_block_ops = {
+ .open = mtip_block_open,
+ .release = mtip_block_release,
.ioctl = mtip_block_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = mtip_block_compat_ioctl,
@@ -3671,10 +3696,9 @@ static int mtip_submit_request(struct blk_mq_hw_ctx *hctx, struct request *rq)
rq_data_dir(rq))) {
return -ENODATA;
}
- if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag)))
+ if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag) ||
+ test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag)))
return -ENODATA;
- if (test_bit(MTIP_DDF_REBUILD_FAILED_BIT, &dd->dd_flag))
- return -ENXIO;
}

if (rq->cmd_flags & REQ_DISCARD) {
@@ -3858,7 +3882,6 @@ static int mtip_block_initialize(struct driver_data *dd)

mtip_hw_debugfs_init(dd);

-skip_create_disk:
memset(&dd->tags, 0, sizeof(dd->tags));
dd->tags.ops = &mtip_mq_ops;
dd->tags.nr_hw_queues = 1;
@@ -3888,6 +3911,7 @@ skip_create_disk:
dd->disk->queue = dd->queue;
dd->queue->queuedata = dd;

+skip_create_disk:
/* Initialize the protocol layer. */
wait_for_rebuild = mtip_hw_get_identify(dd);
if (wait_for_rebuild < 0) {
@@ -4049,7 +4073,8 @@ static int mtip_block_remove(struct driver_data *dd)
dd->bdev = NULL;
}
if (dd->disk) {
- del_gendisk(dd->disk);
+ if (test_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag))
+ del_gendisk(dd->disk);
if (dd->disk->queue) {
blk_cleanup_queue(dd->queue);
blk_mq_free_tag_set(&dd->tags);
@@ -4090,7 +4115,8 @@ static int mtip_block_shutdown(struct driver_data *dd)
dev_info(&dd->pdev->dev,
"Shutting down %s ...\n", dd->disk->disk_name);

- del_gendisk(dd->disk);
+ if (test_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag))
+ del_gendisk(dd->disk);
if (dd->disk->queue) {
blk_cleanup_queue(dd->queue);
blk_mq_free_tag_set(&dd->tags);
@@ -4435,7 +4461,7 @@ static void mtip_pci_remove(struct pci_dev *pdev)
struct driver_data *dd = pci_get_drvdata(pdev);
unsigned long flags, to;

- set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);
+ set_bit(MTIP_DDF_REMOVAL_BIT, &dd->dd_flag);

spin_lock_irqsave(&dev_lock, flags);
list_del_init(&dd->online_list);
@@ -4452,12 +4478,18 @@ static void mtip_pci_remove(struct pci_dev *pdev)
} while (atomic_read(&dd->irq_workers_active) != 0 &&
time_before(jiffies, to));

+ fsync_bdev(dd->bdev);
+
if (atomic_read(&dd->irq_workers_active) != 0) {
dev_warn(&dd->pdev->dev,
"Completion workers still active!\n");
}

- blk_mq_stop_hw_queues(dd->queue);
+ if (dd->sr)
+ blk_mq_stop_hw_queues(dd->queue);
+
+ set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);
+
/* Clean up the block layer. */
mtip_block_remove(dd);

diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 3274784..50af742 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -144,6 +144,11 @@ enum {
MTIP_PF_REBUILD_BIT = 6,
MTIP_PF_SVC_THD_STOP_BIT = 8,

+ MTIP_PF_SVC_THD_WORK = ((1 << MTIP_PF_EH_ACTIVE_BIT) |
+ (1 << MTIP_PF_ISSUE_CMDS_BIT) |
+ (1 << MTIP_PF_REBUILD_BIT) |
+ (1 << MTIP_PF_SVC_THD_STOP_BIT)),
+
/* below are bit numbers in 'dd_flag' defined in driver_data */
MTIP_DDF_SEC_LOCK_BIT = 0,
MTIP_DDF_REMOVE_PENDING_BIT = 1,
@@ -153,6 +158,7 @@ enum {
MTIP_DDF_RESUME_BIT = 6,
MTIP_DDF_INIT_DONE_BIT = 7,
MTIP_DDF_REBUILD_FAILED_BIT = 8,
+ MTIP_DDF_REMOVAL_BIT = 9,

MTIP_DDF_STOP_IO = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) |
(1 << MTIP_DDF_SEC_LOCK_BIT) |
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 0e385d8..e7bd163 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -556,8 +556,8 @@ static void do_nbd_request(struct request_queue *q)
req, req->cmd_type);

if (unlikely(!nbd->sock)) {
- dev_err(disk_to_dev(nbd->disk),
- "Attempted send on closed socket\n");
+ dev_err_ratelimited(disk_to_dev(nbd->disk),
+ "Attempted send on closed socket\n");
req->errors++;
nbd_end_request(nbd, req);
spin_lock_irq(q->queue_lock);
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index b9242d7..d25e59d 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -126,7 +126,7 @@
*/
#include <linux/types.h>

-static bool verbose = 0;
+static int verbose = 0;
static int major = PD_MAJOR;
static char *name = PD_NAME;
static int cluster = 64;
@@ -161,7 +161,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
static DEFINE_MUTEX(pd_mutex);
static DEFINE_SPINLOCK(pd_lock);

-module_param(verbose, bool, 0);
+module_param(verbose, int, 0);
module_param(major, int, 0);
module_param(name, charp, 0);
module_param(cluster, int, 0);
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 1740d75..216a94f 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -117,7 +117,7 @@

*/

-static bool verbose = 0;
+static int verbose = 0;
static int major = PT_MAJOR;
static char *name = PT_NAME;
static int disable = 0;
@@ -152,7 +152,7 @@ static int (*drives[4])[6] = {&drive0, &drive1, &drive2, &drive3};

#include <asm/uaccess.h>

-module_param(verbose, bool, 0);
+module_param(verbose, int, 0);
module_param(major, int, 0);
module_param(name, charp, 0);
module_param_array(drive0, int, NULL, 0);
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index fa893c3..0beaa52 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -82,6 +82,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x0489, 0xe05f) },
{ USB_DEVICE(0x0489, 0xe076) },
{ USB_DEVICE(0x0489, 0xe078) },
+ { USB_DEVICE(0x0489, 0xe095) },
{ USB_DEVICE(0x04c5, 0x1330) },
{ USB_DEVICE(0x04CA, 0x3004) },
{ USB_DEVICE(0x04CA, 0x3005) },
@@ -92,6 +93,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x04CA, 0x300d) },
{ USB_DEVICE(0x04CA, 0x300f) },
{ USB_DEVICE(0x04CA, 0x3010) },
+ { USB_DEVICE(0x04CA, 0x3014) },
{ USB_DEVICE(0x0930, 0x0219) },
{ USB_DEVICE(0x0930, 0x021c) },
{ USB_DEVICE(0x0930, 0x0220) },
@@ -113,10 +115,12 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x13d3, 0x3362) },
{ USB_DEVICE(0x13d3, 0x3375) },
{ USB_DEVICE(0x13d3, 0x3393) },
+ { USB_DEVICE(0x13d3, 0x3395) },
{ USB_DEVICE(0x13d3, 0x3402) },
{ USB_DEVICE(0x13d3, 0x3408) },
{ USB_DEVICE(0x13d3, 0x3423) },
{ USB_DEVICE(0x13d3, 0x3432) },
+ { USB_DEVICE(0x13d3, 0x3472) },
{ USB_DEVICE(0x13d3, 0x3474) },

/* Atheros AR5BBU12 with sflash firmware */
@@ -144,6 +148,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
@@ -154,6 +159,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
@@ -175,10 +181,12 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },

/* Atheros AR5BBU22 with sflash firmware */
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f869fb1..447947f 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -185,6 +185,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
@@ -195,6 +196,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
@@ -216,10 +218,12 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },

/* Atheros AR5BBU12 with sflash firmware */
diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c
index e98d15e..1827fc4 100644
--- a/drivers/bus/imx-weim.c
+++ b/drivers/bus/imx-weim.c
@@ -150,7 +150,7 @@ static int __init weim_parse_dt(struct platform_device *pdev,
return ret;
}

- for_each_child_of_node(pdev->dev.of_node, child) {
+ for_each_available_child_of_node(pdev->dev.of_node, child) {
if (!child->name)
continue;

diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 0f8623d..4a3e534 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -133,11 +133,13 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev,
chip->cdev.owner = chip->pdev->driver->owner;
chip->cdev.kobj.parent = &chip->dev.kobj;

+ devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev);
+
return chip;
}
EXPORT_SYMBOL_GPL(tpmm_chip_alloc);

-static int tpm_dev_add_device(struct tpm_chip *chip)
+static int tpm_add_char_device(struct tpm_chip *chip)
{
int rc;

@@ -148,7 +150,6 @@ static int tpm_dev_add_device(struct tpm_chip *chip)
chip->devname, MAJOR(chip->dev.devt),
MINOR(chip->dev.devt), rc);

- device_unregister(&chip->dev);
return rc;
}

@@ -159,16 +160,17 @@ static int tpm_dev_add_device(struct tpm_chip *chip)
chip->devname, MAJOR(chip->dev.devt),
MINOR(chip->dev.devt), rc);

+ cdev_del(&chip->cdev);
return rc;
}

return rc;
}

-static void tpm_dev_del_device(struct tpm_chip *chip)
+static void tpm_del_char_device(struct tpm_chip *chip)
{
cdev_del(&chip->cdev);
- device_unregister(&chip->dev);
+ device_del(&chip->dev);
}

static int tpm1_chip_register(struct tpm_chip *chip)
@@ -225,7 +227,7 @@ int tpm_chip_register(struct tpm_chip *chip)
if (rc)
return rc;

- rc = tpm_dev_add_device(chip);
+ rc = tpm_add_char_device(chip);
if (rc)
goto out_err;

@@ -264,6 +266,6 @@ void tpm_chip_unregister(struct tpm_chip *chip)
synchronize_rcu();

tpm1_chip_unregister(chip);
- tpm_dev_del_device(chip);
+ tpm_del_char_device(chip);
}
EXPORT_SYMBOL_GPL(tpm_chip_unregister);
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 4bb9727..61e6429 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -310,11 +310,11 @@ static int crb_acpi_remove(struct acpi_device *device)
struct device *dev = &device->dev;
struct tpm_chip *chip = dev_get_drvdata(dev);

- tpm_chip_unregister(chip);
-
if (chip->flags & TPM_CHIP_FLAG_TPM2)
tpm2_shutdown(chip, TPM2_SU_CLEAR);

+ tpm_chip_unregister(chip);
+
return 0;
}

diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 706b578..79f5c78 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -412,6 +412,12 @@ const struct clk_ops clk_divider_ops = {
};
EXPORT_SYMBOL_GPL(clk_divider_ops);

+const struct clk_ops clk_divider_ro_ops = {
+ .recalc_rate = clk_divider_recalc_rate,
+ .round_rate = clk_divider_round_rate,
+};
+EXPORT_SYMBOL_GPL(clk_divider_ro_ops);
+
static struct clk *_register_divider(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
void __iomem *reg, u8 shift, u8 width,
@@ -435,7 +441,10 @@ static struct clk *_register_divider(struct device *dev, const char *name,
return ERR_PTR(-ENOMEM);

init.name = name;
- init.ops = &clk_divider_ops;
+ if (clk_divider_flags & CLK_DIVIDER_READ_ONLY)
+ init.ops = &clk_divider_ro_ops;
+ else
+ init.ops = &clk_divider_ops;
init.flags = flags | CLK_IS_BASIC;
init.parent_names = (parent_name ? &parent_name: NULL);
init.num_parents = (parent_name ? 1 : 0);
diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c
index 2f9668b..3bea500 100644
--- a/drivers/clk/clk-xgene.c
+++ b/drivers/clk/clk-xgene.c
@@ -353,8 +353,8 @@ static int xgene_clk_set_rate(struct clk_hw *hw, unsigned long rate,
/* Set new divider */
data = xgene_clk_read(pclk->param.divider_reg +
pclk->param.reg_divider_offset);
- data &= ~((1 << pclk->param.reg_divider_width) - 1)
- << pclk->param.reg_divider_shift;
+ data &= ~(((1 << pclk->param.reg_divider_width) - 1)
+ << pclk->param.reg_divider_shift);
data |= divider;
xgene_clk_write(data, pclk->param.divider_reg +
pclk->param.reg_divider_offset);
diff --git a/drivers/clk/meson/clkc.c b/drivers/clk/meson/clkc.c
index b8c511c..a19190f 100644
--- a/drivers/clk/meson/clkc.c
+++ b/drivers/clk/meson/clkc.c
@@ -199,7 +199,7 @@ meson_clk_register_fixed_rate(const struct clk_conf *clk_conf,
}

void __init meson_clk_register_clks(const struct clk_conf *clk_confs,
- size_t nr_confs,
+ unsigned int nr_confs,
void __iomem *clk_base)
{
unsigned int i;
diff --git a/drivers/clk/nxp/clk-lpc18xx-ccu.c b/drivers/clk/nxp/clk-lpc18xx-ccu.c
index eeaee97..d27fd7a 100644
--- a/drivers/clk/nxp/clk-lpc18xx-ccu.c
+++ b/drivers/clk/nxp/clk-lpc18xx-ccu.c
@@ -209,7 +209,7 @@ static void lpc18xx_ccu_register_branch_gate_div(struct lpc18xx_clk_branch *bran
div->width = 1;

div_hw = &div->hw;
- div_ops = &clk_divider_ops;
+ div_ops = &clk_divider_ro_ops;
}

branch->gate.reg = branch->offset + reg_base;
diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
index eb6a4f9..476d209 100644
--- a/drivers/clk/qcom/gcc-msm8960.c
+++ b/drivers/clk/qcom/gcc-msm8960.c
@@ -2753,7 +2753,7 @@ static struct clk_rcg ce3_src = {
},
.freq_tbl = clk_tbl_ce3,
.clkr = {
- .enable_reg = 0x2c08,
+ .enable_reg = 0x36c0,
.enable_mask = BIT(7),
.hw.init = &(struct clk_init_data){
.name = "ce3_src",
@@ -2769,7 +2769,7 @@ static struct clk_branch ce3_core_clk = {
.halt_reg = 0x2fdc,
.halt_bit = 5,
.clkr = {
- .enable_reg = 0x36c4,
+ .enable_reg = 0x36cc,
.enable_mask = BIT(4),
.hw.init = &(struct clk_init_data){
.name = "ce3_core_clk",
diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index e4f9d47..41f7e13 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -708,6 +708,9 @@ static const char *const rk3188_critical_clocks[] __initconst = {
"aclk_cpu",
"aclk_peri",
"hclk_peri",
+ "pclk_cpu",
+ "pclk_peri",
+ "hclk_cpubus"
};

static void __init rk3188_common_clk_init(struct device_node *np)
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index 052b94d..a9bdfd7 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -70,7 +70,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
if (gate_offset >= 0) {
gate = kzalloc(sizeof(*gate), GFP_KERNEL);
if (!gate)
- return ERR_PTR(-ENOMEM);
+ goto err_gate;

gate->flags = gate_flags;
gate->reg = base + gate_offset;
@@ -82,7 +82,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
if (div_width > 0) {
div = kzalloc(sizeof(*div), GFP_KERNEL);
if (!div)
- return ERR_PTR(-ENOMEM);
+ goto err_div;

div->flags = div_flags;
div->reg = base + muxdiv_offset;
@@ -90,7 +90,9 @@ static struct clk *rockchip_clk_register_branch(const char *name,
div->width = div_width;
div->lock = lock;
div->table = div_table;
- div_ops = &clk_divider_ops;
+ div_ops = (div_flags & CLK_DIVIDER_READ_ONLY)
+ ? &clk_divider_ro_ops
+ : &clk_divider_ops;
}

clk = clk_register_composite(NULL, name, parent_names, num_parents,
@@ -100,6 +102,11 @@ static struct clk *rockchip_clk_register_branch(const char *name,
flags);

return clk;
+err_div:
+ kfree(gate);
+err_gate:
+ kfree(mux);
+ return ERR_PTR(-ENOMEM);
}

static struct clk *rockchip_clk_register_frac_branch(const char *name,
diff --git a/drivers/clk/versatile/clk-sp810.c b/drivers/clk/versatile/clk-sp810.c
index b674ffc..72af18b 100644
--- a/drivers/clk/versatile/clk-sp810.c
+++ b/drivers/clk/versatile/clk-sp810.c
@@ -141,6 +141,7 @@ static void __init clk_sp810_of_setup(struct device_node *node)
const char *parent_names[2];
char name[12];
struct clk_init_data init;
+ static int instance;
int i;

if (!sp810) {
@@ -172,7 +173,7 @@ static void __init clk_sp810_of_setup(struct device_node *node)
init.num_parents = ARRAY_SIZE(parent_names);

for (i = 0; i < ARRAY_SIZE(sp810->timerclken); i++) {
- snprintf(name, ARRAY_SIZE(name), "timerclken%d", i);
+ snprintf(name, sizeof(name), "sp810_%d_%d", instance, i);

sp810->timerclken[i].sp810 = sp810;
sp810->timerclken[i].channel = i;
@@ -184,5 +185,6 @@ static void __init clk_sp810_of_setup(struct device_node *node)
}

of_clk_add_provider(node, clk_sp810_timerclken_of_get, sp810);
+ instance++;
}
CLK_OF_DECLARE(sp810, "arm,sp810", clk_sp810_of_setup);
diff --git a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
index ea7e844..0a4973b 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c
@@ -202,6 +202,39 @@ static int ccp_aes_cmac_digest(struct ahash_request *req)
return ccp_aes_cmac_finup(req);
}

+static int ccp_aes_cmac_export(struct ahash_request *req, void *out)
+{
+ struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req);
+ struct ccp_aes_cmac_exp_ctx state;
+
+ state.null_msg = rctx->null_msg;
+ memcpy(state.iv, rctx->iv, sizeof(state.iv));
+ state.buf_count = rctx->buf_count;
+ memcpy(state.buf, rctx->buf, sizeof(state.buf));
+
+ /* 'out' may not be aligned so memcpy from local variable */
+ memcpy(out, &state, sizeof(state));
+
+ return 0;
+}
+
+static int ccp_aes_cmac_import(struct ahash_request *req, const void *in)
+{
+ struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req);
+ struct ccp_aes_cmac_exp_ctx state;
+
+ /* 'in' may not be aligned so memcpy to local variable */
+ memcpy(&state, in, sizeof(state));
+
+ memset(rctx, 0, sizeof(*rctx));
+ rctx->null_msg = state.null_msg;
+ memcpy(rctx->iv, state.iv, sizeof(rctx->iv));
+ rctx->buf_count = state.buf_count;
+ memcpy(rctx->buf, state.buf, sizeof(rctx->buf));
+
+ return 0;
+}
+
static int ccp_aes_cmac_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int key_len)
{
@@ -334,10 +367,13 @@ int ccp_register_aes_cmac_algs(struct list_head *head)
alg->final = ccp_aes_cmac_final;
alg->finup = ccp_aes_cmac_finup;
alg->digest = ccp_aes_cmac_digest;
+ alg->export = ccp_aes_cmac_export;
+ alg->import = ccp_aes_cmac_import;
alg->setkey = ccp_aes_cmac_setkey;

halg = &alg->halg;
halg->digestsize = AES_BLOCK_SIZE;
+ halg->statesize = sizeof(struct ccp_aes_cmac_exp_ctx);

base = &halg->base;
snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "cmac(aes)");
diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c
index 507b34e..9711b6d 100644
--- a/drivers/crypto/ccp/ccp-crypto-sha.c
+++ b/drivers/crypto/ccp/ccp-crypto-sha.c
@@ -194,6 +194,43 @@ static int ccp_sha_digest(struct ahash_request *req)
return ccp_sha_finup(req);
}

+static int ccp_sha_export(struct ahash_request *req, void *out)
+{
+ struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
+ struct ccp_sha_exp_ctx state;
+
+ state.type = rctx->type;
+ state.msg_bits = rctx->msg_bits;
+ state.first = rctx->first;
+ memcpy(state.ctx, rctx->ctx, sizeof(state.ctx));
+ state.buf_count = rctx->buf_count;
+ memcpy(state.buf, rctx->buf, sizeof(state.buf));
+
+ /* 'out' may not be aligned so memcpy from local variable */
+ memcpy(out, &state, sizeof(state));
+
+ return 0;
+}
+
+static int ccp_sha_import(struct ahash_request *req, const void *in)
+{
+ struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
+ struct ccp_sha_exp_ctx state;
+
+ /* 'in' may not be aligned so memcpy to local variable */
+ memcpy(&state, in, sizeof(state));
+
+ memset(rctx, 0, sizeof(*rctx));
+ rctx->type = state.type;
+ rctx->msg_bits = state.msg_bits;
+ rctx->first = state.first;
+ memcpy(rctx->ctx, state.ctx, sizeof(rctx->ctx));
+ rctx->buf_count = state.buf_count;
+ memcpy(rctx->buf, state.buf, sizeof(rctx->buf));
+
+ return 0;
+}
+
static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int key_len)
{
@@ -390,9 +427,12 @@ static int ccp_register_sha_alg(struct list_head *head,
alg->final = ccp_sha_final;
alg->finup = ccp_sha_finup;
alg->digest = ccp_sha_digest;
+ alg->export = ccp_sha_export;
+ alg->import = ccp_sha_import;

halg = &alg->halg;
halg->digestsize = def->digest_size;
+ halg->statesize = sizeof(struct ccp_sha_exp_ctx);

base = &halg->base;
snprintf(base->cra_name, CRYPTO_MAX_ALG_NAME, "%s", def->name);
diff --git a/drivers/crypto/ccp/ccp-crypto.h b/drivers/crypto/ccp/ccp-crypto.h
index 76a96f0..a326ec2 100644
--- a/drivers/crypto/ccp/ccp-crypto.h
+++ b/drivers/crypto/ccp/ccp-crypto.h
@@ -129,6 +129,15 @@ struct ccp_aes_cmac_req_ctx {
struct ccp_cmd cmd;
};

+struct ccp_aes_cmac_exp_ctx {
+ unsigned int null_msg;
+
+ u8 iv[AES_BLOCK_SIZE];
+
+ unsigned int buf_count;
+ u8 buf[AES_BLOCK_SIZE];
+};
+
/***** SHA related defines *****/
#define MAX_SHA_CONTEXT_SIZE SHA256_DIGEST_SIZE
#define MAX_SHA_BLOCK_SIZE SHA256_BLOCK_SIZE
@@ -171,6 +180,19 @@ struct ccp_sha_req_ctx {
struct ccp_cmd cmd;
};

+struct ccp_sha_exp_ctx {
+ enum ccp_sha_type type;
+
+ u64 msg_bits;
+
+ unsigned int first;
+
+ u8 ctx[MAX_SHA_CONTEXT_SIZE];
+
+ unsigned int buf_count;
+ u8 buf[MAX_SHA_BLOCK_SIZE];
+};
+
/***** Common Context Structure *****/
struct ccp_ctx {
int (*complete)(struct crypto_async_request *req, int ret);
diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c
index c6d71ad..c426400 100644
--- a/drivers/crypto/marvell/cesa.c
+++ b/drivers/crypto/marvell/cesa.c
@@ -420,7 +420,7 @@ static int mv_cesa_probe(struct platform_device *pdev)
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
cesa->regs = devm_ioremap_resource(dev, res);
if (IS_ERR(cesa->regs))
- return -ENOMEM;
+ return PTR_ERR(cesa->regs);

ret = mv_cesa_dev_dma_init(cesa);
if (ret)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 73aea40..8fbae8c 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1437,7 +1437,7 @@ static u64 f1x_get_norm_dct_addr(struct amd64_pvt *pvt, u8 range,
u64 chan_off;
u64 dram_base = get_dram_base(pvt, range);
u64 hole_off = f10_dhar_offset(pvt);
- u64 dct_sel_base_off = (pvt->dct_sel_hi & 0xFFFFFC00) << 16;
+ u64 dct_sel_base_off = (u64)(pvt->dct_sel_hi & 0xFFFFFC00) << 16;

if (hi_rng) {
/*
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 91cf710..9c61607 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -1077,8 +1077,8 @@ static void get_memory_layout(const struct mem_ctl_info *mci)
edac_dbg(0, "TAD#%d: up to %u.%03u GB (0x%016Lx), socket interleave %d, memory interleave %d, TGT: %d, %d, %d, %d, reg=0x%08x\n",
n_tads, gb, (mb*1000)/1024,
((u64)tmp_mb) << 20L,
- (u32)TAD_SOCK(reg),
- (u32)TAD_CH(reg),
+ (u32)(1 << TAD_SOCK(reg)),
+ (u32)TAD_CH(reg) + 1,
(u32)TAD_TGT0(reg),
(u32)TAD_TGT1(reg),
(u32)TAD_TGT2(reg),
@@ -1356,7 +1356,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
}

ch_way = TAD_CH(reg) + 1;
- sck_way = TAD_SOCK(reg) + 1;
+ sck_way = 1 << TAD_SOCK(reg);

if (ch_way == 3)
idx = addr >> 6;
@@ -1413,7 +1413,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
n_tads,
addr,
limit,
- (u32)TAD_SOCK(reg),
+ sck_way,
ch_way,
offset,
idx,
@@ -1428,18 +1428,12 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
offset, addr);
return -EINVAL;
}
- addr -= offset;
- /* Store the low bits [0:6] of the addr */
- ch_addr = addr & 0x7f;
- /* Remove socket wayness and remove 6 bits */
- addr >>= 6;
- addr = div_u64(addr, sck_xch);
-#if 0
- /* Divide by channel way */
- addr = addr / ch_way;
-#endif
- /* Recover the last 6 bits */
- ch_addr |= addr << 6;
+
+ ch_addr = addr - offset;
+ ch_addr >>= (6 + shiftup);
+ ch_addr /= ch_way * sck_way;
+ ch_addr <<= (6 + shiftup);
+ ch_addr |= addr & ((1 << (6 + shiftup)) - 1);

/*
* Step 3) Decode rank
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index d6144e3..2eb2f57 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -176,6 +176,7 @@ static int generic_ops_register(void)
{
generic_ops.get_variable = efi.get_variable;
generic_ops.set_variable = efi.set_variable;
+ generic_ops.set_variable_nonblocking = efi.set_variable_nonblocking;
generic_ops.get_next_variable = efi.get_next_variable;
generic_ops.query_variable_store = efi_query_variable_store;

diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index 1e14a6c..3c75e81 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -200,6 +200,44 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on)
return 0;
}

+static void gpio_rcar_irq_bus_lock(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+ pm_runtime_get_sync(&p->pdev->dev);
+}
+
+static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+ pm_runtime_put(&p->pdev->dev);
+}
+
+
+static int gpio_rcar_irq_request_resources(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+ int error;
+
+ error = pm_runtime_get_sync(&p->pdev->dev);
+ if (error < 0)
+ return error;
+
+ return 0;
+}
+
+static void gpio_rcar_irq_release_resources(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct gpio_rcar_priv *p = gpiochip_get_data(gc);
+
+ pm_runtime_put(&p->pdev->dev);
+}
+
static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
{
struct gpio_rcar_priv *p = dev_id;
@@ -442,6 +480,10 @@ static int gpio_rcar_probe(struct platform_device *pdev)
irq_chip->irq_unmask = gpio_rcar_irq_enable;
irq_chip->irq_set_type = gpio_rcar_irq_set_type;
irq_chip->irq_set_wake = gpio_rcar_irq_set_wake;
+ irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock;
+ irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock;
+ irq_chip->irq_request_resources = gpio_rcar_irq_request_resources;
+ irq_chip->irq_release_resources = gpio_rcar_irq_release_resources;
irq_chip->flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND;

ret = gpiochip_add(gpio_chip);
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index bf4bd1d..27c5079d 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -219,7 +219,7 @@ static int gpiochip_add_to_list(struct gpio_chip *chip)
}

/**
- * gpiochip_add() - register a gpio_chip
+ * gpiochip_add_data() - register a gpio_chip
* @chip: the chip to register, with chip->base initialized
* Context: potentially before irqs will work
*
@@ -227,7 +227,7 @@ static int gpiochip_add_to_list(struct gpio_chip *chip)
* because the chip->base is invalid or already associated with a
* different chip. Otherwise it returns zero as a success code.
*
- * When gpiochip_add() is called very early during boot, so that GPIOs
+ * When gpiochip_add_data() is called very early during boot, so that GPIOs
* can be freely used, the chip->dev device must be registered before
* the gpio framework's arch_initcall(). Otherwise sysfs initialization
* for GPIOs will fail rudely.
@@ -235,7 +235,7 @@ static int gpiochip_add_to_list(struct gpio_chip *chip)
* If chip->base is negative, this requests dynamic assignment of
* a range of valid GPIOs.
*/
-int gpiochip_add(struct gpio_chip *chip)
+int gpiochip_add_data(struct gpio_chip *chip, void *data)
{
unsigned long flags;
int status = 0;
@@ -247,6 +247,13 @@ int gpiochip_add(struct gpio_chip *chip)
if (!descs)
return -ENOMEM;

+ chip->data = data;
+
+ if (chip->ngpio == 0) {
+ chip_err(chip, "tried to insert a GPIO chip with zero lines\n");
+ return -EINVAL;
+ }
+
spin_lock_irqsave(&gpio_lock, flags);

if (base < 0) {
@@ -317,7 +324,7 @@ err_free_descs:
chip->label ? : "generic");
return status;
}
-EXPORT_SYMBOL_GPL(gpiochip_add);
+EXPORT_SYMBOL_GPL(gpiochip_add_data);

/**
* gpiochip_remove() - unregister a gpio_chip
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index a988dfb..5f66eb1 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -32,8 +32,8 @@
#include "oss/oss_2_4_d.h"
#include "oss/oss_2_4_sh_mask.h"

-#include "gmc/gmc_8_1_d.h"
-#include "gmc/gmc_8_1_sh_mask.h"
+#include "gmc/gmc_7_1_d.h"
+#include "gmc/gmc_7_1_sh_mask.h"

#include "gca/gfx_8_0_d.h"
#include "gca/gfx_8_0_enum.h"
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
index c34c393..d5e19b5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
@@ -513,7 +513,7 @@ static int dbgdev_wave_control_set_registers(
union SQ_CMD_BITS *in_reg_sq_cmd,
union GRBM_GFX_INDEX_BITS *in_reg_gfx_index)
{
- int status;
+ int status = 0;
union SQ_CMD_BITS reg_sq_cmd;
union GRBM_GFX_INDEX_BITS reg_gfx_index;
struct HsaDbgWaveMsgAMDGen2 *pMsg;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 7063016..03b1fed 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13565,6 +13565,7 @@ intel_check_cursor_plane(struct drm_plane *plane,
const struct drm_rect *clip = &state->clip;
struct drm_i915_gem_object *obj = intel_fb_obj(fb);
struct intel_crtc *intel_crtc;
+ enum pipe pipe = to_intel_plane(plane)->pipe;
unsigned stride;
int ret;

@@ -13602,6 +13603,22 @@ intel_check_cursor_plane(struct drm_plane *plane,
ret = -EINVAL;
}

+ /*
+ * There's something wrong with the cursor on CHV pipe C.
+ * If it straddles the left edge of the screen then
+ * moving it away from the edge or disabling it often
+ * results in a pipe underrun, and often that can lead to
+ * dead pipe (constant underrun reported, and it scans
+ * out just a solid color). To recover from that, the
+ * display power well must be turned off and on again.
+ * Refuse the put the cursor into that compromised position.
+ */
+ if (IS_CHERRYVIEW(plane->dev) && pipe == PIPE_C &&
+ state->visible && state->base.crtc_x < 0) {
+ DRM_DEBUG_KMS("CHV cursor C not allowed to straddle the left screen edge\n");
+ ret = -EINVAL;
+ }
+
finish:
if (intel_crtc->active) {
if (plane->state->crtc_w != state->base.crtc_w)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index ba672aa..ce10f86 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1853,6 +1853,17 @@ i915_dispatch_execbuffer(struct intel_engine_cs *ring,
return 0;
}

+static void cleanup_phys_status_page(struct intel_engine_cs *ring)
+{
+ struct drm_i915_private *dev_priv = to_i915(ring->dev);
+
+ if (!dev_priv->status_page_dmah)
+ return;
+
+ drm_pci_free(ring->dev, dev_priv->status_page_dmah);
+ ring->status_page.page_addr = NULL;
+}
+
static void cleanup_status_page(struct intel_engine_cs *ring)
{
struct drm_i915_gem_object *obj;
@@ -1869,9 +1880,9 @@ static void cleanup_status_page(struct intel_engine_cs *ring)

static int init_status_page(struct intel_engine_cs *ring)
{
- struct drm_i915_gem_object *obj;
+ struct drm_i915_gem_object *obj = ring->status_page.obj;

- if ((obj = ring->status_page.obj) == NULL) {
+ if (obj == NULL) {
unsigned flags;
int ret;

@@ -2025,7 +2036,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
if (ret)
goto error;
} else {
- BUG_ON(ring->id != RCS);
+ WARN_ON(ring->id != RCS);
ret = init_phys_status_page(ring);
if (ret)
goto error;
@@ -2089,7 +2100,12 @@ void intel_cleanup_ring_buffer(struct intel_engine_cs *ring)
if (ring->cleanup)
ring->cleanup(ring);

- cleanup_status_page(ring);
+ if (I915_NEED_GFX_HWS(ring->dev)) {
+ cleanup_status_page(ring);
+ } else {
+ WARN_ON(ring->id != RCS);
+ cleanup_phys_status_page(ring);
+ }

i915_cmd_parser_fini_ring(ring);
i915_gem_batch_pool_fini(&ring->batch_pool);
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index bb29214..adf74f4 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -892,8 +892,6 @@ atombios_dig_encoder_setup2(struct drm_encoder *encoder, int action, int panel_m
else
args.v1.ucLaneNum = 4;

- if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
- args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
@@ -910,6 +908,10 @@ atombios_dig_encoder_setup2(struct drm_encoder *encoder, int action, int panel_m
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
else
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
+
+ if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
+ args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
+
break;
case 2:
case 3:
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index aeb6767..0aff289 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -334,7 +334,8 @@ out_unref:

void radeon_fb_output_poll_changed(struct radeon_device *rdev)
{
- drm_fb_helper_hotplug_event(&rdev->mode_info.rfbdev->helper);
+ if (rdev->mode_info.rfbdev)
+ drm_fb_helper_hotplug_event(&rdev->mode_info.rfbdev->helper);
}

static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev)
@@ -374,6 +375,10 @@ int radeon_fbdev_init(struct radeon_device *rdev)
int bpp_sel = 32;
int ret;

+ /* don't enable fbdev if no connectors */
+ if (list_empty(&rdev->ddev->mode_config.connector_list))
+ return 0;
+
/* select 8 bpp console on RN50 or 16MB cards */
if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
bpp_sel = 8;
@@ -426,11 +431,15 @@ void radeon_fbdev_fini(struct radeon_device *rdev)

void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state)
{
- fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state);
+ if (rdev->mode_info.rfbdev)
+ fb_set_suspend(rdev->mode_info.rfbdev->helper.fbdev, state);
}

bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
{
+ if (!rdev->mode_info.rfbdev)
+ return false;
+
if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj))
return true;
return false;
@@ -438,10 +447,12 @@ bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)

void radeon_fb_add_connector(struct radeon_device *rdev, struct drm_connector *connector)
{
- drm_fb_helper_add_one_connector(&rdev->mode_info.rfbdev->helper, connector);
+ if (rdev->mode_info.rfbdev)
+ drm_fb_helper_add_one_connector(&rdev->mode_info.rfbdev->helper, connector);
}

void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector *connector)
{
- drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector);
+ if (rdev->mode_info.rfbdev)
+ drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector);
}
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index e3edddd..330a5f9 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1870,6 +1870,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
@@ -2582,9 +2583,10 @@ int hid_add_device(struct hid_device *hdev)
/*
* Scan generic devices for group information
*/
- if (hid_ignore_special_drivers ||
- (!hdev->group &&
- !hid_match_id(hdev, hid_have_special_driver))) {
+ if (hid_ignore_special_drivers) {
+ hdev->group = HID_GROUP_GENERIC;
+ } else if (!hdev->group &&
+ !hid_match_id(hdev, hid_have_special_driver)) {
ret = hid_scan_report(hdev);
if (ret)
hid_warn(hdev, "bad device descriptor (%d)\n", ret);
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index f77469d..9a71d71 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -280,17 +280,21 @@ static int i2c_hid_set_or_send_report(struct i2c_client *client, u8 reportType,
u16 dataRegister = le16_to_cpu(ihid->hdesc.wDataRegister);
u16 outputRegister = le16_to_cpu(ihid->hdesc.wOutputRegister);
u16 maxOutputLength = le16_to_cpu(ihid->hdesc.wMaxOutputLength);
+ u16 size;
+ int args_len;
+ int index = 0;
+
+ i2c_hid_dbg(ihid, "%s\n", __func__);
+
+ if (data_len > ihid->bufsize)
+ return -EINVAL;

- /* hid_hw_* already checked that data_len < HID_MAX_BUFFER_SIZE */
- u16 size = 2 /* size */ +
+ size = 2 /* size */ +
(reportID ? 1 : 0) /* reportID */ +
data_len /* buf */;
- int args_len = (reportID >= 0x0F ? 1 : 0) /* optional third byte */ +
+ args_len = (reportID >= 0x0F ? 1 : 0) /* optional third byte */ +
2 /* dataRegister */ +
size /* args */;
- int index = 0;
-
- i2c_hid_dbg(ihid, "%s\n", __func__);

if (!use_data && maxOutputLength == 0)
return -ENOSYS;
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 85761b7..6c10899 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -876,7 +876,7 @@ isert_put_conn(struct isert_conn *isert_conn)
* @isert_conn: isert connection struct
*
* Notes:
- * In case the connection state is FULL_FEATURE, move state
+ * In case the connection state is BOUND, move state
* to TEMINATING and start teardown sequence (rdma_disconnect).
* In case the connection state is UP, complete flush as well.
*
@@ -892,6 +892,7 @@ isert_conn_terminate(struct isert_conn *isert_conn)
case ISER_CONN_TERMINATING:
break;
case ISER_CONN_UP:
+ case ISER_CONN_BOUND:
case ISER_CONN_FULL_FEATURE: /* FALLTHRU */
isert_info("Terminating conn %p state %d\n",
isert_conn, isert_conn->state);
@@ -939,14 +940,9 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id,
enum rdma_cm_event_type event)
{
struct isert_np *isert_np = cma_id->context;
- struct isert_conn *isert_conn;
+ struct isert_conn *isert_conn = cma_id->qp->qp_context;
bool terminating = false;

- if (isert_np->np_cm_id == cma_id)
- return isert_np_cma_handler(cma_id->context, event);
-
- isert_conn = cma_id->qp->qp_context;
-
mutex_lock(&isert_conn->mutex);
terminating = (isert_conn->state == ISER_CONN_TERMINATING);
isert_conn_terminate(isert_conn);
@@ -984,12 +980,16 @@ isert_connect_error(struct rdma_cm_id *cma_id)
static int
isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
{
+ struct isert_np *isert_np = cma_id->context;
int ret = 0;

isert_info("%s (%d): status %d id %p np %p\n",
rdma_event_msg(event->event), event->event,
event->status, cma_id, cma_id->context);

+ if (isert_np->np_cm_id == cma_id)
+ return isert_np_cma_handler(cma_id->context, event->event);
+
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST:
ret = isert_connect_request(cma_id, event);
@@ -2072,7 +2072,8 @@ is_isert_tx_desc(struct isert_conn *isert_conn, void *wr_id)
void *start = isert_conn->rx_descs;
int len = ISERT_QP_MAX_RECV_DTOS * sizeof(*isert_conn->rx_descs);

- if (wr_id >= start && wr_id < start + len)
+ if ((wr_id >= start && wr_id < start + len) ||
+ (wr_id == isert_conn->login_req_buf))
return false;

return true;
@@ -2098,7 +2099,8 @@ isert_cq_comp_err(struct isert_conn *isert_conn, struct ib_wc *wc)
isert_completion_put(desc, isert_cmd, ib_dev, true);
} else {
isert_conn->post_recv_buf_count--;
- if (!isert_conn->post_recv_buf_count)
+ if (!isert_conn->post_recv_buf_count &&
+ isert_conn->state >= ISER_CONN_BOUND)
iscsit_cause_connection_reinstatement(isert_conn->conn, 0);
}
}
@@ -3284,6 +3286,7 @@ accept_wait:

conn->context = isert_conn;
isert_conn->conn = conn;
+ isert_conn->state = ISER_CONN_BOUND;

isert_set_conn_info(np, conn, isert_conn);

diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 9ec23a78..621c222 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -50,6 +50,7 @@ enum iser_ib_op_code {
enum iser_conn_state {
ISER_CONN_INIT,
ISER_CONN_UP,
+ ISER_CONN_BOUND,
ISER_CONN_FULL_FEATURE,
ISER_CONN_TERMINATING,
ISER_CONN_DOWN,
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 60ff0a2..bf8d4e4 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1738,47 +1738,6 @@ send_sense:
return -1;
}

-/**
- * srpt_rx_mgmt_fn_tag() - Process a task management function by tag.
- * @ch: RDMA channel of the task management request.
- * @fn: Task management function to perform.
- * @req_tag: Tag of the SRP task management request.
- * @mgmt_ioctx: I/O context of the task management request.
- *
- * Returns zero if the target core will process the task management
- * request asynchronously.
- *
- * Note: It is assumed that the initiator serializes tag-based task management
- * requests.
- */
-static int srpt_rx_mgmt_fn_tag(struct srpt_send_ioctx *ioctx, u64 tag)
-{
- struct srpt_device *sdev;
- struct srpt_rdma_ch *ch;
- struct srpt_send_ioctx *target;
- int ret, i;
-
- ret = -EINVAL;
- ch = ioctx->ch;
- BUG_ON(!ch);
- BUG_ON(!ch->sport);
- sdev = ch->sport->sdev;
- BUG_ON(!sdev);
- spin_lock_irq(&sdev->spinlock);
- for (i = 0; i < ch->rq_size; ++i) {
- target = ch->ioctx_ring[i];
- if (target->cmd.se_lun == ioctx->cmd.se_lun &&
- target->cmd.tag == tag &&
- srpt_get_cmd_state(target) != SRPT_STATE_DONE) {
- ret = 0;
- /* now let the target core abort &target->cmd; */
- break;
- }
- }
- spin_unlock_irq(&sdev->spinlock);
- return ret;
-}
-
static int srp_tmr_to_tcm(int fn)
{
switch (fn) {
@@ -1813,7 +1772,6 @@ static void srpt_handle_tsk_mgmt(struct srpt_rdma_ch *ch,
struct se_cmd *cmd;
struct se_session *sess = ch->sess;
uint64_t unpacked_lun;
- uint32_t tag = 0;
int tcm_tmr;
int rc;

@@ -1829,25 +1787,10 @@ static void srpt_handle_tsk_mgmt(struct srpt_rdma_ch *ch,
srpt_set_cmd_state(send_ioctx, SRPT_STATE_MGMT);
send_ioctx->cmd.tag = srp_tsk->tag;
tcm_tmr = srp_tmr_to_tcm(srp_tsk->tsk_mgmt_func);
- if (tcm_tmr < 0) {
- send_ioctx->cmd.se_tmr_req->response =
- TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED;
- goto fail;
- }
unpacked_lun = srpt_unpack_lun((uint8_t *)&srp_tsk->lun,
sizeof(srp_tsk->lun));
-
- if (srp_tsk->tsk_mgmt_func == SRP_TSK_ABORT_TASK) {
- rc = srpt_rx_mgmt_fn_tag(send_ioctx, srp_tsk->task_tag);
- if (rc < 0) {
- send_ioctx->cmd.se_tmr_req->response =
- TMR_TASK_DOES_NOT_EXIST;
- goto fail;
- }
- tag = srp_tsk->task_tag;
- }
rc = target_submit_tmr(&send_ioctx->cmd, sess, NULL, unpacked_lun,
- srp_tsk, tcm_tmr, GFP_KERNEL, tag,
+ srp_tsk, tcm_tmr, GFP_KERNEL, srp_tsk->task_tag,
TARGET_SCF_ACK_KREF);
if (rc != 0) {
send_ioctx->cmd.se_tmr_req->response = TMR_FUNCTION_REJECTED;
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index cfd58e8..1c5914c 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -817,26 +817,49 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d

ar2->udev = udev;

+ /* Sanity check, first interface must have an endpoint */
+ if (alt->desc.bNumEndpoints < 1 || !alt->endpoint) {
+ dev_err(&interface->dev,
+ "%s(): interface 0 must have an endpoint\n", __func__);
+ r = -ENODEV;
+ goto fail1;
+ }
ar2->intf[0] = interface;
ar2->ep[0] = &alt->endpoint[0].desc;

+ /* Sanity check, the device must have two interfaces */
ar2->intf[1] = usb_ifnum_to_if(udev, 1);
+ if ((udev->actconfig->desc.bNumInterfaces < 2) || !ar2->intf[1]) {
+ dev_err(&interface->dev, "%s(): need 2 interfaces, found %d\n",
+ __func__, udev->actconfig->desc.bNumInterfaces);
+ r = -ENODEV;
+ goto fail1;
+ }
+
r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2);
if (r)
goto fail1;
+
+ /* Sanity check, second interface must have an endpoint */
alt = ar2->intf[1]->cur_altsetting;
+ if (alt->desc.bNumEndpoints < 1 || !alt->endpoint) {
+ dev_err(&interface->dev,
+ "%s(): interface 1 must have an endpoint\n", __func__);
+ r = -ENODEV;
+ goto fail2;
+ }
ar2->ep[1] = &alt->endpoint[0].desc;

r = ati_remote2_urb_init(ar2);
if (r)
- goto fail2;
+ goto fail3;

ar2->channel_mask = channel_mask;
ar2->mode_mask = mode_mask;

r = ati_remote2_setup(ar2, ar2->channel_mask);
if (r)
- goto fail2;
+ goto fail3;

usb_make_path(udev, ar2->phys, sizeof(ar2->phys));
strlcat(ar2->phys, "/input0", sizeof(ar2->phys));
@@ -845,11 +868,11 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d

r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group);
if (r)
- goto fail2;
+ goto fail3;

r = ati_remote2_input_init(ar2);
if (r)
- goto fail3;
+ goto fail4;

usb_set_intfdata(interface, ar2);

@@ -857,10 +880,11 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d

return 0;

- fail3:
+ fail4:
sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group);
- fail2:
+ fail3:
ati_remote2_urb_cleanup(ar2);
+ fail2:
usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
fail1:
kfree(ar2);
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index ac1fa5f..9c0ea36 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -1663,6 +1663,8 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc

pcu->ctrl_intf = usb_ifnum_to_if(pcu->udev,
union_desc->bMasterInterface0);
+ if (!pcu->ctrl_intf)
+ return -EINVAL;

alt = pcu->ctrl_intf->cur_altsetting;
pcu->ep_ctrl = &alt->endpoint[0].desc;
@@ -1670,6 +1672,8 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc

pcu->data_intf = usb_ifnum_to_if(pcu->udev,
union_desc->bSlaveInterface0);
+ if (!pcu->data_intf)
+ return -EINVAL;

alt = pcu->data_intf->cur_altsetting;
if (alt->desc.bNumEndpoints != 2) {
diff --git a/drivers/input/misc/powermate.c b/drivers/input/misc/powermate.c
index 63b539d..84909a1 100644
--- a/drivers/input/misc/powermate.c
+++ b/drivers/input/misc/powermate.c
@@ -307,6 +307,9 @@ static int powermate_probe(struct usb_interface *intf, const struct usb_device_i
int error = -ENOMEM;

interface = intf->cur_altsetting;
+ if (interface->desc.bNumEndpoints < 1)
+ return -EINVAL;
+
endpoint = &interface->endpoint[0].desc;
if (!usb_endpoint_is_int_in(endpoint))
return -EIO;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 6025eb4..a41d832 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -862,8 +862,9 @@ static void synaptics_report_ext_buttons(struct psmouse *psmouse,
if (!SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap))
return;

- /* Bug in FW 8.1, buttons are reported only when ExtBit is 1 */
- if (SYN_ID_FULL(priv->identity) == 0x801 &&
+ /* Bug in FW 8.1 & 8.2, buttons are reported only when ExtBit is 1 */
+ if ((SYN_ID_FULL(priv->identity) == 0x801 ||
+ SYN_ID_FULL(priv->identity) == 0x802) &&
!((psmouse->packet[0] ^ psmouse->packet[3]) & 0x02))
return;

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 90bd95b..eff6144 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1040,8 +1040,12 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c)
*/
atomic_set(&dc->count, 1);

- if (bch_cached_dev_writeback_start(dc))
+ /* Block writeback thread, but spawn it */
+ down_write(&dc->writeback_lock);
+ if (bch_cached_dev_writeback_start(dc)) {
+ up_write(&dc->writeback_lock);
return -ENOMEM;
+ }

if (BDEV_STATE(&dc->sb) == BDEV_STATE_DIRTY) {
bch_sectors_dirty_init(dc);
@@ -1053,6 +1057,9 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c)
bch_cached_dev_run(dc);
bcache_device_link(&dc->disk, c, "bdev");

+ /* Allow the writeback thread to proceed */
+ up_write(&dc->writeback_lock);
+
pr_info("Caching %s as %s on set %pU",
bdevname(dc->bdev, buf), dc->disk.disk->disk_name,
dc->disk.c->sb.set_uuid);
@@ -1391,6 +1398,9 @@ static void cache_set_flush(struct closure *cl)
struct btree *b;
unsigned i;

+ if (!c)
+ closure_return(cl);
+
bch_cache_accounting_destroy(&c->accounting);

kobject_put(&c->internal);
@@ -1856,11 +1866,12 @@ static int cache_alloc(struct cache_sb *sb, struct cache *ca)
return 0;
}

-static void register_cache(struct cache_sb *sb, struct page *sb_page,
+static int register_cache(struct cache_sb *sb, struct page *sb_page,
struct block_device *bdev, struct cache *ca)
{
char name[BDEVNAME_SIZE];
- const char *err = "cannot allocate memory";
+ const char *err = NULL;
+ int ret = 0;

memcpy(&ca->sb, sb, sizeof(struct cache_sb));
ca->bdev = bdev;
@@ -1875,27 +1886,35 @@ static void register_cache(struct cache_sb *sb, struct page *sb_page,
if (blk_queue_discard(bdev_get_queue(ca->bdev)))
ca->discard = CACHE_DISCARD(&ca->sb);

- if (cache_alloc(sb, ca) != 0)
+ ret = cache_alloc(sb, ca);
+ if (ret != 0)
goto err;

- err = "error creating kobject";
- if (kobject_add(&ca->kobj, &part_to_dev(bdev->bd_part)->kobj, "bcache"))
- goto err;
+ if (kobject_add(&ca->kobj, &part_to_dev(bdev->bd_part)->kobj, "bcache")) {
+ err = "error calling kobject_add";
+ ret = -ENOMEM;
+ goto out;
+ }

mutex_lock(&bch_register_lock);
err = register_cache_set(ca);
mutex_unlock(&bch_register_lock);

- if (err)
- goto err;
+ if (err) {
+ ret = -ENODEV;
+ goto out;
+ }

pr_info("registered cache device %s", bdevname(bdev, name));
+
out:
kobject_put(&ca->kobj);
- return;
+
err:
- pr_notice("error opening %s: %s", bdevname(bdev, name), err);
- goto out;
+ if (err)
+ pr_notice("error opening %s: %s", bdevname(bdev, name), err);
+
+ return ret;
}

/* Global interfaces/init */
@@ -1993,7 +2012,8 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
if (!ca)
goto err_close;

- register_cache(sb, sb_page, bdev, ca);
+ if (register_cache(sb, sb_page, bdev, ca) != 0)
+ goto err_close;
}
out:
if (sb_page)
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 0a17d1b..1ed4ab1 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -863,19 +863,40 @@ static int blocks_are_unmapped_or_clean(struct dm_cache_metadata *cmd,
return 0;
}

-#define WRITE_LOCK(cmd) \
- if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) \
+#define WRITE_LOCK(cmd) \
+ down_write(&cmd->root_lock); \
+ if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+ up_write(&cmd->root_lock); \
return -EINVAL; \
- down_write(&cmd->root_lock)
+ }

#define WRITE_LOCK_VOID(cmd) \
- if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) \
+ down_write(&cmd->root_lock); \
+ if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+ up_write(&cmd->root_lock); \
return; \
- down_write(&cmd->root_lock)
+ }

#define WRITE_UNLOCK(cmd) \
up_write(&cmd->root_lock)

+#define READ_LOCK(cmd) \
+ down_read(&cmd->root_lock); \
+ if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+ up_read(&cmd->root_lock); \
+ return -EINVAL; \
+ }
+
+#define READ_LOCK_VOID(cmd) \
+ down_read(&cmd->root_lock); \
+ if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
+ up_read(&cmd->root_lock); \
+ return; \
+ }
+
+#define READ_UNLOCK(cmd) \
+ up_read(&cmd->root_lock)
+
int dm_cache_resize(struct dm_cache_metadata *cmd, dm_cblock_t new_cache_size)
{
int r;
@@ -1011,22 +1032,20 @@ int dm_cache_load_discards(struct dm_cache_metadata *cmd,
{
int r;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = __load_discards(cmd, fn, context);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}

-dm_cblock_t dm_cache_size(struct dm_cache_metadata *cmd)
+int dm_cache_size(struct dm_cache_metadata *cmd, dm_cblock_t *result)
{
- dm_cblock_t r;
+ READ_LOCK(cmd);
+ *result = cmd->cache_blocks;
+ READ_UNLOCK(cmd);

- down_read(&cmd->root_lock);
- r = cmd->cache_blocks;
- up_read(&cmd->root_lock);
-
- return r;
+ return 0;
}

static int __remove(struct dm_cache_metadata *cmd, dm_cblock_t cblock)
@@ -1184,9 +1203,9 @@ int dm_cache_load_mappings(struct dm_cache_metadata *cmd,
{
int r;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = __load_mappings(cmd, policy, fn, context);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}
@@ -1211,18 +1230,18 @@ static int __dump_mappings(struct dm_cache_metadata *cmd)

void dm_cache_dump(struct dm_cache_metadata *cmd)
{
- down_read(&cmd->root_lock);
+ READ_LOCK_VOID(cmd);
__dump_mappings(cmd);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);
}

int dm_cache_changed_this_transaction(struct dm_cache_metadata *cmd)
{
int r;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = cmd->changed;
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}
@@ -1272,9 +1291,9 @@ int dm_cache_set_dirty(struct dm_cache_metadata *cmd,
void dm_cache_metadata_get_stats(struct dm_cache_metadata *cmd,
struct dm_cache_statistics *stats)
{
- down_read(&cmd->root_lock);
+ READ_LOCK_VOID(cmd);
*stats = cmd->stats;
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);
}

void dm_cache_metadata_set_stats(struct dm_cache_metadata *cmd,
@@ -1308,9 +1327,9 @@ int dm_cache_get_free_metadata_block_count(struct dm_cache_metadata *cmd,
{
int r = -EINVAL;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = dm_sm_get_nr_free(cmd->metadata_sm, result);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}
@@ -1320,9 +1339,9 @@ int dm_cache_get_metadata_dev_size(struct dm_cache_metadata *cmd,
{
int r = -EINVAL;

- down_read(&cmd->root_lock);
+ READ_LOCK(cmd);
r = dm_sm_get_nr_blocks(cmd->metadata_sm, result);
- up_read(&cmd->root_lock);
+ READ_UNLOCK(cmd);

return r;
}
@@ -1413,7 +1432,13 @@ int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *

int dm_cache_metadata_all_clean(struct dm_cache_metadata *cmd, bool *result)
{
- return blocks_are_unmapped_or_clean(cmd, 0, cmd->cache_blocks, result);
+ int r;
+
+ READ_LOCK(cmd);
+ r = blocks_are_unmapped_or_clean(cmd, 0, cmd->cache_blocks, result);
+ READ_UNLOCK(cmd);
+
+ return r;
}

void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd)
@@ -1436,10 +1461,7 @@ int dm_cache_metadata_set_needs_check(struct dm_cache_metadata *cmd)
struct dm_block *sblock;
struct cache_disk_superblock *disk_super;

- /*
- * We ignore fail_io for this function.
- */
- down_write(&cmd->root_lock);
+ WRITE_LOCK(cmd);
set_bit(NEEDS_CHECK, &cmd->flags);

r = superblock_lock(cmd, &sblock);
@@ -1454,19 +1476,17 @@ int dm_cache_metadata_set_needs_check(struct dm_cache_metadata *cmd)
dm_bm_unlock(sblock);

out:
- up_write(&cmd->root_lock);
+ WRITE_UNLOCK(cmd);
return r;
}

-bool dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd)
+int dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd, bool *result)
{
- bool needs_check;
+ READ_LOCK(cmd);
+ *result = !!test_bit(NEEDS_CHECK, &cmd->flags);
+ READ_UNLOCK(cmd);

- down_read(&cmd->root_lock);
- needs_check = !!test_bit(NEEDS_CHECK, &cmd->flags);
- up_read(&cmd->root_lock);
-
- return needs_check;
+ return 0;
}

int dm_cache_metadata_abort(struct dm_cache_metadata *cmd)
diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h
index 2ffee21..8528744 100644
--- a/drivers/md/dm-cache-metadata.h
+++ b/drivers/md/dm-cache-metadata.h
@@ -66,7 +66,7 @@ void dm_cache_metadata_close(struct dm_cache_metadata *cmd);
* origin blocks to map to.
*/
int dm_cache_resize(struct dm_cache_metadata *cmd, dm_cblock_t new_cache_size);
-dm_cblock_t dm_cache_size(struct dm_cache_metadata *cmd);
+int dm_cache_size(struct dm_cache_metadata *cmd, dm_cblock_t *result);

int dm_cache_discard_bitset_resize(struct dm_cache_metadata *cmd,
sector_t discard_block_size,
@@ -137,7 +137,7 @@ int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *
*/
int dm_cache_metadata_all_clean(struct dm_cache_metadata *cmd, bool *result);

-bool dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd);
+int dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd, bool *result);
int dm_cache_metadata_set_needs_check(struct dm_cache_metadata *cmd);
void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd);
void dm_cache_metadata_set_read_write(struct dm_cache_metadata *cmd);
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 9d0672b..6ad5ddf 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -988,9 +988,14 @@ static void notify_mode_switch(struct cache *cache, enum cache_metadata_mode mod

static void set_cache_mode(struct cache *cache, enum cache_metadata_mode new_mode)
{
- bool needs_check = dm_cache_metadata_needs_check(cache->cmd);
+ bool needs_check;
enum cache_metadata_mode old_mode = get_cache_mode(cache);

+ if (dm_cache_metadata_needs_check(cache->cmd, &needs_check)) {
+ DMERR("unable to read needs_check flag, setting failure mode");
+ new_mode = CM_FAIL;
+ }
+
if (new_mode == CM_WRITE && needs_check) {
DMERR("%s: unable to switch cache to write mode until repaired.",
cache_device_name(cache));
@@ -3517,6 +3522,7 @@ static void cache_status(struct dm_target *ti, status_type_t type,
char buf[BDEVNAME_SIZE];
struct cache *cache = ti->private;
dm_cblock_t residency;
+ bool needs_check;

switch (type) {
case STATUSTYPE_INFO:
@@ -3590,7 +3596,9 @@ static void cache_status(struct dm_target *ti, status_type_t type,
else
DMEMIT("rw ");

- if (dm_cache_metadata_needs_check(cache->cmd))
+ r = dm_cache_metadata_needs_check(cache->cmd, &needs_check);
+
+ if (r || needs_check)
DMEMIT("needs_check ");
else
DMEMIT("- ");
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 75e1297..305b296 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1099,6 +1099,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
int i;
int r = -EINVAL;
char *origin_path, *cow_path;
+ dev_t origin_dev, cow_dev;
unsigned args_used, num_flush_bios = 1;
fmode_t origin_mode = FMODE_READ;

@@ -1129,11 +1130,19 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
ti->error = "Cannot get origin device";
goto bad_origin;
}
+ origin_dev = s->origin->bdev->bd_dev;

cow_path = argv[0];
argv++;
argc--;

+ cow_dev = dm_get_dev_t(cow_path);
+ if (cow_dev && cow_dev == origin_dev) {
+ ti->error = "COW device cannot be the same as origin device";
+ r = -EINVAL;
+ goto bad_cow;
+ }
+
r = dm_get_device(ti, cow_path, dm_table_get_mode(ti->table), &s->cow);
if (r) {
ti->error = "Cannot get COW device";
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 16ba55a..e411ccb 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -365,6 +365,26 @@ static int upgrade_mode(struct dm_dev_internal *dd, fmode_t new_mode,
}

/*
+ * Convert the path to a device
+ */
+dev_t dm_get_dev_t(const char *path)
+{
+ dev_t uninitialized_var(dev);
+ struct block_device *bdev;
+
+ bdev = lookup_bdev(path);
+ if (IS_ERR(bdev))
+ dev = name_to_dev_t(path);
+ else {
+ dev = bdev->bd_dev;
+ bdput(bdev);
+ }
+
+ return dev;
+}
+EXPORT_SYMBOL_GPL(dm_get_dev_t);
+
+/*
* Add a device to the list, or just increment the usage count if
* it's already present.
*/
@@ -372,23 +392,15 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
struct dm_dev **result)
{
int r;
- dev_t uninitialized_var(dev);
+ dev_t dev;
struct dm_dev_internal *dd;
struct dm_table *t = ti->table;
- struct block_device *bdev;

BUG_ON(!t);

- /* convert the path to a device */
- bdev = lookup_bdev(path);
- if (IS_ERR(bdev)) {
- dev = name_to_dev_t(path);
- if (!dev)
- return -ENODEV;
- } else {
- dev = bdev->bd_dev;
- bdput(bdev);
- }
+ dev = dm_get_dev_t(path);
+ if (!dev)
+ return -ENODEV;

dd = find_device(&t->devices, dev);
if (!dd) {
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 4479e90..dbce0df 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1935,5 +1935,8 @@ bool dm_pool_metadata_needs_check(struct dm_pool_metadata *pmd)

void dm_pool_issue_prefetches(struct dm_pool_metadata *pmd)
{
- dm_tm_issue_prefetches(pmd->tm);
+ down_read(&pmd->root_lock);
+ if (!pmd->fail_io)
+ dm_tm_issue_prefetches(pmd->tm);
+ up_read(&pmd->root_lock);
}
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 3f82998..e066983 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1184,9 +1184,9 @@ static void dm_requeue_original_request(struct mapped_device *md,
{
int rw = rq_data_dir(rq);

+ rq_end_stats(md, rq);
dm_unprep_request(rq);

- rq_end_stats(md, rq);
if (!rq->q->mq_ops)
old_requeue_request(rq);
else {
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index ac3ede2..ac37ef1 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -129,7 +129,9 @@ static void multipath_make_request(struct mddev *mddev, struct bio * bio)
}
multipath = conf->multipaths + mp_bh->path;

- mp_bh->bio = *bio;
+ bio_init(&mp_bh->bio);
+ __bio_clone_fast(&mp_bh->bio, bio);
+
mp_bh->bio.bi_iter.bi_sector += multipath->rdev->data_offset;
mp_bh->bio.bi_bdev = multipath->rdev->bdev;
mp_bh->bio.bi_rw |= REQ_FAILFAST_TRANSPORT;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 0d4f7b1..f6be7c4 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -344,8 +344,7 @@ static void release_inactive_stripe_list(struct r5conf *conf,
int hash)
{
int size;
- unsigned long do_wakeup = 0;
- int i = 0;
+ bool do_wakeup = false;
unsigned long flags;

if (hash == NR_STRIPE_HASH_LOCKS) {
@@ -366,19 +365,15 @@ static void release_inactive_stripe_list(struct r5conf *conf,
!list_empty(list))
atomic_dec(&conf->empty_inactive_list_nr);
list_splice_tail_init(list, conf->inactive_list + hash);
- do_wakeup |= 1 << hash;
+ do_wakeup = true;
spin_unlock_irqrestore(conf->hash_locks + hash, flags);
}
size--;
hash--;
}

- for (i = 0; i < NR_STRIPE_HASH_LOCKS; i++) {
- if (do_wakeup & (1 << i))
- wake_up(&conf->wait_for_stripe[i]);
- }
-
if (do_wakeup) {
+ wake_up(&conf->wait_for_stripe);
if (atomic_read(&conf->active_stripes) == 0)
wake_up(&conf->wait_for_quiescent);
if (conf->retry_read_aligned)
@@ -691,15 +686,14 @@ get_active_stripe(struct r5conf *conf, sector_t sector,
if (!sh) {
set_bit(R5_INACTIVE_BLOCKED,
&conf->cache_state);
- wait_event_exclusive_cmd(
- conf->wait_for_stripe[hash],
+ wait_event_lock_irq(
+ conf->wait_for_stripe,
!list_empty(conf->inactive_list + hash) &&
(atomic_read(&conf->active_stripes)
< (conf->max_nr_stripes * 3 / 4)
|| !test_bit(R5_INACTIVE_BLOCKED,
&conf->cache_state)),
- spin_unlock_irq(conf->hash_locks + hash),
- spin_lock_irq(conf->hash_locks + hash));
+ *(conf->hash_locks + hash));
clear_bit(R5_INACTIVE_BLOCKED,
&conf->cache_state);
} else {
@@ -724,9 +718,6 @@ get_active_stripe(struct r5conf *conf, sector_t sector,
}
} while (sh == NULL);

- if (!list_empty(conf->inactive_list + hash))
- wake_up(&conf->wait_for_stripe[hash]);
-
spin_unlock_irq(conf->hash_locks + hash);
return sh;
}
@@ -2091,6 +2082,14 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
unsigned long cpu;
int err = 0;

+ /*
+ * Never shrink. And mddev_suspend() could deadlock if this is called
+ * from raid5d. In that case, scribble_disks and scribble_sectors
+ * should equal to new_disks and new_sectors
+ */
+ if (conf->scribble_disks >= new_disks &&
+ conf->scribble_sectors >= new_sectors)
+ return 0;
mddev_suspend(conf->mddev);
get_online_cpus();
for_each_present_cpu(cpu) {
@@ -2112,6 +2111,10 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
}
put_online_cpus();
mddev_resume(conf->mddev);
+ if (!err) {
+ conf->scribble_disks = new_disks;
+ conf->scribble_sectors = new_sectors;
+ }
return err;
}

@@ -2192,7 +2195,7 @@ static int resize_stripes(struct r5conf *conf, int newsize)
cnt = 0;
list_for_each_entry(nsh, &newstripes, lru) {
lock_device_hash_lock(conf, hash);
- wait_event_exclusive_cmd(conf->wait_for_stripe[hash],
+ wait_event_cmd(conf->wait_for_stripe,
!list_empty(conf->inactive_list + hash),
unlock_device_hash_lock(conf, hash),
lock_device_hash_lock(conf, hash));
@@ -4233,7 +4236,6 @@ static void break_stripe_batch_list(struct stripe_head *head_sh,
WARN_ON_ONCE(sh->state & ((1 << STRIPE_ACTIVE) |
(1 << STRIPE_SYNCING) |
(1 << STRIPE_REPLACED) |
- (1 << STRIPE_PREREAD_ACTIVE) |
(1 << STRIPE_DELAYED) |
(1 << STRIPE_BIT_DELAY) |
(1 << STRIPE_FULL_WRITE) |
@@ -4248,6 +4250,7 @@ static void break_stripe_batch_list(struct stripe_head *head_sh,
(1 << STRIPE_REPLACED)));

set_mask_bits(&sh->state, ~(STRIPE_EXPAND_SYNC_FLAGS |
+ (1 << STRIPE_PREREAD_ACTIVE) |
(1 << STRIPE_DEGRADED)),
head_sh->state & (1 << STRIPE_INSYNC));

@@ -6379,6 +6382,12 @@ static int raid5_alloc_percpu(struct r5conf *conf)
}
put_online_cpus();

+ if (!err) {
+ conf->scribble_disks = max(conf->raid_disks,
+ conf->previous_raid_disks);
+ conf->scribble_sectors = max(conf->chunk_sectors,
+ conf->prev_chunk_sectors);
+ }
return err;
}

@@ -6469,9 +6478,7 @@ static struct r5conf *setup_conf(struct mddev *mddev)
seqcount_init(&conf->gen_lock);
mutex_init(&conf->cache_size_mutex);
init_waitqueue_head(&conf->wait_for_quiescent);
- for (i = 0; i < NR_STRIPE_HASH_LOCKS; i++) {
- init_waitqueue_head(&conf->wait_for_stripe[i]);
- }
+ init_waitqueue_head(&conf->wait_for_stripe);
init_waitqueue_head(&conf->wait_for_overlap);
INIT_LIST_HEAD(&conf->handle_list);
INIT_LIST_HEAD(&conf->hold_list);
@@ -6958,8 +6965,8 @@ static int run(struct mddev *mddev)
}

if (discard_supported &&
- mddev->queue->limits.max_discard_sectors >= stripe &&
- mddev->queue->limits.discard_granularity >= stripe)
+ mddev->queue->limits.max_discard_sectors >= (stripe >> 9) &&
+ mddev->queue->limits.discard_granularity >= stripe)
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
mddev->queue);
else
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index d051442..a42a25d 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -501,6 +501,8 @@ struct r5conf {
* conversions
*/
} __percpu *percpu;
+ int scribble_disks;
+ int scribble_sectors;
#ifdef CONFIG_HOTPLUG_CPU
struct notifier_block cpu_notify;
#endif
@@ -513,7 +515,7 @@ struct r5conf {
atomic_t empty_inactive_list_nr;
struct llist_head released_stripes;
wait_queue_head_t wait_for_quiescent;
- wait_queue_head_t wait_for_stripe[NR_STRIPE_HASH_LOCKS];
+ wait_queue_head_t wait_for_stripe;
wait_queue_head_t wait_for_overlap;
unsigned long cache_state;
#define R5_INACTIVE_BLOCKED 1 /* release of inactive stripes blocked,
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c
index 95bcd40..e837099 100644
--- a/drivers/media/i2c/adv7511.c
+++ b/drivers/media/i2c/adv7511.c
@@ -1161,12 +1161,23 @@ static void adv7511_dbg_dump_edid(int lvl, int debug, struct v4l2_subdev *sd, in
}
}

+static void adv7511_notify_no_edid(struct v4l2_subdev *sd)
+{
+ struct adv7511_state *state = get_adv7511_state(sd);
+ struct adv7511_edid_detect ed;
+
+ /* We failed to read the EDID, so send an event for this. */
+ ed.present = false;
+ ed.segment = adv7511_rd(sd, 0xc4);
+ v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
+ v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x0);
+}
+
static void adv7511_edid_handler(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct adv7511_state *state = container_of(dwork, struct adv7511_state, edid_handler);
struct v4l2_subdev *sd = &state->sd;
- struct adv7511_edid_detect ed;

v4l2_dbg(1, debug, sd, "%s:\n", __func__);

@@ -1191,9 +1202,7 @@ static void adv7511_edid_handler(struct work_struct *work)
}

/* We failed to read the EDID, so send an event for this. */
- ed.present = false;
- ed.segment = adv7511_rd(sd, 0xc4);
- v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
+ adv7511_notify_no_edid(sd);
v4l2_dbg(1, debug, sd, "%s: no edid found\n", __func__);
}

@@ -1264,7 +1273,6 @@ static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd)
/* update read only ctrls */
v4l2_ctrl_s_ctrl(state->hotplug_ctrl, adv7511_have_hotplug(sd) ? 0x1 : 0x0);
v4l2_ctrl_s_ctrl(state->rx_sense_ctrl, adv7511_have_rx_sense(sd) ? 0x1 : 0x0);
- v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, state->edid.segments ? 0x1 : 0x0);

if ((status & MASK_ADV7511_HPD_DETECT) && ((status & MASK_ADV7511_MSEN_DETECT) || state->edid.segments)) {
v4l2_dbg(1, debug, sd, "%s: hotplug and (rx-sense or edid)\n", __func__);
@@ -1294,6 +1302,7 @@ static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd)
}
adv7511_s_power(sd, false);
memset(&state->edid, 0, sizeof(struct adv7511_state_edid));
+ adv7511_notify_no_edid(sd);
}
}

@@ -1370,6 +1379,7 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
}
/* one more segment read ok */
state->edid.segments = segment + 1;
+ v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x1);
if (((state->edid.data[0x7e] >> 1) + 1) > state->edid.segments) {
/* Request next EDID segment */
v4l2_dbg(1, debug, sd, "%s: request segment %d\n", __func__, state->edid.segments);
@@ -1389,7 +1399,6 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
ed.present = true;
ed.segment = 0;
state->edid_detect_counter++;
- v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, state->edid.segments ? 0x1 : 0x0);
v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed);
return ed.present;
}
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 3632958..06d586b 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -2334,6 +2334,19 @@ static int bttv_g_fmt_vid_overlay(struct file *file, void *priv,
return 0;
}

+static void bttv_get_width_mask_vid_cap(const struct bttv_format *fmt,
+ unsigned int *width_mask,
+ unsigned int *width_bias)
+{
+ if (fmt->flags & FORMAT_FLAGS_PLANAR) {
+ *width_mask = ~15; /* width must be a multiple of 16 pixels */
+ *width_bias = 8; /* nearest */
+ } else {
+ *width_mask = ~3; /* width must be a multiple of 4 pixels */
+ *width_bias = 2; /* nearest */
+ }
+}
+
static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
@@ -2343,6 +2356,7 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
enum v4l2_field field;
__s32 width, height;
__s32 height2;
+ unsigned int width_mask, width_bias;
int rc;

fmt = format_by_fourcc(f->fmt.pix.pixelformat);
@@ -2375,9 +2389,9 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
width = f->fmt.pix.width;
height = f->fmt.pix.height;

+ bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias);
rc = limit_scaled_size_lock(fh, &width, &height, field,
- /* width_mask: 4 pixels */ ~3,
- /* width_bias: nearest */ 2,
+ width_mask, width_bias,
/* adjust_size */ 1,
/* adjust_crop */ 0);
if (0 != rc)
@@ -2410,6 +2424,7 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
struct bttv_fh *fh = priv;
struct bttv *btv = fh->btv;
__s32 width, height;
+ unsigned int width_mask, width_bias;
enum v4l2_field field;

retval = bttv_switch_type(fh, f->type);
@@ -2424,9 +2439,10 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
height = f->fmt.pix.height;
field = f->fmt.pix.field;

+ fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias);
retval = limit_scaled_size_lock(fh, &width, &height, f->fmt.pix.field,
- /* width_mask: 4 pixels */ ~3,
- /* width_bias: nearest */ 2,
+ width_mask, width_bias,
/* adjust_size */ 1,
/* adjust_crop */ 1);
if (0 != retval)
@@ -2434,8 +2450,6 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,

f->fmt.pix.field = field;

- fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-
/* update our state informations */
fh->fmt = fmt;
fh->cap.field = f->fmt.pix.field;
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 035039c..a8185d4 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -1214,10 +1214,13 @@ static int saa7134_g_fmt_vid_cap(struct file *file, void *priv,
f->fmt.pix.height = dev->height;
f->fmt.pix.field = dev->field;
f->fmt.pix.pixelformat = dev->fmt->fourcc;
- f->fmt.pix.bytesperline =
- (f->fmt.pix.width * dev->fmt->depth) >> 3;
+ if (dev->fmt->planar)
+ f->fmt.pix.bytesperline = f->fmt.pix.width;
+ else
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * dev->fmt->depth) / 8;
f->fmt.pix.sizeimage =
- f->fmt.pix.height * f->fmt.pix.bytesperline;
+ (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
return 0;
}
@@ -1293,10 +1296,13 @@ static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
if (f->fmt.pix.height > maxh)
f->fmt.pix.height = maxh;
f->fmt.pix.width &= ~0x03;
- f->fmt.pix.bytesperline =
- (f->fmt.pix.width * fmt->depth) >> 3;
+ if (fmt->planar)
+ f->fmt.pix.bytesperline = f->fmt.pix.width;
+ else
+ f->fmt.pix.bytesperline =
+ (f->fmt.pix.width * fmt->depth) / 8;
f->fmt.pix.sizeimage =
- f->fmt.pix.height * f->fmt.pix.bytesperline;
+ (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;

return 0;
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 58f6548..ee4306d 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -2095,14 +2095,12 @@ static int coda_probe(struct platform_device *pdev)

pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);

- if (of_id) {
+ if (of_id)
dev->devtype = of_id->data;
- } else if (pdev_id) {
+ else if (pdev_id)
dev->devtype = &coda_devdata[pdev_id->driver_data];
- } else {
- ret = -EINVAL;
- goto err_v4l2_register;
- }
+ else
+ return -EINVAL;

spin_lock_init(&dev->irqlock);
INIT_LIST_HEAD(&dev->instances);
diff --git a/drivers/media/platform/vsp1/vsp1_sru.c b/drivers/media/platform/vsp1/vsp1_sru.c
index 6310aca..d41ae95 100644
--- a/drivers/media/platform/vsp1/vsp1_sru.c
+++ b/drivers/media/platform/vsp1/vsp1_sru.c
@@ -154,6 +154,7 @@ static int sru_s_stream(struct v4l2_subdev *subdev, int enable)
mutex_lock(sru->ctrls.lock);
ctrl0 |= vsp1_sru_read(sru, VI6_SRU_CTRL0)
& (VI6_SRU_CTRL0_PARAM0_MASK | VI6_SRU_CTRL0_PARAM1_MASK);
+ vsp1_sru_write(sru, VI6_SRU_CTRL0, ctrl0);
mutex_unlock(sru->ctrls.lock);

vsp1_sru_write(sru, VI6_SRU_CTRL1, VI6_SRU_CTRL1_PARAM5);
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index 702267e..a7e1f6f 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -91,6 +91,7 @@ static const struct usb_device_id pwc_device_table [] = {
{ USB_DEVICE(0x0471, 0x0312) },
{ USB_DEVICE(0x0471, 0x0313) }, /* the 'new' 720K */
{ USB_DEVICE(0x0471, 0x0329) }, /* Philips SPC 900NC PC Camera */
+ { USB_DEVICE(0x0471, 0x032C) }, /* Philips SPC 880NC PC Camera */
{ USB_DEVICE(0x069A, 0x0001) }, /* Askey */
{ USB_DEVICE(0x046D, 0x08B0) }, /* Logitech QuickCam Pro 3000 */
{ USB_DEVICE(0x046D, 0x08B1) }, /* Logitech QuickCam Notebook Pro */
@@ -802,6 +803,11 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
name = "Philips SPC 900NC webcam";
type_id = 740;
break;
+ case 0x032C:
+ PWC_INFO("Philips SPC 880NC USB webcam detected.\n");
+ name = "Philips SPC 880NC webcam";
+ type_id = 740;
+ break;
default:
return -ENODEV;
break;
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 788b31c..73138a3 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -394,7 +394,8 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
get_user(kp->index, &up->index) ||
get_user(kp->type, &up->type) ||
get_user(kp->flags, &up->flags) ||
- get_user(kp->memory, &up->memory))
+ get_user(kp->memory, &up->memory) ||
+ get_user(kp->length, &up->length))
return -EFAULT;

if (V4L2_TYPE_IS_OUTPUT(kp->type))
@@ -406,9 +407,6 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
return -EFAULT;

if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
- if (get_user(kp->length, &up->length))
- return -EFAULT;
-
num_planes = kp->length;
if (num_planes == 0) {
kp->m.planes = NULL;
@@ -441,16 +439,14 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
} else {
switch (kp->memory) {
case V4L2_MEMORY_MMAP:
- if (get_user(kp->length, &up->length) ||
- get_user(kp->m.offset, &up->m.offset))
+ if (get_user(kp->m.offset, &up->m.offset))
return -EFAULT;
break;
case V4L2_MEMORY_USERPTR:
{
compat_long_t tmp;

- if (get_user(kp->length, &up->length) ||
- get_user(tmp, &up->m.userptr))
+ if (get_user(tmp, &up->m.userptr))
return -EFAULT;

kp->m.userptr = (unsigned long)compat_ptr(tmp);
@@ -492,7 +488,8 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) ||
put_user(kp->sequence, &up->sequence) ||
put_user(kp->reserved2, &up->reserved2) ||
- put_user(kp->reserved, &up->reserved))
+ put_user(kp->reserved, &up->reserved) ||
+ put_user(kp->length, &up->length))
return -EFAULT;

if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
@@ -515,13 +512,11 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
} else {
switch (kp->memory) {
case V4L2_MEMORY_MMAP:
- if (put_user(kp->length, &up->length) ||
- put_user(kp->m.offset, &up->m.offset))
+ if (put_user(kp->m.offset, &up->m.offset))
return -EFAULT;
break;
case V4L2_MEMORY_USERPTR:
- if (put_user(kp->length, &up->length) ||
- put_user(kp->m.userptr, &up->m.userptr))
+ if (put_user(kp->m.userptr, &up->m.userptr))
return -EFAULT;
break;
case V4L2_MEMORY_OVERLAY:
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 42c3852..719e375 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -429,7 +429,7 @@ config ARM_CHARLCD
still useful.

config BMP085
- bool
+ tristate
depends on SYSFS

config BMP085_I2C
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index 15e8807..f1a0b99 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -216,7 +216,7 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
*/
value = swab16(value);

- if (dpot->uid == DPOT_UID(AD5271_ID))
+ if (dpot->uid == DPOT_UID(AD5274_ID))
value = value >> 2;
return value;
default:
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 458aa5a..cc867e8 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -32,22 +32,22 @@

static int mei_cl_device_match(struct device *dev, struct device_driver *drv)
{
- struct mei_cl_device *device = to_mei_cl_device(dev);
- struct mei_cl_driver *driver = to_mei_cl_driver(drv);
+ struct mei_cl_device *cldev = to_mei_cl_device(dev);
+ struct mei_cl_driver *cldrv = to_mei_cl_driver(drv);
const struct mei_cl_device_id *id;
const uuid_le *uuid;
const char *name;

- if (!device)
+ if (!cldev)
return 0;

- uuid = mei_me_cl_uuid(device->me_cl);
- name = device->name;
+ uuid = mei_me_cl_uuid(cldev->me_cl);
+ name = cldev->name;

- if (!driver || !driver->id_table)
+ if (!cldrv || !cldrv->id_table)
return 0;

- id = driver->id_table;
+ id = cldrv->id_table;

while (uuid_le_cmp(NULL_UUID_LE, id->uuid)) {

@@ -68,54 +68,54 @@ static int mei_cl_device_match(struct device *dev, struct device_driver *drv)

static int mei_cl_device_probe(struct device *dev)
{
- struct mei_cl_device *device = to_mei_cl_device(dev);
- struct mei_cl_driver *driver;
+ struct mei_cl_device *cldev = to_mei_cl_device(dev);
+ struct mei_cl_driver *cldrv;
struct mei_cl_device_id id;

- if (!device)
+ if (!cldev)
return 0;

- driver = to_mei_cl_driver(dev->driver);
- if (!driver || !driver->probe)
+ cldrv = to_mei_cl_driver(dev->driver);
+ if (!cldrv || !cldrv->probe)
return -ENODEV;

dev_dbg(dev, "Device probe\n");

- strlcpy(id.name, device->name, sizeof(id.name));
+ strlcpy(id.name, cldev->name, sizeof(id.name));

- return driver->probe(device, &id);
+ return cldrv->probe(cldev, &id);
}

static int mei_cl_device_remove(struct device *dev)
{
- struct mei_cl_device *device = to_mei_cl_device(dev);
- struct mei_cl_driver *driver;
+ struct mei_cl_device *cldev = to_mei_cl_device(dev);
+ struct mei_cl_driver *cldrv;

- if (!device || !dev->driver)
+ if (!cldev || !dev->driver)
return 0;

- if (device->event_cb) {
- device->event_cb = NULL;
- cancel_work_sync(&device->event_work);
+ if (cldev->event_cb) {
+ cldev->event_cb = NULL;
+ cancel_work_sync(&cldev->event_work);
}

- driver = to_mei_cl_driver(dev->driver);
- if (!driver->remove) {
+ cldrv = to_mei_cl_driver(dev->driver);
+ if (!cldrv->remove) {
dev->driver = NULL;

return 0;
}

- return driver->remove(device);
+ return cldrv->remove(cldev);
}

static ssize_t name_show(struct device *dev, struct device_attribute *a,
char *buf)
{
- struct mei_cl_device *device = to_mei_cl_device(dev);
+ struct mei_cl_device *cldev = to_mei_cl_device(dev);
size_t len;

- len = snprintf(buf, PAGE_SIZE, "%s", device->name);
+ len = snprintf(buf, PAGE_SIZE, "%s", cldev->name);

return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
}
@@ -124,8 +124,8 @@ static DEVICE_ATTR_RO(name);
static ssize_t uuid_show(struct device *dev, struct device_attribute *a,
char *buf)
{
- struct mei_cl_device *device = to_mei_cl_device(dev);
- const uuid_le *uuid = mei_me_cl_uuid(device->me_cl);
+ struct mei_cl_device *cldev = to_mei_cl_device(dev);
+ const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);
size_t len;

len = snprintf(buf, PAGE_SIZE, "%pUl", uuid);
@@ -137,12 +137,12 @@ static DEVICE_ATTR_RO(uuid);
static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
char *buf)
{
- struct mei_cl_device *device = to_mei_cl_device(dev);
- const uuid_le *uuid = mei_me_cl_uuid(device->me_cl);
+ struct mei_cl_device *cldev = to_mei_cl_device(dev);
+ const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);
size_t len;

len = snprintf(buf, PAGE_SIZE, "mei:%s:" MEI_CL_UUID_FMT ":",
- device->name, MEI_CL_UUID_ARGS(uuid->b));
+ cldev->name, MEI_CL_UUID_ARGS(uuid->b));

return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
}
@@ -158,17 +158,17 @@ ATTRIBUTE_GROUPS(mei_cl_dev);

static int mei_cl_uevent(struct device *dev, struct kobj_uevent_env *env)
{
- struct mei_cl_device *device = to_mei_cl_device(dev);
- const uuid_le *uuid = mei_me_cl_uuid(device->me_cl);
+ struct mei_cl_device *cldev = to_mei_cl_device(dev);
+ const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);

if (add_uevent_var(env, "MEI_CL_UUID=%pUl", uuid))
return -ENOMEM;

- if (add_uevent_var(env, "MEI_CL_NAME=%s", device->name))
+ if (add_uevent_var(env, "MEI_CL_NAME=%s", cldev->name))
return -ENOMEM;

if (add_uevent_var(env, "MODALIAS=mei:%s:" MEI_CL_UUID_FMT ":",
- device->name, MEI_CL_UUID_ARGS(uuid->b)))
+ cldev->name, MEI_CL_UUID_ARGS(uuid->b)))
return -ENOMEM;

return 0;
@@ -185,121 +185,126 @@ static struct bus_type mei_cl_bus_type = {

static void mei_cl_dev_release(struct device *dev)
{
- struct mei_cl_device *device = to_mei_cl_device(dev);
+ struct mei_cl_device *cldev = to_mei_cl_device(dev);

- if (!device)
+ if (!cldev)
return;

- mei_me_cl_put(device->me_cl);
- kfree(device);
+ mei_me_cl_put(cldev->me_cl);
+ kfree(cldev);
}

static struct device_type mei_cl_device_type = {
.release = mei_cl_dev_release,
};

-struct mei_cl *mei_cl_bus_find_cl_by_uuid(struct mei_device *dev,
+struct mei_cl *mei_cl_bus_find_cl_by_uuid(struct mei_device *bus,
uuid_le uuid)
{
struct mei_cl *cl;

- list_for_each_entry(cl, &dev->device_list, device_link) {
- if (cl->device && cl->device->me_cl &&
- !uuid_le_cmp(uuid, *mei_me_cl_uuid(cl->device->me_cl)))
+ list_for_each_entry(cl, &bus->device_list, device_link) {
+ if (cl->cldev && cl->cldev->me_cl &&
+ !uuid_le_cmp(uuid, *mei_me_cl_uuid(cl->cldev->me_cl)))
return cl;
}

return NULL;
}

-struct mei_cl_device *mei_cl_add_device(struct mei_device *dev,
+struct mei_cl_device *mei_cl_add_device(struct mei_device *bus,
struct mei_me_client *me_cl,
struct mei_cl *cl,
char *name)
{
- struct mei_cl_device *device;
+ struct mei_cl_device *cldev;
int status;

- device = kzalloc(sizeof(struct mei_cl_device), GFP_KERNEL);
- if (!device)
+ cldev = kzalloc(sizeof(struct mei_cl_device), GFP_KERNEL);
+ if (!cldev)
return NULL;

- device->me_cl = mei_me_cl_get(me_cl);
- if (!device->me_cl) {
- kfree(device);
+ cldev->me_cl = mei_me_cl_get(me_cl);
+ if (!cldev->me_cl) {
+ kfree(cldev);
return NULL;
}

- device->cl = cl;
- device->dev.parent = dev->dev;
- device->dev.bus = &mei_cl_bus_type;
- device->dev.type = &mei_cl_device_type;
+ cldev->cl = cl;
+ cldev->dev.parent = bus->dev;
+ cldev->dev.bus = &mei_cl_bus_type;
+ cldev->dev.type = &mei_cl_device_type;

- strlcpy(device->name, name, sizeof(device->name));
+ strlcpy(cldev->name, name, sizeof(cldev->name));

- dev_set_name(&device->dev, "mei:%s:%pUl", name, mei_me_cl_uuid(me_cl));
+ dev_set_name(&cldev->dev, "mei:%s:%pUl", name, mei_me_cl_uuid(me_cl));

- status = device_register(&device->dev);
+ status = device_register(&cldev->dev);
if (status) {
- dev_err(dev->dev, "Failed to register MEI device\n");
- mei_me_cl_put(device->me_cl);
- kfree(device);
+ dev_err(bus->dev, "Failed to register MEI device\n");
+ mei_me_cl_put(cldev->me_cl);
+ kfree(cldev);
return NULL;
}

- cl->device = device;
+ cl->cldev = cldev;

- dev_dbg(&device->dev, "client %s registered\n", name);
+ dev_dbg(&cldev->dev, "client %s registered\n", name);

- return device;
+ return cldev;
}
EXPORT_SYMBOL_GPL(mei_cl_add_device);

-void mei_cl_remove_device(struct mei_cl_device *device)
+void mei_cl_remove_device(struct mei_cl_device *cldev)
{
- device_unregister(&device->dev);
+ device_unregister(&cldev->dev);
}
EXPORT_SYMBOL_GPL(mei_cl_remove_device);

-int __mei_cl_driver_register(struct mei_cl_driver *driver, struct module *owner)
+int __mei_cl_driver_register(struct mei_cl_driver *cldrv, struct module *owner)
{
int err;

- driver->driver.name = driver->name;
- driver->driver.owner = owner;
- driver->driver.bus = &mei_cl_bus_type;
+ cldrv->driver.name = cldrv->name;
+ cldrv->driver.owner = owner;
+ cldrv->driver.bus = &mei_cl_bus_type;

- err = driver_register(&driver->driver);
+ err = driver_register(&cldrv->driver);
if (err)
return err;

- pr_debug("mei: driver [%s] registered\n", driver->driver.name);
+ pr_debug("mei: driver [%s] registered\n", cldrv->driver.name);

return 0;
}
EXPORT_SYMBOL_GPL(__mei_cl_driver_register);

-void mei_cl_driver_unregister(struct mei_cl_driver *driver)
+void mei_cl_driver_unregister(struct mei_cl_driver *cldrv)
{
- driver_unregister(&driver->driver);
+ driver_unregister(&cldrv->driver);

- pr_debug("mei: driver [%s] unregistered\n", driver->driver.name);
+ pr_debug("mei: driver [%s] unregistered\n", cldrv->driver.name);
}
EXPORT_SYMBOL_GPL(mei_cl_driver_unregister);

ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
bool blocking)
{
- struct mei_device *dev;
+ struct mei_device *bus;
struct mei_cl_cb *cb = NULL;
ssize_t rets;

if (WARN_ON(!cl || !cl->dev))
return -ENODEV;

- dev = cl->dev;
+ bus = cl->dev;
+
+ mutex_lock(&bus->device_lock);
+ if (bus->dev_state != MEI_DEV_ENABLED) {
+ rets = -ENODEV;
+ goto out;
+ }

- mutex_lock(&dev->device_lock);
if (!mei_cl_is_connected(cl)) {
rets = -ENODEV;
goto out;
@@ -327,7 +332,7 @@ ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
rets = mei_cl_write(cl, cb, blocking);

out:
- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);
if (rets < 0)
mei_io_cb_free(cb);

@@ -336,7 +341,7 @@ out:

ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
{
- struct mei_device *dev;
+ struct mei_device *bus;
struct mei_cl_cb *cb;
size_t r_length;
ssize_t rets;
@@ -344,9 +349,13 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
if (WARN_ON(!cl || !cl->dev))
return -ENODEV;

- dev = cl->dev;
+ bus = cl->dev;

- mutex_lock(&dev->device_lock);
+ mutex_lock(&bus->device_lock);
+ if (bus->dev_state != MEI_DEV_ENABLED) {
+ rets = -ENODEV;
+ goto out;
+ }

cb = mei_cl_read_cb(cl, NULL);
if (cb)
@@ -358,7 +367,7 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)

if (list_empty(&cl->rd_completed) && !waitqueue_active(&cl->rx_wait)) {

- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);

if (wait_event_interruptible(cl->rx_wait,
(!list_empty(&cl->rd_completed)) ||
@@ -369,7 +378,7 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
return -ERESTARTSYS;
}

- mutex_lock(&dev->device_lock);
+ mutex_lock(&bus->device_lock);

if (!mei_cl_is_connected(cl)) {
rets = -EBUSY;
@@ -396,14 +405,14 @@ copy:
free:
mei_io_cb_free(cb);
out:
- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);

return rets;
}

-ssize_t mei_cl_send(struct mei_cl_device *device, u8 *buf, size_t length)
+ssize_t mei_cl_send(struct mei_cl_device *cldev, u8 *buf, size_t length)
{
- struct mei_cl *cl = device->cl;
+ struct mei_cl *cl = cldev->cl;

if (cl == NULL)
return -ENODEV;
@@ -412,9 +421,9 @@ ssize_t mei_cl_send(struct mei_cl_device *device, u8 *buf, size_t length)
}
EXPORT_SYMBOL_GPL(mei_cl_send);

-ssize_t mei_cl_recv(struct mei_cl_device *device, u8 *buf, size_t length)
+ssize_t mei_cl_recv(struct mei_cl_device *cldev, u8 *buf, size_t length)
{
- struct mei_cl *cl = device->cl;
+ struct mei_cl *cl = cldev->cl;

if (cl == NULL)
return -ENODEV;
@@ -425,108 +434,108 @@ EXPORT_SYMBOL_GPL(mei_cl_recv);

static void mei_bus_event_work(struct work_struct *work)
{
- struct mei_cl_device *device;
+ struct mei_cl_device *cldev;

- device = container_of(work, struct mei_cl_device, event_work);
+ cldev = container_of(work, struct mei_cl_device, event_work);

- if (device->event_cb)
- device->event_cb(device, device->events, device->event_context);
+ if (cldev->event_cb)
+ cldev->event_cb(cldev, cldev->events, cldev->event_context);

- device->events = 0;
+ cldev->events = 0;

/* Prepare for the next read */
- mei_cl_read_start(device->cl, 0, NULL);
+ mei_cl_read_start(cldev->cl, 0, NULL);
}

-int mei_cl_register_event_cb(struct mei_cl_device *device,
+int mei_cl_register_event_cb(struct mei_cl_device *cldev,
mei_cl_event_cb_t event_cb, void *context)
{
- if (device->event_cb)
+ if (cldev->event_cb)
return -EALREADY;

- device->events = 0;
- device->event_cb = event_cb;
- device->event_context = context;
- INIT_WORK(&device->event_work, mei_bus_event_work);
+ cldev->events = 0;
+ cldev->event_cb = event_cb;
+ cldev->event_context = context;
+ INIT_WORK(&cldev->event_work, mei_bus_event_work);

- mei_cl_read_start(device->cl, 0, NULL);
+ mei_cl_read_start(cldev->cl, 0, NULL);

return 0;
}
EXPORT_SYMBOL_GPL(mei_cl_register_event_cb);

-void *mei_cl_get_drvdata(const struct mei_cl_device *device)
+void *mei_cl_get_drvdata(const struct mei_cl_device *cldev)
{
- return dev_get_drvdata(&device->dev);
+ return dev_get_drvdata(&cldev->dev);
}
EXPORT_SYMBOL_GPL(mei_cl_get_drvdata);

-void mei_cl_set_drvdata(struct mei_cl_device *device, void *data)
+void mei_cl_set_drvdata(struct mei_cl_device *cldev, void *data)
{
- dev_set_drvdata(&device->dev, data);
+ dev_set_drvdata(&cldev->dev, data);
}
EXPORT_SYMBOL_GPL(mei_cl_set_drvdata);

-int mei_cl_enable_device(struct mei_cl_device *device)
+int mei_cl_enable_device(struct mei_cl_device *cldev)
{
int err;
- struct mei_device *dev;
- struct mei_cl *cl = device->cl;
+ struct mei_device *bus;
+ struct mei_cl *cl = cldev->cl;

if (cl == NULL)
return -ENODEV;

- dev = cl->dev;
+ bus = cl->dev;

- mutex_lock(&dev->device_lock);
+ mutex_lock(&bus->device_lock);

if (mei_cl_is_connected(cl)) {
- mutex_unlock(&dev->device_lock);
- dev_warn(dev->dev, "Already connected");
+ mutex_unlock(&bus->device_lock);
+ dev_warn(bus->dev, "Already connected");
return -EBUSY;
}

- err = mei_cl_connect(cl, device->me_cl, NULL);
+ err = mei_cl_connect(cl, cldev->me_cl, NULL);
if (err < 0) {
- mutex_unlock(&dev->device_lock);
- dev_err(dev->dev, "Could not connect to the ME client");
+ mutex_unlock(&bus->device_lock);
+ dev_err(bus->dev, "Could not connect to the ME client");

return err;
}

- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);

- if (device->event_cb)
- mei_cl_read_start(device->cl, 0, NULL);
+ if (cldev->event_cb)
+ mei_cl_read_start(cldev->cl, 0, NULL);

return 0;
}
EXPORT_SYMBOL_GPL(mei_cl_enable_device);

-int mei_cl_disable_device(struct mei_cl_device *device)
+int mei_cl_disable_device(struct mei_cl_device *cldev)
{
int err;
- struct mei_device *dev;
- struct mei_cl *cl = device->cl;
+ struct mei_device *bus;
+ struct mei_cl *cl = cldev->cl;

if (cl == NULL)
return -ENODEV;

- dev = cl->dev;
+ bus = cl->dev;

- device->event_cb = NULL;
+ cldev->event_cb = NULL;

- mutex_lock(&dev->device_lock);
+ mutex_lock(&bus->device_lock);

if (!mei_cl_is_connected(cl)) {
- dev_err(dev->dev, "Already disconnected");
+ dev_err(bus->dev, "Already disconnected");
err = 0;
goto out;
}

err = mei_cl_disconnect(cl);
if (err < 0) {
- dev_err(dev->dev, "Could not disconnect from the ME client");
+ dev_err(bus->dev, "Could not disconnect from the ME client");
goto out;
}

@@ -534,7 +543,7 @@ int mei_cl_disable_device(struct mei_cl_device *device)
mei_cl_flush_queues(cl, NULL);

out:
- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);
return err;

}
@@ -542,14 +551,14 @@ EXPORT_SYMBOL_GPL(mei_cl_disable_device);

void mei_cl_bus_rx_event(struct mei_cl *cl)
{
- struct mei_cl_device *device = cl->device;
+ struct mei_cl_device *cldev = cl->cldev;

- if (!device || !device->event_cb)
+ if (!cldev || !cldev->event_cb)
return;

- set_bit(MEI_CL_EVENT_RX, &device->events);
+ set_bit(MEI_CL_EVENT_RX, &cldev->events);

- schedule_work(&device->event_work);
+ schedule_work(&cldev->event_work);
}

int __init mei_cl_bus_init(void)
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 453f6a3..bc65fb4 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -240,7 +240,7 @@ struct mei_cl_cb {
* @rd_pending: pending read credits
* @rd_completed: completed read
*
- * @device: device on the mei client bus
+ * @cldev: device on the mei client bus
* @device_link: link to bus clients
*/
struct mei_cl {
@@ -261,7 +261,7 @@ struct mei_cl {
struct list_head rd_completed;

/* MEI CL bus data */
- struct mei_cl_device *device;
+ struct mei_cl_device *cldev;
struct list_head device_link;
};

@@ -330,20 +330,20 @@ struct mei_hw_ops {

/* MEI bus API*/

-struct mei_cl_device *mei_cl_add_device(struct mei_device *dev,
+struct mei_cl_device *mei_cl_add_device(struct mei_device *bus,
struct mei_me_client *me_cl,
struct mei_cl *cl,
char *name);
-void mei_cl_remove_device(struct mei_cl_device *device);
+void mei_cl_remove_device(struct mei_cl_device *cldev);

ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
bool blocking);
ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length);
void mei_cl_bus_rx_event(struct mei_cl *cl);
-void mei_cl_bus_remove_devices(struct mei_device *dev);
+void mei_cl_bus_remove_devices(struct mei_device *bus);
int mei_cl_bus_init(void);
void mei_cl_bus_exit(void);
-struct mei_cl *mei_cl_bus_find_cl_by_uuid(struct mei_device *dev, uuid_le uuid);
+struct mei_cl *mei_cl_bus_find_cl_by_uuid(struct mei_device *bus, uuid_le uuid);

/**
* enum mei_pg_event - power gating transition events
diff --git a/drivers/misc/mei/nfc.c b/drivers/misc/mei/nfc.c
index 290ef30..47aa152 100644
--- a/drivers/misc/mei/nfc.c
+++ b/drivers/misc/mei/nfc.c
@@ -152,12 +152,12 @@ static void mei_nfc_free(struct mei_nfc_dev *ndev)

static int mei_nfc_build_bus_name(struct mei_nfc_dev *ndev)
{
- struct mei_device *dev;
+ struct mei_device *bus;

if (!ndev->cl)
return -ENODEV;

- dev = ndev->cl->dev;
+ bus = ndev->cl->dev;

switch (ndev->vendor_id) {
case MEI_NFC_VENDOR_INSIDE:
@@ -167,7 +167,7 @@ static int mei_nfc_build_bus_name(struct mei_nfc_dev *ndev)
return 0;

default:
- dev_err(dev->dev, "Unknown radio type 0x%x\n",
+ dev_err(bus->dev, "Unknown radio type 0x%x\n",
ndev->radio_type);

return -EINVAL;
@@ -179,14 +179,14 @@ static int mei_nfc_build_bus_name(struct mei_nfc_dev *ndev)
ndev->bus_name = "pn544";
return 0;
default:
- dev_err(dev->dev, "Unknown radio type 0x%x\n",
+ dev_err(bus->dev, "Unknown radio type 0x%x\n",
ndev->radio_type);

return -EINVAL;
}

default:
- dev_err(dev->dev, "Unknown vendor ID 0x%x\n",
+ dev_err(bus->dev, "Unknown vendor ID 0x%x\n",
ndev->vendor_id);

return -EINVAL;
@@ -197,7 +197,7 @@ static int mei_nfc_build_bus_name(struct mei_nfc_dev *ndev)

static int mei_nfc_if_version(struct mei_nfc_dev *ndev)
{
- struct mei_device *dev;
+ struct mei_device *bus;
struct mei_cl *cl;

struct mei_nfc_cmd cmd;
@@ -207,7 +207,7 @@ static int mei_nfc_if_version(struct mei_nfc_dev *ndev)
int bytes_recv, ret;

cl = ndev->cl_info;
- dev = cl->dev;
+ bus = cl->dev;

memset(&cmd, 0, sizeof(struct mei_nfc_cmd));
cmd.command = MEI_NFC_CMD_MAINTENANCE;
@@ -216,7 +216,7 @@ static int mei_nfc_if_version(struct mei_nfc_dev *ndev)

ret = __mei_cl_send(cl, (u8 *)&cmd, sizeof(struct mei_nfc_cmd), 1);
if (ret < 0) {
- dev_err(dev->dev, "Could not send IF version cmd\n");
+ dev_err(bus->dev, "Could not send IF version cmd\n");
return ret;
}

@@ -230,7 +230,7 @@ static int mei_nfc_if_version(struct mei_nfc_dev *ndev)

bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length);
if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) {
- dev_err(dev->dev, "Could not read IF version\n");
+ dev_err(bus->dev, "Could not read IF version\n");
ret = -EIO;
goto err;
}
@@ -248,7 +248,7 @@ err:

static void mei_nfc_init(struct work_struct *work)
{
- struct mei_device *dev;
+ struct mei_device *bus;
struct mei_cl_device *cldev;
struct mei_nfc_dev *ndev;
struct mei_cl *cl_info;
@@ -257,57 +257,57 @@ static void mei_nfc_init(struct work_struct *work)
ndev = container_of(work, struct mei_nfc_dev, init_work);

cl_info = ndev->cl_info;
- dev = cl_info->dev;
+ bus = cl_info->dev;

- mutex_lock(&dev->device_lock);
+ mutex_lock(&bus->device_lock);

/* check for valid client id */
- me_cl_info = mei_me_cl_by_uuid(dev, &mei_nfc_info_guid);
+ me_cl_info = mei_me_cl_by_uuid(bus, &mei_nfc_info_guid);
if (!me_cl_info) {
- mutex_unlock(&dev->device_lock);
- dev_info(dev->dev, "nfc: failed to find the info client\n");
+ mutex_unlock(&bus->device_lock);
+ dev_info(bus->dev, "nfc: failed to find the info client\n");
goto err;
}

if (mei_cl_connect(cl_info, me_cl_info, NULL) < 0) {
mei_me_cl_put(me_cl_info);
- mutex_unlock(&dev->device_lock);
- dev_err(dev->dev, "Could not connect to the NFC INFO ME client");
+ mutex_unlock(&bus->device_lock);
+ dev_err(bus->dev, "Could not connect to the NFC INFO ME client");

goto err;
}
mei_me_cl_put(me_cl_info);
- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);

if (mei_nfc_if_version(ndev) < 0) {
- dev_err(dev->dev, "Could not get the NFC interface version");
+ dev_err(bus->dev, "Could not get the NFC interface version");

goto err;
}

- dev_info(dev->dev, "NFC MEI VERSION: IVN 0x%x Vendor ID 0x%x Type 0x%x\n",
+ dev_info(bus->dev, "NFC MEI VERSION: IVN 0x%x Vendor ID 0x%x Type 0x%x\n",
ndev->fw_ivn, ndev->vendor_id, ndev->radio_type);

- mutex_lock(&dev->device_lock);
+ mutex_lock(&bus->device_lock);

if (mei_cl_disconnect(cl_info) < 0) {
- mutex_unlock(&dev->device_lock);
- dev_err(dev->dev, "Could not disconnect the NFC INFO ME client");
+ mutex_unlock(&bus->device_lock);
+ dev_err(bus->dev, "Could not disconnect the NFC INFO ME client");

goto err;
}

- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);

if (mei_nfc_build_bus_name(ndev) < 0) {
- dev_err(dev->dev, "Could not build the bus ID name\n");
+ dev_err(bus->dev, "Could not build the bus ID name\n");
return;
}

- cldev = mei_cl_add_device(dev, ndev->me_cl, ndev->cl,
+ cldev = mei_cl_add_device(bus, ndev->me_cl, ndev->cl,
ndev->bus_name);
if (!cldev) {
- dev_err(dev->dev, "Could not add the NFC device to the MEI bus\n");
+ dev_err(bus->dev, "Could not add the NFC device to the MEI bus\n");

goto err;
}
@@ -318,14 +318,14 @@ static void mei_nfc_init(struct work_struct *work)
return;

err:
- mutex_lock(&dev->device_lock);
+ mutex_lock(&bus->device_lock);
mei_nfc_free(ndev);
- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);

}

-int mei_nfc_host_init(struct mei_device *dev, struct mei_me_client *me_cl)
+int mei_nfc_host_init(struct mei_device *bus, struct mei_me_client *me_cl)
{
struct mei_nfc_dev *ndev;
struct mei_cl *cl_info, *cl;
@@ -335,7 +335,7 @@ int mei_nfc_host_init(struct mei_device *dev, struct mei_me_client *me_cl)
/* in case of internal reset bail out
* as the device is already setup
*/
- cl = mei_cl_bus_find_cl_by_uuid(dev, mei_nfc_guid);
+ cl = mei_cl_bus_find_cl_by_uuid(bus, mei_nfc_guid);
if (cl)
return 0;

@@ -351,23 +351,23 @@ int mei_nfc_host_init(struct mei_device *dev, struct mei_me_client *me_cl)
goto err;
}

- cl_info = mei_cl_alloc_linked(dev, MEI_HOST_CLIENT_ID_ANY);
+ cl_info = mei_cl_alloc_linked(bus, MEI_HOST_CLIENT_ID_ANY);
if (IS_ERR(cl_info)) {
ret = PTR_ERR(cl_info);
goto err;
}

- list_add_tail(&cl_info->device_link, &dev->device_list);
+ list_add_tail(&cl_info->device_link, &bus->device_list);

ndev->cl_info = cl_info;

- cl = mei_cl_alloc_linked(dev, MEI_HOST_CLIENT_ID_ANY);
+ cl = mei_cl_alloc_linked(bus, MEI_HOST_CLIENT_ID_ANY);
if (IS_ERR(cl)) {
ret = PTR_ERR(cl);
goto err;
}

- list_add_tail(&cl->device_link, &dev->device_list);
+ list_add_tail(&cl->device_link, &bus->device_list);

ndev->cl = cl;

@@ -382,17 +382,17 @@ err:
return ret;
}

-void mei_nfc_host_exit(struct mei_device *dev)
+void mei_nfc_host_exit(struct mei_device *bus)
{
struct mei_nfc_dev *ndev;
struct mei_cl *cl;
struct mei_cl_device *cldev;

- cl = mei_cl_bus_find_cl_by_uuid(dev, mei_nfc_guid);
+ cl = mei_cl_bus_find_cl_by_uuid(bus, mei_nfc_guid);
if (!cl)
return;

- cldev = cl->device;
+ cldev = cl->cldev;
if (!cldev)
return;

@@ -407,9 +407,9 @@ void mei_nfc_host_exit(struct mei_device *dev)
*/
mei_cl_remove_device(cldev);

- mutex_lock(&dev->device_lock);
+ mutex_lock(&bus->device_lock);
mei_nfc_free(ndev);
- mutex_unlock(&dev->device_lock);
+ mutex_unlock(&bus->device_lock);
}

diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index ae19d83..055cad1 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1436,6 +1436,12 @@ static int mmc_spi_probe(struct spi_device *spi)
host->pdata->cd_debounce);
if (status != 0)
goto fail_add_host;
+
+ /* The platform has a CD GPIO signal that may support
+ * interrupts, so let mmc_gpiod_request_cd_irq() decide
+ * if polling is needed or not.
+ */
+ mmc->caps &= ~MMC_CAP_NEEDS_POLL;
mmc_gpiod_request_cd_irq(mmc);
}

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 939438f..c27800d 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -667,9 +667,20 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd)
if (!data)
target_timeout = cmd->busy_timeout * 1000;
else {
- target_timeout = data->timeout_ns / 1000;
- if (host->clock)
- target_timeout += data->timeout_clks / host->clock;
+ target_timeout = DIV_ROUND_UP(data->timeout_ns, 1000);
+ if (host->clock && data->timeout_clks) {
+ unsigned long long val;
+
+ /*
+ * data->timeout_clks is in units of clock cycles.
+ * host->clock is in Hz. target_timeout is in us.
+ * Hence, us = 1000000 * cycles / Hz. Round up.
+ */
+ val = 1000000 * data->timeout_clks;
+ if (do_div(val, host->clock))
+ target_timeout++;
+ target_timeout += val;
+ }
}

/*
@@ -3065,14 +3076,14 @@ int sdhci_add_host(struct sdhci_host *host)
if (caps[0] & SDHCI_TIMEOUT_CLK_UNIT)
host->timeout_clk *= 1000;

+ if (override_timeout_clk)
+ host->timeout_clk = override_timeout_clk;
+
mmc->max_busy_timeout = host->ops->get_max_timeout_count ?
host->ops->get_max_timeout_count(host) : 1 << 27;
mmc->max_busy_timeout /= host->timeout_clk;
}

- if (override_timeout_clk)
- host->timeout_clk = override_timeout_clk;
-
mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23;
mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;

diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index fddb795..730df5f 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -309,6 +309,36 @@ static const u16 brcmnand_regs_v60[] = {
[BRCMNAND_FC_BASE] = 0x400,
};

+/* BRCMNAND v7.1 */
+static const u16 brcmnand_regs_v71[] = {
+ [BRCMNAND_CMD_START] = 0x04,
+ [BRCMNAND_CMD_EXT_ADDRESS] = 0x08,
+ [BRCMNAND_CMD_ADDRESS] = 0x0c,
+ [BRCMNAND_INTFC_STATUS] = 0x14,
+ [BRCMNAND_CS_SELECT] = 0x18,
+ [BRCMNAND_CS_XOR] = 0x1c,
+ [BRCMNAND_LL_OP] = 0x20,
+ [BRCMNAND_CS0_BASE] = 0x50,
+ [BRCMNAND_CS1_BASE] = 0,
+ [BRCMNAND_CORR_THRESHOLD] = 0xdc,
+ [BRCMNAND_CORR_THRESHOLD_EXT] = 0xe0,
+ [BRCMNAND_UNCORR_COUNT] = 0xfc,
+ [BRCMNAND_CORR_COUNT] = 0x100,
+ [BRCMNAND_CORR_EXT_ADDR] = 0x10c,
+ [BRCMNAND_CORR_ADDR] = 0x110,
+ [BRCMNAND_UNCORR_EXT_ADDR] = 0x114,
+ [BRCMNAND_UNCORR_ADDR] = 0x118,
+ [BRCMNAND_SEMAPHORE] = 0x150,
+ [BRCMNAND_ID] = 0x194,
+ [BRCMNAND_ID_EXT] = 0x198,
+ [BRCMNAND_LL_RDATA] = 0x19c,
+ [BRCMNAND_OOB_READ_BASE] = 0x200,
+ [BRCMNAND_OOB_READ_10_BASE] = 0,
+ [BRCMNAND_OOB_WRITE_BASE] = 0x280,
+ [BRCMNAND_OOB_WRITE_10_BASE] = 0,
+ [BRCMNAND_FC_BASE] = 0x400,
+};
+
enum brcmnand_cs_reg {
BRCMNAND_CS_CFG_EXT = 0,
BRCMNAND_CS_CFG,
@@ -382,7 +412,9 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl)
}

/* Register offsets */
- if (ctrl->nand_version >= 0x0600)
+ if (ctrl->nand_version >= 0x0701)
+ ctrl->reg_offsets = brcmnand_regs_v71;
+ else if (ctrl->nand_version >= 0x0600)
ctrl->reg_offsets = brcmnand_regs_v60;
else if (ctrl->nand_version >= 0x0500)
ctrl->reg_offsets = brcmnand_regs_v50;
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 43b3392..652d018 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -2599,6 +2599,7 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
*/
static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
{
+ struct onenand_chip *this = mtd->priv;
int ret;

ret = onenand_block_isbad(mtd, ofs);
@@ -2610,7 +2611,7 @@ static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
}

onenand_get_device(mtd, FL_WRITING);
- ret = mtd_block_markbad(mtd, ofs);
+ ret = this->block_markbad(mtd, ofs);
onenand_release_device(mtd);
return ret;
}
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 93b673b..24eaccd 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1048,7 +1048,7 @@ static unsigned int __bcmgenet_tx_reclaim(struct net_device *dev,
dev->stats.tx_bytes += tx_cb_ptr->skb->len;
dma_unmap_single(&dev->dev,
dma_unmap_addr(tx_cb_ptr, dma_addr),
- tx_cb_ptr->skb->len,
+ dma_unmap_len(tx_cb_ptr, dma_len),
DMA_TO_DEVICE);
bcmgenet_free_cb(tx_cb_ptr);
} else if (dma_unmap_addr(tx_cb_ptr, dma_addr)) {
@@ -1159,7 +1159,7 @@ static int bcmgenet_xmit_single(struct net_device *dev,
}

dma_unmap_addr_set(tx_cb_ptr, dma_addr, mapping);
- dma_unmap_len_set(tx_cb_ptr, dma_len, skb->len);
+ dma_unmap_len_set(tx_cb_ptr, dma_len, skb_len);
length_status = (skb_len << DMA_BUFLENGTH_SHIFT) | dma_desc_flags |
(priv->hw_params->qtag_mask << DMA_TX_QTAG_SHIFT) |
DMA_TX_APPEND_CRC;
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 060af9b..37abcde 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3163,7 +3163,7 @@ static int mvneta_probe(struct platform_device *pdev)
dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
dev->hw_features |= dev->features;
dev->vlan_features |= dev->features;
- dev->priv_flags |= IFF_UNICAST_FLT;
+ dev->priv_flags |= IFF_UNICAST_FLT | IFF_LIVE_ADDR_CHANGE;
dev->gso_max_segs = MVNETA_MAX_TSO_SEGS;

err = register_netdev(dev);
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index b2614a8..b1a964e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -3129,7 +3129,7 @@ static int verify_qp_parameters(struct mlx4_dev *dev,
case QP_TRANS_RTS2RTS:
case QP_TRANS_SQD2SQD:
case QP_TRANS_SQD2RTS:
- if (slave != mlx4_master_func_num(dev))
+ if (slave != mlx4_master_func_num(dev)) {
if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) {
port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1;
if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB)
@@ -3148,6 +3148,7 @@ static int verify_qp_parameters(struct mlx4_dev *dev,
if (qp_ctx->alt_path.mgid_index >= num_gids)
return -EINVAL;
}
+ }
break;
default:
break;
diff --git a/drivers/net/ethernet/micrel/ks8842.c b/drivers/net/ethernet/micrel/ks8842.c
index 09d2e16..cb0102d 100644
--- a/drivers/net/ethernet/micrel/ks8842.c
+++ b/drivers/net/ethernet/micrel/ks8842.c
@@ -561,8 +561,8 @@ static int __ks8842_start_new_rx_dma(struct net_device *netdev)
sg_init_table(sg, 1);
sg_dma_address(sg) = dma_map_single(adapter->dev,
ctl->skb->data, DMA_BUFFER_SIZE, DMA_FROM_DEVICE);
- err = dma_mapping_error(adapter->dev, sg_dma_address(sg));
- if (unlikely(err)) {
+ if (dma_mapping_error(adapter->dev, sg_dma_address(sg))) {
+ err = -ENOMEM;
sg_dma_address(sg) = 0;
goto out;
}
@@ -572,8 +572,10 @@ static int __ks8842_start_new_rx_dma(struct net_device *netdev)
ctl->adesc = dmaengine_prep_slave_sg(ctl->chan,
sg, 1, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT);

- if (!ctl->adesc)
+ if (!ctl->adesc) {
+ err = -ENOMEM;
goto out;
+ }

ctl->adesc->callback_param = netdev;
ctl->adesc->callback = ks8842_dma_rx_cb;
@@ -584,7 +586,7 @@ static int __ks8842_start_new_rx_dma(struct net_device *netdev)
goto out;
}

- return err;
+ return 0;
out:
if (sg_dma_address(sg))
dma_unmap_single(adapter->dev, sg_dma_address(sg),
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index 696852e..7a3f990 100644
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -430,16 +430,6 @@ static int irtty_open(struct tty_struct *tty)

/* Module stuff handled via irda_ldisc.owner - Jean II */

- /* First make sure we're not already connected. */
- if (tty->disc_data != NULL) {
- priv = tty->disc_data;
- if (priv && priv->magic == IRTTY_MAGIC) {
- ret = -EEXIST;
- goto out;
- }
- tty->disc_data = NULL; /* ### */
- }
-
/* stop the underlying driver */
irtty_stop_receiver(tty, TRUE);
if (tty->ops->stop)
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index fabf11d..5fbca04 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -198,7 +198,7 @@ static int at803x_probe(struct phy_device *phydev)
if (!priv)
return -ENOMEM;

- gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
+ gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(gpiod_reset))
return PTR_ERR(gpiod_reset);

@@ -274,10 +274,10 @@ static void at803x_link_change_notify(struct phy_device *phydev)

at803x_context_save(phydev, &context);

- gpiod_set_value(priv->gpiod_reset, 0);
- msleep(1);
gpiod_set_value(priv->gpiod_reset, 1);
msleep(1);
+ gpiod_set_value(priv->gpiod_reset, 0);
+ msleep(1);

at803x_context_restore(phydev, &context);

diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c
index 15bc7f9..529bed2 100644
--- a/drivers/net/phy/mdio-sun4i.c
+++ b/drivers/net/phy/mdio-sun4i.c
@@ -132,6 +132,7 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
return -EPROBE_DEFER;

dev_info(&pdev->dev, "no regulator found\n");
+ data->regulator = NULL;
} else {
ret = regulator_enable(data->regulator);
if (ret)
@@ -147,7 +148,8 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
return 0;

err_out_disable_regulator:
- regulator_disable(data->regulator);
+ if (data->regulator)
+ regulator_disable(data->regulator);
err_out_free_mdiobus:
mdiobus_free(bus);
return ret;
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index e82b43c..02ed8c5 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -565,7 +565,7 @@ static int get_filter(void __user *arg, struct sock_filter **p)

static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- struct ppp_file *pf = file->private_data;
+ struct ppp_file *pf;
struct ppp *ppp;
int err = -EFAULT, val, val2, i;
struct ppp_idle idle;
@@ -575,9 +575,14 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
void __user *argp = (void __user *)arg;
int __user *p = argp;

- if (!pf)
- return ppp_unattached_ioctl(current->nsproxy->net_ns,
- pf, file, cmd, arg);
+ mutex_lock(&ppp_mutex);
+
+ pf = file->private_data;
+ if (!pf) {
+ err = ppp_unattached_ioctl(current->nsproxy->net_ns,
+ pf, file, cmd, arg);
+ goto out;
+ }

if (cmd == PPPIOCDETACH) {
/*
@@ -592,7 +597,6 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
* this fd and reopening /dev/ppp.
*/
err = -EINVAL;
- mutex_lock(&ppp_mutex);
if (pf->kind == INTERFACE) {
ppp = PF_TO_PPP(pf);
rtnl_lock();
@@ -606,15 +610,13 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
} else
pr_warn("PPPIOCDETACH file->f_count=%ld\n",
atomic_long_read(&file->f_count));
- mutex_unlock(&ppp_mutex);
- return err;
+ goto out;
}

if (pf->kind == CHANNEL) {
struct channel *pch;
struct ppp_channel *chan;

- mutex_lock(&ppp_mutex);
pch = PF_TO_CHANNEL(pf);

switch (cmd) {
@@ -636,17 +638,16 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
err = chan->ops->ioctl(chan, cmd, arg);
up_read(&pch->chan_sem);
}
- mutex_unlock(&ppp_mutex);
- return err;
+ goto out;
}

if (pf->kind != INTERFACE) {
/* can't happen */
pr_err("PPP: not interface or channel??\n");
- return -EINVAL;
+ err = -EINVAL;
+ goto out;
}

- mutex_lock(&ppp_mutex);
ppp = PF_TO_PPP(pf);
switch (cmd) {
case PPPIOCSMRU:
@@ -821,7 +822,10 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
default:
err = -ENOTTY;
}
+
+out:
mutex_unlock(&ppp_mutex);
+
return err;
}

@@ -834,7 +838,6 @@ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
struct ppp_net *pn;
int __user *p = (int __user *)arg;

- mutex_lock(&ppp_mutex);
switch (cmd) {
case PPPIOCNEWUNIT:
/* Create a new ppp unit */
@@ -884,7 +887,7 @@ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
default:
err = -ENOTTY;
}
- mutex_unlock(&ppp_mutex);
+
return err;
}

@@ -2277,7 +2280,7 @@ int ppp_register_net_channel(struct net *net, struct ppp_channel *chan)

pch->ppp = NULL;
pch->chan = chan;
- pch->chan_net = net;
+ pch->chan_net = get_net(net);
chan->ppp = pch;
init_ppp_file(&pch->file, CHANNEL);
pch->file.hdrlen = chan->hdrlen;
@@ -2374,6 +2377,8 @@ ppp_unregister_channel(struct ppp_channel *chan)
spin_lock_bh(&pn->all_channels_lock);
list_del(&pch->list);
spin_unlock_bh(&pn->all_channels_lock);
+ put_net(pch->chan_net);
+ pch->chan_net = NULL;

pch->file.dead = 1;
wake_up_interruptible(&pch->file.rwait);
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index dac7a0d..18cc2c8 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -280,7 +280,7 @@ static void rionet_outb_msg_event(struct rio_mport *mport, void *dev_id, int mbo
struct net_device *ndev = dev_id;
struct rionet_private *rnet = netdev_priv(ndev);

- spin_lock(&rnet->lock);
+ spin_lock(&rnet->tx_lock);

if (netif_msg_intr(rnet))
printk(KERN_INFO
@@ -299,7 +299,7 @@ static void rionet_outb_msg_event(struct rio_mport *mport, void *dev_id, int mbo
if (rnet->tx_cnt < RIONET_TX_RING_SIZE)
netif_wake_queue(ndev);

- spin_unlock(&rnet->lock);
+ spin_unlock(&rnet->tx_lock);
}

static int rionet_open(struct net_device *ndev)
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index cc81482..113a43f 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -403,10 +403,9 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,

if (match) {
if (AR_SREV_9287(ah)) {
- /* FIXME: array overrun? */
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_9287[idxL].pwrPdg[i][0];
- maxPwrT4[i] = data_9287[idxL].pwrPdg[i][4];
+ maxPwrT4[i] = data_9287[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_9287[idxL].pwrPdg[i],
data_9287[idxL].vpdPdg[i],
@@ -416,7 +415,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
} else if (eeprom_4k) {
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_4k[idxL].pwrPdg[i][0];
- maxPwrT4[i] = data_4k[idxL].pwrPdg[i][4];
+ maxPwrT4[i] = data_4k[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_4k[idxL].pwrPdg[i],
data_4k[idxL].vpdPdg[i],
@@ -426,7 +425,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
} else {
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_def[idxL].pwrPdg[i][0];
- maxPwrT4[i] = data_def[idxL].pwrPdg[i][4];
+ maxPwrT4[i] = data_def[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_def[idxL].pwrPdg[i],
data_def[idxL].vpdPdg[i],
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index bfddc9e..fc6dc52 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -855,8 +855,8 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
BIT(NL80211_IFTYPE_MESH_POINT) |
BIT(NL80211_IFTYPE_WDS);

- hw->wiphy->iface_combinations = if_comb;
- hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+ hw->wiphy->iface_combinations = if_comb;
+ hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
}

hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 5932306..9fceb4f 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1026,6 +1026,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x0411, 0x01a2) },
{ USB_DEVICE(0x0411, 0x01ee) },
{ USB_DEVICE(0x0411, 0x01a8) },
+ { USB_DEVICE(0x0411, 0x01fd) },
/* Corega */
{ USB_DEVICE(0x07aa, 0x002f) },
{ USB_DEVICE(0x07aa, 0x003c) },
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 7e2c43f..496b9b6 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -513,10 +513,10 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm,

/* fail write commands (when read-only) */
if (read_only)
- switch (ioctl_cmd) {
- case ND_IOCTL_VENDOR:
- case ND_IOCTL_SET_CONFIG_DATA:
- case ND_IOCTL_ARS_START:
+ switch (cmd) {
+ case ND_CMD_VENDOR:
+ case ND_CMD_SET_CONFIG_DATA:
+ case ND_CMD_ARS_START:
dev_dbg(&nvdimm_bus->dev, "'%s' command while read-only.\n",
nvdimm ? nvdimm_cmd_name(cmd)
: nvdimm_bus_cmd_name(cmd));
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 56c23ee..be4f65c 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -31,11 +31,13 @@ int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
phys_addr_t *res_base)
{
+ phys_addr_t base;
/*
* We use __memblock_alloc_base() because memblock_alloc_base()
* panic()s on allocation failure.
*/
- phys_addr_t base = __memblock_alloc_base(size, align, end);
+ end = !end ? MEMBLOCK_ALLOC_ANYWHERE : end;
+ base = __memblock_alloc_base(size, align, end);
if (!base)
return -ENOMEM;

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 8e4ad97..8cb5197 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -176,6 +176,9 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
u16 orig_cmd;
struct pci_bus_region region, inverted_region;

+ if (dev->non_compliant_bars)
+ return 0;
+
mask = type ? PCI_ROM_ADDRESS_MASK : ~0;

/* No printks while decoding is disabled! */
@@ -1137,6 +1140,7 @@ static void pci_msi_setup_pci_dev(struct pci_dev *dev)
int pci_setup_device(struct pci_dev *dev)
{
u32 class;
+ u16 cmd;
u8 hdr_type;
struct pci_slot *slot;
int pos = 0;
@@ -1184,6 +1188,16 @@ int pci_setup_device(struct pci_dev *dev)
/* device class may be changed after fixup */
class = dev->class >> 8;

+ if (dev->non_compliant_bars) {
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ if (cmd & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
+ dev_info(&dev->dev, "device has non-compliant BARs; disabling IO/MEM decoding\n");
+ cmd &= ~PCI_COMMAND_IO;
+ cmd &= ~PCI_COMMAND_MEMORY;
+ pci_write_config_word(dev, PCI_COMMAND, cmd);
+ }
+ }
+
switch (dev->hdr_type) { /* header type */
case PCI_HEADER_TYPE_NORMAL: /* standard header */
if (class == PCI_CLASS_BRIDGE_PCI)
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index 8f93ec3..7c09f90 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -789,7 +789,7 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
}
if (num_pulls) {
err = of_property_read_u32_index(np, "brcm,pull",
- (num_funcs > 1) ? i : 0, &pull);
+ (num_pulls > 1) ? i : 0, &pull);
if (err)
goto out;
err = bcm2835_pctl_dt_node_to_map_pull(pc, np, pin,
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index e2b3743..aff3c70 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -846,6 +846,20 @@ static const struct dmi_system_id no_hw_rfkill_list[] = {
},
},
{
+ .ident = "Lenovo ideapad Y700-15ISK",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700-15ISK"),
+ },
+ },
+ {
+ .ident = "Lenovo ideapad Y700 Touch-15ISK",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700 Touch-15ISK"),
+ },
+ },
+ {
.ident = "Lenovo ideapad Y700-17ISK",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 58f5d3b..27343e1 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -202,9 +202,10 @@ static int s5m8767_get_register(struct s5m8767_info *s5m8767, int reg_id,
}
}

- if (i < s5m8767->num_regulators)
- *enable_ctrl =
- s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
+ if (i >= s5m8767->num_regulators)
+ return -EINVAL;
+
+ *enable_ctrl = s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;

return 0;
}
@@ -937,8 +938,12 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
else
regulators[id].vsel_mask = 0xff;

- s5m8767_get_register(s5m8767, id, &enable_reg,
+ ret = s5m8767_get_register(s5m8767, id, &enable_reg,
&enable_val);
+ if (ret) {
+ dev_err(s5m8767->dev, "error reading registers\n");
+ return ret;
+ }
regulators[id].enable_reg = enable_reg;
regulators[id].enable_mask = S5M8767_ENCTRL_MASK;
regulators[id].enable_val = enable_val;
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 818a363..8686588 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -187,9 +187,9 @@ ds1685_rtc_end_data_access(struct ds1685_priv *rtc)
* Only use this where you are certain another lock will not be held.
*/
static inline void
-ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long flags)
+ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long *flags)
{
- spin_lock_irqsave(&rtc->lock, flags);
+ spin_lock_irqsave(&rtc->lock, *flags);
ds1685_rtc_switch_to_bank1(rtc);
}

@@ -1304,7 +1304,7 @@ ds1685_rtc_sysfs_ctrl_regs_store(struct device *dev,
{
struct ds1685_priv *rtc = dev_get_drvdata(dev);
u8 reg = 0, bit = 0, tmp;
- unsigned long flags = 0;
+ unsigned long flags;
long int val = 0;
const struct ds1685_rtc_ctrl_regs *reg_info =
ds1685_rtc_sysfs_ctrl_regs_lookup(attr->attr.name);
@@ -1325,7 +1325,7 @@ ds1685_rtc_sysfs_ctrl_regs_store(struct device *dev,
bit = reg_info->bit;

/* Safe to spinlock during a write. */
- ds1685_rtc_begin_ctrl_access(rtc, flags);
+ ds1685_rtc_begin_ctrl_access(rtc, &flags);
tmp = rtc->read(rtc, reg);
rtc->write(rtc, reg, (val ? (tmp | bit) : (tmp & ~(bit))));
ds1685_rtc_end_ctrl_access(rtc, flags);
diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c
index e9da795..0b6b40a 100644
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -144,7 +144,7 @@ static int hym8563_rtc_set_time(struct device *dev, struct rtc_time *tm)
* it does not seem to carry it over a subsequent write/read.
* So we'll limit ourself to 100 years, starting at 2000 for now.
*/
- buf[6] = tm->tm_year - 100;
+ buf[6] = bin2bcd(tm->tm_year - 100);

/*
* CTL1 only contains TEST-mode bits apart from stop,
diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
index 7184a0e..725dcca 100644
--- a/drivers/rtc/rtc-max77686.c
+++ b/drivers/rtc/rtc-max77686.c
@@ -465,7 +465,7 @@ static int max77686_rtc_probe(struct platform_device *pdev)

info->virq = regmap_irq_get_virq(max77686->rtc_irq_data,
MAX77686_RTCIRQ_RTCA1);
- if (!info->virq) {
+ if (info->virq <= 0) {
ret = -ENXIO;
goto err_rtc;
}
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index f64c282..e1b86bb 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -272,12 +272,13 @@ static irqreturn_t rtclong1_interrupt(int irq, void *dev_id)
}

static const struct rtc_class_ops vr41xx_rtc_ops = {
- .release = vr41xx_rtc_release,
- .ioctl = vr41xx_rtc_ioctl,
- .read_time = vr41xx_rtc_read_time,
- .set_time = vr41xx_rtc_set_time,
- .read_alarm = vr41xx_rtc_read_alarm,
- .set_alarm = vr41xx_rtc_set_alarm,
+ .release = vr41xx_rtc_release,
+ .ioctl = vr41xx_rtc_ioctl,
+ .read_time = vr41xx_rtc_read_time,
+ .set_time = vr41xx_rtc_set_time,
+ .read_alarm = vr41xx_rtc_read_alarm,
+ .set_alarm = vr41xx_rtc_set_alarm,
+ .alarm_irq_enable = vr41xx_rtc_alarm_irq_enable,
};

static int rtc_probe(struct platform_device *pdev)
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 40fe65c..18c9c06 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -939,6 +939,7 @@ struct fib {
*/
struct list_head fiblink;
void *data;
+ u32 vector_no;
struct hw_fib *hw_fib_va; /* Actual shared object */
dma_addr_t hw_fib_pa; /* physical address of hw_fib*/
};
@@ -2098,6 +2099,7 @@ static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor)
#define AAC_OWNER_FIRMWARE 0x106

const char *aac_driverinfo(struct Scsi_Host *);
+void aac_fib_vector_assign(struct aac_dev *dev);
struct fib *aac_fib_alloc(struct aac_dev *dev);
int aac_fib_setup(struct aac_dev *dev);
void aac_fib_map_free(struct aac_dev *dev);
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 4da5749..4b79d95 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -83,13 +83,38 @@ static int fib_map_alloc(struct aac_dev *dev)

void aac_fib_map_free(struct aac_dev *dev)
{
- pci_free_consistent(dev->pdev,
- dev->max_fib_size * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB),
- dev->hw_fib_va, dev->hw_fib_pa);
+ if (dev->hw_fib_va && dev->max_fib_size) {
+ pci_free_consistent(dev->pdev,
+ (dev->max_fib_size *
+ (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB)),
+ dev->hw_fib_va, dev->hw_fib_pa);
+ }
dev->hw_fib_va = NULL;
dev->hw_fib_pa = 0;
}

+void aac_fib_vector_assign(struct aac_dev *dev)
+{
+ u32 i = 0;
+ u32 vector = 1;
+ struct fib *fibptr = NULL;
+
+ for (i = 0, fibptr = &dev->fibs[i];
+ i < (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB);
+ i++, fibptr++) {
+ if ((dev->max_msix == 1) ||
+ (i > ((dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB - 1)
+ - dev->vector_cap))) {
+ fibptr->vector_no = 0;
+ } else {
+ fibptr->vector_no = vector;
+ vector++;
+ if (vector == dev->max_msix)
+ vector = 1;
+ }
+ }
+}
+
/**
* aac_fib_setup - setup the fibs
* @dev: Adapter to set up
@@ -151,6 +176,12 @@ int aac_fib_setup(struct aac_dev * dev)
hw_fib_pa = hw_fib_pa +
dev->max_fib_size + sizeof(struct aac_fib_xporthdr);
}
+
+ /*
+ *Assign vector numbers to fibs
+ */
+ aac_fib_vector_assign(dev);
+
/*
* Add the fib chain to the free list
*/
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index e63cf9f..cf437bd 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -156,8 +156,8 @@ static irqreturn_t aac_src_intr_message(int irq, void *dev_id)
break;
if (dev->msi_enabled && dev->max_msix > 1)
atomic_dec(&dev->rrq_outstanding[vector_no]);
- aac_intr_normal(dev, handle-1, 0, isFastResponse, NULL);
dev->host_rrq[index++] = 0;
+ aac_intr_normal(dev, handle-1, 0, isFastResponse, NULL);
if (index == (vector_no + 1) * dev->vector_cap)
index = vector_no * dev->vector_cap;
dev->host_rrq_idx[vector_no] = index;
@@ -448,36 +448,20 @@ static int aac_src_deliver_message(struct fib *fib)
dma_addr_t address;
struct aac_fib_xporthdr *pFibX;
u16 hdr_size = le16_to_cpu(fib->hw_fib_va->header.Size);
+ u16 vector_no;

atomic_inc(&q->numpending);

if (dev->msi_enabled && fib->hw_fib_va->header.Command != AifRequest &&
dev->max_msix > 1) {
- u_int16_t vector_no, first_choice = 0xffff;
-
- vector_no = dev->fibs_pushed_no % dev->max_msix;
- do {
- vector_no += 1;
- if (vector_no == dev->max_msix)
- vector_no = 1;
- if (atomic_read(&dev->rrq_outstanding[vector_no]) <
- dev->vector_cap)
- break;
- if (0xffff == first_choice)
- first_choice = vector_no;
- else if (vector_no == first_choice)
- break;
- } while (1);
- if (vector_no == first_choice)
- vector_no = 0;
- atomic_inc(&dev->rrq_outstanding[vector_no]);
- if (dev->fibs_pushed_no == 0xffffffff)
- dev->fibs_pushed_no = 0;
- else
- dev->fibs_pushed_no++;
+ vector_no = fib->vector_no;
fib->hw_fib_va->header.Handle += (vector_no << 16);
+ } else {
+ vector_no = 0;
}

+ atomic_inc(&dev->rrq_outstanding[vector_no]);
+
if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) {
/* Calculate the amount to the fibsize bits */
fibsize = (hdr_size + 127) / 128 - 1;
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index a2f2c77..82529f9 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -1337,6 +1337,7 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct scsi_device *sdev,
case AHC_DEV_Q_TAGGED:
scsi_change_queue_depth(sdev,
dev->openings + dev->active);
+ break;
default:
/*
* We allow the OS to queue 2 untagged transactions to
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 7a6dbfb..32f827e 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4468,6 +4468,7 @@ put_shost:
scsi_host_put(phba->shost);
free_kset:
iscsi_boot_destroy_kset(phba->boot_kset);
+ phba->boot_kset = NULL;
return -ENOMEM;
}

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index f962118..6e7df4f 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2848,7 +2848,7 @@ lpfc_online(struct lpfc_hba *phba)
}

vports = lpfc_create_vport_work_array(phba);
- if (vports != NULL)
+ if (vports != NULL) {
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
struct Scsi_Host *shost;
shost = lpfc_shost_from_vport(vports[i]);
@@ -2865,7 +2865,8 @@ lpfc_online(struct lpfc_hba *phba)
}
spin_unlock_irq(shost->host_lock);
}
- lpfc_destroy_vport_work_array(phba, vports);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);

lpfc_unblock_mgmt_io(phba);
return 0;
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index ffe1096..9c385c0 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -6146,12 +6146,13 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
}

for (i = 0; i < ioc->sge_count; i++) {
- if (kbuff_arr[i])
+ if (kbuff_arr[i]) {
dma_free_coherent(&instance->pdev->dev,
le32_to_cpu(kern_sge32[i].length),
kbuff_arr[i],
le32_to_cpu(kern_sge32[i].phys_addr));
kbuff_arr[i] = NULL;
+ }
}

megasas_return_cmd(instance, cmd);
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 3bbf485..ec19293 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -652,7 +652,8 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
else
hp->dxfer_direction = (mxsize > 0) ? SG_DXFER_FROM_DEV : SG_DXFER_NONE;
hp->dxfer_len = mxsize;
- if (hp->dxfer_direction == SG_DXFER_TO_DEV)
+ if ((hp->dxfer_direction == SG_DXFER_TO_DEV) ||
+ (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV))
hp->dxferp = (char __user *)buf + cmd_size;
else
hp->dxferp = NULL;
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 68e7efe..661a416 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -199,6 +199,7 @@ struct rockchip_spi {
struct sg_table rx_sg;
struct rockchip_spi_dma_data dma_rx;
struct rockchip_spi_dma_data dma_tx;
+ struct dma_slave_caps dma_caps;
};

static inline void spi_enable_chip(struct rockchip_spi *rs, int enable)
@@ -265,7 +266,10 @@ static inline u32 rx_max(struct rockchip_spi *rs)
static void rockchip_spi_set_cs(struct spi_device *spi, bool enable)
{
u32 ser;
- struct rockchip_spi *rs = spi_master_get_devdata(spi->master);
+ struct spi_master *master = spi->master;
+ struct rockchip_spi *rs = spi_master_get_devdata(master);
+
+ pm_runtime_get_sync(rs->dev);

ser = readl_relaxed(rs->regs + ROCKCHIP_SPI_SER) & SER_MASK;

@@ -290,6 +294,8 @@ static void rockchip_spi_set_cs(struct spi_device *spi, bool enable)
ser &= ~(1 << spi->chip_select);

writel_relaxed(ser, rs->regs + ROCKCHIP_SPI_SER);
+
+ pm_runtime_put_sync(rs->dev);
}

static int rockchip_spi_prepare_message(struct spi_master *master,
@@ -449,7 +455,10 @@ static void rockchip_spi_prepare_dma(struct rockchip_spi *rs)
rxconf.direction = rs->dma_rx.direction;
rxconf.src_addr = rs->dma_rx.addr;
rxconf.src_addr_width = rs->n_bytes;
- rxconf.src_maxburst = rs->n_bytes;
+ if (rs->dma_caps.max_burst > 4)
+ rxconf.src_maxburst = 4;
+ else
+ rxconf.src_maxburst = 1;
dmaengine_slave_config(rs->dma_rx.ch, &rxconf);

rxdesc = dmaengine_prep_slave_sg(
@@ -466,7 +475,10 @@ static void rockchip_spi_prepare_dma(struct rockchip_spi *rs)
txconf.direction = rs->dma_tx.direction;
txconf.dst_addr = rs->dma_tx.addr;
txconf.dst_addr_width = rs->n_bytes;
- txconf.dst_maxburst = rs->n_bytes;
+ if (rs->dma_caps.max_burst > 4)
+ txconf.dst_maxburst = 4;
+ else
+ txconf.dst_maxburst = 1;
dmaengine_slave_config(rs->dma_tx.ch, &txconf);

txdesc = dmaengine_prep_slave_sg(
@@ -731,6 +743,7 @@ static int rockchip_spi_probe(struct platform_device *pdev)
}

if (rs->dma_tx.ch && rs->dma_rx.ch) {
+ dma_get_slave_caps(rs->dma_rx.ch, &(rs->dma_caps));
rs->dma_tx.addr = (dma_addr_t)(mem->start + ROCKCHIP_SPI_TXDR);
rs->dma_rx.addr = (dma_addr_t)(mem->start + ROCKCHIP_SPI_RXDR);
rs->dma_tx.direction = DMA_MEM_TO_DEV;
diff --git a/drivers/staging/android/ion/ion_test.c b/drivers/staging/android/ion/ion_test.c
index 7d6e6b6..1b86a33 100644
--- a/drivers/staging/android/ion/ion_test.c
+++ b/drivers/staging/android/ion/ion_test.c
@@ -284,8 +284,8 @@ static int __init ion_test_init(void)
{
ion_test_pdev = platform_device_register_simple("ion-test",
-1, NULL, 0);
- if (!ion_test_pdev)
- return -ENODEV;
+ if (IS_ERR(ion_test_pdev))
+ return PTR_ERR(ion_test_pdev);

return platform_driver_probe(&ion_test_platform_driver, ion_test_probe);
}
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 6cc304a..27fbf1a 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -246,24 +246,24 @@ static void ni_writel(struct comedi_device *dev, uint32_t data, int reg)
{
if (dev->mmio)
writel(data, dev->mmio + reg);
-
- outl(data, dev->iobase + reg);
+ else
+ outl(data, dev->iobase + reg);
}

static void ni_writew(struct comedi_device *dev, uint16_t data, int reg)
{
if (dev->mmio)
writew(data, dev->mmio + reg);
-
- outw(data, dev->iobase + reg);
+ else
+ outw(data, dev->iobase + reg);
}

static void ni_writeb(struct comedi_device *dev, uint8_t data, int reg)
{
if (dev->mmio)
writeb(data, dev->mmio + reg);
-
- outb(data, dev->iobase + reg);
+ else
+ outb(data, dev->iobase + reg);
}

static uint32_t ni_readl(struct comedi_device *dev, int reg)
diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c
index 9b124b0..bfd4c3b 100644
--- a/drivers/staging/comedi/drivers/ni_tiocmd.c
+++ b/drivers/staging/comedi/drivers/ni_tiocmd.c
@@ -92,7 +92,7 @@ static int ni_tio_input_inttrig(struct comedi_device *dev,
unsigned long flags;
int ret = 0;

- if (trig_num != cmd->start_src)
+ if (trig_num != cmd->start_arg)
return -EINVAL;

spin_lock_irqsave(&counter->lock, flags);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 9456f02..e591fbd 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2577,8 +2577,6 @@ void target_wait_for_sess_cmds(struct se_session *se_sess)

list_for_each_entry_safe(se_cmd, tmp_cmd,
&se_sess->sess_wait_list, se_cmd_list) {
- list_del_init(&se_cmd->se_cmd_list);
-
pr_debug("Waiting for se_cmd: %p t_state: %d, fabric state:"
" %d\n", se_cmd, se_cmd->t_state,
se_cmd->se_tfo->get_cmd_state(se_cmd));
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index c35d96e..aaa9fac 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -778,22 +778,16 @@ static int size_fifo(struct uart_8250_port *up)
*/
static unsigned int autoconfig_read_divisor_id(struct uart_8250_port *p)
{
- unsigned char old_dll, old_dlm, old_lcr;
- unsigned int id;
+ unsigned char old_lcr;
+ unsigned int id, old_dl;

old_lcr = serial_in(p, UART_LCR);
serial_out(p, UART_LCR, UART_LCR_CONF_MODE_A);
+ old_dl = serial_dl_read(p);
+ serial_dl_write(p, 0);
+ id = serial_dl_read(p);
+ serial_dl_write(p, old_dl);

- old_dll = serial_in(p, UART_DLL);
- old_dlm = serial_in(p, UART_DLM);
-
- serial_out(p, UART_DLL, 0);
- serial_out(p, UART_DLM, 0);
-
- id = serial_in(p, UART_DLL) | serial_in(p, UART_DLM) << 8;
-
- serial_out(p, UART_DLL, old_dll);
- serial_out(p, UART_DLM, old_dlm);
serial_out(p, UART_LCR, old_lcr);

return id;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index fa4e239..d37fdcc 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1114,6 +1114,9 @@ static int acm_probe(struct usb_interface *intf,
if (quirks == NO_UNION_NORMAL) {
data_interface = usb_ifnum_to_if(usb_dev, 1);
control_interface = usb_ifnum_to_if(usb_dev, 0);
+ /* we would crash */
+ if (!data_interface || !control_interface)
+ return -ENODEV;
goto skip_normal_probe;
}

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 818369a..7792c0e 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -499,11 +499,15 @@ static int usb_unbind_interface(struct device *dev)
int usb_driver_claim_interface(struct usb_driver *driver,
struct usb_interface *iface, void *priv)
{
- struct device *dev = &iface->dev;
+ struct device *dev;
struct usb_device *udev;
int retval = 0;
int lpm_disable_error;

+ if (!iface)
+ return -ENODEV;
+
+ dev = &iface->dev;
if (dev->driver)
return -EBUSY;

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 252807d..67f7e31 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4243,7 +4243,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
{
struct usb_device *hdev = hub->hdev;
struct usb_hcd *hcd = bus_to_hcd(hdev->bus);
- int i, j, retval;
+ int retries, operations, retval, i;
unsigned delay = HUB_SHORT_RESET_TIME;
enum usb_device_speed oldspeed = udev->speed;
const char *speed;
@@ -4345,7 +4345,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
* first 8 bytes of the device descriptor to get the ep0 maxpacket
* value.
*/
- for (i = 0; i < GET_DESCRIPTOR_TRIES; (++i, msleep(100))) {
+ for (retries = 0; retries < GET_DESCRIPTOR_TRIES; (++retries, msleep(100))) {
bool did_new_scheme = false;

if (use_new_scheme(udev, retry_counter)) {
@@ -4372,7 +4372,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
* 255 is for WUSB devices, we actually need to use
* 512 (WUSB1.0[4.8.1]).
*/
- for (j = 0; j < 3; ++j) {
+ for (operations = 0; operations < 3; ++operations) {
buf->bMaxPacketSize0 = 0;
r = usb_control_msg(udev, usb_rcvaddr0pipe(),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
@@ -4392,7 +4392,13 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
r = -EPROTO;
break;
}
- if (r == 0)
+ /*
+ * Some devices time out if they are powered on
+ * when already connected. They need a second
+ * reset. But only on the first attempt,
+ * lest we get into a time out/reset loop
+ */
+ if (r == 0 || (r == -ETIMEDOUT && retries == 0))
break;
}
udev->descriptor.bMaxPacketSize0 =
@@ -4424,7 +4430,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
* authorization will assign the final address.
*/
if (udev->wusb == 0) {
- for (j = 0; j < SET_ADDRESS_TRIES; ++j) {
+ for (operations = 0; operations < SET_ADDRESS_TRIES; ++operations) {
retval = hub_set_address(udev, devnum);
if (retval >= 0)
break;
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index c6bfd13..1950e87 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -787,6 +787,12 @@ static int iowarrior_probe(struct usb_interface *interface,
iface_desc = interface->cur_altsetting;
dev->product_id = le16_to_cpu(udev->descriptor.idProduct);

+ if (iface_desc->desc.bNumEndpoints < 1) {
+ dev_err(&interface->dev, "Invalid number of endpoints\n");
+ retval = -EINVAL;
+ goto error;
+ }
+
/* set up the endpoint information */
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 43b1caf..bf1ed71 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -812,7 +812,7 @@ static struct scsi_host_template uas_host_template = {
.slave_configure = uas_slave_configure,
.eh_abort_handler = uas_eh_abort_handler,
.eh_bus_reset_handler = uas_eh_bus_reset_handler,
- .can_queue = 65536, /* Is there a limit on the _host_ ? */
+ .can_queue = MAX_CMNDS,
.this_id = -1,
.sg_tablesize = SG_NONE,
.skip_settle_delay = 1,
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index f888561..6f2cdec 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -2246,7 +2246,6 @@ config XEN_FBDEV_FRONTEND
select FB_SYS_IMAGEBLIT
select FB_SYS_FOPS
select FB_DEFERRED_IO
- select INPUT_XEN_KBDDEV_FRONTEND if INPUT_MISC
select XEN_XENBUS_FRONTEND
default y
help
diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c
index 0081725c..d005100 100644
--- a/drivers/video/fbdev/da8xx-fb.c
+++ b/drivers/video/fbdev/da8xx-fb.c
@@ -209,8 +209,7 @@ static struct fb_videomode known_lcd_panels[] = {
.lower_margin = 2,
.hsync_len = 0,
.vsync_len = 0,
- .sync = FB_SYNC_CLK_INVERT |
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .sync = FB_SYNC_CLK_INVERT,
},
/* Sharp LK043T1DG01 */
[1] = {
@@ -224,7 +223,7 @@ static struct fb_videomode known_lcd_panels[] = {
.lower_margin = 2,
.hsync_len = 41,
.vsync_len = 10,
- .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .sync = 0,
.flag = 0,
},
[2] = {
@@ -239,7 +238,7 @@ static struct fb_videomode known_lcd_panels[] = {
.lower_margin = 10,
.hsync_len = 10,
.vsync_len = 10,
- .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .sync = 0,
.flag = 0,
},
[3] = {
diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c
index 71e78ef..3a75f3b 100644
--- a/drivers/watchdog/rc32434_wdt.c
+++ b/drivers/watchdog/rc32434_wdt.c
@@ -237,7 +237,7 @@ static long rc32434_wdt_ioctl(struct file *file, unsigned int cmd,
return -EINVAL;
/* Fall through */
case WDIOC_GETTIMEOUT:
- return copy_to_user(argp, &timeout, sizeof(int));
+ return copy_to_user(argp, &timeout, sizeof(int)) ? -EFAULT : 0;
default:
return -ENOTTY;
}
diff --git a/fs/coredump.c b/fs/coredump.c
index a8f7564..df6a1af 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -32,6 +32,9 @@
#include <linux/pipe_fs_i.h>
#include <linux/oom.h>
#include <linux/compat.h>
+#include <linux/sched.h>
+#include <linux/fs.h>
+#include <linux/path.h>

#include <asm/uaccess.h>
#include <asm/mmu_context.h>
@@ -628,6 +631,8 @@ void do_coredump(const siginfo_t *siginfo)
}
} else {
struct inode *inode;
+ int open_flags = O_CREAT | O_RDWR | O_NOFOLLOW |
+ O_LARGEFILE | O_EXCL;

if (cprm.limit < binfmt->min_coredump)
goto fail_unlock;
@@ -666,10 +671,27 @@ void do_coredump(const siginfo_t *siginfo)
* what matters is that at least one of the two processes
* writes its coredump successfully, not which one.
*/
- cprm.file = filp_open(cn.corename,
- O_CREAT | 2 | O_NOFOLLOW |
- O_LARGEFILE | O_EXCL,
- 0600);
+ if (need_suid_safe) {
+ /*
+ * Using user namespaces, normal user tasks can change
+ * their current->fs->root to point to arbitrary
+ * directories. Since the intention of the "only dump
+ * with a fully qualified path" rule is to control where
+ * coredumps may be placed using root privileges,
+ * current->fs->root must not be used. Instead, use the
+ * root directory of init_task.
+ */
+ struct path root;
+
+ task_lock(&init_task);
+ get_fs_root(init_task.fs, &root);
+ task_unlock(&init_task);
+ cprm.file = file_open_root(root.dentry, root.mnt,
+ cn.corename, open_flags, 0600);
+ path_put(&root);
+ } else {
+ cprm.file = filp_open(cn.corename, open_flags, 0600);
+ }
if (IS_ERR(cprm.file))
goto fail_unlock;

diff --git a/fs/fhandle.c b/fs/fhandle.c
index d59712d..ca3c3dd 100644
--- a/fs/fhandle.c
+++ b/fs/fhandle.c
@@ -228,7 +228,7 @@ long do_handle_open(int mountdirfd,
path_put(&path);
return fd;
}
- file = file_open_root(path.dentry, path.mnt, "", open_flag);
+ file = file_open_root(path.dentry, path.mnt, "", open_flag, 0);
if (IS_ERR(file)) {
put_unused_fd(fd);
retval = PTR_ERR(file);
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 5fa588e..d4facb3 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -283,13 +283,15 @@ locked_inode_to_wb_and_lock_list(struct inode *inode)
wb_get(wb);
spin_unlock(&inode->i_lock);
spin_lock(&wb->list_lock);
- wb_put(wb); /* not gonna deref it anymore */

/* i_wb may have changed inbetween, can't use inode_to_wb() */
- if (likely(wb == inode->i_wb))
- return wb; /* @inode already has ref */
+ if (likely(wb == inode->i_wb)) {
+ wb_put(wb); /* @inode already has ref */
+ return wb;
+ }

spin_unlock(&wb->list_lock);
+ wb_put(wb);
cpu_relax();
spin_lock(&inode->i_lock);
}
@@ -1330,10 +1332,10 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
* we go e.g. from filesystem. Flusher thread uses __writeback_single_inode()
* and does more profound writeback list handling in writeback_sb_inodes().
*/
-static int
-writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
- struct writeback_control *wbc)
+static int writeback_single_inode(struct inode *inode,
+ struct writeback_control *wbc)
{
+ struct bdi_writeback *wb;
int ret = 0;

spin_lock(&inode->i_lock);
@@ -1371,7 +1373,8 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
ret = __writeback_single_inode(inode, wbc);

wbc_detach_inode(wbc);
- spin_lock(&wb->list_lock);
+
+ wb = inode_to_wb_and_lock_list(inode);
spin_lock(&inode->i_lock);
/*
* If inode is clean, remove it from writeback lists. Otherwise don't
@@ -1442,6 +1445,7 @@ static long writeback_sb_inodes(struct super_block *sb,

while (!list_empty(&wb->b_io)) {
struct inode *inode = wb_inode(wb->b_io.prev);
+ struct bdi_writeback *tmp_wb;

if (inode->i_sb != sb) {
if (work->sb) {
@@ -1518,14 +1522,37 @@ static long writeback_sb_inodes(struct super_block *sb,
wbc_detach_inode(&wbc);
work->nr_pages -= write_chunk - wbc.nr_to_write;
wrote += write_chunk - wbc.nr_to_write;
- spin_lock(&wb->list_lock);
+
+ if (need_resched()) {
+ /*
+ * We're trying to balance between building up a nice
+ * long list of IOs to improve our merge rate, and
+ * getting those IOs out quickly for anyone throttling
+ * in balance_dirty_pages(). cond_resched() doesn't
+ * unplug, so get our IOs out the door before we
+ * give up the CPU.
+ */
+ blk_flush_plug(current);
+ cond_resched();
+ }
+
+ /*
+ * Requeue @inode if still dirty. Be careful as @inode may
+ * have been switched to another wb in the meantime.
+ */
+ tmp_wb = inode_to_wb_and_lock_list(inode);
spin_lock(&inode->i_lock);
if (!(inode->i_state & I_DIRTY_ALL))
wrote++;
- requeue_inode(inode, wb, &wbc);
+ requeue_inode(inode, tmp_wb, &wbc);
inode_sync_complete(inode);
spin_unlock(&inode->i_lock);
- cond_resched_lock(&wb->list_lock);
+
+ if (unlikely(tmp_wb != wb)) {
+ spin_unlock(&tmp_wb->list_lock);
+ spin_lock(&wb->list_lock);
+ }
+
/*
* bail out to wb_writeback() often enough to check
* background threshold and other termination conditions.
@@ -2303,7 +2330,6 @@ EXPORT_SYMBOL(sync_inodes_sb);
*/
int write_inode_now(struct inode *inode, int sync)
{
- struct bdi_writeback *wb = &inode_to_bdi(inode)->wb;
struct writeback_control wbc = {
.nr_to_write = LONG_MAX,
.sync_mode = sync ? WB_SYNC_ALL : WB_SYNC_NONE,
@@ -2315,7 +2341,7 @@ int write_inode_now(struct inode *inode, int sync)
wbc.nr_to_write = 0;

might_sleep();
- return writeback_single_inode(inode, wb, &wbc);
+ return writeback_single_inode(inode, &wbc);
}
EXPORT_SYMBOL(write_inode_now);

@@ -2332,7 +2358,7 @@ EXPORT_SYMBOL(write_inode_now);
*/
int sync_inode(struct inode *inode, struct writeback_control *wbc)
{
- return writeback_single_inode(inode, &inode_to_bdi(inode)->wb, wbc);
+ return writeback_single_inode(inode, wbc);
}
EXPORT_SYMBOL(sync_inode);

diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index 8e3ee19..c5b6b71 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -90,7 +90,7 @@ static struct list_head *cuse_conntbl_head(dev_t devt)

static ssize_t cuse_read_iter(struct kiocb *kiocb, struct iov_iter *to)
{
- struct fuse_io_priv io = { .async = 0, .file = kiocb->ki_filp };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(kiocb->ki_filp);
loff_t pos = 0;

return fuse_direct_io(&io, to, &pos, FUSE_DIO_CUSE);
@@ -98,7 +98,7 @@ static ssize_t cuse_read_iter(struct kiocb *kiocb, struct iov_iter *to)

static ssize_t cuse_write_iter(struct kiocb *kiocb, struct iov_iter *from)
{
- struct fuse_io_priv io = { .async = 0, .file = kiocb->ki_filp };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(kiocb->ki_filp);
loff_t pos = 0;
/*
* No locking or generic_write_checks(), the server is
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 195476a..b4aae5a 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -528,6 +528,11 @@ static void fuse_release_user_pages(struct fuse_req *req, int write)
}
}

+static void fuse_io_release(struct kref *kref)
+{
+ kfree(container_of(kref, struct fuse_io_priv, refcnt));
+}
+
static ssize_t fuse_get_res_by_io(struct fuse_io_priv *io)
{
if (io->err)
@@ -585,8 +590,9 @@ static void fuse_aio_complete(struct fuse_io_priv *io, int err, ssize_t pos)
}

io->iocb->ki_complete(io->iocb, res, 0);
- kfree(io);
}
+
+ kref_put(&io->refcnt, fuse_io_release);
}

static void fuse_aio_complete_req(struct fuse_conn *fc, struct fuse_req *req)
@@ -613,6 +619,7 @@ static size_t fuse_async_req_send(struct fuse_conn *fc, struct fuse_req *req,
size_t num_bytes, struct fuse_io_priv *io)
{
spin_lock(&io->lock);
+ kref_get(&io->refcnt);
io->size += num_bytes;
io->reqs++;
spin_unlock(&io->lock);
@@ -691,7 +698,7 @@ static void fuse_short_read(struct fuse_req *req, struct inode *inode,

static int fuse_do_readpage(struct file *file, struct page *page)
{
- struct fuse_io_priv io = { .async = 0, .file = file };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);
struct inode *inode = page->mapping->host;
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_req *req;
@@ -984,7 +991,7 @@ static size_t fuse_send_write_pages(struct fuse_req *req, struct file *file,
size_t res;
unsigned offset;
unsigned i;
- struct fuse_io_priv io = { .async = 0, .file = file };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);

for (i = 0; i < req->num_pages; i++)
fuse_wait_on_page_writeback(inode, req->pages[i]->index);
@@ -1398,7 +1405,7 @@ static ssize_t __fuse_direct_read(struct fuse_io_priv *io,

static ssize_t fuse_direct_read_iter(struct kiocb *iocb, struct iov_iter *to)
{
- struct fuse_io_priv io = { .async = 0, .file = iocb->ki_filp };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(iocb->ki_filp);
return __fuse_direct_read(&io, to, &iocb->ki_pos);
}

@@ -1406,7 +1413,7 @@ static ssize_t fuse_direct_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
- struct fuse_io_priv io = { .async = 0, .file = file };
+ struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);
ssize_t res;

if (is_bad_inode(inode))
@@ -2786,6 +2793,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
loff_t i_size;
size_t count = iov_iter_count(iter);
struct fuse_io_priv *io;
+ bool is_sync = is_sync_kiocb(iocb);

pos = offset;
inode = file->f_mapping->host;
@@ -2806,6 +2814,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
if (!io)
return -ENOMEM;
spin_lock_init(&io->lock);
+ kref_init(&io->refcnt);
io->reqs = 1;
io->bytes = -1;
io->size = 0;
@@ -2825,12 +2834,18 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
* to wait on real async I/O requests, so we must submit this request
* synchronously.
*/
- if (!is_sync_kiocb(iocb) && (offset + count > i_size) &&
+ if (!is_sync && (offset + count > i_size) &&
iov_iter_rw(iter) == WRITE)
io->async = false;

- if (io->async && is_sync_kiocb(iocb))
+ if (io->async && is_sync) {
+ /*
+ * Additional reference to keep io around after
+ * calling fuse_aio_complete()
+ */
+ kref_get(&io->refcnt);
io->done = &wait;
+ }

if (iov_iter_rw(iter) == WRITE) {
ret = fuse_direct_io(io, iter, &pos, FUSE_DIO_WRITE);
@@ -2843,14 +2858,14 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset)
fuse_aio_complete(io, ret < 0 ? ret : 0, -1);

/* we have a non-extending, async request, so return */
- if (!is_sync_kiocb(iocb))
+ if (!is_sync)
return -EIOCBQUEUED;

wait_for_completion(&wait);
ret = fuse_get_res_by_io(io);
}

- kfree(io);
+ kref_put(&io->refcnt, fuse_io_release);

if (iov_iter_rw(iter) == WRITE) {
if (ret > 0)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 4051131..604cd42 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -22,6 +22,7 @@
#include <linux/rbtree.h>
#include <linux/poll.h>
#include <linux/workqueue.h>
+#include <linux/kref.h>

/** Max number of pages that can be used in a single read request */
#define FUSE_MAX_PAGES_PER_REQ 32
@@ -243,6 +244,7 @@ struct fuse_args {

/** The request IO state (for asynchronous processing) */
struct fuse_io_priv {
+ struct kref refcnt;
int async;
spinlock_t lock;
unsigned reqs;
@@ -256,6 +258,13 @@ struct fuse_io_priv {
struct completion *done;
};

+#define FUSE_IO_PRIV_SYNC(f) \
+{ \
+ .refcnt = { ATOMIC_INIT(1) }, \
+ .async = 0, \
+ .file = f, \
+}
+
/**
* Request flags
*
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index fd2787a..76c3947 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1408,11 +1408,12 @@ out:
/**
* jbd2_mark_journal_empty() - Mark on disk journal as empty.
* @journal: The journal to update.
+ * @write_op: With which operation should we write the journal sb
*
* Update a journal's dynamic superblock fields to show that journal is empty.
* Write updated superblock to disk waiting for IO to complete.
*/
-static void jbd2_mark_journal_empty(journal_t *journal)
+static void jbd2_mark_journal_empty(journal_t *journal, int write_op)
{
journal_superblock_t *sb = journal->j_superblock;

@@ -1430,7 +1431,7 @@ static void jbd2_mark_journal_empty(journal_t *journal)
sb->s_start = cpu_to_be32(0);
read_unlock(&journal->j_state_lock);

- jbd2_write_superblock(journal, WRITE_FUA);
+ jbd2_write_superblock(journal, write_op);

/* Log is no longer empty */
write_lock(&journal->j_state_lock);
@@ -1715,7 +1716,13 @@ int jbd2_journal_destroy(journal_t *journal)
if (journal->j_sb_buffer) {
if (!is_journal_aborted(journal)) {
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_mark_journal_empty(journal);
+
+ write_lock(&journal->j_state_lock);
+ journal->j_tail_sequence =
+ ++journal->j_transaction_sequence;
+ write_unlock(&journal->j_state_lock);
+
+ jbd2_mark_journal_empty(journal, WRITE_FLUSH_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
} else
err = -EIO;
@@ -1974,7 +1981,7 @@ int jbd2_journal_flush(journal_t *journal)
* the magic code for a fully-recovered superblock. Any future
* commits of data to the journal will restore the current
* s_start value. */
- jbd2_mark_journal_empty(journal);
+ jbd2_mark_journal_empty(journal, WRITE_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
write_lock(&journal->j_state_lock);
J_ASSERT(!journal->j_running_transaction);
@@ -2020,7 +2027,7 @@ int jbd2_journal_wipe(journal_t *journal, int write)
if (write) {
/* Lock to make assertions happy... */
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_mark_journal_empty(journal);
+ jbd2_mark_journal_empty(journal, WRITE_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
}

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 90cfda7..aaa5b8f 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -879,6 +879,7 @@ nfsd4_secinfo(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
&exp, &dentry);
if (err)
return err;
+ fh_unlock(&cstate->current_fh);
if (d_really_is_negative(dentry)) {
exp_put(exp);
err = nfserr_noent;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index b81f725..02c0161 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1072,8 +1072,9 @@ nfsd4_decode_rename(struct nfsd4_compoundargs *argp, struct nfsd4_rename *rename

READ_BUF(4);
rename->rn_snamelen = be32_to_cpup(p++);
- READ_BUF(rename->rn_snamelen + 4);
+ READ_BUF(rename->rn_snamelen);
SAVEMEM(rename->rn_sname, rename->rn_snamelen);
+ READ_BUF(4);
rename->rn_tnamelen = be32_to_cpup(p++);
READ_BUF(rename->rn_tnamelen);
SAVEMEM(rename->rn_tname, rename->rn_tnamelen);
@@ -1155,13 +1156,14 @@ nfsd4_decode_setclientid(struct nfsd4_compoundargs *argp, struct nfsd4_setclient
READ_BUF(8);
setclientid->se_callback_prog = be32_to_cpup(p++);
setclientid->se_callback_netid_len = be32_to_cpup(p++);
-
- READ_BUF(setclientid->se_callback_netid_len + 4);
+ READ_BUF(setclientid->se_callback_netid_len);
SAVEMEM(setclientid->se_callback_netid_val, setclientid->se_callback_netid_len);
+ READ_BUF(4);
setclientid->se_callback_addr_len = be32_to_cpup(p++);

- READ_BUF(setclientid->se_callback_addr_len + 4);
+ READ_BUF(setclientid->se_callback_addr_len);
SAVEMEM(setclientid->se_callback_addr_val, setclientid->se_callback_addr_len);
+ READ_BUF(4);
setclientid->se_callback_ident = be32_to_cpup(p++);

DECODE_TAIL;
@@ -1815,8 +1817,9 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)

READ_BUF(4);
argp->taglen = be32_to_cpup(p++);
- READ_BUF(argp->taglen + 8);
+ READ_BUF(argp->taglen);
SAVEMEM(argp->tag, argp->taglen);
+ READ_BUF(8);
argp->minorversion = be32_to_cpup(p++);
argp->opcnt = be32_to_cpup(p++);
max_reply += 4 + (XDR_QUADLEN(argp->taglen) << 2);
diff --git a/fs/ocfs2/dlm/dlmconvert.c b/fs/ocfs2/dlm/dlmconvert.c
index e36d63f..f909313 100644
--- a/fs/ocfs2/dlm/dlmconvert.c
+++ b/fs/ocfs2/dlm/dlmconvert.c
@@ -262,6 +262,7 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
struct dlm_lock *lock, int flags, int type)
{
enum dlm_status status;
+ u8 old_owner = res->owner;

mlog(0, "type=%d, convert_type=%d, busy=%d\n", lock->ml.type,
lock->ml.convert_type, res->state & DLM_LOCK_RES_IN_PROGRESS);
@@ -287,6 +288,19 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
status = DLM_DENIED;
goto bail;
}
+
+ if (lock->ml.type == type && lock->ml.convert_type == LKM_IVMODE) {
+ mlog(0, "last convert request returned DLM_RECOVERING, but "
+ "owner has already queued and sent ast to me. res %.*s, "
+ "(cookie=%u:%llu, type=%d, conv=%d)\n",
+ res->lockname.len, res->lockname.name,
+ dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
+ dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)),
+ lock->ml.type, lock->ml.convert_type);
+ status = DLM_NORMAL;
+ goto bail;
+ }
+
res->state |= DLM_LOCK_RES_IN_PROGRESS;
/* move lock to local convert queue */
/* do not alter lock refcount. switching lists. */
@@ -316,11 +330,19 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
spin_lock(&res->spinlock);
res->state &= ~DLM_LOCK_RES_IN_PROGRESS;
lock->convert_pending = 0;
- /* if it failed, move it back to granted queue */
+ /* if it failed, move it back to granted queue.
+ * if master returns DLM_NORMAL and then down before sending ast,
+ * it may have already been moved to granted queue, reset to
+ * DLM_RECOVERING and retry convert */
if (status != DLM_NORMAL) {
if (status != DLM_NOTQUEUED)
dlm_error(status);
dlm_revert_pending_convert(res, lock);
+ } else if ((res->state & DLM_LOCK_RES_RECOVERING) ||
+ (old_owner != res->owner)) {
+ mlog(0, "res %.*s is in recovering or has been recovered.\n",
+ res->lockname.len, res->lockname.name);
+ status = DLM_RECOVERING;
}
bail:
spin_unlock(&res->spinlock);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index f25ff5d..dad6d84 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2064,7 +2064,6 @@ void dlm_move_lockres_to_recovery_list(struct dlm_ctxt *dlm,
dlm_lock_get(lock);
if (lock->convert_pending) {
/* move converting lock back to granted */
- BUG_ON(i != DLM_CONVERTING_LIST);
mlog(0, "node died with convert pending "
"on %.*s. move back to granted list.\n",
res->lockname.len, res->lockname.name);
diff --git a/fs/open.c b/fs/open.c
index e33dab2..50958c2 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -995,14 +995,12 @@ struct file *filp_open(const char *filename, int flags, umode_t mode)
EXPORT_SYMBOL(filp_open);

struct file *file_open_root(struct dentry *dentry, struct vfsmount *mnt,
- const char *filename, int flags)
+ const char *filename, int flags, umode_t mode)
{
struct open_flags op;
- int err = build_open_flags(flags, 0, &op);
+ int err = build_open_flags(flags, mode, &op);
if (err)
return ERR_PTR(err);
- if (flags & O_CREAT)
- return ERR_PTR(-EINVAL);
return do_file_open_root(dentry, mnt, filename, &op);
}
EXPORT_SYMBOL(file_open_root);
diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 8ebd9a3..876459559 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -197,6 +197,8 @@ static int show_vfsstat(struct seq_file *m, struct vfsmount *mnt)
if (sb->s_op->show_devname) {
seq_puts(m, "device ");
err = sb->s_op->show_devname(m, mnt_path.dentry);
+ if (err)
+ goto out;
} else {
if (r->mnt_devname) {
seq_puts(m, "device ");
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 20d1f74..19c777a 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -1393,7 +1393,7 @@ static int dquot_active(const struct inode *inode)
static void __dquot_initialize(struct inode *inode, int type)
{
int cnt, init_needed = 0;
- struct dquot **dquots, *got[MAXQUOTAS];
+ struct dquot **dquots, *got[MAXQUOTAS] = {};
struct super_block *sb = inode->i_sb;
qsize_t rsv;

@@ -1408,7 +1408,6 @@ static void __dquot_initialize(struct inode *inode, int type)
kprojid_t projid;
int rc;

- got[cnt] = NULL;
if (type != -1 && cnt != type)
continue;
/*
diff --git a/fs/splice.c b/fs/splice.c
index 014657c..27c0f34 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -185,6 +185,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
unsigned int spd_pages = spd->nr_pages;
int ret, do_wakeup, page_nr;

+ if (!spd_pages)
+ return 0;
+
ret = 0;
do_wakeup = 0;
page_nr = 0;
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 65fb37a..8f7e09d 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -202,8 +202,10 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
sbp->namelen,
sbp->valuelen,
&sbp->name[sbp->namelen]);
- if (error)
+ if (error) {
+ kmem_free(sbuf);
return error;
+ }
if (context->seen_enough)
break;
cursor->offset++;
@@ -454,14 +456,13 @@ xfs_attr3_leaf_list_int(
args.rmtblkcnt = xfs_attr3_rmt_blocks(
args.dp->i_mount, valuelen);
retval = xfs_attr_rmtval_get(&args);
- if (retval)
- return retval;
- retval = context->put_listent(context,
- entry->flags,
- name_rmt->name,
- (int)name_rmt->namelen,
- valuelen,
- args.value);
+ if (!retval)
+ retval = context->put_listent(context,
+ entry->flags,
+ name_rmt->name,
+ (int)name_rmt->namelen,
+ valuelen,
+ args.value);
kmem_free(args.value);
} else {
retval = context->put_listent(context,
diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h
index c30266e..8ef0ccb 100644
--- a/include/asm-generic/bitops/lock.h
+++ b/include/asm-generic/bitops/lock.h
@@ -29,16 +29,16 @@ do { \
* @nr: the bit to set
* @addr: the address to start counting from
*
- * This operation is like clear_bit_unlock, however it is not atomic.
- * It does provide release barrier semantics so it can be used to unlock
- * a bit lock, however it would only be used if no other CPU can modify
- * any bits in the memory until the lock is released (a good example is
- * if the bit lock itself protects access to the other bits in the word).
+ * A weaker form of clear_bit_unlock() as used by __bit_lock_unlock(). If all
+ * the bits in the word are protected by this lock some archs can use weaker
+ * ops to safely unlock.
+ *
+ * See for example x86's implementation.
*/
#define __clear_bit_unlock(nr, addr) \
do { \
- smp_mb(); \
- __clear_bit(nr, addr); \
+ smp_mb__before_atomic(); \
+ clear_bit(nr, addr); \
} while (0)

#endif /* _ASM_GENERIC_BITOPS_LOCK_H_ */
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 78842f4..c707cfbe 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -362,6 +362,7 @@ struct clk_divider {
#define CLK_DIVIDER_READ_ONLY BIT(5)

extern const struct clk_ops clk_divider_ops;
+extern const struct clk_ops clk_divider_ro_ops;

unsigned long divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate,
unsigned int val, const struct clk_div_table *table,
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 81ef938..ab5f912 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -552,6 +552,7 @@ struct ablkcipher_tfm {

unsigned int ivsize;
unsigned int reqsize;
+ bool has_setkey;
};

struct blkcipher_tfm {
@@ -922,6 +923,13 @@ static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm,
return crt->setkey(crt->base, key, keylen);
}

+static inline bool crypto_ablkcipher_has_setkey(struct crypto_ablkcipher *tfm)
+{
+ struct ablkcipher_tfm *crt = crypto_ablkcipher_crt(tfm);
+
+ return crt->has_setkey;
+}
+
/**
* crypto_ablkcipher_reqtfm() - obtain cipher handle from request
* @req: ablkcipher_request out of which the cipher handle is to be obtained
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 51cc1de..30c8971b 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -127,6 +127,8 @@ struct dm_dev {
char name[16];
};

+dev_t dm_get_dev_t(const char *path);
+
/*
* Constructors should call these functions to ensure destination devices
* are opened/closed correctly.
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 84b783f..5f59f86 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2222,7 +2222,7 @@ extern long do_sys_open(int dfd, const char __user *filename, int flags,
extern struct file *file_open_name(struct filename *, int, umode_t);
extern struct file *filp_open(const char *, int, umode_t);
extern struct file *file_open_root(struct dentry *, struct vfsmount *,
- const char *, int);
+ const char *, int, umode_t);
extern struct file * dentry_open(const struct path *, int, const struct cred *);
extern int filp_close(struct file *, fl_owner_t id);

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index c8393cd..f819425 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -22,6 +22,7 @@ struct seq_file;
* @dev: optional device providing the GPIOs
* @cdev: class device used by sysfs interface (may be NULL)
* @owner: helps prevent removal of modules exporting active GPIOs
+ * @data: per-instance data assigned by the driver
* @list: links gpio_chips together for traversal
* @request: optional hook for chip-specific activation, such as
* enabling module power and clock; may sleep
@@ -80,6 +81,7 @@ struct gpio_chip {
struct device *dev;
struct device *cdev;
struct module *owner;
+ void *data;
struct list_head list;

int (*request)(struct gpio_chip *chip,
@@ -153,7 +155,11 @@ extern const char *gpiochip_is_requested(struct gpio_chip *chip,
unsigned offset);

/* add/remove chips */
-extern int gpiochip_add(struct gpio_chip *chip);
+extern int gpiochip_add_data(struct gpio_chip *chip, void *data);
+static inline int gpiochip_add(struct gpio_chip *chip)
+{
+ return gpiochip_add_data(chip, NULL);
+}
extern void gpiochip_remove(struct gpio_chip *chip);
extern struct gpio_chip *gpiochip_find(void *data,
int (*match)(struct gpio_chip *chip, void *data));
@@ -162,6 +168,12 @@ extern struct gpio_chip *gpiochip_find(void *data,
int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset);
void gpiochip_unlock_as_irq(struct gpio_chip *chip, unsigned int offset);

+/* get driver data */
+static inline void *gpiochip_get_data(struct gpio_chip *chip)
+{
+ return chip->data;
+}
+
struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc);

#ifdef CONFIG_GPIOLIB_IRQCHIP
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 5582410..73e6f3b 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -605,7 +605,7 @@ do { \

#define do_trace_printk(fmt, args...) \
do { \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
@@ -649,7 +649,7 @@ int __trace_printk(unsigned long ip, const char *fmt, ...);
*/

#define trace_puts(str) ({ \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(str) ? str : NULL; \
\
@@ -671,7 +671,7 @@ extern void trace_dump_stack(int skip);
#define ftrace_vprintk(fmt, vargs) \
do { \
if (__builtin_constant_p(fmt)) { \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 5722d88..26d92aa 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -54,7 +54,7 @@ enum {
/* one minute for the sake of bringup. Generally, commands must always
* complete and we may need to increase this timeout value
*/
- MLX5_CMD_TIMEOUT_MSEC = 7200 * 1000,
+ MLX5_CMD_TIMEOUT_MSEC = 60 * 1000,
MLX5_CMD_WQ_MAX_NAME = 32,
};

diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
index 29975c7..d013559 100644
--- a/include/linux/mtd/map.h
+++ b/include/linux/mtd/map.h
@@ -238,8 +238,11 @@ struct map_info {
If there is no cache to care about this can be set to NULL. */
void (*inval_cache)(struct map_info *, unsigned long, ssize_t);

- /* set_vpp() must handle being reentered -- enable, enable, disable
- must leave it enabled. */
+ /* This will be called with 1 as parameter when the first map user
+ * needs VPP, and called with 0 when the last user exits. The map
+ * core maintains a reference counter, and assumes that VPP is a
+ * global resource applying to all mapped flash chips on the system.
+ */
void (*set_vpp)(struct map_info *, int);

unsigned long pfow_base;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 5b098ed..d93b2cb 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -358,6 +358,7 @@ struct pci_dev {
unsigned int io_window_1k:1; /* Intel P2P bridge 1K I/O windows */
unsigned int irq_managed:1;
unsigned int has_secondary_link:1;
+ unsigned int non_compliant_bars:1; /* broken BARs; ignore them */
pci_dev_flags_t dev_flags;
atomic_t enable_cnt; /* pci_enable_device has been called */

diff --git a/include/linux/poison.h b/include/linux/poison.h
index 2110a81..253c9b4 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -19,8 +19,8 @@
* under normal circumstances, used to verify that nobody uses
* non-initialized list entries.
*/
-#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA)
-#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA)
+#define LIST_POISON1 ((void *) 0x100 + POISON_POINTER_DELTA)
+#define LIST_POISON2 ((void *) 0x200 + POISON_POINTER_DELTA)

/********** include/linux/timer.h **********/
/*
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 342a760..245524a2 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -592,7 +592,7 @@ static inline int tty_ldisc_receive_buf(struct tty_ldisc *ld, unsigned char *p,
count = ld->ops->receive_buf2(ld->tty, p, f, count);
else {
count = min_t(int, count, ld->tty->receive_room);
- if (count)
+ if (count && ld->ops->receive_buf)
ld->ops->receive_buf(ld->tty, p, f, count);
}
return count;
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 4e3731e..cd85945 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1584,6 +1584,23 @@ static inline void ip_vs_conn_drop_conntrack(struct ip_vs_conn *cp)
}
#endif /* CONFIG_IP_VS_NFCT */

+/* Really using conntrack? */
+static inline bool ip_vs_conn_uses_conntrack(struct ip_vs_conn *cp,
+ struct sk_buff *skb)
+{
+#ifdef CONFIG_IP_VS_NFCT
+ enum ip_conntrack_info ctinfo;
+ struct nf_conn *ct;
+
+ if (!(cp->flags & IP_VS_CONN_F_NFCT))
+ return false;
+ ct = nf_ct_get(skb, &ctinfo);
+ if (ct && !nf_ct_is_untracked(ct))
+ return true;
+#endif
+ return false;
+}
+
static inline int
ip_vs_dest_conn_overhead(struct ip_vs_dest *dest)
{
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index 1447ec0..c2e2bad 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -171,7 +171,7 @@ static u64 bpf_get_current_comm(u64 r1, u64 size, u64 r3, u64 r4, u64 r5)
if (!task)
return -EINVAL;

- memcpy(buf, task->comm, min_t(size_t, size, sizeof(task->comm)));
+ strlcpy(buf, task->comm, min_t(size_t, size, sizeof(task->comm)));
return 0;
}

diff --git a/kernel/events/core.c b/kernel/events/core.c
index d86859f..ca03e01 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7672,6 +7672,9 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
}
}

+ /* symmetric to unaccount_event() in _free_event() */
+ account_event(event);
+
return event;

err_per_task:
@@ -8035,8 +8038,6 @@ SYSCALL_DEFINE5(perf_event_open,
}
}

- account_event(event);
-
/*
* Special case software events and allow them to be part of
* any hardware group.
@@ -8296,8 +8297,6 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu,
/* Mark owner so we could distinguish it from user events. */
event->owner = EVENT_OWNER_KERNEL;

- account_event(event);
-
ctx = find_get_context(event->pmu, task, event);
if (IS_ERR(ctx)) {
err = PTR_ERR(ctx);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 99cc1f4..5a7f856 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5377,6 +5377,7 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)

case CPU_UP_PREPARE:
rq->calc_load_update = calc_load_update;
+ account_reset_rq(rq);
break;

case CPU_ONLINE:
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index f5a64ff..ce34c6e 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -259,21 +259,21 @@ static __always_inline bool steal_account_process_tick(void)
#ifdef CONFIG_PARAVIRT
if (static_key_false(&paravirt_steal_enabled)) {
u64 steal;
- cputime_t steal_ct;
+ unsigned long steal_jiffies;

steal = paravirt_steal_clock(smp_processor_id());
steal -= this_rq()->prev_steal_time;

/*
- * cputime_t may be less precise than nsecs (eg: if it's
- * based on jiffies). Lets cast the result to cputime
+ * steal is in nsecs but our caller is expecting steal
+ * time in jiffies. Lets cast the result to jiffies
* granularity and account the rest on the next rounds.
*/
- steal_ct = nsecs_to_cputime(steal);
- this_rq()->prev_steal_time += cputime_to_nsecs(steal_ct);
+ steal_jiffies = nsecs_to_jiffies(steal);
+ this_rq()->prev_steal_time += jiffies_to_nsecs(steal_jiffies);

- account_steal_time(steal_ct);
- return steal_ct;
+ account_steal_time(jiffies_to_cputime(steal_jiffies));
+ return steal_jiffies;
}
#endif
return false;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 08ab96b..a3c331f 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1771,3 +1771,16 @@ static inline u64 irq_time_read(int cpu)
}
#endif /* CONFIG_64BIT */
#endif /* CONFIG_IRQ_TIME_ACCOUNTING */
+
+static inline void account_reset_rq(struct rq *rq)
+{
+#ifdef CONFIG_IRQ_TIME_ACCOUNTING
+ rq->prev_irq_time = 0;
+#endif
+#ifdef CONFIG_PARAVIRT
+ rq->prev_steal_time = 0;
+#endif
+#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING
+ rq->prev_steal_time_rq = 0;
+#endif
+}
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 7e7746a..10a1d7d 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1321,7 +1321,7 @@ static ssize_t binary_sysctl(const int *name, int nlen,
}

mnt = task_active_pid_ns(current)->proc_mnt;
- file = file_open_root(mnt->mnt_root, mnt, pathname, flags);
+ file = file_open_root(mnt->mnt_root, mnt, pathname, flags, 0);
result = PTR_ERR(file);
if (IS_ERR(file))
goto out_putname;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 126f8f6..8693c83 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4917,7 +4917,10 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,

spd.nr_pages = i;

- ret = splice_to_pipe(pipe, &spd);
+ if (i)
+ ret = splice_to_pipe(pipe, &spd);
+ else
+ ret = 0;
out:
splice_shrink_spd(&spd);
return ret;
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index 8523ea3..22d9230 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -116,8 +116,12 @@ static int func_prolog_dec(struct trace_array *tr,
return 0;

local_save_flags(*flags);
- /* slight chance to get a false positive on tracing_cpu */
- if (!irqs_disabled_flags(*flags))
+ /*
+ * Slight chance to get a false positive on tracing_cpu,
+ * although I'm starting to think there isn't a chance.
+ * Leave this for now just to be paranoid.
+ */
+ if (!irqs_disabled_flags(*flags) && !preempt_count())
return 0;

*data = per_cpu_ptr(tr->trace_buffer.data, cpu);
diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c
index 2dbffe2..866902c 100644
--- a/kernel/trace/trace_printk.c
+++ b/kernel/trace/trace_printk.c
@@ -290,6 +290,9 @@ static int t_show(struct seq_file *m, void *v)
const char *str = *fmt;
int i;

+ if (!*fmt)
+ return 0;
+
seq_printf(m, "0x%lx : \"", *(unsigned long *)fmt);

/*
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index a6ffa43..8389aaf 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -823,6 +823,9 @@ static int proc_watchdog_common(int which, struct ctl_table *table, int write,
* Update the run state of the lockup detectors.
* Restore 'watchdog_enabled' on failure.
*/
+ if (old == new)
+ goto out;
+
err = proc_watchdog_update();
if (err)
watchdog_enabled = old;
@@ -868,7 +871,7 @@ int proc_soft_watchdog(struct ctl_table *table, int write,
int proc_watchdog_thresh(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
- int err, old;
+ int err, old, new;

mutex_lock(&watchdog_proc_mutex);

@@ -882,6 +885,10 @@ int proc_watchdog_thresh(struct ctl_table *table, int write,
* Update the sample period.
* Restore 'watchdog_thresh' on failure.
*/
+ new = ACCESS_ONCE(watchdog_thresh);
+ if (old == new)
+ goto out;
+
set_sample_period();
err = proc_watchdog_update();
if (err)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 48540e5..d5ff354 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1551,7 +1551,7 @@ static unsigned long mem_cgroup_get_limit(struct mem_cgroup *memcg)
return limit;
}

-static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
+static bool mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
int order)
{
struct mem_cgroup *iter;
@@ -1624,6 +1624,7 @@ static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
}
unlock:
mutex_unlock(&oom_lock);
+ return chosen;
}

#if MAX_NUMNODES > 1
@@ -5422,6 +5423,7 @@ static ssize_t memory_high_write(struct kernfs_open_file *of,
char *buf, size_t nbytes, loff_t off)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of));
+ unsigned long nr_pages;
unsigned long high;
int err;

@@ -5432,6 +5434,11 @@ static ssize_t memory_high_write(struct kernfs_open_file *of,

memcg->high = high;

+ nr_pages = page_counter_read(&memcg->memory);
+ if (nr_pages > high)
+ try_to_free_mem_cgroup_pages(memcg, nr_pages - high,
+ GFP_KERNEL, true);
+
memcg_wb_domain_size_changed(memcg);
return nbytes;
}
@@ -5453,6 +5460,8 @@ static ssize_t memory_max_write(struct kernfs_open_file *of,
char *buf, size_t nbytes, loff_t off)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of));
+ unsigned int nr_reclaims = MEM_CGROUP_RECLAIM_RETRIES;
+ bool drained = false;
unsigned long max;
int err;

@@ -5461,9 +5470,36 @@ static ssize_t memory_max_write(struct kernfs_open_file *of,
if (err)
return err;

- err = mem_cgroup_resize_limit(memcg, max);
- if (err)
- return err;
+ xchg(&memcg->memory.limit, max);
+
+ for (;;) {
+ unsigned long nr_pages = page_counter_read(&memcg->memory);
+
+ if (nr_pages <= max)
+ break;
+
+ if (signal_pending(current)) {
+ err = -EINTR;
+ break;
+ }
+
+ if (!drained) {
+ drain_all_stock(memcg);
+ drained = true;
+ continue;
+ }
+
+ if (nr_reclaims) {
+ if (!try_to_free_mem_cgroup_pages(memcg, nr_pages - max,
+ GFP_KERNEL, true))
+ nr_reclaims--;
+ continue;
+ }
+
+ mem_cgroup_events(memcg, MEMCG_OOM, 1);
+ if (!mem_cgroup_out_of_memory(memcg, GFP_KERNEL, 0))
+ break;
+ }

memcg_wb_domain_size_changed(memcg);
return nbytes;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5b5240b..240c22d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -635,34 +635,28 @@ static inline void __free_one_page(struct page *page,
unsigned long combined_idx;
unsigned long uninitialized_var(buddy_idx);
struct page *buddy;
- int max_order = MAX_ORDER;
+ unsigned int max_order;
+
+ max_order = min_t(unsigned int, MAX_ORDER, pageblock_order + 1);

VM_BUG_ON(!zone_is_initialized(zone));
VM_BUG_ON_PAGE(page->flags & PAGE_FLAGS_CHECK_AT_PREP, page);

VM_BUG_ON(migratetype == -1);
- if (is_migrate_isolate(migratetype)) {
- /*
- * We restrict max order of merging to prevent merge
- * between freepages on isolate pageblock and normal
- * pageblock. Without this, pageblock isolation
- * could cause incorrect freepage accounting.
- */
- max_order = min(MAX_ORDER, pageblock_order + 1);
- } else {
+ if (likely(!is_migrate_isolate(migratetype)))
__mod_zone_freepage_state(zone, 1 << order, migratetype);
- }

- page_idx = pfn & ((1 << max_order) - 1);
+ page_idx = pfn & ((1 << MAX_ORDER) - 1);

VM_BUG_ON_PAGE(page_idx & ((1 << order) - 1), page);
VM_BUG_ON_PAGE(bad_range(zone, page), page);

+continue_merging:
while (order < max_order - 1) {
buddy_idx = __find_buddy_index(page_idx, order);
buddy = page + (buddy_idx - page_idx);
if (!page_is_buddy(page, buddy, order))
- break;
+ goto done_merging;
/*
* Our buddy is free or it is CONFIG_DEBUG_PAGEALLOC guard page,
* merge with it and move up one order.
@@ -679,6 +673,32 @@ static inline void __free_one_page(struct page *page,
page_idx = combined_idx;
order++;
}
+ if (max_order < MAX_ORDER) {
+ /* If we are here, it means order is >= pageblock_order.
+ * We want to prevent merge between freepages on isolate
+ * pageblock and normal pageblock. Without this, pageblock
+ * isolation could cause incorrect freepage or CMA accounting.
+ *
+ * We don't want to hit this code for the more frequent
+ * low-order merging.
+ */
+ if (unlikely(has_isolate_pageblock(zone))) {
+ int buddy_mt;
+
+ buddy_idx = __find_buddy_index(page_idx, order);
+ buddy = page + (buddy_idx - page_idx);
+ buddy_mt = get_pageblock_migratetype(buddy);
+
+ if (migratetype != buddy_mt
+ && (is_migrate_isolate(migratetype) ||
+ is_migrate_isolate(buddy_mt)))
+ goto done_merging;
+ }
+ max_order++;
+ goto continue_merging;
+ }
+
+done_merging:
set_page_order(page, order);

/*
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index e32a9e4..3750b37 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -7135,6 +7135,10 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev,
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
status);

+ if (data_len != sizeof(*cp) + cp->adv_data_len + cp->scan_rsp_len)
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+ MGMT_STATUS_INVALID_PARAMS);
+
flags = __le32_to_cpu(cp->flags);
timeout = __le16_to_cpu(cp->timeout);
duration = __le16_to_cpu(cp->duration);
diff --git a/net/core/dev.c b/net/core/dev.c
index f1f1dd8..79a39de 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6065,6 +6065,7 @@ EXPORT_SYMBOL(dev_get_phys_port_id);
* dev_get_phys_port_name - Get device physical port name
* @dev: device
* @name: port name
+ * @len: limit of bytes to copy to name
*
* Get device physical port name
*/
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 6de5b8f..7497f15 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1431,6 +1431,13 @@ out_unlock:
return err;
}

+static int ipip_gro_complete(struct sk_buff *skb, int nhoff)
+{
+ skb->encapsulation = 1;
+ skb_shinfo(skb)->gso_type |= SKB_GSO_IPIP;
+ return inet_gro_complete(skb, nhoff);
+}
+
int inet_ctl_sock_create(struct sock **sk, unsigned short family,
unsigned short type, unsigned char protocol,
struct net *net)
@@ -1646,7 +1653,7 @@ static const struct net_offload ipip_offload = {
.callbacks = {
.gso_segment = inet_gso_segment,
.gro_receive = inet_gro_receive,
- .gro_complete = inet_gro_complete,
+ .gro_complete = ipip_gro_complete,
},
};

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 0420012..eb1ff7c 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -334,6 +334,9 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,

ASSERT_RTNL();

+ if (in_dev->dead)
+ goto no_promotions;
+
/* 1. Deleting primary ifaddr forces deletion all secondaries
* unless alias promotion is set
**/
@@ -380,6 +383,7 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
fib_del_ifaddr(ifa, ifa1);
}

+no_promotions:
/* 2. Unlink it */

*ifap = ifa1->ifa_next;
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index d7116cf..fb963ae 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -876,6 +876,9 @@ void fib_del_ifaddr(struct in_ifaddr *ifa, struct in_ifaddr *iprim)
subnet = 1;
}

+ if (in_dev->dead)
+ goto no_promotions;
+
/* Deletion is more complicated than add.
* We should take care of not to delete too much :-)
*
@@ -951,6 +954,7 @@ void fib_del_ifaddr(struct in_ifaddr *ifa, struct in_ifaddr *iprim)
}
}

+no_promotions:
if (!(ok & BRD_OK))
fib_magic(RTM_DELROUTE, RTN_BROADCAST, ifa->ifa_broadcast, 32, prim);
if (subnet && ifa->ifa_prefixlen < 31) {
diff --git a/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c b/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c
index c6eb421..ea91058 100644
--- a/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c
+++ b/net/ipv4/netfilter/nf_nat_masquerade_ipv4.c
@@ -108,10 +108,18 @@ static int masq_inet_event(struct notifier_block *this,
unsigned long event,
void *ptr)
{
- struct net_device *dev = ((struct in_ifaddr *)ptr)->ifa_dev->dev;
+ struct in_device *idev = ((struct in_ifaddr *)ptr)->ifa_dev;
struct netdev_notifier_info info;

- netdev_notifier_info_init(&info, dev);
+ /* The masq_dev_notifier will catch the case of the device going
+ * down. So if the inetdev is dead and being destroyed we have
+ * no work to do. Otherwise this is an individual address removal
+ * and we have to perform the flush.
+ */
+ if (idev->dead)
+ return NOTIFY_DONE;
+
+ netdev_notifier_info_init(&info, idev->dev);
return masq_device_event(this, event, &info);
}

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index a390174..031752e 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1979,10 +1979,14 @@ void udp_v4_early_demux(struct sk_buff *skb)
if (!in_dev)
return;

- ours = ip_check_mc_rcu(in_dev, iph->daddr, iph->saddr,
- iph->protocol);
- if (!ours)
- return;
+ /* we are supposed to accept bcast packets */
+ if (skb->pkt_type == PACKET_MULTICAST) {
+ ours = ip_check_mc_rcu(in_dev, iph->daddr, iph->saddr,
+ iph->protocol);
+ if (!ours)
+ return;
+ }
+
sk = __udp4_lib_mcast_demux_lookup(net, uh->dest, iph->daddr,
uh->source, iph->saddr, dif);
} else if (skb->pkt_type == PACKET_HOST) {
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 20fa58e..f45c4f8 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -7,6 +7,7 @@
* Copyright 2007, Michael Wu <flamingice@xxxxxxxxxxxx>
* Copyright 2009, Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
* Copyright 2013-2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -1482,14 +1483,21 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)

sdata_info(sdata, "Trigger new scan to find an IBSS to join\n");

- num = ieee80211_ibss_setup_scan_channels(local->hw.wiphy,
- &ifibss->chandef,
- channels,
- ARRAY_SIZE(channels));
scan_width = cfg80211_chandef_to_scan_width(&ifibss->chandef);
- ieee80211_request_ibss_scan(sdata, ifibss->ssid,
- ifibss->ssid_len, channels, num,
- scan_width);
+
+ if (ifibss->fixed_channel) {
+ num = ieee80211_ibss_setup_scan_channels(local->hw.wiphy,
+ &ifibss->chandef,
+ channels,
+ ARRAY_SIZE(channels));
+ ieee80211_request_ibss_scan(sdata, ifibss->ssid,
+ ifibss->ssid_len, channels,
+ num, scan_width);
+ } else {
+ ieee80211_request_ibss_scan(sdata, ifibss->ssid,
+ ifibss->ssid_len, NULL,
+ 0, scan_width);
+ }
} else {
int interval = IEEE80211_SCAN_INTERVAL;

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 436c423..2caf837 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -975,7 +975,10 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
if (sdata->vif.txq) {
struct txq_info *txqi = to_txq_info(sdata->vif.txq);

+ spin_lock_bh(&txqi->queue.lock);
ieee80211_purge_tx_queue(&local->hw, &txqi->queue);
+ spin_unlock_bh(&txqi->queue.lock);
+
atomic_set(&sdata->txqs_len[txqi->txq.ac], 0);
}

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c06f40d6..3250527 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2213,7 +2213,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
struct ieee80211_local *local = rx->local;
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
- u16 q, hdrlen;
+ u16 ac, q, hdrlen;

hdr = (struct ieee80211_hdr *) skb->data;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -2282,7 +2282,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
ether_addr_equal(sdata->vif.addr, hdr->addr3))
return RX_CONTINUE;

- q = ieee80211_select_queue_80211(sdata, skb, hdr);
+ ac = ieee80211_select_queue_80211(sdata, skb, hdr);
+ q = sdata->vif.hw_queue[ac];
if (ieee80211_queue_stopped(&local->hw, q)) {
IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_congestion);
return RX_DROP_MONITOR;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 666ddac..3389959 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -474,11 +474,17 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
{
struct ieee80211_local *local = sta->local;
struct ieee80211_sub_if_data *sdata = sta->sdata;
- struct station_info sinfo;
+ struct station_info *sinfo;
int err = 0;

lockdep_assert_held(&local->sta_mtx);

+ sinfo = kzalloc(sizeof(struct station_info), GFP_KERNEL);
+ if (!sinfo) {
+ err = -ENOMEM;
+ goto out_err;
+ }
+
/* check if STA exists already */
if (sta_info_get_bss(sdata, sta->sta.addr)) {
err = -EEXIST;
@@ -510,10 +516,9 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
ieee80211_sta_debugfs_add(sta);
rate_control_add_sta_debugfs(sta);

- memset(&sinfo, 0, sizeof(sinfo));
- sinfo.filled = 0;
- sinfo.generation = local->sta_generation;
- cfg80211_new_sta(sdata->dev, sta->sta.addr, &sinfo, GFP_KERNEL);
+ sinfo->generation = local->sta_generation;
+ cfg80211_new_sta(sdata->dev, sta->sta.addr, sinfo, GFP_KERNEL);
+ kfree(sinfo);

sta_dbg(sdata, "Inserted STA %pM\n", sta->sta.addr);

@@ -875,7 +880,7 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
{
struct ieee80211_local *local = sta->local;
struct ieee80211_sub_if_data *sdata = sta->sdata;
- struct station_info sinfo = {};
+ struct station_info *sinfo;
int ret;

/*
@@ -913,8 +918,11 @@ static void __sta_info_destroy_part2(struct sta_info *sta)

sta_dbg(sdata, "Removed STA %pM\n", sta->sta.addr);

- sta_set_sinfo(sta, &sinfo);
- cfg80211_del_sta_sinfo(sdata->dev, sta->sta.addr, &sinfo, GFP_KERNEL);
+ sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
+ if (sinfo)
+ sta_set_sinfo(sta, sinfo);
+ cfg80211_del_sta_sinfo(sdata->dev, sta->sta.addr, sinfo, GFP_KERNEL);
+ kfree(sinfo);

rate_control_remove_sta_debugfs(sta);
ieee80211_sta_debugfs_remove(sta);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 38fbc19..a26bd65 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1689,15 +1689,34 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
cp = pp->conn_in_get(af, skb, &iph, 0);

conn_reuse_mode = sysctl_conn_reuse_mode(ipvs);
- if (conn_reuse_mode && !iph.fragoffs &&
- is_new_conn(skb, &iph) && cp &&
- ((unlikely(sysctl_expire_nodest_conn(ipvs)) && cp->dest &&
- unlikely(!atomic_read(&cp->dest->weight))) ||
- unlikely(is_new_conn_expected(cp, conn_reuse_mode)))) {
- if (!atomic_read(&cp->n_control))
- ip_vs_conn_expire_now(cp);
- __ip_vs_conn_put(cp);
- cp = NULL;
+ if (conn_reuse_mode && !iph.fragoffs && is_new_conn(skb, &iph) && cp) {
+ bool uses_ct = false, resched = false;
+
+ if (unlikely(sysctl_expire_nodest_conn(ipvs)) && cp->dest &&
+ unlikely(!atomic_read(&cp->dest->weight))) {
+ resched = true;
+ uses_ct = ip_vs_conn_uses_conntrack(cp, skb);
+ } else if (is_new_conn_expected(cp, conn_reuse_mode)) {
+ uses_ct = ip_vs_conn_uses_conntrack(cp, skb);
+ if (!atomic_read(&cp->n_control)) {
+ resched = true;
+ } else {
+ /* Do not reschedule controlling connection
+ * that uses conntrack while it is still
+ * referenced by controlled connection(s).
+ */
+ resched = !uses_ct;
+ }
+ }
+
+ if (resched) {
+ if (!atomic_read(&cp->n_control))
+ ip_vs_conn_expire_now(cp);
+ __ip_vs_conn_put(cp);
+ if (uses_ct)
+ return NF_DROP;
+ cp = NULL;
+ }
}

if (unlikely(!cp) && !iph.fragoffs) {
diff --git a/net/netfilter/ipvs/ip_vs_pe_sip.c b/net/netfilter/ipvs/ip_vs_pe_sip.c
index bed5f70..bb318e4 100644
--- a/net/netfilter/ipvs/ip_vs_pe_sip.c
+++ b/net/netfilter/ipvs/ip_vs_pe_sip.c
@@ -88,7 +88,7 @@ ip_vs_sip_fill_param(struct ip_vs_conn_param *p, struct sk_buff *skb)
dptr = skb->data + dataoff;
datalen = skb->len - dataoff;

- if (get_callid(dptr, dataoff, datalen, &matchoff, &matchlen))
+ if (get_callid(dptr, 0, datalen, &matchoff, &matchlen))
return -EINVAL;

/* N.B: pe_data is only set on success,
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 197c3f5..0f8e18f 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1256,7 +1256,7 @@ static struct sctp_transport *sctp_trans_elect_best(struct sctp_transport *curr,
if (score_curr > score_best)
return curr;
else if (score_curr == score_best)
- return sctp_trans_elect_tie(curr, best);
+ return sctp_trans_elect_tie(best, curr);
else
return best;
}
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index a0a4318..f45b05d 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -72,7 +72,7 @@ static struct sctp_transport *sctp_transport_init(struct net *net,
*/
peer->rto = msecs_to_jiffies(net->sctp.rto_initial);

- peer->last_time_heard = ktime_get();
+ peer->last_time_heard = ktime_set(0, 0);
peer->last_time_ecne_reduced = jiffies;

peer->param_flags = SPP_HB_DISABLE |
diff --git a/net/socket.c b/net/socket.c
index f3fbe17..f20cd74 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2244,31 +2244,31 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
break;
}

-out_put:
- fput_light(sock->file, fput_needed);
-
if (err == 0)
- return datagrams;
+ goto out_put;

- if (datagrams != 0) {
+ if (datagrams == 0) {
+ datagrams = err;
+ goto out_put;
+ }
+
+ /*
+ * We may return less entries than requested (vlen) if the
+ * sock is non block and there aren't enough datagrams...
+ */
+ if (err != -EAGAIN) {
/*
- * We may return less entries than requested (vlen) if the
- * sock is non block and there aren't enough datagrams...
+ * ... or if recvmsg returns an error after we
+ * received some datagrams, where we record the
+ * error to return on the next call or if the
+ * app asks about it using getsockopt(SO_ERROR).
*/
- if (err != -EAGAIN) {
- /*
- * ... or if recvmsg returns an error after we
- * received some datagrams, where we record the
- * error to return on the next call or if the
- * app asks about it using getsockopt(SO_ERROR).
- */
- sock->sk->sk_err = -err;
- }
-
- return datagrams;
+ sock->sk->sk_err = -err;
}
+out_put:
+ fput_light(sock->file, fput_needed);

- return err;
+ return datagrams;
}

SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 8d79e70..9ec709b 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1175,14 +1175,14 @@ int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h)
}

crq->q.reader = 0;
- crq->item = cache_get(h);
crq->buf = buf;
crq->len = 0;
crq->readers = 0;
spin_lock(&queue_lock);
- if (test_bit(CACHE_PENDING, &h->flags))
+ if (test_bit(CACHE_PENDING, &h->flags)) {
+ crq->item = cache_get(h);
list_add_tail(&crq->q.list, &detail->queue);
- else
+ } else
/* Lost a race, no longer PENDING, so don't enqueue */
ret = -EAGAIN;
spin_unlock(&queue_lock);
diff --git a/scripts/coccinelle/iterators/use_after_iter.cocci b/scripts/coccinelle/iterators/use_after_iter.cocci
index f085f59..ce8cc9c 100644
--- a/scripts/coccinelle/iterators/use_after_iter.cocci
+++ b/scripts/coccinelle/iterators/use_after_iter.cocci
@@ -123,7 +123,7 @@ list_remove_head(x,c,...)
|
sizeof(<+...c...+>)
|
-&c->member
+ &c->member
|
c = E
|
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index d9ab94b..358bec4 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -133,11 +133,11 @@ echo 'rm -rf $RPM_BUILD_ROOT'
echo ""
echo "%post"
echo "if [ -x /sbin/installkernel -a -r /boot/vmlinuz-$KERNELRELEASE -a -r /boot/System.map-$KERNELRELEASE ]; then"
-echo "cp /boot/vmlinuz-$KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm"
-echo "cp /boot/System.map-$KERNELRELEASE /boot/System.map-$KERNELRELEASE-rpm"
+echo "cp /boot/vmlinuz-$KERNELRELEASE /boot/.vmlinuz-$KERNELRELEASE-rpm"
+echo "cp /boot/System.map-$KERNELRELEASE /boot/.System.map-$KERNELRELEASE-rpm"
echo "rm -f /boot/vmlinuz-$KERNELRELEASE /boot/System.map-$KERNELRELEASE"
-echo "/sbin/installkernel $KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm"
-echo "rm -f /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm"
+echo "/sbin/installkernel $KERNELRELEASE /boot/.vmlinuz-$KERNELRELEASE-rpm /boot/.System.map-$KERNELRELEASE-rpm"
+echo "rm -f /boot/.vmlinuz-$KERNELRELEASE-rpm /boot/.System.map-$KERNELRELEASE-rpm"
echo "fi"
echo ""
echo "%files"
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 7d45645..253a2da 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -322,7 +322,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
char name[16];
snd_pcm_debug_name(substream, name, sizeof(name));
pcm_err(substream->pcm,
- "BUG: %s, pos = %ld, buffer size = %ld, period size = %ld\n",
+ "invalid position: %s, pos = %ld, buffer size = %ld, period size = %ld\n",
name, pos, runtime->buffer_size,
runtime->period_size);
}
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index ac38222..43fc6e8 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -174,8 +174,12 @@ static void cs_automute(struct hda_codec *codec)
snd_hda_gen_update_outputs(codec);

if (spec->gpio_eapd_hp || spec->gpio_eapd_speaker) {
- spec->gpio_data = spec->gen.hp_jack_present ?
- spec->gpio_eapd_hp : spec->gpio_eapd_speaker;
+ if (spec->gen.automute_speaker)
+ spec->gpio_data = spec->gen.hp_jack_present ?
+ spec->gpio_eapd_hp : spec->gpio_eapd_speaker;
+ else
+ spec->gpio_data =
+ spec->gpio_eapd_hp | spec->gpio_eapd_speaker;
snd_hda_codec_write(codec, 0x01, 0,
AC_VERB_SET_GPIO_DATA, spec->gpio_data);
}
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 2f0ec7c..ae2a8da 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -204,8 +204,13 @@ static void cx_auto_reboot_notify(struct hda_codec *codec)
{
struct conexant_spec *spec = codec->spec;

- if (codec->core.vendor_id != 0x14f150f2)
+ switch (codec->core.vendor_id) {
+ case 0x14f150f2: /* CX20722 */
+ case 0x14f150f4: /* CX20724 */
+ break;
+ default:
return;
+ }

/* Turn the CX20722 codec into D3 to avoid spurious noises
from the internal speaker during (and after) reboot */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 73d135c..6c143e3 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5505,6 +5505,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK),
SND_PCI_QUIRK(0x17aa, 0x2233, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
+ SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index 42bcbac..ccdab29 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2879,6 +2879,7 @@ static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)

static struct snd_pci_quirk intel8x0_clock_list[] = {
SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
+ SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
diff --git a/sound/soc/codecs/ssm4567.c b/sound/soc/codecs/ssm4567.c
index 84a4f5a..0bfc28b 100644
--- a/sound/soc/codecs/ssm4567.c
+++ b/sound/soc/codecs/ssm4567.c
@@ -338,6 +338,11 @@ static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable)
regcache_cache_only(ssm4567->regmap, !enable);

if (enable) {
+ ret = regmap_write(ssm4567->regmap, SSM4567_REG_SOFT_RESET,
+ 0x00);
+ if (ret)
+ return ret;
+
ret = regmap_update_bits(ssm4567->regmap,
SSM4567_REG_POWER_CTRL,
SSM4567_POWER_SPWDN, 0x00);
diff --git a/sound/soc/samsung/s3c-i2s-v2.c b/sound/soc/samsung/s3c-i2s-v2.c
index df65c5b..b6ab3fc 100644
--- a/sound/soc/samsung/s3c-i2s-v2.c
+++ b/sound/soc/samsung/s3c-i2s-v2.c
@@ -709,7 +709,7 @@ static int s3c2412_i2s_resume(struct snd_soc_dai *dai)
#endif

int s3c_i2sv2_register_component(struct device *dev, int id,
- struct snd_soc_component_driver *cmp_drv,
+ const struct snd_soc_component_driver *cmp_drv,
struct snd_soc_dai_driver *dai_drv)
{
struct snd_soc_dai_ops *ops = (struct snd_soc_dai_ops *)dai_drv->ops;
diff --git a/sound/soc/samsung/s3c-i2s-v2.h b/sound/soc/samsung/s3c-i2s-v2.h
index 90abab3..d068414 100644
--- a/sound/soc/samsung/s3c-i2s-v2.h
+++ b/sound/soc/samsung/s3c-i2s-v2.h
@@ -101,7 +101,7 @@ extern int s3c_i2sv2_probe(struct snd_soc_dai *dai,
* soc core.
*/
extern int s3c_i2sv2_register_component(struct device *dev, int id,
- struct snd_soc_component_driver *cmp_drv,
+ const struct snd_soc_component_driver *cmp_drv,
struct snd_soc_dai_driver *dai_drv);

#endif /* __SND_SOC_S3C24XX_S3C_I2SV2_I2S_H */
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 2ed260b..7ccbcaf 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -285,6 +285,8 @@ static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface,
unsigned char data[3];
int err, crate;

+ if (get_iface_desc(alts)->bNumEndpoints < 1)
+ return -EINVAL;
ep = get_endpoint(alts, 0)->bEndpointAddress;

/* if endpoint doesn't have sampling rate control, bail out */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 03b0744..e7f470a 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -413,6 +413,9 @@ exit_clear:
*
* New endpoints will be added to chip->ep_list and must be freed by
* calling snd_usb_endpoint_free().
+ *
+ * For SND_USB_ENDPOINT_TYPE_SYNC, the caller needs to guarantee that
+ * bNumEndpoints > 1 beforehand.
*/
struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
struct usb_host_interface *alts,
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index db9547d..f8ffcda4 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1532,7 +1532,11 @@ static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,

/* use known values for that card: interface#1 altsetting#1 */
iface = usb_ifnum_to_if(chip->dev, 1);
+ if (!iface || iface->num_altsetting < 2)
+ return -EINVAL;
alts = &iface->altsetting[1];
+ if (get_iface_desc(alts)->bNumEndpoints < 1)
+ return -EINVAL;
ep = get_endpoint(alts, 0)->bEndpointAddress;

err = snd_usb_ctl_msg(chip->dev,
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index b4ef410..cbb9325 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -159,6 +159,8 @@ static int init_pitch_v1(struct snd_usb_audio *chip, int iface,
unsigned char data[1];
int err;

+ if (get_iface_desc(alts)->bNumEndpoints < 1)
+ return -EINVAL;
ep = get_endpoint(alts, 0)->bEndpointAddress;

data[0] = 1;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index a4d03e5..5fb308d 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -177,6 +177,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
}
alts = &iface->altsetting[fp->altset_idx];
altsd = get_iface_desc(alts);
+ if (altsd->bNumEndpoints < 1) {
+ kfree(fp);
+ kfree(rate_table);
+ return -EINVAL;
+ }
+
fp->protocol = altsd->bInterfaceProtocol;

if (fp->datainterval == 0)
@@ -1118,6 +1124,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
switch (chip->usb_id) {
case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */
case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
+ case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */
case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
diff --git a/tools/hv/Makefile b/tools/hv/Makefile
index a8ab795..a8c4644 100644
--- a/tools/hv/Makefile
+++ b/tools/hv/Makefile
@@ -5,6 +5,8 @@ PTHREAD_LIBS = -lpthread
WARNINGS = -Wall -Wextra
CFLAGS = $(WARNINGS) -g $(PTHREAD_LIBS) $(shell getconf LFS_CFLAGS)

+CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include
+
all: hv_kvp_daemon hv_vss_daemon hv_fcopy_daemon
%: %.c
$(CC) $(CFLAGS) -o $@ $^
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 47469ab..fff765a 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -62,6 +62,14 @@ OPTIONS
--scale::
scale/normalize counter values

+-d::
+--detailed::
+ print more detailed statistics, can be specified up to 3 times
+
+ -d: detailed events, L1 and LLC data cache
+ -d -d: more detailed events, dTLB and iTLB events
+ -d -d -d: very detailed events, adding prefetch events
+
-r::
--repeat=<n>::
repeat command and print average + stddev (max: 100). 0 means forever.
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 67a977e..075f9ca 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -271,7 +271,7 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
strcpy(execname, "");

/* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */
- n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %s\n",
+ n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %[^\n]\n",
&event->mmap2.start, &event->mmap2.len, prot,
&event->mmap2.pgoff, &event->mmap2.maj,
&event->mmap2.min,
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 7bcb8c3..284ebd9 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -153,7 +153,7 @@ static int perf_pmu__parse_unit(struct perf_pmu_alias *alias, char *dir, char *n
if (fd == -1)
return -1;

- sret = read(fd, alias->unit, UNIT_MAX_LEN);
+ sret = read(fd, alias->unit, UNIT_MAX_LEN);
if (sret < 0)
goto error;

@@ -283,13 +283,12 @@ static int pmu_aliases_parse(char *dir, struct list_head *head)
{
struct dirent *evt_ent;
DIR *event_dir;
- int ret = 0;

event_dir = opendir(dir);
if (!event_dir)
return -EINVAL;

- while (!ret && (evt_ent = readdir(event_dir))) {
+ while ((evt_ent = readdir(event_dir))) {
char path[PATH_MAX];
char *name = evt_ent->d_name;
FILE *file;
@@ -305,17 +304,19 @@ static int pmu_aliases_parse(char *dir, struct list_head *head)

snprintf(path, PATH_MAX, "%s/%s", dir, name);

- ret = -EINVAL;
file = fopen(path, "r");
- if (!file)
- break;
+ if (!file) {
+ pr_debug("Cannot open %s\n", path);
+ continue;
+ }

- ret = perf_pmu__new_alias(head, dir, name, file);
+ if (perf_pmu__new_alias(head, dir, name, file) < 0)
+ pr_debug("Cannot set up %s\n", name);
fclose(file);
}

closedir(event_dir);
- return ret;
+ return 0;
}

/*
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 1833103..c868098 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -22,6 +22,7 @@ cflags = getenv('CFLAGS', '').split()
# switch off several checks (need to be at the end of cflags list)
cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' ]

+src_perf = getenv('srctree') + '/tools/perf'
build_lib = getenv('PYTHON_EXTBUILD_LIB')
build_tmp = getenv('PYTHON_EXTBUILD_TMP')
libtraceevent = getenv('LIBTRACEEVENT')
@@ -30,6 +31,9 @@ libapikfs = getenv('LIBAPI')
ext_sources = [f.strip() for f in file('util/python-ext-sources')
if len(f.strip()) > 0 and f[0] != '#']

+# use full paths with source files
+ext_sources = map(lambda x: '%s/%s' % (src_perf, x) , ext_sources)
+
perf = Extension('perf',
sources = ext_sources,
include_dirs = ['util/include'],
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 5a2a78a..77b6eb6 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -503,6 +503,16 @@ static struct kvm *kvm_create_vm(unsigned long type)
if (!kvm)
return ERR_PTR(-ENOMEM);

+ spin_lock_init(&kvm->mmu_lock);
+ atomic_inc(&current->mm->mm_count);
+ kvm->mm = current->mm;
+ kvm_eventfd_init(kvm);
+ mutex_init(&kvm->lock);
+ mutex_init(&kvm->irq_lock);
+ mutex_init(&kvm->slots_lock);
+ atomic_set(&kvm->users_count, 1);
+ INIT_LIST_HEAD(&kvm->devices);
+
r = kvm_arch_init_vm(kvm, type);
if (r)
goto out_err_no_disable;
@@ -535,16 +545,6 @@ static struct kvm *kvm_create_vm(unsigned long type)
goto out_err;
}

- spin_lock_init(&kvm->mmu_lock);
- kvm->mm = current->mm;
- atomic_inc(&kvm->mm->mm_count);
- kvm_eventfd_init(kvm);
- mutex_init(&kvm->lock);
- mutex_init(&kvm->irq_lock);
- mutex_init(&kvm->slots_lock);
- atomic_set(&kvm->users_count, 1);
- INIT_LIST_HEAD(&kvm->devices);
-
r = kvm_init_mmu_notifier(kvm);
if (r)
goto out_err;
@@ -569,6 +569,7 @@ out_err_no_disable:
for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++)
kvm_free_memslots(kvm, kvm->memslots[i]);
kvm_arch_free_vm(kvm);
+ mmdrop(current->mm);
return ERR_PTR(r);
}

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