Re: [3.5.y.z extended stable] Linux 3.5.7.15

From: Luis Henriques
Date: Fri Jun 21 2013 - 05:24:54 EST

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diff --git a/Makefile b/Makefile
index b57a3c0f..ddb7313 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 5
SUBLEVEL = 7
-EXTRAVERSION = .14
+EXTRAVERSION = .15
NAME = Saber-toothed Squirrel

# *DOCUMENTATION*
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index bb26756..8504174 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -126,7 +126,7 @@ KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif

ccflags-y := -fpic -fno-builtin -I$(obj)
-asflags-y := -Wa,-march=all
+asflags-y :=

# Supply kernel BSS size to the decompressor via a linker symbol.
KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \
diff --git a/arch/arm/boot/compressed/head-sa1100.S b/arch/arm/boot/compressed/head-sa1100.S
index 6179d94..3115e31 100644
--- a/arch/arm/boot/compressed/head-sa1100.S
+++ b/arch/arm/boot/compressed/head-sa1100.S
@@ -11,6 +11,7 @@
#include <asm/mach-types.h>

.section ".start", "ax"
+ .arch armv4

__SA1100_start:

diff --git a/arch/arm/boot/compressed/head-shark.S b/arch/arm/boot/compressed/head-shark.S
index 089c560..92b5689 100644
--- a/arch/arm/boot/compressed/head-shark.S
+++ b/arch/arm/boot/compressed/head-shark.S
@@ -18,6 +18,7 @@

.section ".start", "ax"

+ .arch armv4
b __beginning

__ofw_data: .long 0 @ the number of memory blocks
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index bc67cbf..a7ae392 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -10,6 +10,7 @@
*/
#include <linux/linkage.h>

+ .arch armv7-a
/*
* Debugging stuff
*
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index 8200dea..140c817 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -13,6 +13,7 @@

#include <linux/cpu.h>
#include <linux/cpumask.h>
+#include <linux/export.h>
#include <linux/init.h>
#include <linux/percpu.h>
#include <linux/node.h>
@@ -42,6 +43,7 @@
#define MPIDR_LEVEL2_SHIFT 16

struct cputopo_arm cpu_topology[NR_CPUS];
+EXPORT_SYMBOL_GPL(cpu_topology);

const struct cpumask *cpu_coregroup_mask(int cpu)
{
diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S
index d197e7f..ac85f16 100644
--- a/arch/m68k/kernel/head.S
+++ b/arch/m68k/kernel/head.S
@@ -2752,11 +2752,9 @@ func_return get_new_page
#ifdef CONFIG_MAC

L(scc_initable_mac):
- .byte 9,12 /* Reset */
.byte 4,0x44 /* x16, 1 stopbit, no parity */
.byte 3,0xc0 /* receiver: 8 bpc */
.byte 5,0xe2 /* transmitter: 8 bpc, assert dtr/rts */
- .byte 9,0 /* no interrupts */
.byte 10,0 /* NRZ */
.byte 11,0x50 /* use baud rate generator */
.byte 12,1,13,0 /* 38400 baud */
@@ -2899,6 +2897,7 @@ func_start serial_init,%d0/%d1/%a0/%a1
is_not_mac(L(serial_init_not_mac))

#ifdef SERIAL_DEBUG
+
/* You may define either or both of these. */
#define MAC_USE_SCC_A /* Modem port */
#define MAC_USE_SCC_B /* Printer port */
@@ -2908,9 +2907,21 @@ func_start serial_init,%d0/%d1/%a0/%a1
#define mac_scc_cha_b_data_offset 0x4
#define mac_scc_cha_a_data_offset 0x6

+#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B)
+ movel %pc@(L(mac_sccbase)),%a0
+ /* Reset SCC device */
+ moveb #9,%a0@(mac_scc_cha_a_ctrl_offset)
+ moveb #0xc0,%a0@(mac_scc_cha_a_ctrl_offset)
+ /* Wait for 5 PCLK cycles, which is about 68 CPU cycles */
+ /* 5 / 3.6864 MHz = approx. 1.36 us = 68 / 50 MHz */
+ movel #35,%d0
+5:
+ subq #1,%d0
+ jne 5b
+#endif
+
#ifdef MAC_USE_SCC_A
/* Initialize channel A */
- movel %pc@(L(mac_sccbase)),%a0
lea %pc@(L(scc_initable_mac)),%a1
5: moveb %a1@+,%d0
jmi 6f
@@ -2922,9 +2933,6 @@ func_start serial_init,%d0/%d1/%a0/%a1

#ifdef MAC_USE_SCC_B
/* Initialize channel B */
-#ifndef MAC_USE_SCC_A /* Load mac_sccbase only if needed */
- movel %pc@(L(mac_sccbase)),%a0
-#endif /* MAC_USE_SCC_A */
lea %pc@(L(scc_initable_mac)),%a1
7: moveb %a1@+,%d0
jmi 8f
@@ -2933,6 +2941,7 @@ func_start serial_init,%d0/%d1/%a0/%a1
jra 7b
8:
#endif /* MAC_USE_SCC_B */
+
#endif /* SERIAL_DEBUG */

jra L(serial_init_done)
@@ -3006,17 +3015,17 @@ func_start serial_putc,%d0/%d1/%a0/%a1

#ifdef SERIAL_DEBUG

-#ifdef MAC_USE_SCC_A
+#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B)
movel %pc@(L(mac_sccbase)),%a1
+#endif
+
+#ifdef MAC_USE_SCC_A
3: btst #2,%a1@(mac_scc_cha_a_ctrl_offset)
jeq 3b
moveb %d0,%a1@(mac_scc_cha_a_data_offset)
#endif /* MAC_USE_SCC_A */

#ifdef MAC_USE_SCC_B
-#ifndef MAC_USE_SCC_A /* Load mac_sccbase only if needed */
- movel %pc@(L(mac_sccbase)),%a1
-#endif /* MAC_USE_SCC_A */
4: btst #2,%a1@(mac_scc_cha_b_ctrl_offset)
jeq 4b
moveb %d0,%a1@(mac_scc_cha_b_data_offset)
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index d58fc4e..6afb13a 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -320,7 +320,7 @@ label##_common: \
*/
#define STD_EXCEPTION_COMMON_ASYNC(trap, label, hdlr) \
EXCEPTION_COMMON(trap, label, hdlr, ret_from_except_lite, \
- FINISH_NAP;RUNLATCH_ON;DISABLE_INTS)
+ FINISH_NAP;DISABLE_INTS;RUNLATCH_ON)

/*
* When the idle code in power4_idle puts the CPU into NAP mode,
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 1c06d29..f9d4812 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -489,7 +489,7 @@ machine_check_common:
STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception)
STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception)
STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception)
- STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception)
+ STD_EXCEPTION_COMMON(0xe40, emulation_assist, .emulation_assist_interrupt)
STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception)
STD_EXCEPTION_COMMON_ASYNC(0xf00, performance_monitor, .performance_monitor_exception)
STD_EXCEPTION_COMMON(0x1300, instruction_breakpoint, .instruction_breakpoint_exception)
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 1f017bb..86cb68e 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -162,7 +162,7 @@ notrace unsigned int __check_irq_replay(void)
* in case we also had a rollover while hard disabled
*/
local_paca->irq_happened &= ~PACA_IRQ_DEC;
- if (decrementer_check_overflow())
+ if ((happened & PACA_IRQ_DEC) || decrementer_check_overflow())
return 0x900;

/* Finally check if an external interrupt happened */
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1a1f2dd..b1e4ac1 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1221,7 +1221,7 @@ EXPORT_SYMBOL(dump_stack);

#ifdef CONFIG_PPC64
/* Called with hard IRQs off */
-void __ppc64_runlatch_on(void)
+void notrace __ppc64_runlatch_on(void)
{
struct thread_info *ti = current_thread_info();
unsigned long ctrl;
@@ -1234,7 +1234,7 @@ void __ppc64_runlatch_on(void)
}

/* Called with hard IRQs off */
-void __ppc64_runlatch_off(void)
+void notrace __ppc64_runlatch_off(void)
{
struct thread_info *ti = current_thread_info();
unsigned long ctrl;
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 3bb7197..5557044 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1074,6 +1074,16 @@ void __kprobes program_check_exception(struct pt_regs *regs)
_exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
}

+/*
+ * This occurs when running in hypervisor mode on POWER6 or later
+ * and an illegal instruction is encountered.
+ */
+void __kprobes emulation_assist_interrupt(struct pt_regs *regs)
+{
+ regs->msr |= REASON_ILLEGAL;
+ program_check_exception(regs);
+}
+
void alignment_exception(struct pt_regs *regs)
{
int sig, code, fixed = 0;
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 8752f79..8a811d9 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -83,7 +83,11 @@ static int pseries_eeh_init(void)
ibm_configure_pe = rtas_token("ibm,configure-pe");
ibm_configure_bridge = rtas_token ("ibm,configure-bridge");

- /* necessary sanity check */
+ /*
+ * Necessary sanity check. We needn't check "get-config-addr-info"
+ * and its variant since the old firmware probably support address
+ * of domain/bus/slot/function for EEH RTAS operations.
+ */
if (ibm_set_eeh_option == RTAS_UNKNOWN_SERVICE) {
pr_warning("%s: RTAS service <ibm,set-eeh-option> invalid\n",
__func__);
@@ -102,12 +106,6 @@ static int pseries_eeh_init(void)
pr_warning("%s: RTAS service <ibm,slot-error-detail> invalid\n",
__func__);
return -EINVAL;
- } else if (ibm_get_config_addr_info2 == RTAS_UNKNOWN_SERVICE &&
- ibm_get_config_addr_info == RTAS_UNKNOWN_SERVICE) {
- pr_warning("%s: RTAS service <ibm,get-config-addr-info2> and "
- "<ibm,get-config-addr-info> invalid\n",
- __func__);
- return -EINVAL;
} else if (ibm_configure_pe == RTAS_UNKNOWN_SERVICE &&
ibm_configure_bridge == RTAS_UNKNOWN_SERVICE) {
pr_warning("%s: RTAS service <ibm,configure-pe> and "
diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
index 7a6f3b3..f2bb9c9 100644
--- a/arch/x86/kernel/relocate_kernel_64.S
+++ b/arch/x86/kernel/relocate_kernel_64.S
@@ -160,7 +160,7 @@ identity_mapped:
xorq %rbp, %rbp
xorq %r8, %r8
xorq %r9, %r9
- xorq %r10, %r9
+ xorq %r10, %r10
xorq %r11, %r11
xorq %r12, %r12
xorq %r13, %r13
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 3837739..403283d 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -447,6 +447,38 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"),
},
},
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion dm4",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion g6 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP 1000 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion m4",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"),
+ },
+ },
{}
};

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index a382b7c..624a948 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -151,6 +151,7 @@ enum piix_controller_ids {
piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */
ich8_sata_snb,
ich8_2port_sata_snb,
+ ich8_2port_sata_byt,
};

struct piix_map_db {
@@ -356,6 +357,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
/* SATA Controller IDE (Wellsburg) */
{ 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (BayTrail) */
+ { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+ { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },

{ } /* terminate list */
};
@@ -521,6 +525,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
[tolapai_sata] = &tolapai_map_db,
[ich8_sata_snb] = &ich8_map_db,
[ich8_2port_sata_snb] = &ich8_2port_map_db,
+ [ich8_2port_sata_byt] = &ich8_2port_map_db,
};

static struct ata_port_info piix_port_info[] = {
@@ -671,6 +676,15 @@ static struct ata_port_info piix_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
+
+ [ich8_2port_sata_byt] =
+ {
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &piix_sata_ops,
+ },
};

static struct pci_bits piix_enable_bits[] = {
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 23f092d..9e47300 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1599,6 +1599,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
qc->tf = *tf;
if (cdb)
memcpy(qc->cdb, cdb, ATAPI_CDB_LEN);
+
+ /* some SATA bridges need us to indicate data xfer direction */
+ if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) &&
+ dma_dir == DMA_FROM_DEVICE)
+ qc->tf.feature |= ATAPI_DMADIR;
+
qc->flags |= ATA_QCFLAG_RESULT_TF;
qc->dma_dir = dma_dir;
if (dma_dir != DMA_NONE) {
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index b0f553b..d3446f6 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -161,8 +161,6 @@ static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id);
static int cciss_open(struct block_device *bdev, fmode_t mode);
static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode);
static int cciss_release(struct gendisk *disk, fmode_t mode);
-static int do_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned int cmd, unsigned long arg);
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
@@ -229,7 +227,7 @@ static const struct block_device_operations cciss_fops = {
.owner = THIS_MODULE,
.open = cciss_unlocked_open,
.release = cciss_release,
- .ioctl = do_ioctl,
+ .ioctl = cciss_ioctl,
.getgeo = cciss_getgeo,
#ifdef CONFIG_COMPAT
.compat_ioctl = cciss_compat_ioctl,
@@ -1140,16 +1138,6 @@ static int cciss_release(struct gendisk *disk, fmode_t mode)
return 0;
}

-static int do_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned cmd, unsigned long arg)
-{
- int ret;
- mutex_lock(&cciss_mutex);
- ret = cciss_ioctl(bdev, mode, cmd, arg);
- mutex_unlock(&cciss_mutex);
- return ret;
-}
-
#ifdef CONFIG_COMPAT

static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
@@ -1176,7 +1164,7 @@ static int cciss_compat_ioctl(struct block_device *bdev, fmode_t mode,
case CCISS_REGNEWD:
case CCISS_RESCANDISK:
case CCISS_GETLUNINFO:
- return do_ioctl(bdev, mode, cmd, arg);
+ return cciss_ioctl(bdev, mode, cmd, arg);

case CCISS_PASSTHRU32:
return cciss_ioctl32_passthru(bdev, mode, cmd, arg);
@@ -1216,7 +1204,7 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
if (err)
return -EFAULT;

- err = do_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
+ err = cciss_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
if (err)
return err;
err |=
@@ -1258,7 +1246,7 @@ static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
if (err)
return -EFAULT;

- err = do_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
+ err = cciss_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
if (err)
return err;
err |=
@@ -1308,11 +1296,14 @@ static int cciss_getpciinfo(ctlr_info_t *h, void __user *argp)
static int cciss_getintinfo(ctlr_info_t *h, void __user *argp)
{
cciss_coalint_struct intinfo;
+ unsigned long flags;

if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
intinfo.delay = readl(&h->cfgtable->HostWrite.CoalIntDelay);
intinfo.count = readl(&h->cfgtable->HostWrite.CoalIntCount);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user
(argp, &intinfo, sizeof(cciss_coalint_struct)))
return -EFAULT;
@@ -1353,12 +1344,15 @@ static int cciss_setintinfo(ctlr_info_t *h, void __user *argp)
static int cciss_getnodename(ctlr_info_t *h, void __user *argp)
{
NodeName_type NodeName;
+ unsigned long flags;
int i;

if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
for (i = 0; i < 16; i++)
NodeName[i] = readb(&h->cfgtable->ServerName[i]);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
return -EFAULT;
return 0;
@@ -1395,10 +1389,13 @@ static int cciss_setnodename(ctlr_info_t *h, void __user *argp)
static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
{
Heartbeat_type heartbeat;
+ unsigned long flags;

if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
heartbeat = readl(&h->cfgtable->HeartBeat);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, &heartbeat, sizeof(Heartbeat_type)))
return -EFAULT;
return 0;
@@ -1407,10 +1404,13 @@ static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
static int cciss_getbustypes(ctlr_info_t *h, void __user *argp)
{
BusTypes_type BusTypes;
+ unsigned long flags;

if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
BusTypes = readl(&h->cfgtable->BusTypes);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, &BusTypes, sizeof(BusTypes_type)))
return -EFAULT;
return 0;
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 000d309..aec952f 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1393,10 +1393,13 @@ static void dma_tc_handle(struct d40_chan *d40c)
return;
}

- if (d40_queue_start(d40c) == NULL)
+ if (d40_queue_start(d40c) == NULL) {
d40c->busy = false;
- pm_runtime_mark_last_busy(d40c->base->dev);
- pm_runtime_put_autosuspend(d40c->base->dev);
+
+ pm_runtime_mark_last_busy(d40c->base->dev);
+ pm_runtime_put_autosuspend(d40c->base->dev);
+ }
+
}

d40c->pending_tx++;
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index c798eea..c7a1348 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -981,7 +981,7 @@ EXPORT_SYMBOL(drm_vblank_off);
*/
void drm_vblank_pre_modeset(struct drm_device *dev, int crtc)
{
- /* vblank is not initialized (IRQ not installed ?) */
+ /* vblank is not initialized (IRQ not installed ?), or has been freed */
if (!dev->num_crtcs)
return;
/*
@@ -1003,6 +1003,10 @@ void drm_vblank_post_modeset(struct drm_device *dev, int crtc)
{
unsigned long irqflags;

+ /* vblank is not initialized (IRQ not installed ?), or has been freed */
+ if (!dev->num_crtcs)
+ return;
+
if (dev->vblank_inmodeset[crtc]) {
spin_lock_irqsave(&dev->vbl_lock, irqflags);
dev->vblank_disable_allowed = 1;
diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c
index c3e9a0f..a80d61f 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_display.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_display.c
@@ -1600,6 +1600,19 @@ static void cdv_intel_crtc_destroy(struct drm_crtc *crtc)
kfree(psb_intel_crtc);
}

+static void cdv_intel_crtc_disable(struct drm_crtc *crtc)
+{
+ struct gtt_range *gt;
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ if (crtc->fb) {
+ gt = to_psb_fb(crtc->fb)->gtt;
+ psb_gtt_unpin(gt);
+ }
+}
+
const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
.dpms = cdv_intel_crtc_dpms,
.mode_fixup = cdv_intel_crtc_mode_fixup,
@@ -1607,6 +1620,7 @@ const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
.mode_set_base = cdv_intel_pipe_set_base,
.prepare = cdv_intel_crtc_prepare,
.commit = cdv_intel_crtc_commit,
+ .disable = cdv_intel_crtc_disable,
};

const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 5732b57..71a4b61 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -793,8 +793,8 @@ void psb_modeset_init(struct drm_device *dev)
for (i = 0; i < dev_priv->num_pipe; i++)
psb_intel_crtc_init(dev, i, mode_dev);

- dev->mode_config.max_width = 2048;
- dev->mode_config.max_height = 2048;
+ dev->mode_config.max_width = 4096;
+ dev->mode_config.max_height = 4096;

psb_setup_outputs(dev);

diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
index 73e44a8..f408dad 100644
--- a/drivers/gpu/drm/gma500/psb_intel_display.c
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -1246,6 +1246,19 @@ void psb_intel_crtc_destroy(struct drm_crtc *crtc)
kfree(psb_intel_crtc);
}

+static void psb_intel_crtc_disable(struct drm_crtc *crtc)
+{
+ struct gtt_range *gt;
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ if (crtc->fb) {
+ gt = to_psb_fb(crtc->fb)->gtt;
+ psb_gtt_unpin(gt);
+ }
+}
+
const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
.dpms = psb_intel_crtc_dpms,
.mode_fixup = psb_intel_crtc_mode_fixup,
@@ -1253,6 +1266,7 @@ const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
.mode_set_base = psb_intel_pipe_set_base,
.prepare = psb_intel_crtc_prepare,
.commit = psb_intel_crtc_commit,
+ .disable = psb_intel_crtc_disable,
};

const struct drm_crtc_funcs psb_intel_crtc_funcs = {
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 6d6bf60..d18c49a 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -746,10 +746,10 @@ static const struct dmi_system_id intel_no_lvds[] = {
},
{
.callback = intel_no_lvds_dmi_callback,
- .ident = "Hewlett-Packard HP t5740e Thin Client",
+ .ident = "Hewlett-Packard HP t5740",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP t5740e Thin Client"),
+ DMI_MATCH(DMI_PRODUCT_NAME, " t5740"),
},
},
{
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 1af5db5..00c6af5 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1595,11 +1595,14 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
* Assume that the preferred modes are
* arranged in priority order.
*/
- intel_ddc_get_modes(connector, intel_sdvo->i2c);
- if (list_empty(&connector->probed_modes) == false)
- goto end;
+ intel_ddc_get_modes(connector, &intel_sdvo->ddc);

- /* Fetch modes from VBT */
+ /*
+ * Fetch modes from VBT. For SDVO prefer the VBT mode since some
+ * SDVO->LVDS transcoders can't cope with the EDID mode. Since
+ * drm_mode_probed_add adds the mode at the head of the list we add it
+ * last.
+ */
if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
newmode = drm_mode_duplicate(connector->dev,
dev_priv->sdvo_lvds_vbt_mode);
@@ -1611,7 +1614,6 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
}
}

-end:
list_for_each_entry(newmode, &connector->probed_modes, head) {
if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
intel_sdvo->sdvo_lvds_fixed_mode =
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 4860c35..4e48f91 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -1042,13 +1042,14 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
else
hi_pri_lvl = 5;

- WREG8(0x1fde, 0x06);
- WREG8(0x1fdf, hi_pri_lvl);
+ WREG8(MGAREG_CRTCEXT_INDEX, 0x06);
+ WREG8(MGAREG_CRTCEXT_DATA, hi_pri_lvl);
} else {
+ WREG8(MGAREG_CRTCEXT_INDEX, 0x06);
if (mdev->reg_1e24 >= 0x01)
- WREG8(0x1fdf, 0x03);
+ WREG8(MGAREG_CRTCEXT_DATA, 0x03);
else
- WREG8(0x1fdf, 0x04);
+ WREG8(MGAREG_CRTCEXT_DATA, 0x04);
}
}
return 0;
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 74cc710..66ecc38 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -396,6 +396,8 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
int
atombios_get_encoder_mode(struct drm_encoder *encoder)
{
+ struct drm_device *dev = encoder->dev;
+ struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_connector *connector;
struct radeon_connector *radeon_connector;
@@ -421,7 +423,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
case DRM_MODE_CONNECTOR_DVII:
case DRM_MODE_CONNECTOR_HDMIB: /* HDMI-B is basically DL-DVI; analog works fine */
if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
- radeon_audio)
+ radeon_audio &&
+ !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
return ATOM_ENCODER_MODE_HDMI;
else if (radeon_connector->use_digital)
return ATOM_ENCODER_MODE_DVI;
@@ -432,7 +435,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
case DRM_MODE_CONNECTOR_HDMIA:
default:
if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
- radeon_audio)
+ radeon_audio &&
+ !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
return ATOM_ENCODER_MODE_HDMI;
else
return ATOM_ENCODER_MODE_DVI;
@@ -446,7 +450,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
(dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
return ATOM_ENCODER_MODE_DP;
else if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
- radeon_audio)
+ radeon_audio &&
+ !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
return ATOM_ENCODER_MODE_HDMI;
else
return ATOM_ENCODER_MODE_DVI;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index d18b343..7dbb1aa 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3120,6 +3120,12 @@ static int evergreen_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -3264,10 +3270,6 @@ int evergreen_init(struct radeon_device *rdev)
if (r)
return r;

- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);

diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 137b1f5..8d2a168 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1313,6 +1313,12 @@ static int cayman_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -1441,10 +1447,6 @@ int cayman_init(struct radeon_device *rdev)
if (r)
return r;

- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
ring->ring_obj = NULL;
r600_ring_init(rdev, ring, 1024 * 1024);

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index fb44e7e..fe70204 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3896,6 +3896,12 @@ static int r100_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -4054,9 +4060,6 @@ int r100_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 97722a3..30ec27a 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1382,6 +1382,12 @@ static int r300_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -1519,9 +1525,6 @@ int r300_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 99137be..1cf55d9 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -265,6 +265,12 @@ static int r420_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -414,10 +420,6 @@ int r420_init(struct radeon_device *rdev)
if (r) {
return r;
}
- r = radeon_irq_kms_init(rdev);
- if (r) {
- return r;
- }
/* Memory manager */
r = radeon_bo_init(rdev);
if (r) {
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index b5cf837..36b7a5c 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -194,6 +194,12 @@ static int r520_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -299,9 +305,6 @@ int r520_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 0c7476d..ffaf3ba 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2401,6 +2401,12 @@ int r600_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -2548,10 +2554,6 @@ int r600_init(struct radeon_device *rdev)
if (r)
return r;

- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);

diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index a464eb5..9ada7ed 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -417,6 +417,12 @@ static int rs400_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -538,9 +544,6 @@ int rs400_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index e95c5e6..d0eea5c 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -899,6 +899,12 @@ static int rs600_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -1026,9 +1032,6 @@ int rs600_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 159b6a4..bcfb0a3 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -628,6 +628,12 @@ static int rs690_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -756,9 +762,6 @@ int rs690_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 5e70fcb..3368c8c 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -386,6 +386,12 @@ static int rv515_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
@@ -518,9 +524,6 @@ int rv515_init(struct radeon_device *rdev)
r = radeon_fence_driver_init(rdev);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index b4f51c5..3b8e95a 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -931,6 +931,12 @@ static int rv770_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -1062,10 +1068,6 @@ int rv770_init(struct radeon_device *rdev)
if (r)
return r;

- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);

diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index df76c27..97b89b7 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -3747,6 +3747,12 @@ static int si_startup(struct radeon_device *rdev)
}

/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = si_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
@@ -3911,10 +3917,6 @@ int si_init(struct radeon_device *rdev)
if (r)
return r;

- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
ring->ring_obj = NULL;
r600_ring_init(rdev, ring, 1024 * 1024);
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 4394e7e..5653461 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -332,26 +332,68 @@ static int adm1021_detect(struct i2c_client *client,
man_id = i2c_smbus_read_byte_data(client, ADM1021_REG_MAN_ID);
dev_id = i2c_smbus_read_byte_data(client, ADM1021_REG_DEV_ID);

+ if (man_id < 0 || dev_id < 0)
+ return -ENODEV;
+
if (man_id == 0x4d && dev_id == 0x01)
type_name = "max1617a";
else if (man_id == 0x41) {
if ((dev_id & 0xF0) == 0x30)
type_name = "adm1023";
- else
+ else if ((dev_id & 0xF0) == 0x00)
type_name = "adm1021";
+ else
+ return -ENODEV;
} else if (man_id == 0x49)
type_name = "thmc10";
else if (man_id == 0x23)
type_name = "gl523sm";
else if (man_id == 0x54)
type_name = "mc1066";
- /* LM84 Mfr ID in a different place, and it has more unused bits */
- else if (conv_rate == 0x00
- && (config & 0x7F) == 0x00
- && (status & 0xAB) == 0x00)
- type_name = "lm84";
- else
- type_name = "max1617";
+ else {
+ int lte, rte, lhi, rhi, llo, rlo;
+
+ /* extra checks for LM84 and MAX1617 to avoid misdetections */
+
+ llo = i2c_smbus_read_byte_data(client, ADM1021_REG_THYST_R(0));
+ rlo = i2c_smbus_read_byte_data(client, ADM1021_REG_THYST_R(1));
+
+ /* fail if any of the additional register reads failed */
+ if (llo < 0 || rlo < 0)
+ return -ENODEV;
+
+ lte = i2c_smbus_read_byte_data(client, ADM1021_REG_TEMP(0));
+ rte = i2c_smbus_read_byte_data(client, ADM1021_REG_TEMP(1));
+ lhi = i2c_smbus_read_byte_data(client, ADM1021_REG_TOS_R(0));
+ rhi = i2c_smbus_read_byte_data(client, ADM1021_REG_TOS_R(1));
+
+ /*
+ * Fail for negative temperatures and negative high limits.
+ * This check also catches read errors on the tested registers.
+ */
+ if ((s8)lte < 0 || (s8)rte < 0 || (s8)lhi < 0 || (s8)rhi < 0)
+ return -ENODEV;
+
+ /* fail if all registers hold the same value */
+ if (lte == rte && lte == lhi && lte == rhi && lte == llo
+ && lte == rlo)
+ return -ENODEV;
+
+ /*
+ * LM84 Mfr ID is in a different place,
+ * and it has more unused bits.
+ */
+ if (conv_rate == 0x00
+ && (config & 0x7F) == 0x00
+ && (status & 0xAB) == 0x00) {
+ type_name = "lm84";
+ } else {
+ /* fail if low limits are larger than high limits */
+ if ((s8)llo > lhi || (s8)rlo > rhi)
+ return -ENODEV;
+ type_name = "max1617";
+ }
+ }

pr_debug("adm1021: Detected chip %s at adapter %d, address 0x%02x.\n",
type_name, i2c_adapter_id(adapter), client->addr);
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 33fee0a..d3be586 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -531,11 +531,23 @@ retry:

static void iommu_poll_events(struct amd_iommu *iommu)
{
- u32 head, tail;
+ u32 head, tail, status;
unsigned long flags;

spin_lock_irqsave(&iommu->lock, flags);

+ /* enable event interrupts again */
+ do {
+ /*
+ * Workaround for Erratum ERBT1312
+ * Clearing the EVT_INT bit may race in the hardware, so read
+ * it again and make sure it was really cleared
+ */
+ status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET);
+ writel(MMIO_STATUS_EVT_INT_MASK,
+ iommu->mmio_base + MMIO_STATUS_OFFSET);
+ } while (status & MMIO_STATUS_EVT_INT_MASK);
+
head = readl(iommu->mmio_base + MMIO_EVT_HEAD_OFFSET);
tail = readl(iommu->mmio_base + MMIO_EVT_TAIL_OFFSET);

@@ -572,16 +584,25 @@ static void iommu_handle_ppr_entry(struct amd_iommu *iommu, u64 *raw)
static void iommu_poll_ppr_log(struct amd_iommu *iommu)
{
unsigned long flags;
- u32 head, tail;
+ u32 head, tail, status;

if (iommu->ppr_log == NULL)
return;

- /* enable ppr interrupts again */
- writel(MMIO_STATUS_PPR_INT_MASK, iommu->mmio_base + MMIO_STATUS_OFFSET);
-
spin_lock_irqsave(&iommu->lock, flags);

+ /* enable ppr interrupts again */
+ do {
+ /*
+ * Workaround for Erratum ERBT1312
+ * Clearing the PPR_INT bit may race in the hardware, so read
+ * it again and make sure it was really cleared
+ */
+ status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET);
+ writel(MMIO_STATUS_PPR_INT_MASK,
+ iommu->mmio_base + MMIO_STATUS_OFFSET);
+ } while (status & MMIO_STATUS_PPR_INT_MASK);
+
head = readl(iommu->mmio_base + MMIO_PPR_HEAD_OFFSET);
tail = readl(iommu->mmio_base + MMIO_PPR_TAIL_OFFSET);

diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index c1b1d48..f9addfd 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -99,6 +99,7 @@
#define PASID_MASK 0x000fffff

/* MMIO status bits */
+#define MMIO_STATUS_EVT_INT_MASK (1 << 1)
#define MMIO_STATUS_COM_WAIT_INT_MASK (1 << 2)
#define MMIO_STATUS_PPR_INT_MASK (1 << 6)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index cb781a1..aa58c02 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -413,7 +413,17 @@ static void raid1_end_write_request(struct bio *bio, int error)

r1_bio->bios[mirror] = NULL;
to_put = bio;
- set_bit(R1BIO_Uptodate, &r1_bio->state);
+ /*
+ * Do not set R1BIO_Uptodate if the current device is
+ * rebuilding or Faulty. This is because we cannot use
+ * such device for properly reading the data back (we could
+ * potentially use it, if the current write would have felt
+ * before rdev->recovery_offset, but for simplicity we don't
+ * check this here.
+ */
+ if (test_bit(In_sync, &conf->mirrors[mirror].rdev->flags) &&
+ !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags))
+ set_bit(R1BIO_Uptodate, &r1_bio->state);

/* Maybe we can clear some bad blocks. */
if (is_badblock(conf->mirrors[mirror].rdev,
@@ -802,17 +812,17 @@ static void allow_barrier(struct r1conf *conf)
wake_up(&conf->wait_barrier);
}

-static void freeze_array(struct r1conf *conf)
+static void freeze_array(struct r1conf *conf, int extra)
{
/* stop syncio and normal IO and wait for everything to
* go quite.
* We increment barrier and nr_waiting, and then
- * wait until nr_pending match nr_queued+1
+ * wait until nr_pending match nr_queued+extra
* This is called in the context of one normal IO request
* that has failed. Thus any sync request that might be pending
* will be blocked by nr_pending, and we need to wait for
* pending IO requests to complete or be queued for re-try.
- * Thus the number queued (nr_queued) plus this request (1)
+ * Thus the number queued (nr_queued) plus this request (extra)
* must match the number of pending IOs (nr_pending) before
* we continue.
*/
@@ -820,7 +830,7 @@ static void freeze_array(struct r1conf *conf)
conf->barrier++;
conf->nr_waiting++;
wait_event_lock_irq(conf->wait_barrier,
- conf->nr_pending == conf->nr_queued+1,
+ conf->nr_pending == conf->nr_queued+extra,
conf->resync_lock,
flush_pending_writes(conf));
spin_unlock_irq(&conf->resync_lock);
@@ -1419,8 +1429,8 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
* we wait for all outstanding requests to complete.
*/
synchronize_sched();
- raise_barrier(conf);
- lower_barrier(conf);
+ freeze_array(conf, 0);
+ unfreeze_array(conf);
clear_bit(Unmerged, &rdev->flags);
}
md_integrity_add_rdev(rdev, mddev);
@@ -1468,11 +1478,11 @@ static int raid1_remove_disk(struct mddev *mddev, struct md_rdev *rdev)
*/
struct md_rdev *repl =
conf->mirrors[conf->raid_disks + number].rdev;
- raise_barrier(conf);
+ freeze_array(conf, 0);
clear_bit(Replacement, &repl->flags);
p->rdev = repl;
conf->mirrors[conf->raid_disks + number].rdev = NULL;
- lower_barrier(conf);
+ unfreeze_array(conf);
clear_bit(WantReplacement, &rdev->flags);
} else
clear_bit(WantReplacement, &rdev->flags);
@@ -2089,7 +2099,7 @@ static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio)
* frozen
*/
if (mddev->ro == 0) {
- freeze_array(conf);
+ freeze_array(conf, 1);
fix_read_error(conf, r1_bio->read_disk,
r1_bio->sector, r1_bio->sectors);
unfreeze_array(conf);
@@ -2852,7 +2862,7 @@ static int raid1_reshape(struct mddev *mddev)
return -ENOMEM;
}

- raise_barrier(conf);
+ freeze_array(conf, 0);

/* ok, everything is stopped */
oldpool = conf->r1bio_pool;
@@ -2884,7 +2894,7 @@ static int raid1_reshape(struct mddev *mddev)
mddev->delta_disks = 0;

conf->last_used = 0; /* just make sure it is in-range */
- lower_barrier(conf);
+ unfreeze_array(conf);

set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
md_wakeup_thread(mddev->thread);
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index e97d046..e76227e 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -461,7 +461,17 @@ static void raid10_end_write_request(struct bio *bio, int error)
sector_t first_bad;
int bad_sectors;

- set_bit(R10BIO_Uptodate, &r10_bio->state);
+ /*
+ * Do not set R10BIO_Uptodate if the current device is
+ * rebuilding or Faulty. This is because we cannot use
+ * such device for properly reading the data back (we could
+ * potentially use it, if the current write would have felt
+ * before rdev->recovery_offset, but for simplicity we don't
+ * check this here.
+ */
+ if (test_bit(In_sync, &rdev->flags) &&
+ !test_bit(Faulty, &rdev->flags))
+ set_bit(R10BIO_Uptodate, &r10_bio->state);

/* Maybe we can clear some bad blocks. */
if (is_badblock(rdev,
@@ -985,17 +995,17 @@ static void allow_barrier(struct r10conf *conf)
wake_up(&conf->wait_barrier);
}

-static void freeze_array(struct r10conf *conf)
+static void freeze_array(struct r10conf *conf, int extra)
{
/* stop syncio and normal IO and wait for everything to
* go quiet.
* We increment barrier and nr_waiting, and then
- * wait until nr_pending match nr_queued+1
+ * wait until nr_pending match nr_queued+extra
* This is called in the context of one normal IO request
* that has failed. Thus any sync request that might be pending
* will be blocked by nr_pending, and we need to wait for
* pending IO requests to complete or be queued for re-try.
- * Thus the number queued (nr_queued) plus this request (1)
+ * Thus the number queued (nr_queued) plus this request (extra)
* must match the number of pending IOs (nr_pending) before
* we continue.
*/
@@ -1003,7 +1013,7 @@ static void freeze_array(struct r10conf *conf)
conf->barrier++;
conf->nr_waiting++;
wait_event_lock_irq(conf->wait_barrier,
- conf->nr_pending == conf->nr_queued+1,
+ conf->nr_pending == conf->nr_queued+extra,
conf->resync_lock,
flush_pending_writes(conf));

@@ -1705,8 +1715,8 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev)
* we wait for all outstanding requests to complete.
*/
synchronize_sched();
- raise_barrier(conf, 0);
- lower_barrier(conf);
+ freeze_array(conf, 0);
+ unfreeze_array(conf);
clear_bit(Unmerged, &rdev->flags);
}
md_integrity_add_rdev(rdev, mddev);
@@ -2499,7 +2509,7 @@ static void handle_read_error(struct mddev *mddev, struct r10bio *r10_bio)
r10_bio->devs[slot].bio = NULL;

if (mddev->ro == 0) {
- freeze_array(conf);
+ freeze_array(conf, 1);
fix_read_error(conf, mddev, r10_bio);
unfreeze_array(conf);
} else
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 99d4d07..8a0b948 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1631,6 +1631,9 @@ static int tg3_poll_fw(struct tg3 *tp)
int i;
u32 val;

+ if (tg3_flag(tp, NO_FWARE_REPORTED))
+ return 0;
+
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
/* Wait up to 20ms for init done. */
for (i = 0; i < 200; i++) {
@@ -8572,6 +8575,14 @@ static void tg3_rss_write_indir_tbl(struct tg3 *tp)
}
}

+static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp)
+{
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
+ return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719;
+ else
+ return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720;
+}
+
/* tp->lock is held. */
static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
{
@@ -9208,6 +9219,20 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32_f(RDMAC_MODE, rdmac_mode);
udelay(40);

+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) {
+ for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) {
+ if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp))
+ break;
+ }
+ if (i < TG3_NUM_RDMA_CHANNELS) {
+ val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
+ val |= tg3_lso_rd_dma_workaround_bit(tp);
+ tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
+ tg3_flag_set(tp, 5719_5720_RDMA_BUG);
+ }
+ }
+
tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
if (!tg3_flag(tp, 5705_PLUS))
tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
@@ -9429,6 +9454,13 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
*/
static int tg3_init_hw(struct tg3 *tp, int reset_phy)
{
+ /* Chip may have been just powered on. If so, the boot code may still
+ * be running initialization. Wait for it to finish to avoid races in
+ * accessing the hardware.
+ */
+ tg3_enable_register_access(tp);
+ tg3_poll_fw(tp);
+
tg3_switch_clocks(tp);

tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
@@ -9463,6 +9495,16 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp)
TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
+ if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) &&
+ (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low +
+ sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) {
+ u32 val;
+
+ val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
+ val &= ~tg3_lso_rd_dma_workaround_bit(tp);
+ tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
+ tg3_flag_clear(tp, 5719_5720_RDMA_BUG);
+ }

TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index 93865f8..622bbaf 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -1376,7 +1376,12 @@
#define TG3_LSO_RD_DMA_CRPTEN_CTRL 0x00004910
#define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K 0x00030000
#define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K 0x000c0000
-/* 0x4914 --> 0x4c00 unused */
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5719 0x02000000
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5720 0x00200000
+/* 0x4914 --> 0x4be0 unused */
+
+#define TG3_NUM_RDMA_CHANNELS 4
+#define TG3_RDMA_LENGTH 0x00004be0

/* Write DMA control registers */
#define WDMAC_MODE 0x00004c00
@@ -2920,6 +2925,7 @@ enum TG3_FLAGS {
TG3_FLAG_L1PLLPD_EN,
TG3_FLAG_APE_HAS_NCSI,
TG3_FLAG_4K_FIFO_LIMIT,
+ TG3_FLAG_5719_5720_RDMA_BUG,
TG3_FLAG_RESET_TASK_PENDING,
TG3_FLAG_5705_PLUS,
TG3_FLAG_IS_5788,
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index e507e78..3b8c930 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -89,13 +89,17 @@ config ATH9K_MAC_DEBUG
This option enables collection of statistics for Rx/Tx status
data and some other MAC related statistics

-config ATH9K_RATE_CONTROL
+config ATH9K_LEGACY_RATE_CONTROL
bool "Atheros ath9k rate control"
depends on ATH9K
- default y
+ default n
---help---
Say Y, if you want to use the ath9k specific rate control
- module instead of minstrel_ht.
+ module instead of minstrel_ht. Be warned that there are various
+ issues with the ath9k RC and minstrel is a more robust algorithm.
+ Note that even if this option is selected, "ath9k_rate_control"
+ has to be passed to mac80211 using the module parameter,
+ ieee80211_default_rc_algo.

config ATH9K_HTC
tristate "Atheros HTC based wireless cards support"
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 3f0b8472..04b51c5 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -6,7 +6,7 @@ ath9k-y += beacon.o \
xmit.o

ath9k-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += mci.o
-ath9k-$(CONFIG_ATH9K_RATE_CONTROL) += rc.o
+ath9k-$(CONFIG_ATH9K_LEGACY_RATE_CONTROL) += rc.o
ath9k-$(CONFIG_ATH9K_PCI) += pci.o
ath9k-$(CONFIG_ATH9K_AHB) += ahb.o
ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
index bad8cd1..4e2a52c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
@@ -777,11 +777,11 @@ static const u32 ar9300Common_rx_gain_table_2p2[][2] = {
{0x0000a074, 0x00000000},
{0x0000a078, 0x00000000},
{0x0000a07c, 0x00000000},
- {0x0000a080, 0x1a1a1a1a},
- {0x0000a084, 0x1a1a1a1a},
- {0x0000a088, 0x1a1a1a1a},
- {0x0000a08c, 0x1a1a1a1a},
- {0x0000a090, 0x171a1a1a},
+ {0x0000a080, 0x22222229},
+ {0x0000a084, 0x1d1d1d1d},
+ {0x0000a088, 0x1d1d1d1d},
+ {0x0000a08c, 0x1d1d1d1d},
+ {0x0000a090, 0x171d1d1d},
{0x0000a094, 0x11111717},
{0x0000a098, 0x00030311},
{0x0000a09c, 0x00000000},
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index dee9e09..9aa005e 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -696,8 +696,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
hw->wiphy->iface_combinations = &if_comb;
hw->wiphy->n_iface_combinations = 1;

- if (AR_SREV_5416(sc->sc_ah))
- hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+ hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;

hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
@@ -721,10 +720,6 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
sc->ant_rx = hw->wiphy->available_antennas_rx;
sc->ant_tx = hw->wiphy->available_antennas_tx;

-#ifdef CONFIG_ATH9K_RATE_CONTROL
- hw->rate_control_algorithm = "ath9k_rate_control";
-#endif
-
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&sc->sbands[IEEE80211_BAND_2GHZ];
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 75f8e9b..12cf122 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -219,7 +219,7 @@ struct ath_rate_priv {
struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
};

-#ifdef CONFIG_ATH9K_RATE_CONTROL
+#ifdef CONFIG_ATH9K_LEGACY_RATE_CONTROL
int ath_rate_control_register(void);
void ath_rate_control_unregister(void);
#else
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index f8fd420..5b349da 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2451,7 +2451,7 @@ static void b43_request_firmware(struct work_struct *work)
for (i = 0; i < B43_NR_FWTYPES; i++) {
errmsg = ctx->errors[i];
if (strlen(errmsg))
- b43err(dev->wl, errmsg);
+ b43err(dev->wl, "%s", errmsg);
}
b43_print_fw_helptext(dev->wl, 1);
goto out;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index b4f0661..dff75ea 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -763,7 +763,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
memcpy(&lq, priv->stations[i].lq,
sizeof(struct iwl_link_quality_cmd));

- if (!memcmp(&lq, &zero_lq, sizeof(lq)))
+ if (memcmp(&lq, &zero_lq, sizeof(lq)))
send_lq = true;
}
spin_unlock_bh(&priv->sta_lock);
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 526702d..b88afc7 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -36,7 +36,7 @@
#include <linux/skbuff.h>
#include <linux/ethtool.h>
#include <linux/if_ether.h>
-#include <linux/tcp.h>
+#include <net/tcp.h>
#include <linux/udp.h>
#include <linux/moduleparam.h>
#include <linux/mm.h>
@@ -491,6 +491,16 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned int len = skb_headlen(skb);
unsigned long flags;

+ /* If skb->len is too big for wire format, drop skb and alert
+ * user about misconfiguration.
+ */
+ if (unlikely(skb->len > XEN_NETIF_MAX_TX_SIZE)) {
+ net_alert_ratelimited(
+ "xennet: skb->len = %u, too big for wire format\n",
+ skb->len);
+ goto drop;
+ }
+
frags += DIV_ROUND_UP(offset + len, PAGE_SIZE);
if (unlikely(frags > MAX_SKB_FRAGS + 1)) {
printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n",
@@ -1039,7 +1049,8 @@ err:

static int xennet_change_mtu(struct net_device *dev, int mtu)
{
- int max = xennet_can_sg(dev) ? 65535 - ETH_HLEN : ETH_DATA_LEN;
+ int max = xennet_can_sg(dev) ?
+ XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER : ETH_DATA_LEN;

if (mtu > max)
return -EINVAL;
@@ -1343,6 +1354,8 @@ static struct net_device * __devinit xennet_create_dev(struct xenbus_device *dev
SET_ETHTOOL_OPS(netdev, &xennet_ethtool_ops);
SET_NETDEV_DEV(netdev, &dev->dev);

+ netif_set_gso_max_size(netdev, XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER);
+
np->netdev = netdev;

netif_carrier_off(netdev);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 8b5610d..aa232de 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8662,6 +8662,13 @@ static int __must_check __init get_thinkpad_model_data(
tp->model_str = kstrdup(s, GFP_KERNEL);
if (!tp->model_str)
return -ENOMEM;
+ } else {
+ s = dmi_get_system_info(DMI_BIOS_VENDOR);
+ if (s && !(strnicmp(s, "Lenovo", 6))) {
+ tp->model_str = kstrdup(s, GFP_KERNEL);
+ if (!tp->model_str)
+ return -ENOMEM;
+ }
}

s = dmi_get_system_info(DMI_PRODUCT_NAME);
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 795f75a..dc568f7 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -675,7 +675,7 @@ static __devinit int palmas_probe(struct platform_device *pdev)
pmic->desc[id].vsel_mask = SMPS10_VSEL;
pmic->desc[id].enable_reg =
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
- PALMAS_SMPS10_STATUS);
+ PALMAS_SMPS10_CTRL);
pmic->desc[id].enable_mask = SMPS10_BOOST_EN;
}

diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 9277d94..1789a25 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -523,6 +523,7 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev)
}

platform_set_drvdata(pdev, rtc);
+ device_init_wakeup(&pdev->dev, 1);
return 0;

out2:
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index fae7885..3530c2b 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1537,10 +1537,19 @@ static void dwc3_gadget_free_endpoints(struct dwc3 *dwc)

for (epnum = 0; epnum < DWC3_ENDPOINTS_NUM; epnum++) {
dep = dwc->eps[epnum];
- dwc3_free_trb_pool(dep);
-
- if (epnum != 0 && epnum != 1)
+ /*
+ * Physical endpoints 0 and 1 are special; they form the
+ * bi-directional USB endpoint 0.
+ *
+ * For those two physical endpoints, we don't allocate a TRB
+ * pool nor do we add them the endpoints list. Due to that, we
+ * shouldn't do these two operations otherwise we would end up
+ * with all sorts of bugs when removing dwc3.ko.
+ */
+ if (epnum != 0 && epnum != 1) {
+ dwc3_free_trb_pool(dep);
list_del(&dep->endpoint.ep_list);
+ }

kfree(dep);
}
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index ccc9f70..33182c6 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -236,7 +236,7 @@ static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask)
}

static const unsigned char
-max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 };
+max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 };

/* carryover low/fullspeed bandwidth that crosses uframe boundries */
static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8])
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 90ce33b..0618f25 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1847,6 +1847,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
spin_unlock_irqrestore(&xhci->lock, flags);

+ if (!xhci->rh_bw)
+ goto no_bw;
+
num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
for (i = 0; i < num_ports; i++) {
struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
@@ -1865,6 +1868,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
}

+no_bw:
xhci->num_usb2_ports = 0;
xhci->num_usb3_ports = 0;
xhci->num_active_eps = 0;
@@ -2276,6 +2280,9 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
u32 page_size, temp;
int i;

+ INIT_LIST_HEAD(&xhci->lpm_failed_devs);
+ INIT_LIST_HEAD(&xhci->cancel_cmd_list);
+
page_size = xhci_readl(xhci, &xhci->op_regs->page_size);
xhci_dbg(xhci, "Supported page size register = 0x%x\n", page_size);
for (i = 0; i < 16; i++) {
@@ -2354,7 +2361,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
xhci->cmd_ring = xhci_ring_alloc(xhci, 1, 1, TYPE_COMMAND, flags);
if (!xhci->cmd_ring)
goto fail;
- INIT_LIST_HEAD(&xhci->cancel_cmd_list);
xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
xhci_dbg(xhci, "First segment DMA is 0x%llx\n",
(unsigned long long)xhci->cmd_ring->first_seg->dma);
@@ -2465,8 +2471,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
if (xhci_setup_port_arrays(xhci, flags))
goto fail;

- INIT_LIST_HEAD(&xhci->lpm_failed_devs);
-
/* Enable USB 3.0 device notifications for function remote wake, which
* is necessary for allowing USB 3.0 devices to do remote wakeup from
* U3 (device suspend).
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 23a0091..bd96077 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -947,6 +947,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
struct usb_hcd *hcd = xhci_to_hcd(xhci);
struct usb_hcd *secondary_hcd;
int retval = 0;
+ bool comp_timer_running = false;

/* Wait a bit if either of the roothubs need to settle from the
* transition into bus suspend.
@@ -984,6 +985,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)

/* If restore operation fails, re-initialize the HC during resume */
if ((temp & STS_SRE) || hibernated) {
+
+ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
+ !(xhci_all_ports_seen_u0(xhci))) {
+ del_timer_sync(&xhci->comp_mode_recovery_timer);
+ xhci_dbg(xhci, "Compliance Mode Recovery Timer deleted!\n");
+ }
+
/* Let the USB core know _both_ roothubs lost power. */
usb_root_hub_lost_power(xhci->main_hcd->self.root_hub);
usb_root_hub_lost_power(xhci->shared_hcd->self.root_hub);
@@ -1026,6 +1034,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
retval = xhci_init(hcd->primary_hcd);
if (retval)
return retval;
+ comp_timer_running = true;
+
xhci_dbg(xhci, "Start the primary HCD\n");
retval = xhci_run(hcd->primary_hcd);
if (!retval) {
@@ -1067,7 +1077,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
* to suffer the Compliance Mode issue again. It doesn't matter if
* ports have entered previously to U0 before system's suspension.
*/
- if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
+ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && !comp_timer_running)
compliance_mode_recovery_timer_init(xhci);

/* Re-enable port polling. */
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 15bd068..f1173df 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -49,7 +49,7 @@ static bool debug;
#define DRIVER_NAME "ark3116"

/* usb timeout of 1 second */
-#define ARK_TIMEOUT (1*HZ)
+#define ARK_TIMEOUT 1000

static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x6547, 0x0232) },
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index dec5b2f..83a9b0e 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -70,6 +70,7 @@ static const struct usb_device_id id_table_earthmate[] = {
static const struct usb_device_id id_table_cyphidcomrs232[] = {
{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
+ { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
{ } /* Terminating entry */
};

@@ -83,6 +84,7 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
+ { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
{ USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
{ } /* Terminating entry */
};
@@ -235,6 +237,12 @@ static struct usb_serial_driver * const serial_drivers[] = {
* Cypress serial helper functions
*****************************************************************************/

+/* FRWD Dongle hidcom needs to skip reset and speed checks */
+static inline bool is_frwd(struct usb_device *dev)
+{
+ return ((le16_to_cpu(dev->descriptor.idVendor) == VENDOR_ID_FRWD) &&
+ (le16_to_cpu(dev->descriptor.idProduct) == PRODUCT_ID_CYPHIDCOM_FRWD));
+}

static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
{
@@ -244,6 +252,10 @@ static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
if (unstable_bauds)
return new_rate;

+ /* FRWD Dongle uses 115200 bps */
+ if (is_frwd(port->serial->dev))
+ return new_rate;
+
/*
* The general purpose firmware for the Cypress M8 allows for
* a maximum speed of 57600bps (I have no idea whether DeLorme
@@ -452,7 +464,11 @@ static int generic_startup(struct usb_serial *serial)
return -ENOMEM;
}

- usb_reset_configuration(serial->dev);
+ /* Skip reset for FRWD device. It is a workaound:
+ device hangs if it receives SET_CONFIGURE in Configured
+ state. */
+ if (!is_frwd(serial->dev))
+ usb_reset_configuration(serial->dev);

priv->cmd_ctrl = 0;
priv->line_control = 0;
diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h
index 67cf608..b461311 100644
--- a/drivers/usb/serial/cypress_m8.h
+++ b/drivers/usb/serial/cypress_m8.h
@@ -24,6 +24,10 @@
#define VENDOR_ID_CYPRESS 0x04b4
#define PRODUCT_ID_CYPHIDCOM 0x5500

+/* FRWD Dongle - a GPS sports watch */
+#define VENDOR_ID_FRWD 0x6737
+#define PRODUCT_ID_CYPHIDCOM_FRWD 0x0001
+
/* Powercom UPS, chip CY7C63723 */
#define VENDOR_ID_POWERCOM 0x0d9f
#define PRODUCT_ID_UPS 0x0002
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 45e80a7..3dbec15 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2137,7 +2137,7 @@ static void ftdi_set_termios(struct tty_struct *tty,

cflag = termios->c_cflag;

- if (old_termios == 0)
+ if (!old_termios)
goto no_skip;

if (old_termios->c_cflag == termios->c_cflag
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 22b1eb5..3e7980a 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -308,7 +308,7 @@ static int bulk_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
usb_bulk_msg(serial->dev,
usb_sndbulkpipe(serial->dev,
port->bulk_out_endpointAddress), buf,
- count, &actual, HZ * 1);
+ count, &actual, 1000);

if (status != IUU_OPERATION_OK)
dbg("%s - error = %2x", __func__, status);
@@ -328,7 +328,7 @@ static int read_immediate(struct usb_serial_port *port, u8 *buf, u8 count)
usb_bulk_msg(serial->dev,
usb_rcvbulkpipe(serial->dev,
port->bulk_in_endpointAddress), buf,
- count, &actual, HZ * 1);
+ count, &actual, 1000);

if (status != IUU_OPERATION_OK)
dbg("%s - error = %2x", __func__, status);
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index a1b9924..2d35ad4 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1670,7 +1670,7 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial,
d_details = s_priv->device_details;
device_port = port->number - port->serial->minor;

- outcont_urb = d_details->outcont_endpoints[port->number];
+ outcont_urb = d_details->outcont_endpoints[device_port];
this_urb = p_priv->outcont_urb;

dbg("%s - endpoint %d", __func__, usb_pipeendpoint(this_urb->pipe));
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index a07dd3c..614ad93 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -44,7 +44,7 @@
#define DRIVER_DESC "Moschip USB Serial Driver"

/* default urb timeout */
-#define MOS_WDR_TIMEOUT (HZ * 5)
+#define MOS_WDR_TIMEOUT 5000

#define MOS_MAX_PORT 0x02
#define MOS_WRITE 0x0E
@@ -234,11 +234,22 @@ static int read_mos_reg(struct usb_serial *serial, unsigned int serial_portnum,
__u8 requesttype = (__u8)0xc0;
__u16 index = get_reg_index(reg);
__u16 value = get_reg_value(reg, serial_portnum);
- int status = usb_control_msg(usbdev, pipe, request, requesttype, value,
- index, data, 1, MOS_WDR_TIMEOUT);
- if (status < 0)
+ u8 *buf;
+ int status;
+
+ buf = kmalloc(1, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ status = usb_control_msg(usbdev, pipe, request, requesttype, value,
+ index, buf, 1, MOS_WDR_TIMEOUT);
+ if (status == 1)
+ *data = *buf;
+ else if (status < 0)
dev_err(&usbdev->dev,
"mos7720: usb_control_msg() failed: %d", status);
+ kfree(buf);
+
return status;
}

@@ -1684,7 +1695,7 @@ static void change_port_settings(struct tty_struct *tty,
mos7720_port->shadowMCR |= (UART_MCR_XONANY);
/* To set hardware flow control to the specified *
* serial port, in SP1/2_CONTROL_REG */
- if (port->number)
+ if (port_number)
write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x01);
else
write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x02);
@@ -2088,7 +2099,7 @@ static int mos7720_startup(struct usb_serial *serial)

/* setting configuration feature to one */
usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
- (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5*HZ);
+ (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5000);

/* start the interrupt urb */
ret_val = usb_submit_urb(serial->port[0]->interrupt_in_urb, GFP_KERNEL);
@@ -2133,7 +2144,7 @@ static void mos7720_release(struct usb_serial *serial)
/* wait for synchronous usb calls to return */
if (mos_parport->msg_pending)
wait_for_completion_timeout(&mos_parport->syncmsg_compl,
- MOS_WDR_TIMEOUT);
+ msecs_to_jiffies(MOS_WDR_TIMEOUT));

parport_remove_port(mos_parport->pp);
usb_set_serial_data(serial, NULL);
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 2727955..dada37f 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2342,13 +2342,21 @@ static int mos7840_ioctl(struct tty_struct *tty,
static int mos7810_check(struct usb_serial *serial)
{
int i, pass_count = 0;
+ u8 *buf;
__u16 data = 0, mcr_data = 0;
__u16 test_pattern = 0x55AA;
+ int res;
+
+ buf = kmalloc(VENDOR_READ_LENGTH, GFP_KERNEL);
+ if (!buf)
+ return 0; /* failed to identify 7810 */

/* Store MCR setting */
- usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
MCS_RDREQ, MCS_RD_RTYPE, 0x0300, MODEM_CONTROL_REGISTER,
- &mcr_data, VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+ buf, VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+ if (res == VENDOR_READ_LENGTH)
+ mcr_data = *buf;

for (i = 0; i < 16; i++) {
/* Send the 1-bit test pattern out to MCS7810 test pin */
@@ -2358,9 +2366,12 @@ static int mos7810_check(struct usb_serial *serial)
MODEM_CONTROL_REGISTER, NULL, 0, MOS_WDR_TIMEOUT);

/* Read the test pattern back */
- usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
- MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &data,
- VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+ res = usb_control_msg(serial->dev,
+ usb_rcvctrlpipe(serial->dev, 0), MCS_RDREQ,
+ MCS_RD_RTYPE, 0, GPIO_REGISTER, buf,
+ VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+ if (res == VENDOR_READ_LENGTH)
+ data = *buf;

/* If this is a MCS7810 device, both test patterns must match */
if (((test_pattern >> i) ^ (~data >> 1)) & 0x0001)
@@ -2374,6 +2385,8 @@ static int mos7810_check(struct usb_serial *serial)
MCS_WR_RTYPE, 0x0300 | mcr_data, MODEM_CONTROL_REGISTER, NULL,
0, MOS_WDR_TIMEOUT);

+ kfree(buf);
+
if (pass_count == 16)
return 1;

@@ -2383,11 +2396,17 @@ static int mos7810_check(struct usb_serial *serial)
static int mos7840_calc_num_ports(struct usb_serial *serial)
{
__u16 data = 0x00;
+ u8 *buf;
int mos7840_num_ports;

- usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
- MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &data,
- VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+ buf = kzalloc(VENDOR_READ_LENGTH, GFP_KERNEL);
+ if (buf) {
+ usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, buf,
+ VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+ data = *buf;
+ kfree(buf);
+ }

if (serial->dev->descriptor.idProduct == MOSCHIP_DEVICE_ID_7810 ||
serial->dev->descriptor.idProduct == MOSCHIP_DEVICE_ID_7820) {
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 38ea4b7..ccd2d11 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -593,6 +593,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x14ac, 0xff, 0xff, 0xff), /* Huawei E1820 */
+ .driver_info = (kernel_ulong_t) &net_intf1_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0xff, 0xff) },
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 6fe8d0e..5150a27 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -258,7 +258,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
serial settings even to the same values as before. Thus
we actually need to filter in this specific case */

- if (!tty_termios_hw_change(tty->termios, old_termios))
+ if (old_termios && !tty_termios_hw_change(tty->termios, old_termios))
return;

cflag = tty->termios->c_cflag;
@@ -267,7 +267,8 @@ static void pl2303_set_termios(struct tty_struct *tty,
if (!buf) {
dev_err(&port->dev, "%s - out of memory.\n", __func__);
/* Report back no change occurred */
- *tty->termios = *old_termios;
+ if (old_termios)
+ *tty->termios = *old_termios;
return;
}

@@ -407,7 +408,7 @@ static void pl2303_set_termios(struct tty_struct *tty,
control = priv->line_control;
if ((cflag & CBAUD) == B0)
priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
- else if ((old_termios->c_cflag & CBAUD) == B0)
+ else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
if (control != priv->line_control) {
control = priv->line_control;
@@ -466,7 +467,6 @@ static void pl2303_close(struct usb_serial_port *port)

static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int result;
@@ -482,7 +482,7 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)

/* Setup termios */
if (tty)
- pl2303_set_termios(tty, port, &tmp_termios);
+ pl2303_set_termios(tty, port, NULL);

result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result) {
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 4302733..5fd9122 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -115,6 +115,8 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
{USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
{USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
+ {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
+
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 66a4871..10760f2 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -329,7 +329,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
unsigned int cflag = tty->termios->c_cflag;
- unsigned int old_cflag = old_termios->c_cflag;
unsigned short uartdata;
unsigned char buf[2] = {0, 0};
int baud;
@@ -338,15 +337,15 @@ static void spcp8x5_set_termios(struct tty_struct *tty,

/* check that they really want us to change something */
- if (!tty_termios_hw_change(tty->termios, old_termios))
+ if (old_termios && !tty_termios_hw_change(tty->termios, old_termios))
return;

/* set DTR/RTS active */
spin_lock_irqsave(&priv->lock, flags);
control = priv->line_control;
- if ((old_cflag & CBAUD) == B0) {
+ if (old_termios && (old_termios->c_cflag & CBAUD) == B0) {
priv->line_control |= MCR_DTR;
- if (!(old_cflag & CRTSCTS))
+ if (!(old_termios->c_cflag & CRTSCTS))
priv->line_control |= MCR_RTS;
}
if (control != priv->line_control) {
@@ -436,7 +435,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
* status of the device. */
static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
int ret;
@@ -457,7 +455,7 @@ static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)

/* Setup termios */
if (tty)
- spcp8x5_set_termios(tty, port, &tmp_termios);
+ spcp8x5_set_termios(tty, port, NULL);

spcp8x5_get_msr(serial->dev, &status, priv->type);

diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index f253c91..4b53336 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -570,10 +570,19 @@ static int treo_attach(struct usb_serial *serial)
*/
#define COPY_PORT(dest, src) \
do { \
+ int i; \
+ \
+ for (i = 0; i < ARRAY_SIZE(src->read_urbs); ++i) { \
+ dest->read_urbs[i] = src->read_urbs[i]; \
+ dest->read_urbs[i]->context = dest; \
+ dest->bulk_in_buffers[i] = src->bulk_in_buffers[i]; \
+ } \
dest->read_urb = src->read_urb; \
dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\
dest->bulk_in_buffer = src->bulk_in_buffer; \
+ dest->bulk_in_size = src->bulk_in_size; \
dest->interrupt_in_urb = src->interrupt_in_urb; \
+ dest->interrupt_in_urb->context = dest; \
dest->interrupt_in_endpointAddress = \
src->interrupt_in_endpointAddress;\
dest->interrupt_in_buffer = src->interrupt_in_buffer; \
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index b65ac03..65e093e 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -727,7 +727,7 @@ static void firm_setup_port(struct tty_struct *tty)
struct whiteheat_port_settings port_settings;
unsigned int cflag = tty->termios->c_cflag;

- port_settings.port = port->number + 1;
+ port_settings.port = port->number - port->serial->minor + 1;

/* get the byte size */
switch (cflag & CSIZE) {
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 99c5345..b5b559a 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -1267,7 +1267,7 @@ static void __xen_evtchn_do_upcall(void)
{
int start_word_idx, start_bit_idx;
int word_idx, bit_idx;
- int i;
+ int i, irq;
int cpu = get_cpu();
struct shared_info *s = HYPERVISOR_shared_info;
struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
@@ -1275,6 +1275,8 @@ static void __xen_evtchn_do_upcall(void)

do {
unsigned long pending_words;
+ unsigned long pending_bits;
+ struct irq_desc *desc;

vcpu_info->evtchn_upcall_pending = 0;

@@ -1285,6 +1287,17 @@ static void __xen_evtchn_do_upcall(void)
/* Clear master flag /before/ clearing selector flag. */
wmb();
#endif
+ if ((irq = per_cpu(virq_to_irq, cpu)[VIRQ_TIMER]) != -1) {
+ int evtchn = evtchn_from_irq(irq);
+ word_idx = evtchn / BITS_PER_LONG;
+ pending_bits = evtchn % BITS_PER_LONG;
+ if (active_evtchns(cpu, s, word_idx) & (1ULL << pending_bits)) {
+ desc = irq_to_desc(irq);
+ if (desc)
+ generic_handle_irq_desc(irq, desc);
+ }
+ }
+
pending_words = xchg(&vcpu_info->evtchn_pending_sel, 0);

start_word_idx = __this_cpu_read(current_word_idx);
@@ -1293,7 +1306,6 @@ static void __xen_evtchn_do_upcall(void)
word_idx = start_word_idx;

for (i = 0; pending_words != 0; i++) {
- unsigned long pending_bits;
unsigned long words;

words = MASK_LSBS(pending_words, word_idx);
@@ -1322,8 +1334,7 @@ static void __xen_evtchn_do_upcall(void)

do {
unsigned long bits;
- int port, irq;
- struct irq_desc *desc;
+ int port;

bits = MASK_LSBS(pending_bits, bit_idx);

diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index 80576d05..bb5fb3d 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -191,27 +191,23 @@ void ceph_count_locks(struct inode *inode, int *fcntl_count, int *flock_count)
}

/**
- * Encode the flock and fcntl locks for the given inode into the pagelist.
- * Format is: #fcntl locks, sequential fcntl locks, #flock locks,
- * sequential flock locks.
- * Must be called with lock_flocks() already held.
- * If we encounter more of a specific lock type than expected,
- * we return the value 1.
+ * Encode the flock and fcntl locks for the given inode into the ceph_filelock
+ * array. Must be called with lock_flocks() already held.
+ * If we encounter more of a specific lock type than expected, return -ENOSPC.
*/
-int ceph_encode_locks(struct inode *inode, struct ceph_pagelist *pagelist,
- int num_fcntl_locks, int num_flock_locks)
+int ceph_encode_locks_to_buffer(struct inode *inode,
+ struct ceph_filelock *flocks,
+ int num_fcntl_locks, int num_flock_locks)
{
struct file_lock *lock;
- struct ceph_filelock cephlock;
int err = 0;
int seen_fcntl = 0;
int seen_flock = 0;
+ int l = 0;

dout("encoding %d flock and %d fcntl locks", num_flock_locks,
num_fcntl_locks);
- err = ceph_pagelist_append(pagelist, &num_fcntl_locks, sizeof(u32));
- if (err)
- goto fail;
+
for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) {
if (lock->fl_flags & FL_POSIX) {
++seen_fcntl;
@@ -219,19 +215,12 @@ int ceph_encode_locks(struct inode *inode, struct ceph_pagelist *pagelist,
err = -ENOSPC;
goto fail;
}
- err = lock_to_ceph_filelock(lock, &cephlock);
+ err = lock_to_ceph_filelock(lock, &flocks[l]);
if (err)
goto fail;
- err = ceph_pagelist_append(pagelist, &cephlock,
- sizeof(struct ceph_filelock));
+ ++l;
}
- if (err)
- goto fail;
}
-
- err = ceph_pagelist_append(pagelist, &num_flock_locks, sizeof(u32));
- if (err)
- goto fail;
for (lock = inode->i_flock; lock != NULL; lock = lock->fl_next) {
if (lock->fl_flags & FL_FLOCK) {
++seen_flock;
@@ -239,19 +228,51 @@ int ceph_encode_locks(struct inode *inode, struct ceph_pagelist *pagelist,
err = -ENOSPC;
goto fail;
}
- err = lock_to_ceph_filelock(lock, &cephlock);
+ err = lock_to_ceph_filelock(lock, &flocks[l]);
if (err)
goto fail;
- err = ceph_pagelist_append(pagelist, &cephlock,
- sizeof(struct ceph_filelock));
+ ++l;
}
- if (err)
- goto fail;
}
fail:
return err;
}

+/**
+ * Copy the encoded flock and fcntl locks into the pagelist.
+ * Format is: #fcntl locks, sequential fcntl locks, #flock locks,
+ * sequential flock locks.
+ * Returns zero on success.
+ */
+int ceph_locks_to_pagelist(struct ceph_filelock *flocks,
+ struct ceph_pagelist *pagelist,
+ int num_fcntl_locks, int num_flock_locks)
+{
+ int err = 0;
+ __le32 nlocks;
+
+ nlocks = cpu_to_le32(num_fcntl_locks);
+ err = ceph_pagelist_append(pagelist, &nlocks, sizeof(nlocks));
+ if (err)
+ goto out_fail;
+
+ err = ceph_pagelist_append(pagelist, flocks,
+ num_fcntl_locks * sizeof(*flocks));
+ if (err)
+ goto out_fail;
+
+ nlocks = cpu_to_le32(num_flock_locks);
+ err = ceph_pagelist_append(pagelist, &nlocks, sizeof(nlocks));
+ if (err)
+ goto out_fail;
+
+ err = ceph_pagelist_append(pagelist,
+ &flocks[num_fcntl_locks],
+ num_flock_locks * sizeof(*flocks));
+out_fail:
+ return err;
+}
+
/*
* Given a pointer to a lock, convert it to a ceph filelock
*/
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 7f1682d..0b26ea8 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -335,9 +335,9 @@ void ceph_put_mds_session(struct ceph_mds_session *s)
atomic_read(&s->s_ref), atomic_read(&s->s_ref)-1);
if (atomic_dec_and_test(&s->s_ref)) {
if (s->s_auth.authorizer)
- s->s_mdsc->fsc->client->monc.auth->ops->destroy_authorizer(
- s->s_mdsc->fsc->client->monc.auth,
- s->s_auth.authorizer);
+ ceph_auth_destroy_authorizer(
+ s->s_mdsc->fsc->client->monc.auth,
+ s->s_auth.authorizer);
kfree(s);
}
}
@@ -2450,39 +2450,44 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,

if (recon_state->flock) {
int num_fcntl_locks, num_flock_locks;
- struct ceph_pagelist_cursor trunc_point;
-
- ceph_pagelist_set_cursor(pagelist, &trunc_point);
- do {
- lock_flocks();
- ceph_count_locks(inode, &num_fcntl_locks,
- &num_flock_locks);
- rec.v2.flock_len = (2*sizeof(u32) +
- (num_fcntl_locks+num_flock_locks) *
- sizeof(struct ceph_filelock));
- unlock_flocks();
-
- /* pre-alloc pagelist */
- ceph_pagelist_truncate(pagelist, &trunc_point);
- err = ceph_pagelist_append(pagelist, &rec, reclen);
- if (!err)
- err = ceph_pagelist_reserve(pagelist,
- rec.v2.flock_len);
-
- /* encode locks */
- if (!err) {
- lock_flocks();
- err = ceph_encode_locks(inode,
- pagelist,
- num_fcntl_locks,
- num_flock_locks);
- unlock_flocks();
- }
- } while (err == -ENOSPC);
+ struct ceph_filelock *flocks;
+
+encode_again:
+ lock_flocks();
+ ceph_count_locks(inode, &num_fcntl_locks, &num_flock_locks);
+ unlock_flocks();
+ flocks = kmalloc((num_fcntl_locks+num_flock_locks) *
+ sizeof(struct ceph_filelock), GFP_NOFS);
+ if (!flocks) {
+ err = -ENOMEM;
+ goto out_free;
+ }
+ lock_flocks();
+ err = ceph_encode_locks_to_buffer(inode, flocks,
+ num_fcntl_locks,
+ num_flock_locks);
+ unlock_flocks();
+ if (err) {
+ kfree(flocks);
+ if (err == -ENOSPC)
+ goto encode_again;
+ goto out_free;
+ }
+ /*
+ * number of encoded locks is stable, so copy to pagelist
+ */
+ rec.v2.flock_len = cpu_to_le32(2*sizeof(u32) +
+ (num_fcntl_locks+num_flock_locks) *
+ sizeof(struct ceph_filelock));
+ err = ceph_pagelist_append(pagelist, &rec, reclen);
+ if (!err)
+ err = ceph_locks_to_pagelist(flocks, pagelist,
+ num_fcntl_locks,
+ num_flock_locks);
+ kfree(flocks);
} else {
err = ceph_pagelist_append(pagelist, &rec, reclen);
}
-
out_free:
kfree(path);
out_dput:
@@ -3408,13 +3413,17 @@ static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con,
struct ceph_auth_handshake *auth = &s->s_auth;

if (force_new && auth->authorizer) {
- if (ac->ops && ac->ops->destroy_authorizer)
- ac->ops->destroy_authorizer(ac, auth->authorizer);
+ ceph_auth_destroy_authorizer(ac, auth->authorizer);
auth->authorizer = NULL;
}
- if (!auth->authorizer && ac->ops && ac->ops->create_authorizer) {
- int ret = ac->ops->create_authorizer(ac, CEPH_ENTITY_TYPE_MDS,
- auth);
+ if (!auth->authorizer) {
+ int ret = ceph_auth_create_authorizer(ac, CEPH_ENTITY_TYPE_MDS,
+ auth);
+ if (ret)
+ return ERR_PTR(ret);
+ } else {
+ int ret = ceph_auth_update_authorizer(ac, CEPH_ENTITY_TYPE_MDS,
+ auth);
if (ret)
return ERR_PTR(ret);
}
@@ -3430,7 +3439,7 @@ static int verify_authorizer_reply(struct ceph_connection *con, int len)
struct ceph_mds_client *mdsc = s->s_mdsc;
struct ceph_auth_client *ac = mdsc->fsc->client->monc.auth;

- return ac->ops->verify_authorizer_reply(ac, s->s_auth.authorizer, len);
+ return ceph_auth_verify_authorizer_reply(ac, s->s_auth.authorizer, len);
}

static int invalidate_authorizer(struct ceph_connection *con)
@@ -3439,8 +3448,7 @@ static int invalidate_authorizer(struct ceph_connection *con)
struct ceph_mds_client *mdsc = s->s_mdsc;
struct ceph_auth_client *ac = mdsc->fsc->client->monc.auth;

- if (ac->ops->invalidate_authorizer)
- ac->ops->invalidate_authorizer(ac, CEPH_ENTITY_TYPE_MDS);
+ ceph_auth_invalidate_authorizer(ac, CEPH_ENTITY_TYPE_MDS);

return ceph_monc_validate_auth(&mdsc->fsc->client->monc);
}
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 1e67dd7..a7a70ee 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -70,8 +70,14 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
/*
* express utilization in terms of large blocks to avoid
* overflow on 32-bit machines.
+ *
+ * NOTE: for the time being, we make bsize == frsize to humor
+ * not-yet-ancient versions of glibc that are broken.
+ * Someday, we will probably want to report a real block
+ * size... whatever that may mean for a network file system!
*/
buf->f_bsize = 1 << CEPH_BLOCK_SHIFT;
+ buf->f_frsize = 1 << CEPH_BLOCK_SHIFT;
buf->f_blocks = le64_to_cpu(st.kb) >> (CEPH_BLOCK_SHIFT-10);
buf->f_bfree = le64_to_cpu(st.kb_avail) >> (CEPH_BLOCK_SHIFT-10);
buf->f_bavail = le64_to_cpu(st.kb_avail) >> (CEPH_BLOCK_SHIFT-10);
@@ -79,7 +85,6 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_files = le64_to_cpu(st.num_objects);
buf->f_ffree = -1;
buf->f_namelen = NAME_MAX;
- buf->f_frsize = PAGE_CACHE_SIZE;

/* leave fsid little-endian, regardless of host endianness */
fsid = *(u64 *)(&monmap->fsid) ^ *((u64 *)&monmap->fsid + 1);
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index fc35036..d2e01a6 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -21,7 +21,7 @@

/* large granularity for statfs utilization stats to facilitate
* large volume sizes on 32-bit machines. */
-#define CEPH_BLOCK_SHIFT 20 /* 1 MB */
+#define CEPH_BLOCK_SHIFT 22 /* 4 MB */
#define CEPH_BLOCK (1 << CEPH_BLOCK_SHIFT)

#define CEPH_MOUNT_OPT_DIRSTAT (1<<4) /* `cat dirname` for stats */
@@ -847,8 +847,13 @@ extern const struct export_operations ceph_export_ops;
extern int ceph_lock(struct file *file, int cmd, struct file_lock *fl);
extern int ceph_flock(struct file *file, int cmd, struct file_lock *fl);
extern void ceph_count_locks(struct inode *inode, int *p_num, int *f_num);
-extern int ceph_encode_locks(struct inode *i, struct ceph_pagelist *p,
- int p_locks, int f_locks);
+extern int ceph_encode_locks_to_buffer(struct inode *inode,
+ struct ceph_filelock *flocks,
+ int num_fcntl_locks,
+ int num_flock_locks);
+extern int ceph_locks_to_pagelist(struct ceph_filelock *flocks,
+ struct ceph_pagelist *pagelist,
+ int num_fcntl_locks, int num_flock_locks);
extern int lock_to_ceph_filelock(struct file_lock *fl, struct ceph_filelock *c);

/* debugfs.c */
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index df4b8db..89abdd7 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2208,7 +2208,9 @@ static void ext4_orphan_cleanup(struct super_block *sb,
__func__, inode->i_ino, inode->i_size);
jbd_debug(2, "truncating inode %lu to %lld bytes\n",
inode->i_ino, inode->i_size);
+ mutex_lock(&inode->i_mutex);
ext4_truncate(inode);
+ mutex_unlock(&inode->i_mutex);
nr_truncates++;
} else {
ext4_msg(sb, KERN_DEBUG,
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index 89d2a58..4816908 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -50,7 +50,7 @@ static secno hpfs_bmap(struct inode *inode, unsigned file_secno)
return disk_secno;
}

-static void hpfs_truncate(struct inode *i)
+void hpfs_truncate(struct inode *i)
{
if (IS_IMMUTABLE(i)) return /*-EPERM*/;
hpfs_lock_assert(i->i_sb);
@@ -105,6 +105,20 @@ static int hpfs_readpage(struct file *file, struct page *page)
return block_read_full_page(page,hpfs_get_block);
}

+static void hpfs_write_failed(struct address_space *mapping, loff_t to)
+{
+ struct inode *inode = mapping->host;
+
+ hpfs_lock(inode->i_sb);
+
+ if (to > inode->i_size) {
+ truncate_pagecache(inode, to, inode->i_size);
+ hpfs_truncate(inode);
+ }
+
+ hpfs_unlock(inode->i_sb);
+}
+
static int hpfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@@ -115,11 +129,8 @@ static int hpfs_write_begin(struct file *file, struct address_space *mapping,
ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
hpfs_get_block,
&hpfs_i(mapping->host)->mmu_private);
- if (unlikely(ret)) {
- loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
- }
+ if (unlikely(ret))
+ hpfs_write_failed(mapping, pos + len);

return ret;
}
@@ -166,6 +177,5 @@ const struct file_operations hpfs_file_ops =

const struct inode_operations hpfs_file_iops =
{
- .truncate = hpfs_truncate,
.setattr = hpfs_setattr,
};
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index c07ef1f..2623e7e 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -252,6 +252,7 @@ void hpfs_set_ea(struct inode *, struct fnode *, const char *,
/* file.c */

int hpfs_file_fsync(struct file *, loff_t, loff_t, int);
+void hpfs_truncate(struct inode *);
extern const struct file_operations hpfs_file_ops;
extern const struct inode_operations hpfs_file_iops;
extern const struct address_space_operations hpfs_aops;
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index ed671e0..4c57a50 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -274,9 +274,12 @@ int hpfs_setattr(struct dentry *dentry, struct iattr *attr)

if ((attr->ia_valid & ATTR_SIZE) &&
attr->ia_size != i_size_read(inode)) {
- error = vmtruncate(inode, attr->ia_size);
+ error = inode_newsize_ok(inode, attr->ia_size);
if (error)
goto out_unlock;
+
+ truncate_setsize(inode, attr->ia_size);
+ hpfs_truncate(inode);
}

setattr_copy(inode, attr);
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index bd4b5a7..bdfabda 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -21,12 +21,12 @@ extern wait_queue_head_t log_wait;

static int kmsg_open(struct inode * inode, struct file * file)
{
- return do_syslog(SYSLOG_ACTION_OPEN, NULL, 0, SYSLOG_FROM_FILE);
+ return do_syslog(SYSLOG_ACTION_OPEN, NULL, 0, SYSLOG_FROM_PROC);
}

static int kmsg_release(struct inode * inode, struct file * file)
{
- (void) do_syslog(SYSLOG_ACTION_CLOSE, NULL, 0, SYSLOG_FROM_FILE);
+ (void) do_syslog(SYSLOG_ACTION_CLOSE, NULL, 0, SYSLOG_FROM_PROC);
return 0;
}

@@ -34,15 +34,15 @@ static ssize_t kmsg_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
if ((file->f_flags & O_NONBLOCK) &&
- !do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_FILE))
+ !do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC))
return -EAGAIN;
- return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_FILE);
+ return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_PROC);
}

static unsigned int kmsg_poll(struct file *file, poll_table *wait)
{
poll_wait(file, &log_wait, wait);
- if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_FILE))
+ if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_PROC))
return POLLIN | POLLRDNORM;
return 0;
}
diff --git a/include/linux/ceph/auth.h b/include/linux/ceph/auth.h
index d4080f3..5f33868 100644
--- a/include/linux/ceph/auth.h
+++ b/include/linux/ceph/auth.h
@@ -52,6 +52,9 @@ struct ceph_auth_client_ops {
*/
int (*create_authorizer)(struct ceph_auth_client *ac, int peer_type,
struct ceph_auth_handshake *auth);
+ /* ensure that an existing authorizer is up to date */
+ int (*update_authorizer)(struct ceph_auth_client *ac, int peer_type,
+ struct ceph_auth_handshake *auth);
int (*verify_authorizer_reply)(struct ceph_auth_client *ac,
struct ceph_authorizer *a, size_t len);
void (*destroy_authorizer)(struct ceph_auth_client *ac,
@@ -75,6 +78,8 @@ struct ceph_auth_client {
u64 global_id; /* our unique id in system */
const struct ceph_crypto_key *key; /* our secret key */
unsigned want_keys; /* which services we want */
+
+ struct mutex mutex;
};

extern struct ceph_auth_client *ceph_auth_init(const char *name,
@@ -94,5 +99,18 @@ extern int ceph_build_auth(struct ceph_auth_client *ac,
void *msg_buf, size_t msg_len);

extern int ceph_auth_is_authenticated(struct ceph_auth_client *ac);
+extern int ceph_auth_create_authorizer(struct ceph_auth_client *ac,
+ int peer_type,
+ struct ceph_auth_handshake *auth);
+extern void ceph_auth_destroy_authorizer(struct ceph_auth_client *ac,
+ struct ceph_authorizer *a);
+extern int ceph_auth_update_authorizer(struct ceph_auth_client *ac,
+ int peer_type,
+ struct ceph_auth_handshake *a);
+extern int ceph_auth_verify_authorizer_reply(struct ceph_auth_client *ac,
+ struct ceph_authorizer *a,
+ size_t len);
+extern void ceph_auth_invalidate_authorizer(struct ceph_auth_client *ac,
+ int peer_type);

#endif
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index ce7a074..714e792 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -175,6 +175,8 @@ extern struct bus_type cpu_subsys;

extern void get_online_cpus(void);
extern void put_online_cpus(void);
+extern void cpu_hotplug_disable(void);
+extern void cpu_hotplug_enable(void);
#define hotcpu_notifier(fn, pri) cpu_notifier(fn, pri)
#define register_hotcpu_notifier(nb) register_cpu_notifier(nb)
#define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb)
@@ -198,6 +200,8 @@ static inline void cpu_hotplug_driver_unlock(void)

#define get_online_cpus() do { } while (0)
#define put_online_cpus() do { } while (0)
+#define cpu_hotplug_disable() do { } while (0)
+#define cpu_hotplug_enable() do { } while (0)
#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0)
/* These aren't inline functions due to a GCC bug. */
#define register_hotcpu_notifier(nb) ({ (void)(nb); 0; })
diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index 47ead51..c5fd30d 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -137,6 +137,7 @@ static inline void make_migration_entry_read(swp_entry_t *entry)

extern void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
unsigned long address);
+extern void migration_entry_wait_huge(struct mm_struct *mm, pte_t *pte);
#else

#define make_migration_entry(page, write) swp_entry(0, 0)
@@ -148,6 +149,8 @@ static inline int is_migration_entry(swp_entry_t swp)
static inline void make_migration_entry_read(swp_entry_t *entryp) { }
static inline void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
unsigned long address) { }
+static inline void migration_entry_wait_huge(struct mm_struct *mm,
+ pte_t *pte) { }
static inline int is_write_migration_entry(swp_entry_t entry)
{
return 0;
diff --git a/include/linux/syslog.h b/include/linux/syslog.h
index 3891139..98a3153 100644
--- a/include/linux/syslog.h
+++ b/include/linux/syslog.h
@@ -44,8 +44,8 @@
/* Return size of the log buffer */
#define SYSLOG_ACTION_SIZE_BUFFER 10

-#define SYSLOG_FROM_CALL 0
-#define SYSLOG_FROM_FILE 1
+#define SYSLOG_FROM_READER 0
+#define SYSLOG_FROM_PROC 1

int do_syslog(int type, char __user *buf, int count, bool from_file);

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 9fc7728..e3fe61f 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -981,6 +981,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event);
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
int mgmt_index_added(struct hci_dev *hdev);
int mgmt_index_removed(struct hci_dev *hdev);
+int mgmt_set_powered_failed(struct hci_dev *hdev, int err);
int mgmt_powered(struct hci_dev *hdev, u8 powered);
int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 23fd054..4ea860e 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -42,6 +42,7 @@
#define MGMT_STATUS_NOT_POWERED 0x0f
#define MGMT_STATUS_CANCELLED 0x10
#define MGMT_STATUS_INVALID_INDEX 0x11
+#define MGMT_STATUS_RFKILLED 0x12

struct mgmt_hdr {
__le16 opcode;
diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h
index a36c87a..d4635cd 100644
--- a/include/xen/interface/io/netif.h
+++ b/include/xen/interface/io/netif.h
@@ -65,6 +65,7 @@
#define _XEN_NETTXF_extra_info (3)
#define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info)

+#define XEN_NETIF_MAX_TX_SIZE 0xFFFF
struct xen_netif_tx_request {
grant_ref_t gref; /* Reference to buffer page */
uint16_t offset; /* Offset within buffer page */
diff --git a/kernel/audit.c b/kernel/audit.c
index 1c7f2c6..5917dfe 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1167,7 +1167,7 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,

/* Wait for auditd to drain the queue a little */
DECLARE_WAITQUEUE(wait, current);
- set_current_state(TASK_INTERRUPTIBLE);
+ set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&audit_backlog_wait, &wait);

if (audit_backlog_limit &&
diff --git a/kernel/cpu.c b/kernel/cpu.c
index a4eb522..42b5ffc 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -129,6 +129,27 @@ static void cpu_hotplug_done(void)
mutex_unlock(&cpu_hotplug.lock);
}

+/*
+ * Wait for currently running CPU hotplug operations to complete (if any) and
+ * disable future CPU hotplug (from sysfs). The 'cpu_add_remove_lock' protects
+ * the 'cpu_hotplug_disabled' flag. The same lock is also acquired by the
+ * hotplug path before performing hotplug operations. So acquiring that lock
+ * guarantees mutual exclusion from any currently running hotplug operations.
+ */
+void cpu_hotplug_disable(void)
+{
+ cpu_maps_update_begin();
+ cpu_hotplug_disabled = 1;
+ cpu_maps_update_done();
+}
+
+void cpu_hotplug_enable(void)
+{
+ cpu_maps_update_begin();
+ cpu_hotplug_disabled = 0;
+ cpu_maps_update_done();
+}
+
#else /* #if CONFIG_HOTPLUG_CPU */
static void cpu_hotplug_begin(void) {}
static void cpu_hotplug_done(void) {}
@@ -534,36 +555,6 @@ static int __init alloc_frozen_cpus(void)
core_initcall(alloc_frozen_cpus);

/*
- * Prevent regular CPU hotplug from racing with the freezer, by disabling CPU
- * hotplug when tasks are about to be frozen. Also, don't allow the freezer
- * to continue until any currently running CPU hotplug operation gets
- * completed.
- * To modify the 'cpu_hotplug_disabled' flag, we need to acquire the
- * 'cpu_add_remove_lock'. And this same lock is also taken by the regular
- * CPU hotplug path and released only after it is complete. Thus, we
- * (and hence the freezer) will block here until any currently running CPU
- * hotplug operation gets completed.
- */
-void cpu_hotplug_disable_before_freeze(void)
-{
- cpu_maps_update_begin();
- cpu_hotplug_disabled = 1;
- cpu_maps_update_done();
-}
-
-
-/*
- * When tasks have been thawed, re-enable regular CPU hotplug (which had been
- * disabled while beginning to freeze tasks).
- */
-void cpu_hotplug_enable_after_thaw(void)
-{
- cpu_maps_update_begin();
- cpu_hotplug_disabled = 0;
- cpu_maps_update_done();
-}
-
-/*
* When callbacks for CPU hotplug notifications are being executed, we must
* ensure that the state of the system with respect to the tasks being frozen
* or not, as reported by the notification, remains unchanged *throughout the
@@ -582,12 +573,12 @@ cpu_hotplug_pm_callback(struct notifier_block *nb,

case PM_SUSPEND_PREPARE:
case PM_HIBERNATION_PREPARE:
- cpu_hotplug_disable_before_freeze();
+ cpu_hotplug_disable();
break;

case PM_POST_SUSPEND:
case PM_POST_HIBERNATION:
- cpu_hotplug_enable_after_thaw();
+ cpu_hotplug_enable();
break;

default:
diff --git a/kernel/printk.c b/kernel/printk.c
index 46f0c2c..5758501 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -357,6 +357,53 @@ static void log_store(int facility, int level,
log_next_seq++;
}

+#ifdef CONFIG_SECURITY_DMESG_RESTRICT
+int dmesg_restrict = 1;
+#else
+int dmesg_restrict;
+#endif
+
+static int syslog_action_restricted(int type)
+{
+ if (dmesg_restrict)
+ return 1;
+ /*
+ * Unless restricted, we allow "read all" and "get buffer size"
+ * for everybody.
+ */
+ return type != SYSLOG_ACTION_READ_ALL &&
+ type != SYSLOG_ACTION_SIZE_BUFFER;
+}
+
+static int check_syslog_permissions(int type, bool from_file)
+{
+ /*
+ * If this is from /proc/kmsg and we've already opened it, then we've
+ * already done the capabilities checks at open time.
+ */
+ if (from_file && type != SYSLOG_ACTION_OPEN)
+ return 0;
+
+ if (syslog_action_restricted(type)) {
+ if (capable(CAP_SYSLOG))
+ return 0;
+ /*
+ * For historical reasons, accept CAP_SYS_ADMIN too, with
+ * a warning.
+ */
+ if (capable(CAP_SYS_ADMIN)) {
+ pr_warn_once("%s (%d): Attempt to access syslog with "
+ "CAP_SYS_ADMIN but no CAP_SYSLOG "
+ "(deprecated).\n",
+ current->comm, task_pid_nr(current));
+ return 0;
+ }
+ return -EPERM;
+ }
+ return security_syslog(type);
+}
+
+
/* /dev/kmsg - userspace message inject/listen interface */
struct devkmsg_user {
u64 seq;
@@ -592,7 +639,8 @@ static int devkmsg_open(struct inode *inode, struct file *file)
if ((file->f_flags & O_ACCMODE) == O_WRONLY)
return 0;

- err = security_syslog(SYSLOG_ACTION_READ_ALL);
+ err = check_syslog_permissions(SYSLOG_ACTION_READ_ALL,
+ SYSLOG_FROM_READER);
if (err)
return err;

@@ -759,45 +807,6 @@ static inline void boot_delay_msec(void)
}
#endif

-#ifdef CONFIG_SECURITY_DMESG_RESTRICT
-int dmesg_restrict = 1;
-#else
-int dmesg_restrict;
-#endif
-
-static int syslog_action_restricted(int type)
-{
- if (dmesg_restrict)
- return 1;
- /* Unless restricted, we allow "read all" and "get buffer size" for everybody */
- return type != SYSLOG_ACTION_READ_ALL && type != SYSLOG_ACTION_SIZE_BUFFER;
-}
-
-static int check_syslog_permissions(int type, bool from_file)
-{
- /*
- * If this is from /proc/kmsg and we've already opened it, then we've
- * already done the capabilities checks at open time.
- */
- if (from_file && type != SYSLOG_ACTION_OPEN)
- return 0;
-
- if (syslog_action_restricted(type)) {
- if (capable(CAP_SYSLOG))
- return 0;
- /* For historical reasons, accept CAP_SYS_ADMIN too, with a warning */
- if (capable(CAP_SYS_ADMIN)) {
- printk_once(KERN_WARNING "%s (%d): "
- "Attempt to access syslog with CAP_SYS_ADMIN "
- "but no CAP_SYSLOG (deprecated).\n",
- current->comm, task_pid_nr(current));
- return 0;
- }
- return -EPERM;
- }
- return 0;
-}
-
#if defined(CONFIG_PRINTK_TIME)
static bool printk_time = 1;
#else
@@ -1195,7 +1204,7 @@ out:

SYSCALL_DEFINE3(syslog, int, type, char __user *, buf, int, len)
{
- return do_syslog(type, buf, len, SYSLOG_FROM_CALL);
+ return do_syslog(type, buf, len, SYSLOG_FROM_READER);
}

static bool __read_mostly ignore_loglevel;
diff --git a/kernel/sys.c b/kernel/sys.c
index 0836a7f..1451e54 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -356,6 +356,29 @@ int unregister_reboot_notifier(struct notifier_block *nb)
}
EXPORT_SYMBOL(unregister_reboot_notifier);

+/* Add backwards compatibility for stable trees. */
+#ifndef PF_NO_SETAFFINITY
+#define PF_NO_SETAFFINITY PF_THREAD_BOUND
+#endif
+
+static void migrate_to_reboot_cpu(void)
+{
+ /* The boot cpu is always logical cpu 0 */
+ int cpu = 0;
+
+ cpu_hotplug_disable();
+
+ /* Make certain the cpu I'm about to reboot on is online */
+ if (!cpu_online(cpu))
+ cpu = cpumask_first(cpu_online_mask);
+
+ /* Prevent races with other tasks migrating this task */
+ current->flags |= PF_NO_SETAFFINITY;
+
+ /* Make certain I only run on the appropriate processor */
+ set_cpus_allowed_ptr(current, cpumask_of(cpu));
+}
+
/**
* kernel_restart - reboot the system
* @cmd: pointer to buffer containing command to execute for restart
@@ -367,7 +390,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier);
void kernel_restart(char *cmd)
{
kernel_restart_prepare(cmd);
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
if (!cmd)
printk(KERN_EMERG "Restarting system.\n");
@@ -394,7 +417,7 @@ static void kernel_shutdown_prepare(enum system_states state)
void kernel_halt(void)
{
kernel_shutdown_prepare(SYSTEM_HALT);
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
printk(KERN_EMERG "System halted.\n");
kmsg_dump(KMSG_DUMP_HALT);
@@ -413,7 +436,7 @@ void kernel_power_off(void)
kernel_shutdown_prepare(SYSTEM_POWER_OFF);
if (pm_power_off_prepare)
pm_power_off_prepare();
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
printk(KERN_EMERG "Power down.\n");
kmsg_dump(KMSG_DUMP_POWEROFF);
diff --git a/lib/klist.c b/lib/klist.c
index 0874e41..358a368 100644
--- a/lib/klist.c
+++ b/lib/klist.c
@@ -193,10 +193,10 @@ static void klist_release(struct kref *kref)
if (waiter->node != n)
continue;

+ list_del(&waiter->list);
waiter->woken = 1;
mb();
wake_up_process(waiter->process);
- list_del(&waiter->list);
}
spin_unlock(&klist_remove_lock);
knode_set_klist(n, NULL);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 74b8327..c6557ef 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2769,7 +2769,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
if (ptep) {
entry = huge_ptep_get(ptep);
if (unlikely(is_hugetlb_entry_migration(entry))) {
- migration_entry_wait(mm, (pmd_t *)ptep, address);
+ migration_entry_wait_huge(mm, ptep);
return 0;
} else if (unlikely(is_hugetlb_entry_hwpoisoned(entry)))
return VM_FAULT_HWPOISON_LARGE |
diff --git a/mm/migrate.c b/mm/migrate.c
index 65cc229..41e906a 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -182,15 +182,14 @@ static void remove_migration_ptes(struct page *old, struct page *new)
* get to the page and wait until migration is finished.
* When we return from this function the fault will be retried.
*/
-void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
- unsigned long address)
+static void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
+ spinlock_t *ptl)
{
- pte_t *ptep, pte;
- spinlock_t *ptl;
+ pte_t pte;
swp_entry_t entry;
struct page *page;

- ptep = pte_offset_map_lock(mm, pmd, address, &ptl);
+ spin_lock(ptl);
pte = *ptep;
if (!is_swap_pte(pte))
goto out;
@@ -218,6 +217,20 @@ out:
pte_unmap_unlock(ptep, ptl);
}

+void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
+ unsigned long address)
+{
+ spinlock_t *ptl = pte_lockptr(mm, pmd);
+ pte_t *ptep = pte_offset_map(pmd, address);
+ __migration_entry_wait(mm, ptep, ptl);
+}
+
+void migration_entry_wait_huge(struct mm_struct *mm, pte_t *pte)
+{
+ spinlock_t *ptl = &(mm)->page_table_lock;
+ __migration_entry_wait(mm, pte, ptl);
+}
+
#ifdef CONFIG_BLOCK
/* Returns true if all buffers are successfully locked */
static bool buffer_migrate_lock_buffers(struct buffer_head *head,
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 4c5ff7f..1fa9220 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -313,8 +313,24 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
* Swap entry may have been freed since our caller observed it.
*/
err = swapcache_prepare(entry);
- if (err == -EEXIST) { /* seems racy */
+ if (err == -EEXIST) {
radix_tree_preload_end();
+ /*
+ * We might race against get_swap_page() and stumble
+ * across a SWAP_HAS_CACHE swap_map entry whose page
+ * has not been brought into the swapcache yet, while
+ * the other end is scheduled away waiting on discard
+ * I/O completion at scan_swap_map().
+ *
+ * In order to avoid turning this transitory state
+ * into a permanent loop around this -EEXIST case
+ * if !CONFIG_PREEMPT and the I/O completion happens
+ * to be waiting on the CPU waitqueue where we are now
+ * busy looping, we just conditionally invoke the
+ * scheduler here, if there are some more important
+ * tasks to run.
+ */
+ cond_resched();
continue;
}
if (err) { /* swp entry is obsolete ? */
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index de01610..448a574 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1097,11 +1097,15 @@ static const struct rfkill_ops hci_rfkill_ops = {
static void hci_power_on(struct work_struct *work)
{
struct hci_dev *hdev = container_of(work, struct hci_dev, power_on);
+ int err;

BT_DBG("%s", hdev->name);

- if (hci_dev_open(hdev->id) < 0)
+ err = hci_dev_open(hdev->id);
+ if (err < 0) {
+ mgmt_set_powered_failed(hdev, err);
return;
+ }

if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
schedule_delayed_work(&hdev->power_off,
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index ec098bd..6406d7e 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2912,6 +2912,27 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
return err;
}

+int mgmt_set_powered_failed(struct hci_dev *hdev, int err)
+{
+ struct pending_cmd *cmd;
+ u8 status;
+
+ cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
+ if (!cmd)
+ return -ENOENT;
+
+ if (err == -ERFKILL)
+ status = MGMT_STATUS_RFKILLED;
+ else
+ status = MGMT_STATUS_FAILED;
+
+ err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
+
+ mgmt_pending_remove(cmd);
+
+ return err;
+}
+
int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
{
struct cmd_lookup match = { NULL, hdev };
diff --git a/net/ceph/auth.c b/net/ceph/auth.c
index b4bf4ac..6b923bc 100644
--- a/net/ceph/auth.c
+++ b/net/ceph/auth.c
@@ -47,6 +47,7 @@ struct ceph_auth_client *ceph_auth_init(const char *name, const struct ceph_cryp
if (!ac)
goto out;

+ mutex_init(&ac->mutex);
ac->negotiating = true;
if (name)
ac->name = name;
@@ -73,10 +74,12 @@ void ceph_auth_destroy(struct ceph_auth_client *ac)
*/
void ceph_auth_reset(struct ceph_auth_client *ac)
{
+ mutex_lock(&ac->mutex);
dout("auth_reset %p\n", ac);
if (ac->ops && !ac->negotiating)
ac->ops->reset(ac);
ac->negotiating = true;
+ mutex_unlock(&ac->mutex);
}

int ceph_entity_name_encode(const char *name, void **p, void *end)
@@ -102,6 +105,7 @@ int ceph_auth_build_hello(struct ceph_auth_client *ac, void *buf, size_t len)
int i, num;
int ret;

+ mutex_lock(&ac->mutex);
dout("auth_build_hello\n");
monhdr->have_version = 0;
monhdr->session_mon = cpu_to_le16(-1);
@@ -122,15 +126,19 @@ int ceph_auth_build_hello(struct ceph_auth_client *ac, void *buf, size_t len)

ret = ceph_entity_name_encode(ac->name, &p, end);
if (ret < 0)
- return ret;
+ goto out;
ceph_decode_need(&p, end, sizeof(u64), bad);
ceph_encode_64(&p, ac->global_id);

ceph_encode_32(&lenp, p - lenp - sizeof(u32));
- return p - buf;
+ ret = p - buf;
+out:
+ mutex_unlock(&ac->mutex);
+ return ret;

bad:
- return -ERANGE;
+ ret = -ERANGE;
+ goto out;
}

static int ceph_build_auth_request(struct ceph_auth_client *ac,
@@ -151,11 +159,13 @@ static int ceph_build_auth_request(struct ceph_auth_client *ac,
if (ret < 0) {
pr_err("error %d building auth method %s request\n", ret,
ac->ops->name);
- return ret;
+ goto out;
}
dout(" built request %d bytes\n", ret);
ceph_encode_32(&p, ret);
- return p + ret - msg_buf;
+ ret = p + ret - msg_buf;
+out:
+ return ret;
}

/*
@@ -176,6 +186,7 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
int result_msg_len;
int ret = -EINVAL;

+ mutex_lock(&ac->mutex);
dout("handle_auth_reply %p %p\n", p, end);
ceph_decode_need(&p, end, sizeof(u32) * 3 + sizeof(u64), bad);
protocol = ceph_decode_32(&p);
@@ -227,33 +238,103 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,

ret = ac->ops->handle_reply(ac, result, payload, payload_end);
if (ret == -EAGAIN) {
- return ceph_build_auth_request(ac, reply_buf, reply_len);
+ ret = ceph_build_auth_request(ac, reply_buf, reply_len);
} else if (ret) {
pr_err("auth method '%s' error %d\n", ac->ops->name, ret);
- return ret;
}
- return 0;

-bad:
- pr_err("failed to decode auth msg\n");
out:
+ mutex_unlock(&ac->mutex);
return ret;
+
+bad:
+ pr_err("failed to decode auth msg\n");
+ ret = -EINVAL;
+ goto out;
}

int ceph_build_auth(struct ceph_auth_client *ac,
void *msg_buf, size_t msg_len)
{
+ int ret = 0;
+
+ mutex_lock(&ac->mutex);
if (!ac->protocol)
- return ceph_auth_build_hello(ac, msg_buf, msg_len);
- BUG_ON(!ac->ops);
- if (ac->ops->should_authenticate(ac))
- return ceph_build_auth_request(ac, msg_buf, msg_len);
- return 0;
+ ret = ceph_auth_build_hello(ac, msg_buf, msg_len);
+ else if (ac->ops->should_authenticate(ac))
+ ret = ceph_build_auth_request(ac, msg_buf, msg_len);
+ mutex_unlock(&ac->mutex);
+ return ret;
}

int ceph_auth_is_authenticated(struct ceph_auth_client *ac)
{
- if (!ac->ops)
- return 0;
- return ac->ops->is_authenticated(ac);
+ int ret = 0;
+
+ mutex_lock(&ac->mutex);
+ if (ac->ops)
+ ret = ac->ops->is_authenticated(ac);
+ mutex_unlock(&ac->mutex);
+ return ret;
+}
+EXPORT_SYMBOL(ceph_auth_is_authenticated);
+
+int ceph_auth_create_authorizer(struct ceph_auth_client *ac,
+ int peer_type,
+ struct ceph_auth_handshake *auth)
+{
+ int ret = 0;
+
+ mutex_lock(&ac->mutex);
+ if (ac->ops && ac->ops->create_authorizer)
+ ret = ac->ops->create_authorizer(ac, peer_type, auth);
+ mutex_unlock(&ac->mutex);
+ return ret;
+}
+EXPORT_SYMBOL(ceph_auth_create_authorizer);
+
+void ceph_auth_destroy_authorizer(struct ceph_auth_client *ac,
+ struct ceph_authorizer *a)
+{
+ mutex_lock(&ac->mutex);
+ if (ac->ops && ac->ops->destroy_authorizer)
+ ac->ops->destroy_authorizer(ac, a);
+ mutex_unlock(&ac->mutex);
+}
+EXPORT_SYMBOL(ceph_auth_destroy_authorizer);
+
+int ceph_auth_update_authorizer(struct ceph_auth_client *ac,
+ int peer_type,
+ struct ceph_auth_handshake *a)
+{
+ int ret = 0;
+
+ mutex_lock(&ac->mutex);
+ if (ac->ops && ac->ops->update_authorizer)
+ ret = ac->ops->update_authorizer(ac, peer_type, a);
+ mutex_unlock(&ac->mutex);
+ return ret;
+}
+EXPORT_SYMBOL(ceph_auth_update_authorizer);
+
+int ceph_auth_verify_authorizer_reply(struct ceph_auth_client *ac,
+ struct ceph_authorizer *a, size_t len)
+{
+ int ret = 0;
+
+ mutex_lock(&ac->mutex);
+ if (ac->ops && ac->ops->verify_authorizer_reply)
+ ret = ac->ops->verify_authorizer_reply(ac, a, len);
+ mutex_unlock(&ac->mutex);
+ return ret;
+}
+EXPORT_SYMBOL(ceph_auth_verify_authorizer_reply);
+
+void ceph_auth_invalidate_authorizer(struct ceph_auth_client *ac, int peer_type)
+{
+ mutex_lock(&ac->mutex);
+ if (ac->ops && ac->ops->invalidate_authorizer)
+ ac->ops->invalidate_authorizer(ac, peer_type);
+ mutex_unlock(&ac->mutex);
}
+EXPORT_SYMBOL(ceph_auth_invalidate_authorizer);
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index a16bf14..96238ba 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -298,6 +298,7 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
return -ENOMEM;
}
au->service = th->service;
+ au->secret_id = th->secret_id;

msg_a = au->buf->vec.iov_base;
msg_a->struct_v = 1;
@@ -555,6 +556,26 @@ static int ceph_x_create_authorizer(
return 0;
}

+static int ceph_x_update_authorizer(
+ struct ceph_auth_client *ac, int peer_type,
+ struct ceph_auth_handshake *auth)
+{
+ struct ceph_x_authorizer *au;
+ struct ceph_x_ticket_handler *th;
+
+ th = get_ticket_handler(ac, peer_type);
+ if (IS_ERR(th))
+ return PTR_ERR(th);
+
+ au = (struct ceph_x_authorizer *)auth->authorizer;
+ if (au->secret_id < th->secret_id) {
+ dout("ceph_x_update_authorizer service %u secret %llu < %llu\n",
+ au->service, au->secret_id, th->secret_id);
+ return ceph_x_build_authorizer(ac, th, au);
+ }
+ return 0;
+}
+
static int ceph_x_verify_authorizer_reply(struct ceph_auth_client *ac,
struct ceph_authorizer *a, size_t len)
{
@@ -630,7 +651,7 @@ static void ceph_x_invalidate_authorizer(struct ceph_auth_client *ac,

th = get_ticket_handler(ac, peer_type);
if (!IS_ERR(th))
- remove_ticket_handler(ac, th);
+ memset(&th->validity, 0, sizeof(th->validity));
}

@@ -641,6 +662,7 @@ static const struct ceph_auth_client_ops ceph_x_ops = {
.build_request = ceph_x_build_request,
.handle_reply = ceph_x_handle_reply,
.create_authorizer = ceph_x_create_authorizer,
+ .update_authorizer = ceph_x_update_authorizer,
.verify_authorizer_reply = ceph_x_verify_authorizer_reply,
.destroy_authorizer = ceph_x_destroy_authorizer,
.invalidate_authorizer = ceph_x_invalidate_authorizer,
diff --git a/net/ceph/auth_x.h b/net/ceph/auth_x.h
index f459e93..c5a058d 100644
--- a/net/ceph/auth_x.h
+++ b/net/ceph/auth_x.h
@@ -29,6 +29,7 @@ struct ceph_x_authorizer {
struct ceph_buffer *buf;
unsigned int service;
u64 nonce;
+ u64 secret_id;
char reply_buf[128]; /* big enough for encrypted blob */
};

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 692243a..559690f 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1548,7 +1548,6 @@ static int process_connect(struct ceph_connection *con)
con->error_msg = "connect authorization failure";
return -1;
}
- con->auth_retry = 1;
con_out_kvec_reset(con);
ret = prepare_write_connect(con);
if (ret < 0)
@@ -1633,7 +1632,7 @@ static int process_connect(struct ceph_connection *con)

BUG_ON(con->state != CON_STATE_NEGOTIATING);
con->state = CON_STATE_OPEN;
-
+ con->auth_retry = 0; /* we authenticated; clear flag */
con->peer_global_seq = le32_to_cpu(con->in_reply.global_seq);
con->connect_seq++;
con->peer_features = server_feat;
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 900ea0f..8a9235d 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -737,7 +737,7 @@ static void delayed_work(struct work_struct *work)

__validate_auth(monc);

- if (monc->auth->ops->is_authenticated(monc->auth))
+ if (ceph_auth_is_authenticated(monc->auth))
__send_subscribe(monc);
}
__schedule_delayed(monc);
@@ -893,8 +893,7 @@ static void handle_auth_reply(struct ceph_mon_client *monc,

mutex_lock(&monc->mutex);
had_debugfs_info = have_debugfs_info(monc);
- if (monc->auth->ops)
- was_auth = monc->auth->ops->is_authenticated(monc->auth);
+ was_auth = ceph_auth_is_authenticated(monc->auth);
monc->pending_auth = 0;
ret = ceph_handle_auth_reply(monc->auth, msg->front.iov_base,
msg->front.iov_len,
@@ -905,7 +904,7 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
wake_up_all(&monc->client->auth_wq);
} else if (ret > 0) {
__send_prepared_auth_request(monc, ret);
- } else if (!was_auth && monc->auth->ops->is_authenticated(monc->auth)) {
+ } else if (!was_auth && ceph_auth_is_authenticated(monc->auth)) {
dout("authenticated, starting session\n");

monc->client->msgr.inst.name.type = CEPH_ENTITY_TYPE_CLIENT;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 065cc38..f181972 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -672,8 +672,7 @@ static void put_osd(struct ceph_osd *osd)
if (atomic_dec_and_test(&osd->o_ref) && osd->o_auth.authorizer) {
struct ceph_auth_client *ac = osd->o_osdc->client->monc.auth;

- if (ac->ops && ac->ops->destroy_authorizer)
- ac->ops->destroy_authorizer(ac, osd->o_auth.authorizer);
+ ceph_auth_destroy_authorizer(ac, osd->o_auth.authorizer);
kfree(osd);
}
}
@@ -1301,7 +1300,7 @@ static void reset_changed_osds(struct ceph_osd_client *osdc)
* Requeue requests whose mapping to an OSD has changed. If requests map to
* no osd, request a new map.
*
- * Caller should hold map_sem for read and request_mutex.
+ * Caller should hold map_sem for read.
*/
static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
{
@@ -1359,9 +1358,10 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)

dout("kicking lingering %p tid %llu osd%d\n", req, req->r_tid,
req->r_osd ? req->r_osd->o_osd : -1);
- __unregister_linger_request(osdc, req);
__register_request(osdc, req);
+ __unregister_linger_request(osdc, req);
}
+ reset_changed_osds(osdc);
mutex_unlock(&osdc->request_mutex);

if (needmap) {
@@ -1424,7 +1424,6 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
osdc->osdmap = newmap;
}
kick_requests(osdc, 0);
- reset_changed_osds(osdc);
} else {
dout("ignoring incremental map %u len %d\n",
epoch, maplen);
@@ -2151,13 +2150,17 @@ static struct ceph_auth_handshake *get_authorizer(struct ceph_connection *con,
struct ceph_auth_handshake *auth = &o->o_auth;

if (force_new && auth->authorizer) {
- if (ac->ops && ac->ops->destroy_authorizer)
- ac->ops->destroy_authorizer(ac, auth->authorizer);
+ ceph_auth_destroy_authorizer(ac, auth->authorizer);
auth->authorizer = NULL;
}
- if (!auth->authorizer && ac->ops && ac->ops->create_authorizer) {
- int ret = ac->ops->create_authorizer(ac, CEPH_ENTITY_TYPE_OSD,
- auth);
+ if (!auth->authorizer) {
+ int ret = ceph_auth_create_authorizer(ac, CEPH_ENTITY_TYPE_OSD,
+ auth);
+ if (ret)
+ return ERR_PTR(ret);
+ } else {
+ int ret = ceph_auth_update_authorizer(ac, CEPH_ENTITY_TYPE_OSD,
+ auth);
if (ret)
return ERR_PTR(ret);
}
@@ -2173,11 +2176,7 @@ static int verify_authorizer_reply(struct ceph_connection *con, int len)
struct ceph_osd_client *osdc = o->o_osdc;
struct ceph_auth_client *ac = osdc->client->monc.auth;

- /*
- * XXX If ac->ops or ac->ops->verify_authorizer_reply is null,
- * XXX which do we do: succeed or fail?
- */
- return ac->ops->verify_authorizer_reply(ac, o->o_auth.authorizer, len);
+ return ceph_auth_verify_authorizer_reply(ac, o->o_auth.authorizer, len);
}

static int invalidate_authorizer(struct ceph_connection *con)
@@ -2186,9 +2185,7 @@ static int invalidate_authorizer(struct ceph_connection *con)
struct ceph_osd_client *osdc = o->o_osdc;
struct ceph_auth_client *ac = osdc->client->monc.auth;

- if (ac->ops && ac->ops->invalidate_authorizer)
- ac->ops->invalidate_authorizer(ac, CEPH_ENTITY_TYPE_OSD);
-
+ ceph_auth_invalidate_authorizer(ac, CEPH_ENTITY_TYPE_OSD);
return ceph_monc_validate_auth(&osdc->client->monc);
}

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 4b4d9c5..f51a61c 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1408,6 +1408,15 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local)

ASSERT_RTNL();

+ /*
+ * Close all AP_VLAN interfaces first, as otherwise they
+ * might be closed while the AP interface they belong to
+ * is closed, causing unregister_netdevice_many() to crash.
+ */
+ list_for_each_entry(sdata, &local->interfaces, list)
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ dev_close(sdata->dev);
+
mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index f7e937f..3fd50a1 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -222,6 +222,9 @@ void cfg80211_conn_work(struct work_struct *work)
mutex_lock(&rdev->devlist_mtx);

list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ if (!wdev->netdev)
+ continue;
+
wdev_lock(wdev);
if (!netif_running(wdev->netdev)) {
wdev_unlock(wdev);
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 7203c9a..ffb9153 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1633,6 +1633,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
}
if (!snd_pcm_stream_linked(substream)) {
substream->group = group;
+ group = NULL;
spin_lock_init(&substream->group->lock);
INIT_LIST_HEAD(&substream->group->substreams);
list_add_tail(&substream->link_list, &substream->group->substreams);
@@ -1647,8 +1648,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
_nolock:
snd_card_unref(substream1->pcm->card);
fput(file);
- if (res < 0)
- kfree(group);
+ kfree(group);
return res;
}

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 4d8ddc6..a3308e1 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -842,6 +842,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
case USB_ID(0x046d, 0x0808):
case USB_ID(0x046d, 0x0809):
case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
+ case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
case USB_ID(0x046d, 0x0991):
/* Most audio usb devices lie about volume resolution.
* Most Logitech webcams have res = 384.
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 128eb0c..cfb8033 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -157,7 +157,13 @@
.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL
},
{
- USB_DEVICE(0x046d, 0x0990),
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+ USB_DEVICE_ID_MATCH_INT_CLASS |
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+ .idVendor = 0x046d,
+ .idProduct = 0x0990,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
.vendor_name = "Logitech, Inc.",
.product_name = "QuickCam Pro 9000",
@@ -1622,7 +1628,11 @@ YAMAHA_DEVICE(0x7010, "UB99"),
USB_DEVICE_VENDOR_SPEC(0x0582, 0x0108),
.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
.ifnum = 0,
- .type = QUIRK_MIDI_STANDARD_INTERFACE
+ .type = QUIRK_MIDI_FIXED_ENDPOINT,
+ .data = & (const struct snd_usb_midi_endpoint_info) {
+ .out_cables = 0x0007,
+ .in_cables = 0x0007
+ }
}
},
{
--
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