Re: Linux 4.14.170

From: Greg KH
Date: Wed Feb 05 2020 - 17:15:32 EST

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diff --git a/Documentation/ABI/testing/sysfs-class-devfreq b/Documentation/ABI/testing/sysfs-class-devfreq
index ee39acacf6f8..335595a79866 100644
--- a/Documentation/ABI/testing/sysfs-class-devfreq
+++ b/Documentation/ABI/testing/sysfs-class-devfreq
@@ -7,6 +7,13 @@ Description:
The name of devfreq object denoted as ... is same as the
name of device using devfreq.

+What: /sys/class/devfreq/.../name
+Date: November 2019
+Contact: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
+Description:
+ The /sys/class/devfreq/.../name shows the name of device
+ of the corresponding devfreq object.
+
What: /sys/class/devfreq/.../governor
Date: September 2011
Contact: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
diff --git a/Makefile b/Makefile
index 795d93bfe156..b614291199f8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 169
+SUBLEVEL = 170
EXTRAVERSION =
NAME = Petit Gorille

diff --git a/arch/arc/plat-eznps/Kconfig b/arch/arc/plat-eznps/Kconfig
index 8eff057efcae..ce908e2c5282 100644
--- a/arch/arc/plat-eznps/Kconfig
+++ b/arch/arc/plat-eznps/Kconfig
@@ -7,7 +7,7 @@
menuconfig ARC_PLAT_EZNPS
bool "\"EZchip\" ARC dev platform"
select CPU_BIG_ENDIAN
- select CLKSRC_NPS
+ select CLKSRC_NPS if !PHYS_ADDR_T_64BIT
select EZNPS_GIC
select EZCHIP_NPS_MANAGEMENT_ENET if ETHERNET
help
diff --git a/arch/arm/boot/dts/am335x-boneblack-common.dtsi b/arch/arm/boot/dts/am335x-boneblack-common.dtsi
index 325daae40278..485c27f039f5 100644
--- a/arch/arm/boot/dts/am335x-boneblack-common.dtsi
+++ b/arch/arm/boot/dts/am335x-boneblack-common.dtsi
@@ -131,6 +131,11 @@
};

/ {
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>; /* 512 MB */
+ };
+
clk_mcasp0_fixed: clk_mcasp0_fixed {
#clock-cells = <0>;
compatible = "fixed-clock";
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
index 49aeecd312b4..d578a9f7e1a0 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
@@ -32,6 +32,27 @@
reg = <0x0 0x80000000 0x0 0x80000000>;
};

+ main_12v0: fixedregulator-main_12v0 {
+ /* main supply */
+ compatible = "regulator-fixed";
+ regulator-name = "main_12v0";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ evm_5v0: fixedregulator-evm_5v0 {
+ /* Output of TPS54531D */
+ compatible = "regulator-fixed";
+ regulator-name = "evm_5v0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&main_12v0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
vdd_3v3: fixedregulator-vdd_3v3 {
compatible = "regulator-fixed";
regulator-name = "vdd_3v3";
diff --git a/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts b/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
index 716a205c6dbb..1fed3231f5c1 100644
--- a/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
+++ b/arch/arm/boot/dts/sun8i-a83t-cubietruck-plus.dts
@@ -90,7 +90,7 @@
initial-mode = <1>; /* initialize in HUB mode */
disabled-ports = <1>;
intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
- reset-gpios = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */
+ reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */
connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
refclk-frequency = <19200000>;
};
diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S
index 82a942894fc0..83e463c05dcd 100644
--- a/arch/arm/kernel/hyp-stub.S
+++ b/arch/arm/kernel/hyp-stub.S
@@ -159,10 +159,9 @@ ARM_BE8(orr r7, r7, #(1 << 25)) @ HSCTLR.EE
#if !defined(ZIMAGE) && defined(CONFIG_ARM_ARCH_TIMER)
@ make CNTP_* and CNTPCT accessible from PL1
mrc p15, 0, r7, c0, c1, 1 @ ID_PFR1
- lsr r7, #16
- and r7, #0xf
- cmp r7, #1
- bne 1f
+ ubfx r7, r7, #16, #4
+ teq r7, #0
+ beq 1f
mrc p15, 4, r7, c14, c1, 0 @ CNTHCTL
orr r7, r7, #3 @ PL1PCEN | PL1PCTEN
mcr p15, 4, r7, c14, c1, 0 @ CNTHCTL
diff --git a/arch/arm64/boot/Makefile b/arch/arm64/boot/Makefile
index 1f012c506434..cd3414898d10 100644
--- a/arch/arm64/boot/Makefile
+++ b/arch/arm64/boot/Makefile
@@ -16,7 +16,7 @@

OBJCOPYFLAGS_Image :=-O binary -R .note -R .note.gnu.build-id -R .comment -S

-targets := Image Image.gz
+targets := Image Image.bz2 Image.gz Image.lz4 Image.lzma Image.lzo

$(obj)/Image: vmlinux FORCE
$(call if_changed,objcopy)
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi
index e1a961f05dcd..baa0c503e741 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi
@@ -63,6 +63,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy0: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi
index c288f3c6c637..93095600e808 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi
@@ -60,6 +60,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xf1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy6: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi
index 94f3e7175012..ff4bd38f0645 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi
@@ -63,6 +63,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy1: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi
index 94a76982d214..1fa38ed6f59e 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi
@@ -60,6 +60,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xf3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy7: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi
index b5ff5f71c6b8..a8cc9780c0c4 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy0: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi
index ee44182c6348..8b8bd70c9382 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy1: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi
index f05f0d775039..619c880b54d8 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe5000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy2: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi
index a9114ec51075..d7ebb73a400d 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe7000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy3: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi
index 44dd00ac7367..b151d696a069 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe9000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy4: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi
index 5b1b84b58602..adc0ae0013a3 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xeb000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy5: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi
index 0e1daaef9e74..435047e0e250 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi
@@ -60,6 +60,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xf1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy14: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi
index 68c5ef779266..c098657cca0a 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi
@@ -60,6 +60,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xf3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy15: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi
index 605363cc1117..9d06824815f3 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy8: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi
index 1955dfa13634..70e947730c4b 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy9: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi
index 2c1476454ee0..ad96e6529595 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe5000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy10: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi
index b8b541ff5fb0..034bc4b71f7a 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe7000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy11: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi
index 4b2cfddd1b15..93ca23d82b39 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe9000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy12: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi
index 0a52ddf7cc17..23b3117a2fd2 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xeb000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */

pcsphy13: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
index 2dae1b3c42fc..0ec30b2384c0 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -1107,7 +1107,7 @@ static struct dentry *rdt_mount(struct file_system_type *fs_type,

if (rdt_mon_capable) {
ret = mongroup_create_dir(rdtgroup_default.kn,
- NULL, "mon_groups",
+ &rdtgroup_default, "mon_groups",
&kn_mongrp);
if (ret) {
dentry = ERR_PTR(ret);
@@ -1260,7 +1260,11 @@ static void free_all_child_rdtgrp(struct rdtgroup *rdtgrp)
list_for_each_entry_safe(sentry, stmp, head, mon.crdtgrp_list) {
free_rmid(sentry->mon.rmid);
list_del(&sentry->mon.crdtgrp_list);
- kfree(sentry);
+
+ if (atomic_read(&sentry->waitcount) != 0)
+ sentry->flags = RDT_DELETED;
+ else
+ kfree(sentry);
}
}

@@ -1294,7 +1298,11 @@ static void rmdir_all_sub(void)

kernfs_remove(rdtgrp->kn);
list_del(&rdtgrp->rdtgroup_list);
- kfree(rdtgrp);
+
+ if (atomic_read(&rdtgrp->waitcount) != 0)
+ rdtgrp->flags = RDT_DELETED;
+ else
+ kfree(rdtgrp);
}
/* Notify online CPUs to update per cpu storage and PQR_ASSOC MSR */
update_closid_rmid(cpu_online_mask, &rdtgroup_default);
@@ -1491,7 +1499,7 @@ static int mkdir_mondata_all(struct kernfs_node *parent_kn,
/*
* Create the mon_data directory first.
*/
- ret = mongroup_create_dir(parent_kn, NULL, "mon_data", &kn);
+ ret = mongroup_create_dir(parent_kn, prgrp, "mon_data", &kn);
if (ret)
return ret;

@@ -1525,7 +1533,7 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
uint files = 0;
int ret;

- prdtgrp = rdtgroup_kn_lock_live(prgrp_kn);
+ prdtgrp = rdtgroup_kn_lock_live(parent_kn);
if (!prdtgrp) {
ret = -ENODEV;
goto out_unlock;
@@ -1581,7 +1589,7 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
kernfs_activate(kn);

/*
- * The caller unlocks the prgrp_kn upon success.
+ * The caller unlocks the parent_kn upon success.
*/
return 0;

@@ -1592,7 +1600,7 @@ static int mkdir_rdt_prepare(struct kernfs_node *parent_kn,
out_free_rgrp:
kfree(rdtgrp);
out_unlock:
- rdtgroup_kn_unlock(prgrp_kn);
+ rdtgroup_kn_unlock(parent_kn);
return ret;
}

@@ -1630,7 +1638,7 @@ static int rdtgroup_mkdir_mon(struct kernfs_node *parent_kn,
*/
list_add_tail(&rdtgrp->mon.crdtgrp_list, &prgrp->mon.crdtgrp_list);

- rdtgroup_kn_unlock(prgrp_kn);
+ rdtgroup_kn_unlock(parent_kn);
return ret;
}

@@ -1667,7 +1675,7 @@ static int rdtgroup_mkdir_ctrl_mon(struct kernfs_node *parent_kn,
* Create an empty mon_groups directory to hold the subset
* of tasks and cpus to monitor.
*/
- ret = mongroup_create_dir(kn, NULL, "mon_groups", NULL);
+ ret = mongroup_create_dir(kn, rdtgrp, "mon_groups", NULL);
if (ret)
goto out_id_free;
}
@@ -1680,7 +1688,7 @@ static int rdtgroup_mkdir_ctrl_mon(struct kernfs_node *parent_kn,
out_common_fail:
mkdir_rdt_prepare_clean(rdtgrp);
out_unlock:
- rdtgroup_kn_unlock(prgrp_kn);
+ rdtgroup_kn_unlock(parent_kn);
return ret;
}

@@ -1792,11 +1800,6 @@ static int rdtgroup_rmdir_ctrl(struct kernfs_node *kn, struct rdtgroup *rdtgrp,
closid_free(rdtgrp->closid);
free_rmid(rdtgrp->mon.rmid);

- /*
- * Free all the child monitor group rmids.
- */
- free_all_child_rdtgrp(rdtgrp);
-
list_del(&rdtgrp->rdtgroup_list);

/*
@@ -1806,6 +1809,11 @@ static int rdtgroup_rmdir_ctrl(struct kernfs_node *kn, struct rdtgroup *rdtgrp,
kernfs_get(kn);
kernfs_remove(rdtgrp->kn);

+ /*
+ * Free all the child monitor group rmids.
+ */
+ free_all_child_rdtgrp(rdtgrp);
+
return 0;
}

diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 422bba808f73..0679c35adf55 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -139,11 +139,13 @@ void af_alg_release_parent(struct sock *sk)
sk = ask->parent;
ask = alg_sk(sk);

- lock_sock(sk);
+ local_bh_disable();
+ bh_lock_sock(sk);
ask->nokey_refcnt -= nokey;
if (!last)
last = !--ask->refcnt;
- release_sock(sk);
+ bh_unlock_sock(sk);
+ local_bh_enable();

if (last)
sock_put(sk);
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index a5718c0a3dc4..1348541da463 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -505,11 +505,12 @@ static int __init pcrypt_init(void)

static void __exit pcrypt_exit(void)
{
+ crypto_unregister_template(&pcrypt_tmpl);
+
pcrypt_fini_padata(&pencrypt);
pcrypt_fini_padata(&pdecrypt);

kset_unregister(pcrypt_kset);
- crypto_unregister_template(&pcrypt_tmpl);
}

module_init(pcrypt_init);
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index ce47eb17901d..a106d15f6def 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -372,7 +372,7 @@ static int do_rx_dma(struct atm_vcc *vcc,struct sk_buff *skb,
here = (eni_vcc->descr+skip) & (eni_vcc->words-1);
dma[j++] = (here << MID_DMA_COUNT_SHIFT) | (vcc->vci
<< MID_DMA_VCI_SHIFT) | MID_DT_JK;
- j++;
+ dma[j++] = 0;
}
here = (eni_vcc->descr+size+skip) & (eni_vcc->words-1);
if (!eff) size += skip;
@@ -445,7 +445,7 @@ static int do_rx_dma(struct atm_vcc *vcc,struct sk_buff *skb,
if (size != eff) {
dma[j++] = (here << MID_DMA_COUNT_SHIFT) |
(vcc->vci << MID_DMA_VCI_SHIFT) | MID_DT_JK;
- j++;
+ dma[j++] = 0;
}
if (!j || j > 2*RX_DMA_BUF) {
printk(KERN_CRIT DEV_LABEL "!j or j too big!!!\n");
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index 67549ce88cc9..774748497ace 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -18,10 +18,11 @@
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/module.h>
+#include <linux/spinlock.h>

struct ttyprintk_port {
struct tty_port port;
- struct mutex port_write_mutex;
+ spinlock_t spinlock;
};

static struct ttyprintk_port tpk_port;
@@ -100,11 +101,12 @@ static int tpk_open(struct tty_struct *tty, struct file *filp)
static void tpk_close(struct tty_struct *tty, struct file *filp)
{
struct ttyprintk_port *tpkp = tty->driver_data;
+ unsigned long flags;

- mutex_lock(&tpkp->port_write_mutex);
+ spin_lock_irqsave(&tpkp->spinlock, flags);
/* flush tpk_printk buffer */
tpk_printk(NULL, 0);
- mutex_unlock(&tpkp->port_write_mutex);
+ spin_unlock_irqrestore(&tpkp->spinlock, flags);

tty_port_close(&tpkp->port, tty, filp);
}
@@ -116,13 +118,14 @@ static int tpk_write(struct tty_struct *tty,
const unsigned char *buf, int count)
{
struct ttyprintk_port *tpkp = tty->driver_data;
+ unsigned long flags;
int ret;

/* exclusive use of tpk_printk within this tty */
- mutex_lock(&tpkp->port_write_mutex);
+ spin_lock_irqsave(&tpkp->spinlock, flags);
ret = tpk_printk(buf, count);
- mutex_unlock(&tpkp->port_write_mutex);
+ spin_unlock_irqrestore(&tpkp->spinlock, flags);

return ret;
}
@@ -172,7 +175,7 @@ static int __init ttyprintk_init(void)
{
int ret = -ENOMEM;

- mutex_init(&tpk_port.port_write_mutex);
+ spin_lock_init(&tpk_port.spinlock);

ttyprintk_driver = tty_alloc_driver(1,
TTY_DRIVER_RESET_TERMIOS |
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
index d083b860f083..10689d8cd386 100644
--- a/drivers/clk/mmp/clk-of-mmp2.c
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -134,7 +134,7 @@ static DEFINE_SPINLOCK(ssp3_lock);
static const char *ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"};

static DEFINE_SPINLOCK(timer_lock);
-static const char *timer_parent_names[] = {"clk32", "vctcxo_2", "vctcxo_4", "vctcxo"};
+static const char *timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"};

static DEFINE_SPINLOCK(reset_lock);

diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index bb7b59fc5c08..8d39f3a07bf8 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -2693,9 +2693,6 @@ static int chcr_gcm_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
aeadctx->mayverify = VERIFY_SW;
break;
default:
-
- crypto_tfm_set_flags((struct crypto_tfm *) tfm,
- CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
return crypto_aead_setauthsize(aeadctx->sw_cipher, authsize);
@@ -2720,8 +2717,6 @@ static int chcr_4106_4309_setauthsize(struct crypto_aead *tfm,
aeadctx->mayverify = VERIFY_HW;
break;
default:
- crypto_tfm_set_flags((struct crypto_tfm *)tfm,
- CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
return crypto_aead_setauthsize(aeadctx->sw_cipher, authsize);
@@ -2762,8 +2757,6 @@ static int chcr_ccm_setauthsize(struct crypto_aead *tfm,
aeadctx->mayverify = VERIFY_HW;
break;
default:
- crypto_tfm_set_flags((struct crypto_tfm *)tfm,
- CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
return crypto_aead_setauthsize(aeadctx->sw_cipher, authsize);
@@ -2790,8 +2783,7 @@ static int chcr_ccm_common_setkey(struct crypto_aead *aead,
ck_size = CHCR_KEYCTX_CIPHER_KEY_SIZE_256;
mk_size = CHCR_KEYCTX_MAC_KEY_SIZE_256;
} else {
- crypto_tfm_set_flags((struct crypto_tfm *)aead,
- CRYPTO_TFM_RES_BAD_KEY_LEN);
+ crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
aeadctx->enckey_len = 0;
return -EINVAL;
}
@@ -2831,8 +2823,7 @@ static int chcr_aead_rfc4309_setkey(struct crypto_aead *aead, const u8 *key,
int error;

if (keylen < 3) {
- crypto_tfm_set_flags((struct crypto_tfm *)aead,
- CRYPTO_TFM_RES_BAD_KEY_LEN);
+ crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
aeadctx->enckey_len = 0;
return -EINVAL;
}
@@ -2883,8 +2874,7 @@ static int chcr_gcm_setkey(struct crypto_aead *aead, const u8 *key,
} else if (keylen == AES_KEYSIZE_256) {
ck_size = CHCR_KEYCTX_CIPHER_KEY_SIZE_256;
} else {
- crypto_tfm_set_flags((struct crypto_tfm *)aead,
- CRYPTO_TFM_RES_BAD_KEY_LEN);
+ crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
pr_err("GCM: Invalid key length %d\n", keylen);
ret = -EINVAL;
goto out;
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index ad18de955b6c..58ec3abfd321 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -902,6 +902,14 @@ int devfreq_remove_governor(struct devfreq_governor *governor)
}
EXPORT_SYMBOL(devfreq_remove_governor);

+static ssize_t name_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct devfreq *devfreq = to_devfreq(dev);
+ return sprintf(buf, "%s\n", dev_name(devfreq->dev.parent));
+}
+static DEVICE_ATTR_RO(name);
+
static ssize_t governor_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -1200,6 +1208,7 @@ static ssize_t trans_stat_show(struct device *dev,
static DEVICE_ATTR_RO(trans_stat);

static struct attribute *devfreq_attrs[] = {
+ &dev_attr_name.attr,
&dev_attr_governor.attr,
&dev_attr_available_governors.attr,
&dev_attr_cur_freq.attr,
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 2357d2f73c1a..8d2ab77c6581 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -990,6 +990,7 @@ config GPIO_LP87565
config GPIO_MAX77620
tristate "GPIO support for PMIC MAX77620 and MAX20024"
depends on MFD_MAX77620
+ select GPIOLIB_IRQCHIP
help
GPIO driver for MAX77620 and MAX20024 PMIC from Maxim Semiconductor.
MAX77620 PMIC has 8 pins that can be configured as GPIOs. The
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1e2e6e58256a..9d372fa7c298 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1024,6 +1024,7 @@
#define USB_DEVICE_ID_SYNAPTICS_LTS2 0x1d10
#define USB_DEVICE_ID_SYNAPTICS_HD 0x0ac3
#define USB_DEVICE_ID_SYNAPTICS_QUAD_HD 0x1ac3
+#define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012 0x2968
#define USB_DEVICE_ID_SYNAPTICS_TP_V103 0x5710

#define USB_VENDOR_ID_TEXAS_INSTRUMENTS 0x2047
diff --git a/drivers/hid/hid-ite.c b/drivers/hid/hid-ite.c
index 98b059d79bc8..2ce1eb0c9212 100644
--- a/drivers/hid/hid-ite.c
+++ b/drivers/hid/hid-ite.c
@@ -43,6 +43,9 @@ static int ite_event(struct hid_device *hdev, struct hid_field *field,
static const struct hid_device_id ite_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) },
{ HID_USB_DEVICE(USB_VENDOR_ID_258A, USB_DEVICE_ID_258A_6A88) },
+ /* ITE8595 USB kbd ctlr, with Synaptics touchpad connected to it. */
+ { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS,
+ USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012) },
{ }
};
MODULE_DEVICE_TABLE(hid, ite_devices);
diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c
index b60fb6ed5aeb..527535614342 100644
--- a/drivers/media/radio/si470x/radio-si470x-i2c.c
+++ b/drivers/media/radio/si470x/radio-si470x-i2c.c
@@ -453,10 +453,10 @@ static int si470x_i2c_remove(struct i2c_client *client)

free_irq(client->irq, radio);
video_unregister_device(&radio->videodev);
- kfree(radio);

v4l2_ctrl_handler_free(&radio->hdl);
v4l2_device_unregister(&radio->v4l2_dev);
+ kfree(radio);
return 0;
}

diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
index c047a0bdf91f..66990a193bc5 100644
--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -563,7 +563,7 @@ static int af9005_boot_packet(struct usb_device *udev, int type, u8 *reply,
u8 *buf, int size)
{
u16 checksum;
- int act_len, i, ret;
+ int act_len = 0, i, ret;

memset(buf, 0, size);
buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff);
diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c
index 475a3c0cdee7..20d33f0544ed 100644
--- a/drivers/media/usb/dvb-usb/digitv.c
+++ b/drivers/media/usb/dvb-usb/digitv.c
@@ -233,18 +233,22 @@ static struct rc_map_table rc_map_digitv_table[] = {

static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
- int i;
+ int ret, i;
u8 key[5];
u8 b[4] = { 0 };

*event = 0;
*state = REMOTE_NO_KEY_PRESSED;

- digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
+ ret = digitv_ctrl_msg(d, USB_READ_REMOTE, 0, NULL, 0, &key[1], 4);
+ if (ret)
+ return ret;

/* Tell the device we've read the remote. Not sure how necessary
this is, but the Nebula SDK does it. */
- digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
+ ret = digitv_ctrl_msg(d, USB_WRITE_REMOTE, 0, b, 4, NULL, 0);
+ if (ret)
+ return ret;

/* if something is inside the buffer, simulate key press */
if (key[1] != 0)
diff --git a/drivers/media/usb/dvb-usb/dvb-usb-urb.c b/drivers/media/usb/dvb-usb/dvb-usb-urb.c
index c1b4e94a37f8..2aabf90d8697 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-urb.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-urb.c
@@ -12,7 +12,7 @@
int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
u16 rlen, int delay_ms)
{
- int actlen,ret = -ENOMEM;
+ int actlen = 0, ret = -ENOMEM;

if (!d || wbuf == NULL || wlen == 0)
return -EINVAL;
diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c
index 0f141762abf1..87582be4a39d 100644
--- a/drivers/media/usb/gspca/gspca.c
+++ b/drivers/media/usb/gspca/gspca.c
@@ -2038,7 +2038,7 @@ int gspca_dev_probe2(struct usb_interface *intf,
pr_err("couldn't kzalloc gspca struct\n");
return -ENOMEM;
}
- gspca_dev->usb_buf = kmalloc(USB_BUF_SZ, GFP_KERNEL);
+ gspca_dev->usb_buf = kzalloc(USB_BUF_SZ, GFP_KERNEL);
if (!gspca_dev->usb_buf) {
pr_err("out of memory\n");
ret = -ENOMEM;
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 94ad2fdd6ef0..05440b727261 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -137,7 +137,7 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port)

/* Force link status for IMP port */
reg = core_readl(priv, offset);
- reg |= (MII_SW_OR | LINK_STS);
+ reg |= (MII_SW_OR | LINK_STS | GMII_SPEED_UP_2G);
core_writel(priv, reg, offset);

/* Enable Broadcast, Multicast, Unicast forwarding to IMP port */
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index a1125d10c825..8b9a0ce1d29f 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -1521,8 +1521,10 @@ static int b44_magic_pattern(u8 *macaddr, u8 *ppattern, u8 *pmask, int offset)
int ethaddr_bytes = ETH_ALEN;

memset(ppattern + offset, 0xff, magicsync);
- for (j = 0; j < magicsync; j++)
- set_bit(len++, (unsigned long *) pmask);
+ for (j = 0; j < magicsync; j++) {
+ pmask[len >> 3] |= BIT(len & 7);
+ len++;
+ }

for (j = 0; j < B44_MAX_PATTERNS; j++) {
if ((B44_PATTERN_SIZE - len) >= ETH_ALEN)
@@ -1534,7 +1536,8 @@ static int b44_magic_pattern(u8 *macaddr, u8 *ppattern, u8 *pmask, int offset)
for (k = 0; k< ethaddr_bytes; k++) {
ppattern[offset + magicsync +
(j * ETH_ALEN) + k] = macaddr[k];
- set_bit(len++, (unsigned long *) pmask);
+ pmask[len >> 3] |= BIT(len & 7);
+ len++;
}
}
return len - 1;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 38ee7692132c..7461e7b9eaae 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7402,11 +7402,23 @@ static bool bnxt_fltr_match(struct bnxt_ntuple_filter *f1,
struct flow_keys *keys1 = &f1->fkeys;
struct flow_keys *keys2 = &f2->fkeys;

- if (keys1->addrs.v4addrs.src == keys2->addrs.v4addrs.src &&
- keys1->addrs.v4addrs.dst == keys2->addrs.v4addrs.dst &&
- keys1->ports.ports == keys2->ports.ports &&
- keys1->basic.ip_proto == keys2->basic.ip_proto &&
- keys1->basic.n_proto == keys2->basic.n_proto &&
+ if (keys1->basic.n_proto != keys2->basic.n_proto ||
+ keys1->basic.ip_proto != keys2->basic.ip_proto)
+ return false;
+
+ if (keys1->basic.n_proto == htons(ETH_P_IP)) {
+ if (keys1->addrs.v4addrs.src != keys2->addrs.v4addrs.src ||
+ keys1->addrs.v4addrs.dst != keys2->addrs.v4addrs.dst)
+ return false;
+ } else {
+ if (memcmp(&keys1->addrs.v6addrs.src, &keys2->addrs.v6addrs.src,
+ sizeof(keys1->addrs.v6addrs.src)) ||
+ memcmp(&keys1->addrs.v6addrs.dst, &keys2->addrs.v6addrs.dst,
+ sizeof(keys1->addrs.v6addrs.dst)))
+ return false;
+ }
+
+ if (keys1->ports.ports == keys2->ports.ports &&
keys1->control.flags == keys2->control.flags &&
ether_addr_equal(f1->src_mac_addr, f2->src_mac_addr) &&
ether_addr_equal(f1->dst_mac_addr, f2->dst_mac_addr))
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index 9e5cd18e7358..8bd90ad15607 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -66,8 +66,7 @@ static void *seq_tab_start(struct seq_file *seq, loff_t *pos)
static void *seq_tab_next(struct seq_file *seq, void *v, loff_t *pos)
{
v = seq_tab_get_idx(seq->private, *pos + 1);
- if (v)
- ++*pos;
+ ++(*pos);
return v;
}

diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c
index f7ef8871dd0b..67aa3c997417 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c
@@ -682,8 +682,7 @@ static void *l2t_seq_start(struct seq_file *seq, loff_t *pos)
static void *l2t_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
v = l2t_get_idx(seq, *pos);
- if (v)
- ++*pos;
+ ++(*pos);
return v;
}

diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index 75ce773c21a6..b33650a897f1 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -110,7 +110,7 @@ do { \
/* Interface Mode Register (IF_MODE) */

#define IF_MODE_MASK 0x00000003 /* 30-31 Mask on i/f mode bits */
-#define IF_MODE_XGMII 0x00000000 /* 30-31 XGMII (10G) interface */
+#define IF_MODE_10G 0x00000000 /* 30-31 10G interface */
#define IF_MODE_GMII 0x00000002 /* 30-31 GMII (1G) interface */
#define IF_MODE_RGMII 0x00000004
#define IF_MODE_RGMII_AUTO 0x00008000
@@ -439,7 +439,7 @@ static int init(struct memac_regs __iomem *regs, struct memac_cfg *cfg,
tmp = 0;
switch (phy_if) {
case PHY_INTERFACE_MODE_XGMII:
- tmp |= IF_MODE_XGMII;
+ tmp |= IF_MODE_10G;
break;
default:
tmp |= IF_MODE_GMII;
diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index e03b30c60dcf..c82c85ef5fb3 100644
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -49,6 +49,7 @@ struct tgec_mdio_controller {
struct mdio_fsl_priv {
struct tgec_mdio_controller __iomem *mdio_base;
bool is_little_endian;
+ bool has_a011043;
};

static u32 xgmac_read32(void __iomem *regs,
@@ -226,7 +227,8 @@ static int xgmac_mdio_read(struct mii_bus *bus, int phy_id, int regnum)
return ret;

/* Return all Fs if nothing was there */
- if (xgmac_read32(&regs->mdio_stat, endian) & MDIO_STAT_RD_ER) {
+ if ((xgmac_read32(&regs->mdio_stat, endian) & MDIO_STAT_RD_ER) &&
+ !priv->has_a011043) {
dev_err(&bus->dev,
"Error while reading PHY%d reg at %d.%hhu\n",
phy_id, dev_addr, regnum);
@@ -274,6 +276,9 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
priv->is_little_endian = of_property_read_bool(pdev->dev.of_node,
"little-endian");

+ priv->has_a011043 = of_property_read_bool(pdev->dev.of_node,
+ "fsl,erratum-a011043");
+
ret = of_mdiobus_register(bus, np);
if (ret) {
dev_err(&pdev->dev, "cannot register MDIO bus\n");
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c
index c37cc8bccf47..158c277ec353 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.c
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
@@ -562,7 +562,7 @@ static s32 igb_set_sfp_media_type_82575(struct e1000_hw *hw)
dev_spec->module_plugged = true;
if (eth_flags->e1000_base_lx || eth_flags->e1000_base_sx) {
hw->phy.media_type = e1000_media_type_internal_serdes;
- } else if (eth_flags->e100_base_fx) {
+ } else if (eth_flags->e100_base_fx || eth_flags->e100_base_lx) {
dev_spec->sgmii_active = true;
hw->phy.media_type = e1000_media_type_internal_serdes;
} else if (eth_flags->e1000_base_t) {
@@ -689,14 +689,10 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
break;
}

- /* do not change link mode for 100BaseFX */
- if (dev_spec->eth_flags.e100_base_fx)
- break;
-
/* change current link mode setting */
ctrl_ext &= ~E1000_CTRL_EXT_LINK_MODE_MASK;

- if (hw->phy.media_type == e1000_media_type_copper)
+ if (dev_spec->sgmii_active)
ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_SGMII;
else
ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index d06a8db514d4..82028ce355fb 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -201,7 +201,7 @@ static int igb_get_link_ksettings(struct net_device *netdev,
advertising &= ~ADVERTISED_1000baseKX_Full;
}
}
- if (eth_flags->e100_base_fx) {
+ if (eth_flags->e100_base_fx || eth_flags->e100_base_lx) {
supported |= SUPPORTED_100baseT_Full;
advertising |= ADVERTISED_100baseT_Full;
}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index e4c1e6345edd..ba184287e11f 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -5131,7 +5131,7 @@ static void ixgbe_fdir_filter_restore(struct ixgbe_adapter *adapter)
struct ixgbe_hw *hw = &adapter->hw;
struct hlist_node *node2;
struct ixgbe_fdir_filter *filter;
- u64 action;
+ u8 queue;

spin_lock(&adapter->fdir_perfect_lock);

@@ -5140,17 +5140,34 @@ static void ixgbe_fdir_filter_restore(struct ixgbe_adapter *adapter)

hlist_for_each_entry_safe(filter, node2,
&adapter->fdir_filter_list, fdir_node) {
- action = filter->action;
- if (action != IXGBE_FDIR_DROP_QUEUE && action != 0)
- action =
- (action >> ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF) - 1;
+ if (filter->action == IXGBE_FDIR_DROP_QUEUE) {
+ queue = IXGBE_FDIR_DROP_QUEUE;
+ } else {
+ u32 ring = ethtool_get_flow_spec_ring(filter->action);
+ u8 vf = ethtool_get_flow_spec_ring_vf(filter->action);
+
+ if (!vf && (ring >= adapter->num_rx_queues)) {
+ e_err(drv, "FDIR restore failed without VF, ring: %u\n",
+ ring);
+ continue;
+ } else if (vf &&
+ ((vf > adapter->num_vfs) ||
+ ring >= adapter->num_rx_queues_per_pool)) {
+ e_err(drv, "FDIR restore failed with VF, vf: %hhu, ring: %u\n",
+ vf, ring);
+ continue;
+ }
+
+ /* Map the ring onto the absolute queue index */
+ if (!vf)
+ queue = adapter->rx_ring[ring]->reg_idx;
+ else
+ queue = ((vf - 1) *
+ adapter->num_rx_queues_per_pool) + ring;
+ }

ixgbe_fdir_write_perfect_filter_82599(hw,
- &filter->filter,
- filter->sw_idx,
- (action == IXGBE_FDIR_DROP_QUEUE) ?
- IXGBE_FDIR_DROP_QUEUE :
- adapter->rx_ring[action]->reg_idx);
+ &filter->filter, filter->sw_idx, queue);
}

spin_unlock(&adapter->fdir_perfect_lock);
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index e238f6e85ab6..a7708e14aa5c 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1858,11 +1858,6 @@ static int ixgbevf_write_uc_addr_list(struct net_device *netdev)
struct ixgbe_hw *hw = &adapter->hw;
int count = 0;

- if ((netdev_uc_count(netdev)) > 10) {
- pr_err("Too many unicast filters - No Space\n");
- return -ENOSPC;
- }
-
if (!netdev_uc_empty(netdev)) {
struct netdev_hw_addr *ha;

diff --git a/drivers/net/ethernet/natsemi/sonic.c b/drivers/net/ethernet/natsemi/sonic.c
index a051dddcbd76..254e6dbc4c6a 100644
--- a/drivers/net/ethernet/natsemi/sonic.c
+++ b/drivers/net/ethernet/natsemi/sonic.c
@@ -50,6 +50,8 @@ static int sonic_open(struct net_device *dev)
if (sonic_debug > 2)
printk("sonic_open: initializing sonic driver.\n");

+ spin_lock_init(&lp->lock);
+
for (i = 0; i < SONIC_NUM_RRS; i++) {
struct sk_buff *skb = netdev_alloc_skb(dev, SONIC_RBSIZE + 2);
if (skb == NULL) {
@@ -101,6 +103,24 @@ static int sonic_open(struct net_device *dev)
return 0;
}

+/* Wait for the SONIC to become idle. */
+static void sonic_quiesce(struct net_device *dev, u16 mask)
+{
+ struct sonic_local * __maybe_unused lp = netdev_priv(dev);
+ int i;
+ u16 bits;
+
+ for (i = 0; i < 1000; ++i) {
+ bits = SONIC_READ(SONIC_CMD) & mask;
+ if (!bits)
+ return;
+ if (irqs_disabled() || in_interrupt())
+ udelay(20);
+ else
+ usleep_range(100, 200);
+ }
+ WARN_ONCE(1, "command deadline expired! 0x%04x\n", bits);
+}

/*
* Close the SONIC device
@@ -118,6 +138,9 @@ static int sonic_close(struct net_device *dev)
/*
* stop the SONIC, disable interrupts
*/
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_RXDIS);
+ sonic_quiesce(dev, SONIC_CR_ALL);
+
SONIC_WRITE(SONIC_IMR, 0);
SONIC_WRITE(SONIC_ISR, 0x7fff);
SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
@@ -157,6 +180,9 @@ static void sonic_tx_timeout(struct net_device *dev)
* put the Sonic into software-reset mode and
* disable all interrupts before releasing DMA buffers
*/
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_RXDIS);
+ sonic_quiesce(dev, SONIC_CR_ALL);
+
SONIC_WRITE(SONIC_IMR, 0);
SONIC_WRITE(SONIC_ISR, 0x7fff);
SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
@@ -194,8 +220,6 @@ static void sonic_tx_timeout(struct net_device *dev)
* wake the tx queue
* Concurrently with all of this, the SONIC is potentially writing to
* the status flags of the TDs.
- * Until some mutual exclusion is added, this code will not work with SMP. However,
- * MIPS Jazz machines and m68k Macs were all uni-processor machines.
*/

static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
@@ -203,7 +227,8 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
struct sonic_local *lp = netdev_priv(dev);
dma_addr_t laddr;
int length;
- int entry = lp->next_tx;
+ int entry;
+ unsigned long flags;

if (sonic_debug > 2)
printk("sonic_send_packet: skb=%p, dev=%p\n", skb, dev);
@@ -226,6 +251,10 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
}

+ spin_lock_irqsave(&lp->lock, flags);
+
+ entry = lp->next_tx;
+
sonic_tda_put(dev, entry, SONIC_TD_STATUS, 0); /* clear status */
sonic_tda_put(dev, entry, SONIC_TD_FRAG_COUNT, 1); /* single fragment */
sonic_tda_put(dev, entry, SONIC_TD_PKTSIZE, length); /* length of packet */
@@ -235,10 +264,6 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
sonic_tda_put(dev, entry, SONIC_TD_LINK,
sonic_tda_get(dev, entry, SONIC_TD_LINK) | SONIC_EOL);

- /*
- * Must set tx_skb[entry] only after clearing status, and
- * before clearing EOL and before stopping queue
- */
wmb();
lp->tx_len[entry] = length;
lp->tx_laddr[entry] = laddr;
@@ -263,6 +288,8 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)

SONIC_WRITE(SONIC_CMD, SONIC_CR_TXP);

+ spin_unlock_irqrestore(&lp->lock, flags);
+
return NETDEV_TX_OK;
}

@@ -275,9 +302,21 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
struct net_device *dev = dev_id;
struct sonic_local *lp = netdev_priv(dev);
int status;
+ unsigned long flags;
+
+ /* The lock has two purposes. Firstly, it synchronizes sonic_interrupt()
+ * with sonic_send_packet() so that the two functions can share state.
+ * Secondly, it makes sonic_interrupt() re-entrant, as that is required
+ * by macsonic which must use two IRQs with different priority levels.
+ */
+ spin_lock_irqsave(&lp->lock, flags);
+
+ status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT;
+ if (!status) {
+ spin_unlock_irqrestore(&lp->lock, flags);

- if (!(status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT))
return IRQ_NONE;
+ }

do {
if (status & SONIC_INT_PKTRX) {
@@ -292,11 +331,12 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
int td_status;
int freed_some = 0;

- /* At this point, cur_tx is the index of a TD that is one of:
- * unallocated/freed (status set & tx_skb[entry] clear)
- * allocated and sent (status set & tx_skb[entry] set )
- * allocated and not yet sent (status clear & tx_skb[entry] set )
- * still being allocated by sonic_send_packet (status clear & tx_skb[entry] clear)
+ /* The state of a Transmit Descriptor may be inferred
+ * from { tx_skb[entry], td_status } as follows.
+ * { clear, clear } => the TD has never been used
+ * { set, clear } => the TD was handed to SONIC
+ * { set, set } => the TD was handed back
+ * { clear, set } => the TD is available for re-use
*/

if (sonic_debug > 2)
@@ -398,10 +438,30 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
/* load CAM done */
if (status & SONIC_INT_LCD)
SONIC_WRITE(SONIC_ISR, SONIC_INT_LCD); /* clear the interrupt */
- } while((status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT));
+
+ status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT;
+ } while (status);
+
+ spin_unlock_irqrestore(&lp->lock, flags);
+
return IRQ_HANDLED;
}

+/* Return the array index corresponding to a given Receive Buffer pointer. */
+static int index_from_addr(struct sonic_local *lp, dma_addr_t addr,
+ unsigned int last)
+{
+ unsigned int i = last;
+
+ do {
+ i = (i + 1) & SONIC_RRS_MASK;
+ if (addr == lp->rx_laddr[i])
+ return i;
+ } while (i != last);
+
+ return -ENOENT;
+}
+
/*
* We have a good packet(s), pass it/them up the network stack.
*/
@@ -421,6 +481,16 @@ static void sonic_rx(struct net_device *dev)

status = sonic_rda_get(dev, entry, SONIC_RD_STATUS);
if (status & SONIC_RCR_PRX) {
+ u32 addr = (sonic_rda_get(dev, entry,
+ SONIC_RD_PKTPTR_H) << 16) |
+ sonic_rda_get(dev, entry, SONIC_RD_PKTPTR_L);
+ int i = index_from_addr(lp, addr, entry);
+
+ if (i < 0) {
+ WARN_ONCE(1, "failed to find buffer!\n");
+ break;
+ }
+
/* Malloc up new buffer. */
new_skb = netdev_alloc_skb(dev, SONIC_RBSIZE + 2);
if (new_skb == NULL) {
@@ -442,7 +512,7 @@ static void sonic_rx(struct net_device *dev)

/* now we have a new skb to replace it, pass the used one up the stack */
dma_unmap_single(lp->device, lp->rx_laddr[entry], SONIC_RBSIZE, DMA_FROM_DEVICE);
- used_skb = lp->rx_skb[entry];
+ used_skb = lp->rx_skb[i];
pkt_len = sonic_rda_get(dev, entry, SONIC_RD_PKTLEN);
skb_trim(used_skb, pkt_len);
used_skb->protocol = eth_type_trans(used_skb, dev);
@@ -451,13 +521,13 @@ static void sonic_rx(struct net_device *dev)
lp->stats.rx_bytes += pkt_len;

/* and insert the new skb */
- lp->rx_laddr[entry] = new_laddr;
- lp->rx_skb[entry] = new_skb;
+ lp->rx_laddr[i] = new_laddr;
+ lp->rx_skb[i] = new_skb;

bufadr_l = (unsigned long)new_laddr & 0xffff;
bufadr_h = (unsigned long)new_laddr >> 16;
- sonic_rra_put(dev, entry, SONIC_RR_BUFADR_L, bufadr_l);
- sonic_rra_put(dev, entry, SONIC_RR_BUFADR_H, bufadr_h);
+ sonic_rra_put(dev, i, SONIC_RR_BUFADR_L, bufadr_l);
+ sonic_rra_put(dev, i, SONIC_RR_BUFADR_H, bufadr_h);
} else {
/* This should only happen, if we enable accepting broken packets. */
lp->stats.rx_errors++;
@@ -592,6 +662,7 @@ static int sonic_init(struct net_device *dev)
*/
SONIC_WRITE(SONIC_CMD, 0);
SONIC_WRITE(SONIC_CMD, SONIC_CR_RXDIS);
+ sonic_quiesce(dev, SONIC_CR_ALL);

/*
* initialize the receive resource area
diff --git a/drivers/net/ethernet/natsemi/sonic.h b/drivers/net/ethernet/natsemi/sonic.h
index 421b1a283fed..7dc011655e70 100644
--- a/drivers/net/ethernet/natsemi/sonic.h
+++ b/drivers/net/ethernet/natsemi/sonic.h
@@ -110,6 +110,9 @@
#define SONIC_CR_TXP 0x0002
#define SONIC_CR_HTX 0x0001

+#define SONIC_CR_ALL (SONIC_CR_LCAM | SONIC_CR_RRRA | \
+ SONIC_CR_RXEN | SONIC_CR_TXP)
+
/*
* SONIC data configuration bits
*/
@@ -274,8 +277,9 @@
#define SONIC_NUM_RDS SONIC_NUM_RRS /* number of receive descriptors */
#define SONIC_NUM_TDS 16 /* number of transmit descriptors */

-#define SONIC_RDS_MASK (SONIC_NUM_RDS-1)
-#define SONIC_TDS_MASK (SONIC_NUM_TDS-1)
+#define SONIC_RRS_MASK (SONIC_NUM_RRS - 1)
+#define SONIC_RDS_MASK (SONIC_NUM_RDS - 1)
+#define SONIC_TDS_MASK (SONIC_NUM_TDS - 1)

#define SONIC_RBSIZE 1520 /* size of one resource buffer */

@@ -321,6 +325,7 @@ struct sonic_local {
unsigned int next_tx; /* next free TD */
struct device *device; /* generic device */
struct net_device_stats stats;
+ spinlock_t lock;
};

#define TX_TIMEOUT (3 * HZ)
@@ -342,30 +347,30 @@ static void sonic_tx_timeout(struct net_device *dev);
as far as we can tell. */
/* OpenBSD calls this "SWO". I'd like to think that sonic_buf_put()
is a much better name. */
-static inline void sonic_buf_put(void* base, int bitmode,
+static inline void sonic_buf_put(u16 *base, int bitmode,
int offset, __u16 val)
{
if (bitmode)
#ifdef __BIG_ENDIAN
- ((__u16 *) base + (offset*2))[1] = val;
+ __raw_writew(val, base + (offset * 2) + 1);
#else
- ((__u16 *) base + (offset*2))[0] = val;
+ __raw_writew(val, base + (offset * 2) + 0);
#endif
else
- ((__u16 *) base)[offset] = val;
+ __raw_writew(val, base + (offset * 1) + 0);
}

-static inline __u16 sonic_buf_get(void* base, int bitmode,
+static inline __u16 sonic_buf_get(u16 *base, int bitmode,
int offset)
{
if (bitmode)
#ifdef __BIG_ENDIAN
- return ((volatile __u16 *) base + (offset*2))[1];
+ return __raw_readw(base + (offset * 2) + 1);
#else
- return ((volatile __u16 *) base + (offset*2))[0];
+ return __raw_readw(base + (offset * 2) + 0);
#endif
else
- return ((volatile __u16 *) base)[offset];
+ return __raw_readw(base + (offset * 1) + 0);
}

/* Inlines that you should actually use for reading/writing DMA buffers */
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index a496390b8632..07f9067affc6 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -2043,6 +2043,7 @@ static void qlcnic_83xx_exec_template_cmd(struct qlcnic_adapter *p_dev,
break;
}
entry += p_hdr->size;
+ cond_resched();
}
p_dev->ahw->reset.seq_index = index;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
index afa10a163da1..f34ae8c75bc5 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
@@ -703,6 +703,7 @@ static u32 qlcnic_read_memory_test_agent(struct qlcnic_adapter *adapter,
addr += 16;
reg_read -= 16;
ret += 16;
+ cond_resched();
}
out:
mutex_unlock(&adapter->ahw->mem_lock);
@@ -1383,6 +1384,7 @@ int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
buf_offset += entry->hdr.cap_size;
entry_offset += entry->hdr.offset;
buffer = fw_dump->data + buf_offset;
+ cond_resched();
}

fw_dump->clr = 1;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 4a984b76a60e..db70d4c5778a 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -999,6 +999,7 @@ static const struct usb_device_id products[] = {
{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */
{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */
{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */
+ {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */

/* 3. Combined interface devices matching on interface number */
{QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 0083c60f5cdf..a7f9c1886bd4 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5244,6 +5244,11 @@ static int rtl8152_probe(struct usb_interface *intf,

intf->needs_remote_wakeup = 1;

+ if (!rtl_can_wakeup(tp))
+ __rtl_set_wol(tp, 0);
+ else
+ tp->saved_wolopts = __rtl_get_wol(tp);
+
tp->rtl_ops.init(tp);
queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0);
set_ethernet_addr(tp);
@@ -5257,10 +5262,6 @@ static int rtl8152_probe(struct usb_interface *intf,
goto out1;
}

- if (!rtl_can_wakeup(tp))
- __rtl_set_wol(tp, 0);
-
- tp->saved_wolopts = __rtl_get_wol(tp);
if (tp->saved_wolopts)
device_set_wakeup_enable(&udev->dev, true);
else
diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c
index 236c62538036..1eb329fc7241 100644
--- a/drivers/net/wan/sdla.c
+++ b/drivers/net/wan/sdla.c
@@ -711,7 +711,7 @@ static netdev_tx_t sdla_transmit(struct sk_buff *skb,

spin_lock_irqsave(&sdla_lock, flags);
SDLA_WINDOW(dev, addr);
- pbuf = (void *)(((int) dev->mem_start) + (addr & SDLA_ADDR_MASK));
+ pbuf = (void *)(dev->mem_start + (addr & SDLA_ADDR_MASK));
__sdla_write(dev, pbuf->buf_addr, skb->data, skb->len);
SDLA_WINDOW(dev, addr);
pbuf->opp_flag = 1;
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index c5f4dd808745..6f669166c263 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -1214,7 +1214,7 @@ static void ath9k_hif_usb_firmware_cb(const struct firmware *fw, void *context)
static int send_eject_command(struct usb_interface *interface)
{
struct usb_device *udev = interface_to_usbdev(interface);
- struct usb_host_interface *iface_desc = &interface->altsetting[0];
+ struct usb_host_interface *iface_desc = interface->cur_altsetting;
struct usb_endpoint_descriptor *endpoint;
unsigned char *cmd;
u8 bulk_out_ep;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
index be855aa32154..2eb5fe7367c6 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
@@ -1333,7 +1333,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
goto fail;
}

- desc = &intf->altsetting[0].desc;
+ desc = &intf->cur_altsetting->desc;
if ((desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) ||
(desc->bInterfaceSubClass != 2) ||
(desc->bInterfaceProtocol != 0xff)) {
@@ -1346,7 +1346,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)

num_of_eps = desc->bNumEndpoints;
for (ep = 0; ep < num_of_eps; ep++) {
- endpoint = &intf->altsetting[0].endpoint[ep].desc;
+ endpoint = &intf->cur_altsetting->endpoint[ep].desc;
endpoint_num = usb_endpoint_num(endpoint);
if (!usb_endpoint_xfer_bulk(endpoint))
continue;
diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c
index fc49255bab00..f3f20abbe269 100644
--- a/drivers/net/wireless/cisco/airo.c
+++ b/drivers/net/wireless/cisco/airo.c
@@ -7788,16 +7788,8 @@ static int readrids(struct net_device *dev, aironet_ioctl *comp) {
case AIROGVLIST: ridcode = RID_APLIST; break;
case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
- case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
- /* Only super-user can read WEP keys */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- break;
- case AIROGWEPKNV: ridcode = RID_WEP_PERM;
- /* Only super-user can read WEP keys */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- break;
+ case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break;
+ case AIROGWEPKNV: ridcode = RID_WEP_PERM; break;
case AIROGSTAT: ridcode = RID_STATUS; break;
case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
case AIROGSTATSC32: ridcode = RID_STATS; break;
@@ -7811,7 +7803,13 @@ static int readrids(struct net_device *dev, aironet_ioctl *comp) {
return -EINVAL;
}

- if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
+ if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) {
+ /* Only super-user can read WEP keys */
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ }
+
+ if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL)
return -ENOMEM;

PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
diff --git a/drivers/net/wireless/intersil/orinoco/orinoco_usb.c b/drivers/net/wireless/intersil/orinoco/orinoco_usb.c
index 56f6e3b71f48..95015d74b1c0 100644
--- a/drivers/net/wireless/intersil/orinoco/orinoco_usb.c
+++ b/drivers/net/wireless/intersil/orinoco/orinoco_usb.c
@@ -1613,9 +1613,9 @@ static int ezusb_probe(struct usb_interface *interface,
/* set up the endpoint information */
/* check out the endpoints */

- iface_desc = &interface->altsetting[0].desc;
+ iface_desc = &interface->cur_altsetting->desc;
for (i = 0; i < iface_desc->bNumEndpoints; ++i) {
- ep = &interface->altsetting[0].endpoint[i].desc;
+ ep = &interface->cur_altsetting->endpoint[i].desc;

if (usb_endpoint_is_bulk_in(ep)) {
/* we found a bulk in endpoint */
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 73fc5952fd37..63f37fa72e4b 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -5921,7 +5921,7 @@ static int rtl8xxxu_parse_usb(struct rtl8xxxu_priv *priv,
u8 dir, xtype, num;
int ret = 0;

- host_interface = &interface->altsetting[0];
+ host_interface = interface->cur_altsetting;
interface_desc = &host_interface->desc;
endpoints = interface_desc->bNumEndpoints;

diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c
index 120b0ff545c1..d205947c4c55 100644
--- a/drivers/net/wireless/rsi/rsi_91x_hal.c
+++ b/drivers/net/wireless/rsi/rsi_91x_hal.c
@@ -541,6 +541,7 @@ static int bl_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, char *str)
bl_start_cmd_timer(adapter, timeout);
status = bl_write_cmd(adapter, cmd, exp_resp, &regout_val);
if (status < 0) {
+ bl_stop_cmd_timer(adapter);
rsi_dbg(ERR_ZONE,
"%s: Command %s (%0x) writing failed..\n",
__func__, str, cmd);
@@ -656,10 +657,9 @@ static int ping_pong_write(struct rsi_hw *adapter, u8 cmd, u8 *addr, u32 size)
}

status = bl_cmd(adapter, cmd_req, cmd_resp, str);
- if (status) {
- bl_stop_cmd_timer(adapter);
+ if (status)
return status;
- }
+
return 0;
}

@@ -749,10 +749,9 @@ static int auto_fw_upgrade(struct rsi_hw *adapter, u8 *flash_content,

status = bl_cmd(adapter, EOF_REACHED, FW_LOADING_SUCCESSFUL,
"EOF_REACHED");
- if (status) {
- bl_stop_cmd_timer(adapter);
+ if (status)
return status;
- }
+
rsi_dbg(INFO_ZONE, "FW loading is done and FW is running..\n");
return 0;
}
@@ -773,6 +772,7 @@ static int rsi_load_firmware(struct rsi_hw *adapter)
status = hif_ops->master_reg_read(adapter, SWBL_REGOUT,
&regout_val, 2);
if (status < 0) {
+ bl_stop_cmd_timer(adapter);
rsi_dbg(ERR_ZONE,
"%s: REGOUT read failed\n", __func__);
return status;
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c
index f90c10b3c921..786a330bc470 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -105,7 +105,7 @@ static int rsi_find_bulk_in_and_out_endpoints(struct usb_interface *interface,
__le16 buffer_size;
int ii, bep_found = 0;

- iface_desc = &(interface->altsetting[0]);
+ iface_desc = interface->cur_altsetting;

for (ii = 0; ii < iface_desc->desc.bNumEndpoints; ++ii) {
endpoint = &(iface_desc->endpoint[ii].desc);
diff --git a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
index c30bf118c67d..1e396eb26ccf 100644
--- a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c
@@ -1272,7 +1272,7 @@ static void print_id(struct usb_device *udev)
static int eject_installer(struct usb_interface *intf)
{
struct usb_device *udev = interface_to_usbdev(intf);
- struct usb_host_interface *iface_desc = &intf->altsetting[0];
+ struct usb_host_interface *iface_desc = intf->cur_altsetting;
struct usb_endpoint_descriptor *endpoint;
unsigned char *cmd;
u8 bulk_out_ep;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 90df085e9f92..e7ed051ec125 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4019,6 +4019,40 @@ static void quirk_mic_x200_dma_alias(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2260, quirk_mic_x200_dma_alias);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2264, quirk_mic_x200_dma_alias);

+/*
+ * Intel Visual Compute Accelerator (VCA) is a family of PCIe add-in devices
+ * exposing computational units via Non Transparent Bridges (NTB, PEX 87xx).
+ *
+ * Similarly to MIC x200, we need to add DMA aliases to allow buffer access
+ * when IOMMU is enabled. These aliases allow computational unit access to
+ * host memory. These aliases mark the whole VCA device as one IOMMU
+ * group.
+ *
+ * All possible slot numbers (0x20) are used, since we are unable to tell
+ * what slot is used on other side. This quirk is intended for both host
+ * and computational unit sides. The VCA devices have up to five functions
+ * (four for DMA channels and one additional).
+ */
+static void quirk_pex_vca_alias(struct pci_dev *pdev)
+{
+ const unsigned int num_pci_slots = 0x20;
+ unsigned int slot;
+
+ for (slot = 0; slot < num_pci_slots; slot++) {
+ pci_add_dma_alias(pdev, PCI_DEVFN(slot, 0x0));
+ pci_add_dma_alias(pdev, PCI_DEVFN(slot, 0x1));
+ pci_add_dma_alias(pdev, PCI_DEVFN(slot, 0x2));
+ pci_add_dma_alias(pdev, PCI_DEVFN(slot, 0x3));
+ pci_add_dma_alias(pdev, PCI_DEVFN(slot, 0x4));
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2954, quirk_pex_vca_alias);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2955, quirk_pex_vca_alias);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2956, quirk_pex_vca_alias);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2958, quirk_pex_vca_alias);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2959, quirk_pex_vca_alias);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x295A, quirk_pex_vca_alias);
+
/*
* The IOMMU and interrupt controller on Broadcom Vulcan/Cavium ThunderX2 are
* associated not at the root bus, but at a bridge below. This quirk avoids
diff --git a/drivers/phy/motorola/phy-cpcap-usb.c b/drivers/phy/motorola/phy-cpcap-usb.c
index 4ba3634009af..593c77dbde2e 100644
--- a/drivers/phy/motorola/phy-cpcap-usb.c
+++ b/drivers/phy/motorola/phy-cpcap-usb.c
@@ -115,7 +115,7 @@ struct cpcap_usb_ints_state {
enum cpcap_gpio_mode {
CPCAP_DM_DP,
CPCAP_MDM_RX_TX,
- CPCAP_UNKNOWN,
+ CPCAP_UNKNOWN_DISABLED, /* Seems to disable USB lines */
CPCAP_OTG_DM_DP,
};

@@ -379,7 +379,8 @@ static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata)
{
int error;

- error = cpcap_usb_gpio_set_mode(ddata, CPCAP_DM_DP);
+ /* Disable lines to prevent glitches from waking up mdm6600 */
+ error = cpcap_usb_gpio_set_mode(ddata, CPCAP_UNKNOWN_DISABLED);
if (error)
goto out_err;

@@ -406,6 +407,11 @@ static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata)
if (error)
goto out_err;

+ /* Enable UART mode */
+ error = cpcap_usb_gpio_set_mode(ddata, CPCAP_DM_DP);
+ if (error)
+ goto out_err;
+
return 0;

out_err:
@@ -418,7 +424,8 @@ static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata)
{
int error;

- error = cpcap_usb_gpio_set_mode(ddata, CPCAP_OTG_DM_DP);
+ /* Disable lines to prevent glitches from waking up mdm6600 */
+ error = cpcap_usb_gpio_set_mode(ddata, CPCAP_UNKNOWN_DISABLED);
if (error)
return error;

@@ -458,6 +465,11 @@ static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata)
if (error)
goto out_err;

+ /* Enable USB mode */
+ error = cpcap_usb_gpio_set_mode(ddata, CPCAP_OTG_DM_DP);
+ if (error)
+ goto out_err;
+
return 0;

out_err:
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 242e2ee494a1..d79ac0b24f5a 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -446,6 +446,9 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_
if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_IO_BLOCKED)))
return SCSI_MLQUEUE_HOST_BUSY;

+ if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_FWRESET)))
+ return SCSI_MLQUEUE_HOST_BUSY;
+
rport = starget_to_rport(scsi_target(sc->device));
if (!rport) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c
index 369aef5e7228..651827c6ee6f 100644
--- a/drivers/soc/ti/wkup_m3_ipc.c
+++ b/drivers/soc/ti/wkup_m3_ipc.c
@@ -375,6 +375,8 @@ static void wkup_m3_rproc_boot_thread(struct wkup_m3_ipc *m3_ipc)
ret = rproc_boot(m3_ipc->rproc);
if (ret)
dev_err(dev, "rproc_boot failed\n");
+ else
+ m3_ipc_state = m3_ipc;

do_exit(0);
}
@@ -461,8 +463,6 @@ static int wkup_m3_ipc_probe(struct platform_device *pdev)
goto err_put_rproc;
}

- m3_ipc_state = m3_ipc;
-
return 0;

err_put_rproc:
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index b217c22ff72f..b461200871f8 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -180,9 +180,11 @@ static inline u32 rx_max(struct dw_spi *dws)

static void dw_writer(struct dw_spi *dws)
{
- u32 max = tx_max(dws);
+ u32 max;
u16 txw = 0;

+ spin_lock(&dws->buf_lock);
+ max = tx_max(dws);
while (max--) {
/* Set the tx word if the transfer's original "tx" is not null */
if (dws->tx_end - dws->len) {
@@ -194,13 +196,16 @@ static void dw_writer(struct dw_spi *dws)
dw_write_io_reg(dws, DW_SPI_DR, txw);
dws->tx += dws->n_bytes;
}
+ spin_unlock(&dws->buf_lock);
}

static void dw_reader(struct dw_spi *dws)
{
- u32 max = rx_max(dws);
+ u32 max;
u16 rxw;

+ spin_lock(&dws->buf_lock);
+ max = rx_max(dws);
while (max--) {
rxw = dw_read_io_reg(dws, DW_SPI_DR);
/* Care rx only if the transfer's original "rx" is not null */
@@ -212,6 +217,7 @@ static void dw_reader(struct dw_spi *dws)
}
dws->rx += dws->n_bytes;
}
+ spin_unlock(&dws->buf_lock);
}

static void int_error_stop(struct dw_spi *dws, const char *msg)
@@ -284,18 +290,20 @@ static int dw_spi_transfer_one(struct spi_master *master,
{
struct dw_spi *dws = spi_master_get_devdata(master);
struct chip_data *chip = spi_get_ctldata(spi);
+ unsigned long flags;
u8 imask = 0;
u16 txlevel = 0;
u32 cr0;
int ret;

dws->dma_mapped = 0;
-
+ spin_lock_irqsave(&dws->buf_lock, flags);
dws->tx = (void *)transfer->tx_buf;
dws->tx_end = dws->tx + transfer->len;
dws->rx = transfer->rx_buf;
dws->rx_end = dws->rx + transfer->len;
dws->len = transfer->len;
+ spin_unlock_irqrestore(&dws->buf_lock, flags);

spi_enable_chip(dws, 0);

@@ -486,6 +494,7 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
dws->type = SSI_MOTO_SPI;
dws->dma_inited = 0;
dws->dma_addr = (dma_addr_t)(dws->paddr + DW_SPI_DR);
+ spin_lock_init(&dws->buf_lock);

ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED, dev_name(dev),
master);
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 5c07cf8f19e0..45fbf3ad591c 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -117,6 +117,7 @@ struct dw_spi {
size_t len;
void *tx;
void *tx_end;
+ spinlock_t buf_lock;
void *rx;
void *rx_end;
int dma_mapped;
diff --git a/drivers/staging/most/aim-network/networking.c b/drivers/staging/most/aim-network/networking.c
index 936f013c350e..6398c27563c9 100644
--- a/drivers/staging/most/aim-network/networking.c
+++ b/drivers/staging/most/aim-network/networking.c
@@ -85,6 +85,11 @@ static int skb_to_mamac(const struct sk_buff *skb, struct mbo *mbo)
unsigned int payload_len = skb->len - ETH_HLEN;
unsigned int mdp_len = payload_len + MDP_HDR_LEN;

+ if (mdp_len < skb->len) {
+ pr_err("drop: too large packet! (%u)\n", skb->len);
+ return -EINVAL;
+ }
+
if (mbo->buffer_length < mdp_len) {
pr_err("drop: too small buffer! (%d for %d)\n",
mbo->buffer_length, mdp_len);
@@ -132,6 +137,11 @@ static int skb_to_mep(const struct sk_buff *skb, struct mbo *mbo)
u8 *buff = mbo->virt_address;
unsigned int mep_len = skb->len + MEP_HDR_LEN;

+ if (mep_len < skb->len) {
+ pr_err("drop: too large packet! (%u)\n", skb->len);
+ return -EINVAL;
+ }
+
if (mbo->buffer_length < mep_len) {
pr_err("drop: too small buffer! (%d for %d)\n",
mbo->buffer_length, mep_len);
diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index 705fffa59da9..41a4f9555d07 100644
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -62,6 +62,8 @@
#define RATE_AUTO 12

#define MAX_RATE 12
+#define VNT_B_RATES (BIT(RATE_1M) | BIT(RATE_2M) |\
+ BIT(RATE_5M) | BIT(RATE_11M))

/*
* device specific
diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c
index c6ffbe0e2728..c521729c4192 100644
--- a/drivers/staging/vt6656/int.c
+++ b/drivers/staging/vt6656/int.c
@@ -107,9 +107,11 @@ static int vnt_int_report_rate(struct vnt_private *priv, u8 pkt_no, u8 tsr)

info->status.rates[0].count = tx_retry;

- if (!(tsr & (TSR_TMO | TSR_RETRYTMO))) {
+ if (!(tsr & TSR_TMO)) {
info->status.rates[0].idx = idx;
- info->flags |= IEEE80211_TX_STAT_ACK;
+
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+ info->flags |= IEEE80211_TX_STAT_ACK;
}

ieee80211_tx_status_irqsafe(priv->hw, context->skb);
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 645ea16b53d5..e8ccd800c94f 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -977,6 +977,7 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
ieee80211_hw_set(priv->hw, RX_INCLUDES_FCS);
ieee80211_hw_set(priv->hw, REPORTS_TX_ACK_STATUS);
ieee80211_hw_set(priv->hw, SUPPORTS_PS);
+ ieee80211_hw_set(priv->hw, PS_NULLFUNC_STACK);

priv->hw->max_signal = 100;

diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index a44abcce6fb4..f78f31ce6443 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -288,11 +288,9 @@ static u16 vnt_rxtx_datahead_g(struct vnt_usb_send_context *tx_context,
PK_TYPE_11B, &buf->b);

/* Get Duration and TimeStamp */
- if (ieee80211_is_pspoll(hdr->frame_control)) {
- __le16 dur = cpu_to_le16(priv->current_aid | BIT(14) | BIT(15));
-
- buf->duration_a = dur;
- buf->duration_b = dur;
+ if (ieee80211_is_nullfunc(hdr->frame_control)) {
+ buf->duration_a = hdr->duration_id;
+ buf->duration_b = hdr->duration_id;
} else {
buf->duration_a = vnt_get_duration_le(priv,
tx_context->pkt_type, need_ack);
@@ -381,10 +379,8 @@ static u16 vnt_rxtx_datahead_ab(struct vnt_usb_send_context *tx_context,
tx_context->pkt_type, &buf->ab);

/* Get Duration and TimeStampOff */
- if (ieee80211_is_pspoll(hdr->frame_control)) {
- __le16 dur = cpu_to_le16(priv->current_aid | BIT(14) | BIT(15));
-
- buf->duration = dur;
+ if (ieee80211_is_nullfunc(hdr->frame_control)) {
+ buf->duration = hdr->duration_id;
} else {
buf->duration = vnt_get_duration_le(priv, tx_context->pkt_type,
need_ack);
@@ -825,10 +821,14 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
if (info->band == NL80211_BAND_5GHZ) {
pkt_type = PK_TYPE_11A;
} else {
- if (tx_rate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
- pkt_type = PK_TYPE_11GB;
- else
- pkt_type = PK_TYPE_11GA;
+ if (tx_rate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+ if (priv->basic_rates & VNT_B_RATES)
+ pkt_type = PK_TYPE_11GB;
+ else
+ pkt_type = PK_TYPE_11GA;
+ } else {
+ pkt_type = PK_TYPE_11A;
+ }
}
} else {
pkt_type = PK_TYPE_11B;
diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c
index c4aa9e7e7003..be89a0ee44bf 100644
--- a/drivers/staging/wlan-ng/prism2mgmt.c
+++ b/drivers/staging/wlan-ng/prism2mgmt.c
@@ -945,7 +945,7 @@ int prism2mgmt_flashdl_state(struct wlandevice *wlandev, void *msgp)
}
}

- return 0;
+ return result;
}

/*----------------------------------------------------------------
diff --git a/drivers/tee/optee/Kconfig b/drivers/tee/optee/Kconfig
index 0126de898036..108600c6eb56 100644
--- a/drivers/tee/optee/Kconfig
+++ b/drivers/tee/optee/Kconfig
@@ -2,6 +2,7 @@
config OPTEE
tristate "OP-TEE"
depends on HAVE_ARM_SMCCC
+ depends on MMU
help
This implements the OP-TEE Trusted Execution Environment (TEE)
driver.
diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c
index a23c7da42ea8..7bbcae75e651 100644
--- a/drivers/tty/serial/8250/8250_bcm2835aux.c
+++ b/drivers/tty/serial/8250/8250_bcm2835aux.c
@@ -119,7 +119,7 @@ static int bcm2835aux_serial_remove(struct platform_device *pdev)
{
struct bcm2835aux_data *data = platform_get_drvdata(pdev);

- serial8250_unregister_port(data->uart.port.line);
+ serial8250_unregister_port(data->line);
clk_disable_unprepare(data->clk);

return 0;
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index a497b878c3e2..021899c58028 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1031,6 +1031,9 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc)
/* do nothing */
break;
}
+
+ /* de-assert DRVVBUS for HOST and OTG mode */
+ dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE);
}

static void dwc3_get_properties(struct dwc3 *dwc)
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index f9734a96d516..a3e3b4703f38 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -49,9 +49,10 @@ static int buffer_size;
static int xbof = -1;

static int ir_startup (struct usb_serial *serial);
-static int ir_open(struct tty_struct *tty, struct usb_serial_port *port);
-static int ir_prepare_write_buffer(struct usb_serial_port *port,
- void *dest, size_t size);
+static int ir_write(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *buf, int count);
+static int ir_write_room(struct tty_struct *tty);
+static void ir_write_bulk_callback(struct urb *urb);
static void ir_process_read_urb(struct urb *urb);
static void ir_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios);
@@ -81,8 +82,9 @@ static struct usb_serial_driver ir_device = {
.num_ports = 1,
.set_termios = ir_set_termios,
.attach = ir_startup,
- .open = ir_open,
- .prepare_write_buffer = ir_prepare_write_buffer,
+ .write = ir_write,
+ .write_room = ir_write_room,
+ .write_bulk_callback = ir_write_bulk_callback,
.process_read_urb = ir_process_read_urb,
};

@@ -199,6 +201,9 @@ static int ir_startup(struct usb_serial *serial)
struct usb_irda_cs_descriptor *irda_desc;
int rates;

+ if (serial->num_bulk_in < 1 || serial->num_bulk_out < 1)
+ return -ENODEV;
+
irda_desc = irda_usb_find_class_desc(serial, 0);
if (!irda_desc) {
dev_err(&serial->dev->dev,
@@ -255,35 +260,102 @@ static int ir_startup(struct usb_serial *serial)
return 0;
}

-static int ir_open(struct tty_struct *tty, struct usb_serial_port *port)
+static int ir_write(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *buf, int count)
{
- int i;
+ struct urb *urb = NULL;
+ unsigned long flags;
+ int ret;

- for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i)
- port->write_urbs[i]->transfer_flags = URB_ZERO_PACKET;
+ if (port->bulk_out_size == 0)
+ return -EINVAL;

- /* Start reading from the device */
- return usb_serial_generic_open(tty, port);
-}
+ if (count == 0)
+ return 0;

-static int ir_prepare_write_buffer(struct usb_serial_port *port,
- void *dest, size_t size)
-{
- unsigned char *buf = dest;
- int count;
+ count = min(count, port->bulk_out_size - 1);
+
+ spin_lock_irqsave(&port->lock, flags);
+ if (__test_and_clear_bit(0, &port->write_urbs_free)) {
+ urb = port->write_urbs[0];
+ port->tx_bytes += count;
+ }
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ if (!urb)
+ return 0;

/*
* The first byte of the packet we send to the device contains an
- * inbound header which indicates an additional number of BOFs and
+ * outbound header which indicates an additional number of BOFs and
* a baud rate change.
*
* See section 5.4.2.2 of the USB IrDA spec.
*/
- *buf = ir_xbof | ir_baud;
+ *(u8 *)urb->transfer_buffer = ir_xbof | ir_baud;
+
+ memcpy(urb->transfer_buffer + 1, buf, count);
+
+ urb->transfer_buffer_length = count + 1;
+ urb->transfer_flags = URB_ZERO_PACKET;
+
+ ret = usb_submit_urb(urb, GFP_ATOMIC);
+ if (ret) {
+ dev_err(&port->dev, "failed to submit write urb: %d\n", ret);
+
+ spin_lock_irqsave(&port->lock, flags);
+ __set_bit(0, &port->write_urbs_free);
+ port->tx_bytes -= count;
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ return ret;
+ }
+
+ return count;
+}
+
+static void ir_write_bulk_callback(struct urb *urb)
+{
+ struct usb_serial_port *port = urb->context;
+ int status = urb->status;
+ unsigned long flags;
+
+ spin_lock_irqsave(&port->lock, flags);
+ __set_bit(0, &port->write_urbs_free);
+ port->tx_bytes -= urb->transfer_buffer_length - 1;
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ switch (status) {
+ case 0:
+ break;
+ case -ENOENT:
+ case -ECONNRESET:
+ case -ESHUTDOWN:
+ dev_dbg(&port->dev, "write urb stopped: %d\n", status);
+ return;
+ case -EPIPE:
+ dev_err(&port->dev, "write urb stopped: %d\n", status);
+ return;
+ default:
+ dev_err(&port->dev, "nonzero write-urb status: %d\n", status);
+ break;
+ }
+
+ usb_serial_port_softint(port);
+}
+
+static int ir_write_room(struct tty_struct *tty)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ int count = 0;
+
+ if (port->bulk_out_size == 0)
+ return 0;
+
+ if (test_bit(0, &port->write_urbs_free))
+ count = port->bulk_out_size - 1;

- count = kfifo_out_locked(&port->write_fifo, buf + 1, size - 1,
- &port->lock);
- return count + 1;
+ return count;
}

static void ir_process_read_urb(struct urb *urb)
@@ -336,34 +408,34 @@ static void ir_set_termios(struct tty_struct *tty,

switch (baud) {
case 2400:
- ir_baud = USB_IRDA_BR_2400;
+ ir_baud = USB_IRDA_LS_2400;
break;
case 9600:
- ir_baud = USB_IRDA_BR_9600;
+ ir_baud = USB_IRDA_LS_9600;
break;
case 19200:
- ir_baud = USB_IRDA_BR_19200;
+ ir_baud = USB_IRDA_LS_19200;
break;
case 38400:
- ir_baud = USB_IRDA_BR_38400;
+ ir_baud = USB_IRDA_LS_38400;
break;
case 57600:
- ir_baud = USB_IRDA_BR_57600;
+ ir_baud = USB_IRDA_LS_57600;
break;
case 115200:
- ir_baud = USB_IRDA_BR_115200;
+ ir_baud = USB_IRDA_LS_115200;
break;
case 576000:
- ir_baud = USB_IRDA_BR_576000;
+ ir_baud = USB_IRDA_LS_576000;
break;
case 1152000:
- ir_baud = USB_IRDA_BR_1152000;
+ ir_baud = USB_IRDA_LS_1152000;
break;
case 4000000:
- ir_baud = USB_IRDA_BR_4000000;
+ ir_baud = USB_IRDA_LS_4000000;
break;
default:
- ir_baud = USB_IRDA_BR_9600;
+ ir_baud = USB_IRDA_LS_9600;
baud = 9600;
}

diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index f15aa47c54a9..0eb8c67ee138 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -163,12 +163,15 @@ UNUSUAL_DEV(0x2537, 0x1068, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_IGNORE_UAS),

-/* Reported-by: Takeo Nakayama <javhera@xxxxxxx> */
+/*
+ * Initially Reported-by: Takeo Nakayama <javhera@xxxxxxx>
+ * UAS Ignore Reported by Steven Ellis <sellis@xxxxxxxxxx>
+ */
UNUSUAL_DEV(0x357d, 0x7788, 0x0000, 0x9999,
"JMicron",
"JMS566",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
- US_FL_NO_REPORT_OPCODES),
+ US_FL_NO_REPORT_OPCODES | US_FL_IGNORE_UAS),

/* Reported-by: Hans de Goede <hdegoede@xxxxxxxxxx> */
UNUSUAL_DEV(0x4971, 0x1012, 0x0000, 0x9999,
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index f55328a31629..fa15a683ae2d 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -563,6 +563,7 @@ config MAX63XX_WATCHDOG
config MAX77620_WATCHDOG
tristate "Maxim Max77620 Watchdog Timer"
depends on MFD_MAX77620 || COMPILE_TEST
+ select WATCHDOG_CORE
help
This is the driver for the Max77620 watchdog timer.
Say 'Y' here to enable the watchdog timer support for
diff --git a/drivers/watchdog/rn5t618_wdt.c b/drivers/watchdog/rn5t618_wdt.c
index e60f55702ab7..d2e79cf70e77 100644
--- a/drivers/watchdog/rn5t618_wdt.c
+++ b/drivers/watchdog/rn5t618_wdt.c
@@ -193,6 +193,7 @@ static struct platform_driver rn5t618_wdt_driver = {

module_platform_driver(rn5t618_wdt_driver);

+MODULE_ALIAS("platform:rn5t618-wdt");
MODULE_AUTHOR("Beniamino Galvani <b.galvani@xxxxxxxxx>");
MODULE_DESCRIPTION("RN5T618 watchdog driver");
MODULE_LICENSE("GPL v2");
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 204d585e012a..3ab79fa00dc7 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2114,7 +2114,15 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
*/
thresh = 4 * 1024 * 1024;

- if (!mixed && total_free_meta - thresh < block_rsv->size)
+ /*
+ * We only want to claim there's no available space if we can no longer
+ * allocate chunks for our metadata profile and our global reserve will
+ * not fit in the free metadata space. If we aren't ->full then we
+ * still can allocate chunks and thus are fine using the currently
+ * calculated f_bavail.
+ */
+ if (!mixed && block_rsv->space_info->full &&
+ total_free_meta - thresh < block_rsv->size)
buf->f_bavail = 0;

buf->f_type = BTRFS_SUPER_MAGIC;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 1a0a56647974..93d8aa6ef661 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1782,6 +1782,13 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
arg = JBD2_DEFAULT_MAX_COMMIT_AGE;
sbi->s_commit_interval = HZ * arg;
} else if (token == Opt_debug_want_extra_isize) {
+ if ((arg & 1) ||
+ (arg < 4) ||
+ (arg > (sbi->s_inode_size - EXT4_GOOD_OLD_INODE_SIZE))) {
+ ext4_msg(sb, KERN_ERR,
+ "Invalid want_extra_isize %d", arg);
+ return -1;
+ }
sbi->s_want_extra_isize = arg;
} else if (token == Opt_max_batch_time) {
sbi->s_max_batch_time = arg;
@@ -3454,40 +3461,6 @@ int ext4_calculate_overhead(struct super_block *sb)
return 0;
}

-static void ext4_clamp_want_extra_isize(struct super_block *sb)
-{
- struct ext4_sb_info *sbi = EXT4_SB(sb);
- struct ext4_super_block *es = sbi->s_es;
- unsigned def_extra_isize = sizeof(struct ext4_inode) -
- EXT4_GOOD_OLD_INODE_SIZE;
-
- if (sbi->s_inode_size == EXT4_GOOD_OLD_INODE_SIZE) {
- sbi->s_want_extra_isize = 0;
- return;
- }
- if (sbi->s_want_extra_isize < 4) {
- sbi->s_want_extra_isize = def_extra_isize;
- if (ext4_has_feature_extra_isize(sb)) {
- if (sbi->s_want_extra_isize <
- le16_to_cpu(es->s_want_extra_isize))
- sbi->s_want_extra_isize =
- le16_to_cpu(es->s_want_extra_isize);
- if (sbi->s_want_extra_isize <
- le16_to_cpu(es->s_min_extra_isize))
- sbi->s_want_extra_isize =
- le16_to_cpu(es->s_min_extra_isize);
- }
- }
- /* Check if enough inode space is available */
- if ((sbi->s_want_extra_isize > sbi->s_inode_size) ||
- (EXT4_GOOD_OLD_INODE_SIZE + sbi->s_want_extra_isize >
- sbi->s_inode_size)) {
- sbi->s_want_extra_isize = def_extra_isize;
- ext4_msg(sb, KERN_INFO,
- "required extra inode space not available");
- }
-}
-
static void ext4_set_resv_clusters(struct super_block *sb)
{
ext4_fsblk_t resv_clusters;
@@ -3695,6 +3668,65 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
*/
sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT;

+ if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV) {
+ sbi->s_inode_size = EXT4_GOOD_OLD_INODE_SIZE;
+ sbi->s_first_ino = EXT4_GOOD_OLD_FIRST_INO;
+ } else {
+ sbi->s_inode_size = le16_to_cpu(es->s_inode_size);
+ sbi->s_first_ino = le32_to_cpu(es->s_first_ino);
+ if (sbi->s_first_ino < EXT4_GOOD_OLD_FIRST_INO) {
+ ext4_msg(sb, KERN_ERR, "invalid first ino: %u",
+ sbi->s_first_ino);
+ goto failed_mount;
+ }
+ if ((sbi->s_inode_size < EXT4_GOOD_OLD_INODE_SIZE) ||
+ (!is_power_of_2(sbi->s_inode_size)) ||
+ (sbi->s_inode_size > blocksize)) {
+ ext4_msg(sb, KERN_ERR,
+ "unsupported inode size: %d",
+ sbi->s_inode_size);
+ goto failed_mount;
+ }
+ /*
+ * i_atime_extra is the last extra field available for
+ * [acm]times in struct ext4_inode. Checking for that
+ * field should suffice to ensure we have extra space
+ * for all three.
+ */
+ if (sbi->s_inode_size >= offsetof(struct ext4_inode, i_atime_extra) +
+ sizeof(((struct ext4_inode *)0)->i_atime_extra)) {
+ sb->s_time_gran = 1;
+ } else {
+ sb->s_time_gran = NSEC_PER_SEC;
+ }
+ }
+ if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE) {
+ sbi->s_want_extra_isize = sizeof(struct ext4_inode) -
+ EXT4_GOOD_OLD_INODE_SIZE;
+ if (ext4_has_feature_extra_isize(sb)) {
+ unsigned v, max = (sbi->s_inode_size -
+ EXT4_GOOD_OLD_INODE_SIZE);
+
+ v = le16_to_cpu(es->s_want_extra_isize);
+ if (v > max) {
+ ext4_msg(sb, KERN_ERR,
+ "bad s_want_extra_isize: %d", v);
+ goto failed_mount;
+ }
+ if (sbi->s_want_extra_isize < v)
+ sbi->s_want_extra_isize = v;
+
+ v = le16_to_cpu(es->s_min_extra_isize);
+ if (v > max) {
+ ext4_msg(sb, KERN_ERR,
+ "bad s_min_extra_isize: %d", v);
+ goto failed_mount;
+ }
+ if (sbi->s_want_extra_isize < v)
+ sbi->s_want_extra_isize = v;
+ }
+ }
+
if (sbi->s_es->s_mount_opts[0]) {
char *s_mount_opts = kstrndup(sbi->s_es->s_mount_opts,
sizeof(sbi->s_es->s_mount_opts),
@@ -3893,29 +3925,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
has_huge_files);
sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits, has_huge_files);

- if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV) {
- sbi->s_inode_size = EXT4_GOOD_OLD_INODE_SIZE;
- sbi->s_first_ino = EXT4_GOOD_OLD_FIRST_INO;
- } else {
- sbi->s_inode_size = le16_to_cpu(es->s_inode_size);
- sbi->s_first_ino = le32_to_cpu(es->s_first_ino);
- if (sbi->s_first_ino < EXT4_GOOD_OLD_FIRST_INO) {
- ext4_msg(sb, KERN_ERR, "invalid first ino: %u",
- sbi->s_first_ino);
- goto failed_mount;
- }
- if ((sbi->s_inode_size < EXT4_GOOD_OLD_INODE_SIZE) ||
- (!is_power_of_2(sbi->s_inode_size)) ||
- (sbi->s_inode_size > blocksize)) {
- ext4_msg(sb, KERN_ERR,
- "unsupported inode size: %d",
- sbi->s_inode_size);
- goto failed_mount;
- }
- if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE)
- sb->s_time_gran = 1 << (EXT4_EPOCH_BITS - 2);
- }
-
sbi->s_desc_size = le16_to_cpu(es->s_desc_size);
if (ext4_has_feature_64bit(sb)) {
if (sbi->s_desc_size < EXT4_MIN_DESC_SIZE_64BIT ||
@@ -4354,8 +4363,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
if (ext4_setup_super(sb, es, sb_rdonly(sb)))
sb->s_flags |= MS_RDONLY;

- ext4_clamp_want_extra_isize(sb);
-
ext4_set_resv_clusters(sb);

err = ext4_setup_system_zone(sb);
@@ -5139,8 +5146,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
}

- ext4_clamp_want_extra_isize(sb);
-
if ((old_opts.s_mount_opt & EXT4_MOUNT_JOURNAL_CHECKSUM) ^
test_opt(sb, JOURNAL_CHECKSUM)) {
ext4_msg(sb, KERN_ERR, "changing journal_checksum "
diff --git a/fs/namei.c b/fs/namei.c
index d648d6d2b635..f421f8d80f4d 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3266,8 +3266,8 @@ static int do_last(struct nameidata *nd,
int *opened)
{
struct dentry *dir = nd->path.dentry;
- kuid_t dir_uid = dir->d_inode->i_uid;
- umode_t dir_mode = dir->d_inode->i_mode;
+ kuid_t dir_uid = nd->inode->i_uid;
+ umode_t dir_mode = nd->inode->i_mode;
int open_flag = op->open_flag;
bool will_truncate = (open_flag & O_TRUNC) != 0;
bool got_write = false;
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index cc0b22c72e83..5208d85dd30c 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -629,6 +629,7 @@ static void reiserfs_put_super(struct super_block *s)
reiserfs_write_unlock(s);
mutex_destroy(&REISERFS_SB(s)->lock);
destroy_workqueue(REISERFS_SB(s)->commit_wq);
+ kfree(REISERFS_SB(s)->s_jdev);
kfree(s->s_fs_info);
s->s_fs_info = NULL;
}
@@ -2243,6 +2244,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
kfree(qf_names[j]);
}
#endif
+ kfree(sbi->s_jdev);
kfree(sbi);

s->s_fs_info = NULL;
diff --git a/include/linux/usb/irda.h b/include/linux/usb/irda.h
index 396d2b043e64..556a801efce3 100644
--- a/include/linux/usb/irda.h
+++ b/include/linux/usb/irda.h
@@ -119,11 +119,22 @@ struct usb_irda_cs_descriptor {
* 6 - 115200 bps
* 7 - 576000 bps
* 8 - 1.152 Mbps
- * 9 - 5 mbps
+ * 9 - 4 Mbps
* 10..15 - Reserved
*/
#define USB_IRDA_STATUS_LINK_SPEED 0x0f

+#define USB_IRDA_LS_NO_CHANGE 0
+#define USB_IRDA_LS_2400 1
+#define USB_IRDA_LS_9600 2
+#define USB_IRDA_LS_19200 3
+#define USB_IRDA_LS_38400 4
+#define USB_IRDA_LS_57600 5
+#define USB_IRDA_LS_115200 6
+#define USB_IRDA_LS_576000 7
+#define USB_IRDA_LS_1152000 8
+#define USB_IRDA_LS_4000000 9
+
/* The following is a 4-bit value used only for
* outbound header:
*
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index a4c8e9d7dd06..030eea38f258 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -2843,6 +2843,9 @@ struct cfg80211_pmk_conf {
*
* @start_radar_detection: Start radar detection in the driver.
*
+ * @end_cac: End running CAC, probably because a related CAC
+ * was finished on another phy.
+ *
* @update_ft_ies: Provide updated Fast BSS Transition information to the
* driver. If the SME is in the driver/firmware, this information can be
* used in building Authentication and Reassociation Request frames.
@@ -3148,6 +3151,8 @@ struct cfg80211_ops {
struct net_device *dev,
struct cfg80211_chan_def *chandef,
u32 cac_time_ms);
+ void (*end_cac)(struct wiphy *wiphy,
+ struct net_device *dev);
int (*update_ft_ies)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_update_ft_ies_params *ftie);
int (*crit_proto_start)(struct wiphy *wiphy,
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 2c57030f54aa..829943aad7be 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -2884,8 +2884,6 @@ static int cgroup_apply_control_enable(struct cgroup *cgrp)
for_each_subsys(ss, ssid) {
struct cgroup_subsys_state *css = cgroup_css(dsct, ss);

- WARN_ON_ONCE(css && percpu_ref_is_dying(&css->refcnt));
-
if (!(cgroup_ss_mask(dsct) & (1 << ss->id)))
continue;

@@ -2895,6 +2893,8 @@ static int cgroup_apply_control_enable(struct cgroup *cgrp)
return PTR_ERR(css);
}

+ WARN_ON_ONCE(percpu_ref_is_dying(&css->refcnt));
+
if (css_visible(css)) {
ret = css_populate_dir(css);
if (ret)
@@ -2930,11 +2930,11 @@ static void cgroup_apply_control_disable(struct cgroup *cgrp)
for_each_subsys(ss, ssid) {
struct cgroup_subsys_state *css = cgroup_css(dsct, ss);

- WARN_ON_ONCE(css && percpu_ref_is_dying(&css->refcnt));
-
if (!css)
continue;

+ WARN_ON_ONCE(percpu_ref_is_dying(&css->refcnt));
+
if (css->parent &&
!(cgroup_ss_mask(dsct) & (1 << ss->id))) {
kill_css(css);
@@ -3221,7 +3221,8 @@ static ssize_t cgroup_type_write(struct kernfs_open_file *of, char *buf,
if (strcmp(strstrip(buf), "threaded"))
return -EINVAL;

- cgrp = cgroup_kn_lock_live(of->kn, false);
+ /* drain dying csses before we re-apply (threaded) subtree control */
+ cgrp = cgroup_kn_lock_live(of->kn, true);
if (!cgrp)
return -ENOENT;

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index a37cfa88669e..1b34f2e35951 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2724,6 +2724,9 @@ int mpol_parse_str(char *str, struct mempolicy **mpol)
char *flags = strchr(str, '=');
int err = 1;

+ if (flags)
+ *flags++ = '\0'; /* terminate mode string */
+
if (nodelist) {
/* NUL-terminate mode or flags string */
*nodelist++ = '\0';
@@ -2734,9 +2737,6 @@ int mpol_parse_str(char *str, struct mempolicy **mpol)
} else
nodes_clear(nodes);

- if (flags)
- *flags++ = '\0'; /* terminate mode string */
-
for (mode = 0; mode < MPOL_MAX; mode++) {
if (!strcmp(str, policy_modes[mode])) {
break;
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 4a05235929b9..93093d7c3824 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -826,6 +826,8 @@ static int hci_sock_release(struct socket *sock)
if (!sk)
return 0;

+ lock_sock(sk);
+
switch (hci_pi(sk)->channel) {
case HCI_CHANNEL_MONITOR:
atomic_dec(&monitor_promisc);
@@ -873,6 +875,7 @@ static int hci_sock_release(struct socket *sock)
skb_queue_purge(&sk->sk_receive_queue);
skb_queue_purge(&sk->sk_write_queue);

+ release_sock(sk);
sock_put(sk);
return 0;
}
diff --git a/net/core/utils.c b/net/core/utils.c
index 93066bd0305a..b1823e76b877 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -419,6 +419,23 @@ void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
}
EXPORT_SYMBOL(inet_proto_csum_replace4);

+/**
+ * inet_proto_csum_replace16 - update layer 4 header checksum field
+ * @sum: Layer 4 header checksum field
+ * @skb: sk_buff for the packet
+ * @from: old IPv6 address
+ * @to: new IPv6 address
+ * @pseudohdr: True if layer 4 header checksum includes pseudoheader
+ *
+ * Update layer 4 header as per the update in IPv6 src/dst address.
+ *
+ * There is no need to update skb->csum in this function, because update in two
+ * fields a.) IPv6 src/dst address and b.) L4 header checksum cancels each other
+ * for skb->csum calculation. Whereas inet_proto_csum_replace4 function needs to
+ * update skb->csum, because update in 3 fields a.) IPv4 src/dst address,
+ * b.) IPv4 Header checksum and c.) L4 header checksum results in same diff as
+ * L4 Header checksum for skb->csum calculation.
+ */
void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
const __be32 *from, const __be32 *to,
bool pseudohdr)
@@ -430,9 +447,6 @@ void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
if (skb->ip_summed != CHECKSUM_PARTIAL) {
*sum = csum_fold(csum_partial(diff, sizeof(diff),
~csum_unfold(*sum)));
- if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr)
- skb->csum = ~csum_partial(diff, sizeof(diff),
- ~skb->csum);
} else if (pseudohdr)
*sum = ~csum_fold(csum_partial(diff, sizeof(diff),
csum_unfold(*sum)));
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 08c15dd42d93..59384ffe89f7 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -208,8 +208,17 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
int mtu;

if (!dst) {
- dev->stats.tx_carrier_errors++;
- goto tx_error_icmp;
+ struct rtable *rt;
+
+ fl->u.ip4.flowi4_oif = dev->ifindex;
+ fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+ rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
+ if (IS_ERR(rt)) {
+ dev->stats.tx_carrier_errors++;
+ goto tx_error_icmp;
+ }
+ dst = &rt->dst;
+ skb_dst_set(skb, dst);
}

dst_hold(dst);
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 557fe3880a3f..396a0f61f5f8 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -453,8 +453,17 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
int err = -1;
int mtu;

- if (!dst)
- goto tx_err_link_failure;
+ if (!dst) {
+ fl->u.ip6.flowi6_oif = dev->ifindex;
+ fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+ dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
+ if (dst->error) {
+ dst_release(dst);
+ dst = NULL;
+ goto tx_err_link_failure;
+ }
+ skb_dst_set(skb, dst);
+ }

dst_hold(dst);
dst = xfrm_lookup(t->net, dst, fl, NULL, 0);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index d437007b15bb..b1484b8316e8 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2800,6 +2800,28 @@ static int ieee80211_start_radar_detection(struct wiphy *wiphy,
return err;
}

+static void ieee80211_end_cac(struct wiphy *wiphy,
+ struct net_device *dev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+
+ mutex_lock(&local->mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ /* it might be waiting for the local->mtx, but then
+ * by the time it gets it, sdata->wdev.cac_started
+ * will no longer be true
+ */
+ cancel_delayed_work(&sdata->dfs_cac_timer_work);
+
+ if (sdata->wdev.cac_started) {
+ ieee80211_vif_release_channel(sdata);
+ sdata->wdev.cac_started = false;
+ }
+ }
+ mutex_unlock(&local->mtx);
+}
+
static struct cfg80211_beacon_data *
cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
{
@@ -3730,6 +3752,7 @@ const struct cfg80211_ops mac80211_config_ops = {
#endif
.get_channel = ieee80211_cfg_get_channel,
.start_radar_detection = ieee80211_start_radar_detection,
+ .end_cac = ieee80211_end_cac,
.channel_switch = ieee80211_channel_switch,
.set_qos_map = ieee80211_set_qos_map,
.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index fab0764c315f..994dde6e5f9d 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -326,6 +326,9 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
unsigned long fail_avg =
ewma_mesh_fail_avg_read(&sta->mesh->fail_avg);

+ if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
+ return MAX_METRIC;
+
/* Try to get rate based on HW/SW RC algorithm.
* Rate is returned in units of Kbps, correct this
* to comply with airtime calculation units
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index b3622823bad2..ebd66e8f46b3 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -266,9 +266,21 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
if ((keyid >> 6) != key->conf.keyidx)
return TKIP_DECRYPT_INVALID_KEYIDX;

- if (rx_ctx->ctx.state != TKIP_STATE_NOT_INIT &&
- (iv32 < rx_ctx->iv32 ||
- (iv32 == rx_ctx->iv32 && iv16 <= rx_ctx->iv16)))
+ /* Reject replays if the received TSC is smaller than or equal to the
+ * last received value in a valid message, but with an exception for
+ * the case where a new key has been set and no valid frame using that
+ * key has yet received and the local RSC was initialized to 0. This
+ * exception allows the very first frame sent by the transmitter to be
+ * accepted even if that transmitter were to use TSC 0 (IEEE 802.11
+ * described TSC to be initialized to 1 whenever a new key is taken into
+ * use).
+ */
+ if (iv32 < rx_ctx->iv32 ||
+ (iv32 == rx_ctx->iv32 &&
+ (iv16 < rx_ctx->iv16 ||
+ (iv16 == rx_ctx->iv16 &&
+ (rx_ctx->iv32 || rx_ctx->iv16 ||
+ rx_ctx->ctx.state != TKIP_STATE_NOT_INIT)))))
return TKIP_DECRYPT_REPLAY;

if (only_iv) {
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 60f2354c1789..a48dca26f178 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -242,6 +242,9 @@ static int tcf_em_validate(struct tcf_proto *tp,
goto errout;

if (em->ops->change) {
+ err = -EINVAL;
+ if (em_hdr->flags & TCF_EM_SIMPLE)
+ goto errout;
err = em->ops->change(net, data, data_len, em);
if (err < 0)
goto errout;
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 249919bdfc64..4077bb3af440 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -1143,6 +1143,16 @@ rdev_start_radar_detection(struct cfg80211_registered_device *rdev,
return ret;
}

+static inline void
+rdev_end_cac(struct cfg80211_registered_device *rdev,
+ struct net_device *dev)
+{
+ trace_rdev_end_cac(&rdev->wiphy, dev);
+ if (rdev->ops->end_cac)
+ rdev->ops->end_cac(&rdev->wiphy, dev);
+ trace_rdev_return_void(&rdev->wiphy);
+}
+
static inline int
rdev_set_mcast_rate(struct cfg80211_registered_device *rdev,
struct net_device *dev,
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 804eac073b6b..a520f433d476 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1718,14 +1718,15 @@ static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator)

static void handle_channel_custom(struct wiphy *wiphy,
struct ieee80211_channel *chan,
- const struct ieee80211_regdomain *regd)
+ const struct ieee80211_regdomain *regd,
+ u32 min_bw)
{
u32 bw_flags = 0;
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
u32 bw;

- for (bw = MHZ_TO_KHZ(20); bw >= MHZ_TO_KHZ(5); bw = bw / 2) {
+ for (bw = MHZ_TO_KHZ(20); bw >= min_bw; bw = bw / 2) {
reg_rule = freq_reg_info_regd(MHZ_TO_KHZ(chan->center_freq),
regd, bw);
if (!IS_ERR(reg_rule))
@@ -1781,8 +1782,14 @@ static void handle_band_custom(struct wiphy *wiphy,
if (!sband)
return;

+ /*
+ * We currently assume that you always want at least 20 MHz,
+ * otherwise channel 12 might get enabled if this rule is
+ * compatible to US, which permits 2402 - 2472 MHz.
+ */
for (i = 0; i < sband->n_channels; i++)
- handle_channel_custom(wiphy, &sband->channels[i], regd);
+ handle_channel_custom(wiphy, &sband->channels[i], regd,
+ MHZ_TO_KHZ(20));
}

/* Used by drivers prior to wiphy registration */
@@ -3296,6 +3303,25 @@ bool regulatory_pre_cac_allowed(struct wiphy *wiphy)
return pre_cac_allowed;
}

+static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
+{
+ struct wireless_dev *wdev;
+ /* If we finished CAC or received radar, we should end any
+ * CAC running on the same channels.
+ * the check !cfg80211_chandef_dfs_usable contain 2 options:
+ * either all channels are available - those the CAC_FINISHED
+ * event has effected another wdev state, or there is a channel
+ * in unavailable state in wdev chandef - those the RADAR_DETECTED
+ * event has effected another wdev state.
+ * In both cases we should end the CAC on the wdev.
+ */
+ list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
+ if (wdev->cac_started &&
+ !cfg80211_chandef_dfs_usable(&rdev->wiphy, &wdev->chandef))
+ rdev_end_cac(rdev, wdev->netdev);
+ }
+}
+
void regulatory_propagate_dfs_state(struct wiphy *wiphy,
struct cfg80211_chan_def *chandef,
enum nl80211_dfs_state dfs_state,
@@ -3322,8 +3348,10 @@ void regulatory_propagate_dfs_state(struct wiphy *wiphy,
cfg80211_set_dfs_state(&rdev->wiphy, chandef, dfs_state);

if (event == NL80211_RADAR_DETECTED ||
- event == NL80211_RADAR_CAC_FINISHED)
+ event == NL80211_RADAR_CAC_FINISHED) {
cfg80211_sched_dfs_chan_update(rdev);
+ cfg80211_check_and_end_cac(rdev);
+ }

nl80211_radar_notify(rdev, chandef, event, NULL, GFP_KERNEL);
}
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index f3353fe5b35b..cd0a1c7c185d 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -607,6 +607,11 @@ DEFINE_EVENT(wiphy_netdev_evt, rdev_flush_pmksa,
TP_ARGS(wiphy, netdev)
);

+DEFINE_EVENT(wiphy_netdev_evt, rdev_end_cac,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev),
+ TP_ARGS(wiphy, netdev)
+);
+
DECLARE_EVENT_CLASS(station_add_change,
TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *mac,
struct station_parameters *params),
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 6cdb054484d6..5236a3c2c0cc 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -659,7 +659,8 @@ struct iw_statistics *get_wireless_stats(struct net_device *dev)
return NULL;
}

-static int iw_handler_get_iwstats(struct net_device * dev,
+/* noinline to avoid a bogus warning with -O3 */
+static noinline int iw_handler_get_iwstats(struct net_device * dev,
struct iw_request_info * info,
union iwreq_data * wrqu,
char * extra)
diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c
index d8b6936e544e..908f13623f8c 100644
--- a/sound/soc/sti/uniperif_player.c
+++ b/sound/soc/sti/uniperif_player.c
@@ -226,7 +226,6 @@ static void uni_player_set_channel_status(struct uniperif *player,
* sampling frequency. If no sample rate is already specified, then
* set one.
*/
- mutex_lock(&player->ctrl_lock);
if (runtime) {
switch (runtime->rate) {
case 22050:
@@ -303,7 +302,6 @@ static void uni_player_set_channel_status(struct uniperif *player,
player->stream_settings.iec958.status[3 + (n * 4)] << 24;
SET_UNIPERIF_CHANNEL_STA_REGN(player, n, status);
}
- mutex_unlock(&player->ctrl_lock);

/* Update the channel status */
if (player->ver < SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0)
@@ -365,8 +363,10 @@ static int uni_player_prepare_iec958(struct uniperif *player,

SET_UNIPERIF_CTRL_ZERO_STUFF_HW(player);

+ mutex_lock(&player->ctrl_lock);
/* Update the channel status */
uni_player_set_channel_status(player, runtime);
+ mutex_unlock(&player->ctrl_lock);

/* Clear the user validity user bits */
SET_UNIPERIF_USER_VALIDITY_VALIDITY_LR(player, 0);
@@ -598,7 +598,6 @@ static int uni_player_ctl_iec958_put(struct snd_kcontrol *kcontrol,
iec958->status[1] = ucontrol->value.iec958.status[1];
iec958->status[2] = ucontrol->value.iec958.status[2];
iec958->status[3] = ucontrol->value.iec958.status[3];
- mutex_unlock(&player->ctrl_lock);

spin_lock_irqsave(&player->irq_lock, flags);
if (player->substream && player->substream->runtime)
@@ -608,6 +607,8 @@ static int uni_player_ctl_iec958_put(struct snd_kcontrol *kcontrol,
uni_player_set_channel_status(player, NULL);

spin_unlock_irqrestore(&player->irq_lock, flags);
+ mutex_unlock(&player->ctrl_lock);
+
return 0;
}

diff --git a/tools/include/linux/string.h b/tools/include/linux/string.h
index 6c3e2cc274c5..0ec646f127dc 100644
--- a/tools/include/linux/string.h
+++ b/tools/include/linux/string.h
@@ -14,7 +14,15 @@ int strtobool(const char *s, bool *res);
* However uClibc headers also define __GLIBC__ hence the hack below
*/
#if defined(__GLIBC__) && !defined(__UCLIBC__)
+// pragma diagnostic was introduced in gcc 4.6
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wredundant-decls"
+#endif
extern size_t strlcpy(char *dest, const char *src, size_t size);
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
+#pragma GCC diagnostic pop
+#endif
#endif

char *str_error_r(int errnum, char *buf, size_t buflen);
diff --git a/tools/lib/string.c b/tools/lib/string.c
index 93b3d4b6feac..ee0afcbdd696 100644
--- a/tools/lib/string.c
+++ b/tools/lib/string.c
@@ -95,6 +95,10 @@ int strtobool(const char *s, bool *res)
* If libc has strlcpy() then that version will override this
* implementation:
*/
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wignored-attributes"
+#endif
size_t __weak strlcpy(char *dest, const char *src, size_t size)
{
size_t ret = strlen(src);
@@ -106,3 +110,6 @@ size_t __weak strlcpy(char *dest, const char *src, size_t size)
}
return ret;
}
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index bec7a2f1fb4d..264d458bfe2a 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -528,8 +528,8 @@ tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
{
struct c2c_hist_entry *c2c_left;
struct c2c_hist_entry *c2c_right;
- unsigned int tot_hitm_left;
- unsigned int tot_hitm_right;
+ uint64_t tot_hitm_left;
+ uint64_t tot_hitm_right;

c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
@@ -562,7 +562,8 @@ __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
\
c2c_left = container_of(left, struct c2c_hist_entry, he); \
c2c_right = container_of(right, struct c2c_hist_entry, he); \
- return c2c_left->stats.__f - c2c_right->stats.__f; \
+ return (uint64_t) c2c_left->stats.__f - \
+ (uint64_t) c2c_right->stats.__f; \
}

#define STAT_FN(__f) \
@@ -615,7 +616,8 @@ ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);

- return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
+ return (uint64_t) llc_miss(&c2c_left->stats) -
+ (uint64_t) llc_miss(&c2c_right->stats);
}

static uint64_t total_records(struct c2c_stats *stats)
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 17b26661b2f6..429c3e140dc3 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -342,10 +342,10 @@ static int report__setup_sample_type(struct report *rep)
PERF_SAMPLE_BRANCH_ANY))
rep->nonany_branch_mode = true;

-#ifndef HAVE_LIBUNWIND_SUPPORT
+#if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT)
if (dwarf_callchain_users) {
- ui__warning("Please install libunwind development packages "
- "during the perf build.\n");
+ ui__warning("Please install libunwind or libdw "
+ "development packages during the perf build.\n");
}
#endif

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