From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.9 commit in: /
Date: Tue, 10 Nov 2020 13:54:47 +0000 (UTC) [thread overview]
Message-ID: <1605016474.a1aa971809f245dc6a0cb3e9c2876d721ae1e082.mpagano@gentoo> (raw)
commit: a1aa971809f245dc6a0cb3e9c2876d721ae1e082
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Tue Nov 10 13:54:34 2020 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Tue Nov 10 13:54:34 2020 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=a1aa9718
Linux patch 4.9.242
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1241_linux-4.9.242.patch | 4089 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 4093 insertions(+)
diff --git a/0000_README b/0000_README
index 66150b0..bee8e2e 100644
--- a/0000_README
+++ b/0000_README
@@ -1007,6 +1007,10 @@ Patch: 1240_linux-4.9.241.patch
From: http://www.kernel.org
Desc: Linux 4.9.241
+Patch: 1241_linux-4.9.242.patch
+From: http://www.kernel.org
+Desc: Linux 4.9.242
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1241_linux-4.9.242.patch b/1241_linux-4.9.242.patch
new file mode 100644
index 0000000..bf9551c
--- /dev/null
+++ b/1241_linux-4.9.242.patch
@@ -0,0 +1,4089 @@
+diff --git a/Makefile b/Makefile
+index c4f3d2ea9b43e..d41de2c1159e7 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 241
++SUBLEVEL = 242
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+
+diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
+index 705a682084232..85d9ea4a0accc 100644
+--- a/arch/arc/kernel/entry.S
++++ b/arch/arc/kernel/entry.S
+@@ -156,6 +156,7 @@ END(EV_Extension)
+ tracesys:
+ ; save EFA in case tracer wants the PC of traced task
+ ; using ERET won't work since next-PC has already committed
++ lr r12, [efa]
+ GET_CURR_TASK_FIELD_PTR TASK_THREAD, r11
+ st r12, [r11, THREAD_FAULT_ADDR] ; thread.fault_address
+
+@@ -198,9 +199,15 @@ tracesys_exit:
+ ; Breakpoint TRAP
+ ; ---------------------------------------------
+ trap_with_param:
+- mov r0, r12 ; EFA in case ptracer/gdb wants stop_pc
++
++ ; stop_pc info by gdb needs this info
++ lr r0, [efa]
+ mov r1, sp
+
++ ; Now that we have read EFA, it is safe to do "fake" rtie
++ ; and get out of CPU exception mode
++ FAKE_RET_FROM_EXCPN
++
+ ; Save callee regs in case gdb wants to have a look
+ ; SP will grow up by size of CALLEE Reg-File
+ ; NOTE: clobbers r12
+@@ -227,10 +234,6 @@ ENTRY(EV_Trap)
+
+ EXCEPTION_PROLOGUE
+
+- lr r12, [efa]
+-
+- FAKE_RET_FROM_EXCPN
+-
+ ;============ TRAP 1 :breakpoints
+ ; Check ECR for trap with arg (PROLOGUE ensures r9 has ECR)
+ bmsk.f 0, r9, 7
+@@ -238,6 +241,9 @@ ENTRY(EV_Trap)
+
+ ;============ TRAP (no param): syscall top level
+
++ ; First return from Exception to pure K mode (Exception/IRQs renabled)
++ FAKE_RET_FROM_EXCPN
++
+ ; If syscall tracing ongoing, invoke pre-post-hooks
+ GET_CURR_THR_INFO_FLAGS r10
+ btst r10, TIF_SYSCALL_TRACE
+diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c
+index b9192a653b7e3..165158735aa6b 100644
+--- a/arch/arc/kernel/stacktrace.c
++++ b/arch/arc/kernel/stacktrace.c
+@@ -113,7 +113,7 @@ arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs,
+ int (*consumer_fn) (unsigned int, void *), void *arg)
+ {
+ #ifdef CONFIG_ARC_DW2_UNWIND
+- int ret = 0;
++ int ret = 0, cnt = 0;
+ unsigned int address;
+ struct unwind_frame_info frame_info;
+
+@@ -133,6 +133,11 @@ arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs,
+ break;
+
+ frame_info.regs.r63 = frame_info.regs.r31;
++
++ if (cnt++ > 128) {
++ printk("unwinder looping too long, aborting !\n");
++ return 0;
++ }
+ }
+
+ return address; /* return the last address it saw */
+diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
+index 56bd9beb6a35c..ae55f5db97f8d 100644
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -601,7 +601,9 @@ config ARCH_S3C24XX
+ select HAVE_S3C_RTC if RTC_CLASS
+ select MULTI_IRQ_HANDLER
+ select NEED_MACH_IO_H
++ select S3C2410_WATCHDOG
+ select SAMSUNG_ATAGS
++ select WATCHDOG
+ help
+ Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
+ and S3C2450 SoCs based systems, such as the Simtec Electronics BAST
+diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi
+index 0c10ba517cd04..798f676041e09 100644
+--- a/arch/arm/boot/dts/s5pv210.dtsi
++++ b/arch/arm/boot/dts/s5pv210.dtsi
+@@ -101,19 +101,16 @@
+ };
+
+ clocks: clock-controller@e0100000 {
+- compatible = "samsung,s5pv210-clock", "simple-bus";
++ compatible = "samsung,s5pv210-clock";
+ reg = <0xe0100000 0x10000>;
+ clock-names = "xxti", "xusbxti";
+ clocks = <&xxti>, <&xusbxti>;
+ #clock-cells = <1>;
+- #address-cells = <1>;
+- #size-cells = <1>;
+- ranges;
++ };
+
+- pmu_syscon: syscon@e0108000 {
+- compatible = "samsung-s5pv210-pmu", "syscon";
+- reg = <0xe0108000 0x8000>;
+- };
++ pmu_syscon: syscon@e0108000 {
++ compatible = "samsung-s5pv210-pmu", "syscon";
++ reg = <0xe0108000 0x8000>;
+ };
+
+ pinctrl0: pinctrl@e0200000 {
+@@ -129,35 +126,28 @@
+ };
+ };
+
+- amba {
+- #address-cells = <1>;
+- #size-cells = <1>;
+- compatible = "simple-bus";
+- ranges;
+-
+- pdma0: dma@e0900000 {
+- compatible = "arm,pl330", "arm,primecell";
+- reg = <0xe0900000 0x1000>;
+- interrupt-parent = <&vic0>;
+- interrupts = <19>;
+- clocks = <&clocks CLK_PDMA0>;
+- clock-names = "apb_pclk";
+- #dma-cells = <1>;
+- #dma-channels = <8>;
+- #dma-requests = <32>;
+- };
++ pdma0: dma@e0900000 {
++ compatible = "arm,pl330", "arm,primecell";
++ reg = <0xe0900000 0x1000>;
++ interrupt-parent = <&vic0>;
++ interrupts = <19>;
++ clocks = <&clocks CLK_PDMA0>;
++ clock-names = "apb_pclk";
++ #dma-cells = <1>;
++ #dma-channels = <8>;
++ #dma-requests = <32>;
++ };
+
+- pdma1: dma@e0a00000 {
+- compatible = "arm,pl330", "arm,primecell";
+- reg = <0xe0a00000 0x1000>;
+- interrupt-parent = <&vic0>;
+- interrupts = <20>;
+- clocks = <&clocks CLK_PDMA1>;
+- clock-names = "apb_pclk";
+- #dma-cells = <1>;
+- #dma-channels = <8>;
+- #dma-requests = <32>;
+- };
++ pdma1: dma@e0a00000 {
++ compatible = "arm,pl330", "arm,primecell";
++ reg = <0xe0a00000 0x1000>;
++ interrupt-parent = <&vic0>;
++ interrupts = <20>;
++ clocks = <&clocks CLK_PDMA1>;
++ clock-names = "apb_pclk";
++ #dma-cells = <1>;
++ #dma-channels = <8>;
++ #dma-requests = <32>;
+ };
+
+ spi0: spi@e1300000 {
+@@ -230,43 +220,36 @@
+ status = "disabled";
+ };
+
+- audio-subsystem {
+- compatible = "samsung,s5pv210-audss", "simple-bus";
+- #address-cells = <1>;
+- #size-cells = <1>;
+- ranges;
+-
+- clk_audss: clock-controller@eee10000 {
+- compatible = "samsung,s5pv210-audss-clock";
+- reg = <0xeee10000 0x1000>;
+- clock-names = "hclk", "xxti",
+- "fout_epll",
+- "sclk_audio0";
+- clocks = <&clocks DOUT_HCLKP>, <&xxti>,
+- <&clocks FOUT_EPLL>,
+- <&clocks SCLK_AUDIO0>;
+- #clock-cells = <1>;
+- };
++ clk_audss: clock-controller@eee10000 {
++ compatible = "samsung,s5pv210-audss-clock";
++ reg = <0xeee10000 0x1000>;
++ clock-names = "hclk", "xxti",
++ "fout_epll",
++ "sclk_audio0";
++ clocks = <&clocks DOUT_HCLKP>, <&xxti>,
++ <&clocks FOUT_EPLL>,
++ <&clocks SCLK_AUDIO0>;
++ #clock-cells = <1>;
++ };
+
+- i2s0: i2s@eee30000 {
+- compatible = "samsung,s5pv210-i2s";
+- reg = <0xeee30000 0x1000>;
+- interrupt-parent = <&vic2>;
+- interrupts = <16>;
+- dma-names = "rx", "tx", "tx-sec";
+- dmas = <&pdma1 9>, <&pdma1 10>, <&pdma1 11>;
+- clock-names = "iis",
+- "i2s_opclk0",
+- "i2s_opclk1";
+- clocks = <&clk_audss CLK_I2S>,
+- <&clk_audss CLK_I2S>,
+- <&clk_audss CLK_DOUT_AUD_BUS>;
+- samsung,idma-addr = <0xc0010000>;
+- pinctrl-names = "default";
+- pinctrl-0 = <&i2s0_bus>;
+- #sound-dai-cells = <0>;
+- status = "disabled";
+- };
++ i2s0: i2s@eee30000 {
++ compatible = "samsung,s5pv210-i2s";
++ reg = <0xeee30000 0x1000>;
++ interrupt-parent = <&vic2>;
++ interrupts = <16>;
++ dma-names = "rx", "tx", "tx-sec";
++ dmas = <&pdma1 9>, <&pdma1 10>, <&pdma1 11>;
++ clock-names = "iis",
++ "i2s_opclk0",
++ "i2s_opclk1";
++ clocks = <&clk_audss CLK_I2S>,
++ <&clk_audss CLK_I2S>,
++ <&clk_audss CLK_DOUT_AUD_BUS>;
++ samsung,idma-addr = <0xc0010000>;
++ pinctrl-names = "default";
++ pinctrl-0 = <&i2s0_bus>;
++ #sound-dai-cells = <0>;
++ status = "disabled";
+ };
+
+ i2s1: i2s@e2100000 {
+diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
+index 7e7dfc2b43db0..d1af56d2f25e5 100644
+--- a/arch/arm/boot/dts/sun4i-a10.dtsi
++++ b/arch/arm/boot/dts/sun4i-a10.dtsi
+@@ -144,7 +144,7 @@
+ trips {
+ cpu_alert0: cpu_alert0 {
+ /* milliCelsius */
+- temperature = <850000>;
++ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
+index 283084f6286d9..671dbc28e5d46 100644
+--- a/arch/arm/kernel/hw_breakpoint.c
++++ b/arch/arm/kernel/hw_breakpoint.c
+@@ -688,6 +688,40 @@ static void disable_single_step(struct perf_event *bp)
+ arch_install_hw_breakpoint(bp);
+ }
+
++/*
++ * Arm32 hardware does not always report a watchpoint hit address that matches
++ * one of the watchpoints set. It can also report an address "near" the
++ * watchpoint if a single instruction access both watched and unwatched
++ * addresses. There is no straight-forward way, short of disassembling the
++ * offending instruction, to map that address back to the watchpoint. This
++ * function computes the distance of the memory access from the watchpoint as a
++ * heuristic for the likelyhood that a given access triggered the watchpoint.
++ *
++ * See this same function in the arm64 platform code, which has the same
++ * problem.
++ *
++ * The function returns the distance of the address from the bytes watched by
++ * the watchpoint. In case of an exact match, it returns 0.
++ */
++static u32 get_distance_from_watchpoint(unsigned long addr, u32 val,
++ struct arch_hw_breakpoint_ctrl *ctrl)
++{
++ u32 wp_low, wp_high;
++ u32 lens, lene;
++
++ lens = __ffs(ctrl->len);
++ lene = __fls(ctrl->len);
++
++ wp_low = val + lens;
++ wp_high = val + lene;
++ if (addr < wp_low)
++ return wp_low - addr;
++ else if (addr > wp_high)
++ return addr - wp_high;
++ else
++ return 0;
++}
++
+ static int watchpoint_fault_on_uaccess(struct pt_regs *regs,
+ struct arch_hw_breakpoint *info)
+ {
+@@ -697,23 +731,25 @@ static int watchpoint_fault_on_uaccess(struct pt_regs *regs,
+ static void watchpoint_handler(unsigned long addr, unsigned int fsr,
+ struct pt_regs *regs)
+ {
+- int i, access;
+- u32 val, ctrl_reg, alignment_mask;
++ int i, access, closest_match = 0;
++ u32 min_dist = -1, dist;
++ u32 val, ctrl_reg;
+ struct perf_event *wp, **slots;
+ struct arch_hw_breakpoint *info;
+ struct arch_hw_breakpoint_ctrl ctrl;
+
+ slots = this_cpu_ptr(wp_on_reg);
+
++ /*
++ * Find all watchpoints that match the reported address. If no exact
++ * match is found. Attribute the hit to the closest watchpoint.
++ */
++ rcu_read_lock();
+ for (i = 0; i < core_num_wrps; ++i) {
+- rcu_read_lock();
+-
+ wp = slots[i];
+-
+ if (wp == NULL)
+- goto unlock;
++ continue;
+
+- info = counter_arch_bp(wp);
+ /*
+ * The DFAR is an unknown value on debug architectures prior
+ * to 7.1. Since we only allow a single watchpoint on these
+@@ -722,33 +758,31 @@ static void watchpoint_handler(unsigned long addr, unsigned int fsr,
+ */
+ if (debug_arch < ARM_DEBUG_ARCH_V7_1) {
+ BUG_ON(i > 0);
++ info = counter_arch_bp(wp);
+ info->trigger = wp->attr.bp_addr;
+ } else {
+- if (info->ctrl.len == ARM_BREAKPOINT_LEN_8)
+- alignment_mask = 0x7;
+- else
+- alignment_mask = 0x3;
+-
+- /* Check if the watchpoint value matches. */
+- val = read_wb_reg(ARM_BASE_WVR + i);
+- if (val != (addr & ~alignment_mask))
+- goto unlock;
+-
+- /* Possible match, check the byte address select. */
+- ctrl_reg = read_wb_reg(ARM_BASE_WCR + i);
+- decode_ctrl_reg(ctrl_reg, &ctrl);
+- if (!((1 << (addr & alignment_mask)) & ctrl.len))
+- goto unlock;
+-
+ /* Check that the access type matches. */
+ if (debug_exception_updates_fsr()) {
+ access = (fsr & ARM_FSR_ACCESS_MASK) ?
+ HW_BREAKPOINT_W : HW_BREAKPOINT_R;
+ if (!(access & hw_breakpoint_type(wp)))
+- goto unlock;
++ continue;
+ }
+
++ val = read_wb_reg(ARM_BASE_WVR + i);
++ ctrl_reg = read_wb_reg(ARM_BASE_WCR + i);
++ decode_ctrl_reg(ctrl_reg, &ctrl);
++ dist = get_distance_from_watchpoint(addr, val, &ctrl);
++ if (dist < min_dist) {
++ min_dist = dist;
++ closest_match = i;
++ }
++ /* Is this an exact match? */
++ if (dist != 0)
++ continue;
++
+ /* We have a winner. */
++ info = counter_arch_bp(wp);
+ info->trigger = addr;
+ }
+
+@@ -770,13 +804,23 @@ static void watchpoint_handler(unsigned long addr, unsigned int fsr,
+ * we can single-step over the watchpoint trigger.
+ */
+ if (!is_default_overflow_handler(wp))
+- goto unlock;
+-
++ continue;
+ step:
+ enable_single_step(wp, instruction_pointer(regs));
+-unlock:
+- rcu_read_unlock();
+ }
++
++ if (min_dist > 0 && min_dist != -1) {
++ /* No exact match found. */
++ wp = slots[closest_match];
++ info = counter_arch_bp(wp);
++ info->trigger = addr;
++ pr_debug("watchpoint fired: address = 0x%x\n", info->trigger);
++ perf_bp_event(wp, regs);
++ if (is_default_overflow_handler(wp))
++ enable_single_step(wp, instruction_pointer(regs));
++ }
++
++ rcu_read_unlock();
+ }
+
+ static void watchpoint_single_step_handler(unsigned long pc)
+diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
+index 3265b8f860694..6ec01491735ec 100644
+--- a/arch/arm/plat-samsung/Kconfig
++++ b/arch/arm/plat-samsung/Kconfig
+@@ -242,6 +242,7 @@ config SAMSUNG_PM_DEBUG
+ bool "Samsung PM Suspend debug"
+ depends on PM && DEBUG_KERNEL
+ depends on DEBUG_EXYNOS_UART || DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
++ depends on DEBUG_LL && MMU
+ help
+ Say Y here if you want verbose debugging from the PM Suspend and
+ Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
+index 3428a4ba2ccdf..2f9c2a95c40e0 100644
+--- a/arch/arm64/Kconfig.platforms
++++ b/arch/arm64/Kconfig.platforms
+@@ -41,6 +41,7 @@ config ARCH_BCM_IPROC
+ config ARCH_BERLIN
+ bool "Marvell Berlin SoC Family"
+ select DW_APB_ICTL
++ select DW_APB_TIMER_OF
+ select GPIOLIB
+ select PINCTRL
+ help
+diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
+index 367ebb48170be..86c0ef23157c2 100644
+--- a/arch/arm64/include/asm/kvm_host.h
++++ b/arch/arm64/include/asm/kvm_host.h
+@@ -188,6 +188,7 @@ enum vcpu_sysreg {
+ #define cp14_DBGWCR0 (DBGWCR0_EL1 * 2)
+ #define cp14_DBGWVR0 (DBGWVR0_EL1 * 2)
+ #define cp14_DBGDCCINT (MDCCINT_EL1 * 2)
++#define cp14_DBGVCR (DBGVCR32_EL2 * 2)
+
+ #define NR_COPRO_REGS (NR_SYS_REGS * 2)
+
+diff --git a/arch/arm64/include/asm/numa.h b/arch/arm64/include/asm/numa.h
+index 600887e491fdf..496070f97c541 100644
+--- a/arch/arm64/include/asm/numa.h
++++ b/arch/arm64/include/asm/numa.h
+@@ -25,6 +25,9 @@ const struct cpumask *cpumask_of_node(int node);
+ /* Returns a pointer to the cpumask of CPUs on Node 'node'. */
+ static inline const struct cpumask *cpumask_of_node(int node)
+ {
++ if (node == NUMA_NO_NODE)
++ return cpu_all_mask;
++
+ return node_to_cpumask_map[node];
+ }
+ #endif
+diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
+index 7cee552ce0bf0..dce732f51e50e 100644
+--- a/arch/arm64/kvm/sys_regs.c
++++ b/arch/arm64/kvm/sys_regs.c
+@@ -1207,9 +1207,9 @@ static const struct sys_reg_desc cp14_regs[] = {
+ { Op1( 0), CRn( 0), CRm( 1), Op2( 0), trap_raz_wi },
+ DBG_BCR_BVR_WCR_WVR(1),
+ /* DBGDCCINT */
+- { Op1( 0), CRn( 0), CRm( 2), Op2( 0), trap_debug32 },
++ { Op1( 0), CRn( 0), CRm( 2), Op2( 0), trap_debug32, NULL, cp14_DBGDCCINT },
+ /* DBGDSCRext */
+- { Op1( 0), CRn( 0), CRm( 2), Op2( 2), trap_debug32 },
++ { Op1( 0), CRn( 0), CRm( 2), Op2( 2), trap_debug32, NULL, cp14_DBGDSCRext },
+ DBG_BCR_BVR_WCR_WVR(2),
+ /* DBGDTR[RT]Xint */
+ { Op1( 0), CRn( 0), CRm( 3), Op2( 0), trap_raz_wi },
+@@ -1224,7 +1224,7 @@ static const struct sys_reg_desc cp14_regs[] = {
+ { Op1( 0), CRn( 0), CRm( 6), Op2( 2), trap_raz_wi },
+ DBG_BCR_BVR_WCR_WVR(6),
+ /* DBGVCR */
+- { Op1( 0), CRn( 0), CRm( 7), Op2( 0), trap_debug32 },
++ { Op1( 0), CRn( 0), CRm( 7), Op2( 0), trap_debug32, NULL, cp14_DBGVCR },
+ DBG_BCR_BVR_WCR_WVR(7),
+ DBG_BCR_BVR_WCR_WVR(8),
+ DBG_BCR_BVR_WCR_WVR(9),
+diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
+index b1e42bad69ac3..fddae9b8e1bf1 100644
+--- a/arch/arm64/mm/numa.c
++++ b/arch/arm64/mm/numa.c
+@@ -58,7 +58,11 @@ EXPORT_SYMBOL(node_to_cpumask_map);
+ */
+ const struct cpumask *cpumask_of_node(int node)
+ {
+- if (WARN_ON(node >= nr_node_ids))
++
++ if (node == NUMA_NO_NODE)
++ return cpu_all_mask;
++
++ if (WARN_ON(node < 0 || node >= nr_node_ids))
+ return cpu_none_mask;
+
+ if (WARN_ON(node_to_cpumask_map[node] == NULL))
+diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
+index 9edda5466020d..bcd3668f1bb82 100644
+--- a/arch/ia64/kernel/Makefile
++++ b/arch/ia64/kernel/Makefile
+@@ -42,7 +42,7 @@ endif
+ obj-$(CONFIG_INTEL_IOMMU) += pci-dma.o
+ obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o
+
+-obj-$(CONFIG_BINFMT_ELF) += elfcore.o
++obj-$(CONFIG_ELF_CORE) += elfcore.o
+
+ # fp_emulate() expects f2-f5,f16-f31 to contain the user-level state.
+ CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31
+diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
+index c4f1d1f7bae09..6949a360c584e 100644
+--- a/arch/powerpc/kernel/sysfs.c
++++ b/arch/powerpc/kernel/sysfs.c
+@@ -28,29 +28,27 @@
+
+ static DEFINE_PER_CPU(struct cpu, cpu_devices);
+
+-/*
+- * SMT snooze delay stuff, 64-bit only for now
+- */
+-
+ #ifdef CONFIG_PPC64
+
+-/* Time in microseconds we delay before sleeping in the idle loop */
+-static DEFINE_PER_CPU(long, smt_snooze_delay) = { 100 };
++/*
++ * Snooze delay has not been hooked up since 3fa8cad82b94 ("powerpc/pseries/cpuidle:
++ * smt-snooze-delay cleanup.") and has been broken even longer. As was foretold in
++ * 2014:
++ *
++ * "ppc64_util currently utilises it. Once we fix ppc64_util, propose to clean
++ * up the kernel code."
++ *
++ * powerpc-utils stopped using it as of 1.3.8. At some point in the future this
++ * code should be removed.
++ */
+
+ static ssize_t store_smt_snooze_delay(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+ {
+- struct cpu *cpu = container_of(dev, struct cpu, dev);
+- ssize_t ret;
+- long snooze;
+-
+- ret = sscanf(buf, "%ld", &snooze);
+- if (ret != 1)
+- return -EINVAL;
+-
+- per_cpu(smt_snooze_delay, cpu->dev.id) = snooze;
++ pr_warn_once("%s (%d) stored to unsupported smt_snooze_delay, which has no effect.\n",
++ current->comm, current->pid);
+ return count;
+ }
+
+@@ -58,9 +56,9 @@ static ssize_t show_smt_snooze_delay(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- struct cpu *cpu = container_of(dev, struct cpu, dev);
+-
+- return sprintf(buf, "%ld\n", per_cpu(smt_snooze_delay, cpu->dev.id));
++ pr_warn_once("%s (%d) read from unsupported smt_snooze_delay\n",
++ current->comm, current->pid);
++ return sprintf(buf, "100\n");
+ }
+
+ static DEVICE_ATTR(smt_snooze_delay, 0644, show_smt_snooze_delay,
+@@ -68,16 +66,10 @@ static DEVICE_ATTR(smt_snooze_delay, 0644, show_smt_snooze_delay,
+
+ static int __init setup_smt_snooze_delay(char *str)
+ {
+- unsigned int cpu;
+- long snooze;
+-
+ if (!cpu_has_feature(CPU_FTR_SMT))
+ return 1;
+
+- snooze = simple_strtol(str, NULL, 10);
+- for_each_possible_cpu(cpu)
+- per_cpu(smt_snooze_delay, cpu) = snooze;
+-
++ pr_warn("smt-snooze-delay command line option has no effect\n");
+ return 1;
+ }
+ __setup("smt-snooze-delay=", setup_smt_snooze_delay);
+diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
+index e21e2c0af69d2..1a8b6e276a112 100644
+--- a/arch/powerpc/platforms/powernv/opal-dump.c
++++ b/arch/powerpc/platforms/powernv/opal-dump.c
+@@ -385,13 +385,12 @@ static irqreturn_t process_dump(int irq, void *data)
+ {
+ int rc;
+ uint32_t dump_id, dump_size, dump_type;
+- struct dump_obj *dump;
+ char name[22];
+ struct kobject *kobj;
+
+ rc = dump_read_info(&dump_id, &dump_size, &dump_type);
+ if (rc != OPAL_SUCCESS)
+- return rc;
++ return IRQ_HANDLED;
+
+ sprintf(name, "0x%x-0x%x", dump_type, dump_id);
+
+@@ -403,12 +402,10 @@ static irqreturn_t process_dump(int irq, void *data)
+ if (kobj) {
+ /* Drop reference added by kset_find_obj() */
+ kobject_put(kobj);
+- return 0;
++ return IRQ_HANDLED;
+ }
+
+- dump = create_dump_obj(dump_id, dump_size, dump_type);
+- if (!dump)
+- return -1;
++ create_dump_obj(dump_id, dump_size, dump_type);
+
+ return IRQ_HANDLED;
+ }
+diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
+index f2344cbd2f464..3595f3cfefa35 100644
+--- a/arch/powerpc/platforms/powernv/opal-elog.c
++++ b/arch/powerpc/platforms/powernv/opal-elog.c
+@@ -183,14 +183,14 @@ static ssize_t raw_attr_read(struct file *filep, struct kobject *kobj,
+ return count;
+ }
+
+-static struct elog_obj *create_elog_obj(uint64_t id, size_t size, uint64_t type)
++static void create_elog_obj(uint64_t id, size_t size, uint64_t type)
+ {
+ struct elog_obj *elog;
+ int rc;
+
+ elog = kzalloc(sizeof(*elog), GFP_KERNEL);
+ if (!elog)
+- return NULL;
++ return;
+
+ elog->kobj.kset = elog_kset;
+
+@@ -223,18 +223,37 @@ static struct elog_obj *create_elog_obj(uint64_t id, size_t size, uint64_t type)
+ rc = kobject_add(&elog->kobj, NULL, "0x%llx", id);
+ if (rc) {
+ kobject_put(&elog->kobj);
+- return NULL;
++ return;
+ }
+
++ /*
++ * As soon as the sysfs file for this elog is created/activated there is
++ * a chance the opal_errd daemon (or any userspace) might read and
++ * acknowledge the elog before kobject_uevent() is called. If that
++ * happens then there is a potential race between
++ * elog_ack_store->kobject_put() and kobject_uevent() which leads to a
++ * use-after-free of a kernfs object resulting in a kernel crash.
++ *
++ * To avoid that, we need to take a reference on behalf of the bin file,
++ * so that our reference remains valid while we call kobject_uevent().
++ * We then drop our reference before exiting the function, leaving the
++ * bin file to drop the last reference (if it hasn't already).
++ */
++
++ /* Take a reference for the bin file */
++ kobject_get(&elog->kobj);
+ rc = sysfs_create_bin_file(&elog->kobj, &elog->raw_attr);
+- if (rc) {
++ if (rc == 0) {
++ kobject_uevent(&elog->kobj, KOBJ_ADD);
++ } else {
++ /* Drop the reference taken for the bin file */
+ kobject_put(&elog->kobj);
+- return NULL;
+ }
+
+- kobject_uevent(&elog->kobj, KOBJ_ADD);
++ /* Drop our reference */
++ kobject_put(&elog->kobj);
+
+- return elog;
++ return;
+ }
+
+ static irqreturn_t elog_event(int irq, void *data)
+diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
+index eec0e8d0454d1..7e0f5fa0452b3 100644
+--- a/arch/powerpc/platforms/powernv/smp.c
++++ b/arch/powerpc/platforms/powernv/smp.c
+@@ -41,7 +41,7 @@
+ #include <asm/udbg.h>
+ #define DBG(fmt...) udbg_printf(fmt)
+ #else
+-#define DBG(fmt...)
++#define DBG(fmt...) do { } while (0)
+ #endif
+
+ static void pnv_smp_setup_cpu(int cpu)
+diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
+index ca7cb8e57ab0f..b81cdd53d0906 100644
+--- a/arch/sparc/kernel/smp_64.c
++++ b/arch/sparc/kernel/smp_64.c
+@@ -1034,38 +1034,9 @@ void smp_fetch_global_pmu(void)
+ * are flush_tlb_*() routines, and these run after flush_cache_*()
+ * which performs the flushw.
+ *
+- * The SMP TLB coherency scheme we use works as follows:
+- *
+- * 1) mm->cpu_vm_mask is a bit mask of which cpus an address
+- * space has (potentially) executed on, this is the heuristic
+- * we use to avoid doing cross calls.
+- *
+- * Also, for flushing from kswapd and also for clones, we
+- * use cpu_vm_mask as the list of cpus to make run the TLB.
+- *
+- * 2) TLB context numbers are shared globally across all processors
+- * in the system, this allows us to play several games to avoid
+- * cross calls.
+- *
+- * One invariant is that when a cpu switches to a process, and
+- * that processes tsk->active_mm->cpu_vm_mask does not have the
+- * current cpu's bit set, that tlb context is flushed locally.
+- *
+- * If the address space is non-shared (ie. mm->count == 1) we avoid
+- * cross calls when we want to flush the currently running process's
+- * tlb state. This is done by clearing all cpu bits except the current
+- * processor's in current->mm->cpu_vm_mask and performing the
+- * flush locally only. This will force any subsequent cpus which run
+- * this task to flush the context from the local tlb if the process
+- * migrates to another cpu (again).
+- *
+- * 3) For shared address spaces (threads) and swapping we bite the
+- * bullet for most cases and perform the cross call (but only to
+- * the cpus listed in cpu_vm_mask).
+- *
+- * The performance gain from "optimizing" away the cross call for threads is
+- * questionable (in theory the big win for threads is the massive sharing of
+- * address space state across processors).
++ * mm->cpu_vm_mask is a bit mask of which cpus an address
++ * space has (potentially) executed on, this is the heuristic
++ * we use to limit cross calls.
+ */
+
+ /* This currently is only used by the hugetlb arch pre-fault
+@@ -1075,18 +1046,13 @@ void smp_fetch_global_pmu(void)
+ void smp_flush_tlb_mm(struct mm_struct *mm)
+ {
+ u32 ctx = CTX_HWBITS(mm->context);
+- int cpu = get_cpu();
+
+- if (atomic_read(&mm->mm_users) == 1) {
+- cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
+- goto local_flush_and_out;
+- }
++ get_cpu();
+
+ smp_cross_call_masked(&xcall_flush_tlb_mm,
+ ctx, 0, 0,
+ mm_cpumask(mm));
+
+-local_flush_and_out:
+ __flush_tlb_mm(ctx, SECONDARY_CONTEXT);
+
+ put_cpu();
+@@ -1109,17 +1075,15 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long
+ {
+ u32 ctx = CTX_HWBITS(mm->context);
+ struct tlb_pending_info info;
+- int cpu = get_cpu();
++
++ get_cpu();
+
+ info.ctx = ctx;
+ info.nr = nr;
+ info.vaddrs = vaddrs;
+
+- if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
+- cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
+- else
+- smp_call_function_many(mm_cpumask(mm), tlb_pending_func,
+- &info, 1);
++ smp_call_function_many(mm_cpumask(mm), tlb_pending_func,
++ &info, 1);
+
+ __flush_tlb_pending(ctx, nr, vaddrs);
+
+@@ -1129,14 +1093,13 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long
+ void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
+ {
+ unsigned long context = CTX_HWBITS(mm->context);
+- int cpu = get_cpu();
+
+- if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
+- cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
+- else
+- smp_cross_call_masked(&xcall_flush_tlb_page,
+- context, vaddr, 0,
+- mm_cpumask(mm));
++ get_cpu();
++
++ smp_cross_call_masked(&xcall_flush_tlb_page,
++ context, vaddr, 0,
++ mm_cpumask(mm));
++
+ __flush_tlb_page(context, vaddr);
+
+ put_cpu();
+diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c
+index b5e0cbb343828..476ded92affac 100644
+--- a/arch/um/kernel/sigio.c
++++ b/arch/um/kernel/sigio.c
+@@ -36,14 +36,14 @@ int write_sigio_irq(int fd)
+ }
+
+ /* These are called from os-Linux/sigio.c to protect its pollfds arrays. */
+-static DEFINE_SPINLOCK(sigio_spinlock);
++static DEFINE_MUTEX(sigio_mutex);
+
+ void sigio_lock(void)
+ {
+- spin_lock(&sigio_spinlock);
++ mutex_lock(&sigio_mutex);
+ }
+
+ void sigio_unlock(void)
+ {
+- spin_unlock(&sigio_spinlock);
++ mutex_unlock(&sigio_mutex);
+ }
+diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c
+index 5f72b473f3ed3..f6e57bebbc6bb 100644
+--- a/arch/x86/events/amd/ibs.c
++++ b/arch/x86/events/amd/ibs.c
+@@ -88,6 +88,7 @@ struct perf_ibs {
+ u64 max_period;
+ unsigned long offset_mask[1];
+ int offset_max;
++ unsigned int fetch_count_reset_broken : 1;
+ struct cpu_perf_ibs __percpu *pcpu;
+
+ struct attribute **format_attrs;
+@@ -345,11 +346,15 @@ static u64 get_ibs_op_count(u64 config)
+ {
+ u64 count = 0;
+
++ /*
++ * If the internal 27-bit counter rolled over, the count is MaxCnt
++ * and the lower 7 bits of CurCnt are randomized.
++ * Otherwise CurCnt has the full 27-bit current counter value.
++ */
+ if (config & IBS_OP_VAL)
+- count += (config & IBS_OP_MAX_CNT) << 4; /* cnt rolled over */
+-
+- if (ibs_caps & IBS_CAPS_RDWROPCNT)
+- count += (config & IBS_OP_CUR_CNT) >> 32;
++ count = (config & IBS_OP_MAX_CNT) << 4;
++ else if (ibs_caps & IBS_CAPS_RDWROPCNT)
++ count = (config & IBS_OP_CUR_CNT) >> 32;
+
+ return count;
+ }
+@@ -374,7 +379,12 @@ perf_ibs_event_update(struct perf_ibs *perf_ibs, struct perf_event *event,
+ static inline void perf_ibs_enable_event(struct perf_ibs *perf_ibs,
+ struct hw_perf_event *hwc, u64 config)
+ {
+- wrmsrl(hwc->config_base, hwc->config | config | perf_ibs->enable_mask);
++ u64 tmp = hwc->config | config;
++
++ if (perf_ibs->fetch_count_reset_broken)
++ wrmsrl(hwc->config_base, tmp & ~perf_ibs->enable_mask);
++
++ wrmsrl(hwc->config_base, tmp | perf_ibs->enable_mask);
+ }
+
+ /*
+@@ -636,18 +646,24 @@ fail:
+ perf_ibs->offset_max,
+ offset + 1);
+ } while (offset < offset_max);
++ /*
++ * Read IbsBrTarget, IbsOpData4, and IbsExtdCtl separately
++ * depending on their availability.
++ * Can't add to offset_max as they are staggered
++ */
+ if (event->attr.sample_type & PERF_SAMPLE_RAW) {
+- /*
+- * Read IbsBrTarget and IbsOpData4 separately
+- * depending on their availability.
+- * Can't add to offset_max as they are staggered
+- */
+- if (ibs_caps & IBS_CAPS_BRNTRGT) {
+- rdmsrl(MSR_AMD64_IBSBRTARGET, *buf++);
+- size++;
++ if (perf_ibs == &perf_ibs_op) {
++ if (ibs_caps & IBS_CAPS_BRNTRGT) {
++ rdmsrl(MSR_AMD64_IBSBRTARGET, *buf++);
++ size++;
++ }
++ if (ibs_caps & IBS_CAPS_OPDATA4) {
++ rdmsrl(MSR_AMD64_IBSOPDATA4, *buf++);
++ size++;
++ }
+ }
+- if (ibs_caps & IBS_CAPS_OPDATA4) {
+- rdmsrl(MSR_AMD64_IBSOPDATA4, *buf++);
++ if (perf_ibs == &perf_ibs_fetch && (ibs_caps & IBS_CAPS_FETCHCTLEXTD)) {
++ rdmsrl(MSR_AMD64_ICIBSEXTDCTL, *buf++);
+ size++;
+ }
+ }
+@@ -743,6 +759,13 @@ static __init void perf_event_ibs_init(void)
+ {
+ struct attribute **attr = ibs_op_format_attrs;
+
++ /*
++ * Some chips fail to reset the fetch count when it is written; instead
++ * they need a 0-1 transition of IbsFetchEn.
++ */
++ if (boot_cpu_data.x86 >= 0x16 && boot_cpu_data.x86 <= 0x18)
++ perf_ibs_fetch.fetch_count_reset_broken = 1;
++
+ perf_ibs_pmu_init(&perf_ibs_fetch, "ibs_fetch");
+
+ if (ibs_caps & IBS_CAPS_OPCNT) {
+diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
+index b12b0a50ad1f7..1fdea3c334e7c 100644
+--- a/arch/x86/include/asm/msr-index.h
++++ b/arch/x86/include/asm/msr-index.h
+@@ -356,6 +356,7 @@
+ #define MSR_AMD64_IBSOP_REG_MASK ((1UL<<MSR_AMD64_IBSOP_REG_COUNT)-1)
+ #define MSR_AMD64_IBSCTL 0xc001103a
+ #define MSR_AMD64_IBSBRTARGET 0xc001103b
++#define MSR_AMD64_ICIBSEXTDCTL 0xc001103c
+ #define MSR_AMD64_IBSOPDATA4 0xc001103d
+ #define MSR_AMD64_IBS_REG_COUNT_MAX 8 /* includes MSR_AMD64_IBSBRTARGET */
+
+diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c
+index 167ecc270ca55..316c05b8b728b 100644
+--- a/arch/x86/kernel/kexec-bzimage64.c
++++ b/arch/x86/kernel/kexec-bzimage64.c
+@@ -211,8 +211,7 @@ setup_boot_parameters(struct kimage *image, struct boot_params *params,
+ params->hdr.hardware_subarch = boot_params.hdr.hardware_subarch;
+
+ /* Copying screen_info will do? */
+- memcpy(¶ms->screen_info, &boot_params.screen_info,
+- sizeof(struct screen_info));
++ memcpy(¶ms->screen_info, &screen_info, sizeof(struct screen_info));
+
+ /* Fill in memsize later */
+ params->screen_info.ext_mem_k = 0;
+diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c
+index dee86925a9a10..1cc38ca54817e 100644
+--- a/drivers/acpi/acpi_dbg.c
++++ b/drivers/acpi/acpi_dbg.c
+@@ -757,6 +757,9 @@ int __init acpi_aml_init(void)
+ goto err_exit;
+ }
+
++ if (acpi_disabled)
++ return -ENODEV;
++
+ /* Initialize AML IO interface */
+ mutex_init(&acpi_aml_io.lock);
+ init_waitqueue_head(&acpi_aml_io.wait);
+diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
+index b3842ffc19ba2..46d201fc7ecc7 100644
+--- a/drivers/acpi/acpi_extlog.c
++++ b/drivers/acpi/acpi_extlog.c
+@@ -223,9 +223,9 @@ static int __init extlog_init(void)
+ u64 cap;
+ int rc;
+
+- rdmsrl(MSR_IA32_MCG_CAP, cap);
+-
+- if (!(cap & MCG_ELOG_P) || !extlog_get_l1addr())
++ if (rdmsrl_safe(MSR_IA32_MCG_CAP, &cap) ||
++ !(cap & MCG_ELOG_P) ||
++ !extlog_get_l1addr())
+ return -ENODEV;
+
+ if (get_edac_report_status() == EDAC_REPORTING_FORCE) {
+diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
+index 31a07609f7a23..b7fd8e00b346b 100644
+--- a/drivers/acpi/nfit/core.c
++++ b/drivers/acpi/nfit/core.c
+@@ -1219,7 +1219,7 @@ static ssize_t format1_show(struct device *dev,
+ le16_to_cpu(nfit_dcr->dcr->code));
+ break;
+ }
+- if (rc != ENXIO)
++ if (rc != -ENXIO)
+ break;
+ }
+ mutex_unlock(&acpi_desc->init_mutex);
+diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
+index 25f02f5fe0fdb..ec2f77a471501 100644
+--- a/drivers/acpi/video_detect.c
++++ b/drivers/acpi/video_detect.c
+@@ -268,6 +268,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"),
+ },
+ },
++ /* https://bugs.launchpad.net/bugs/1894667 */
++ {
++ .callback = video_detect_force_video,
++ .ident = "HP 635 Notebook",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "HP 635 Notebook PC"),
++ },
++ },
+
+ /* Non win8 machines which need native backlight nevertheless */
+ {
+diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
+index 301419325b975..e62b254c419f0 100644
+--- a/drivers/ata/sata_rcar.c
++++ b/drivers/ata/sata_rcar.c
+@@ -122,7 +122,7 @@
+ /* Descriptor table word 0 bit (when DTA32M = 1) */
+ #define SATA_RCAR_DTEND BIT(0)
+
+-#define SATA_RCAR_DMA_BOUNDARY 0x1FFFFFFEUL
++#define SATA_RCAR_DMA_BOUNDARY 0x1FFFFFFFUL
+
+ /* Gen2 Physical Layer Control Registers */
+ #define RCAR_GEN2_PHY_CTL1_REG 0x1704
+diff --git a/drivers/base/core.c b/drivers/base/core.c
+index fe9f2aea84bd4..ec5cc5d98a3e7 100644
+--- a/drivers/base/core.c
++++ b/drivers/base/core.c
+@@ -2348,6 +2348,7 @@ static inline bool fwnode_is_primary(struct fwnode_handle *fwnode)
+ */
+ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode)
+ {
++ struct device *parent = dev->parent;
+ struct fwnode_handle *fn = dev->fwnode;
+
+ if (fwnode) {
+@@ -2362,7 +2363,8 @@ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode)
+ } else {
+ if (fwnode_is_primary(fn)) {
+ dev->fwnode = fn->secondary;
+- fn->secondary = NULL;
++ if (!(parent && fn == parent->fwnode))
++ fn->secondary = ERR_PTR(-ENODEV);
+ } else {
+ dev->fwnode = NULL;
+ }
+diff --git a/drivers/clk/ti/clockdomain.c b/drivers/clk/ti/clockdomain.c
+index 6cf9dd189a924..4e5e952380869 100644
+--- a/drivers/clk/ti/clockdomain.c
++++ b/drivers/clk/ti/clockdomain.c
+@@ -124,10 +124,12 @@ static void __init of_ti_clockdomain_setup(struct device_node *node)
+ if (clk_hw_get_flags(clk_hw) & CLK_IS_BASIC) {
+ pr_warn("can't setup clkdm for basic clk %s\n",
+ __clk_get_name(clk));
++ clk_put(clk);
+ continue;
+ }
+ to_clk_hw_omap(clk_hw)->clkdm_name = clkdm_name;
+ omap2_init_clk_clkdm(clk_hw);
++ clk_put(clk);
+ }
+ }
+
+diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
+index 1ee3674a99bb8..3bd816cf4a7d3 100644
+--- a/drivers/cpufreq/acpi-cpufreq.c
++++ b/drivers/cpufreq/acpi-cpufreq.c
+@@ -720,7 +720,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
+ cpumask_copy(policy->cpus, topology_core_cpumask(cpu));
+ }
+
+- if (check_amd_hwpstate_cpu(cpu) && !acpi_pstate_strict) {
++ if (check_amd_hwpstate_cpu(cpu) && boot_cpu_data.x86 < 0x19 &&
++ !acpi_pstate_strict) {
+ cpumask_clear(policy->cpus);
+ cpumask_set_cpu(cpu, policy->cpus);
+ cpumask_copy(data->freqdomain_cpus,
+diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c
+index b366e6d830ea3..2cb3346e82d35 100644
+--- a/drivers/cpufreq/sti-cpufreq.c
++++ b/drivers/cpufreq/sti-cpufreq.c
+@@ -144,7 +144,8 @@ static const struct reg_field sti_stih407_dvfs_regfields[DVFS_MAX_REGFIELDS] = {
+ static const struct reg_field *sti_cpufreq_match(void)
+ {
+ if (of_machine_is_compatible("st,stih407") ||
+- of_machine_is_compatible("st,stih410"))
++ of_machine_is_compatible("st,stih410") ||
++ of_machine_is_compatible("st,stih418"))
+ return sti_stih407_dvfs_regfields;
+
+ return NULL;
+@@ -260,7 +261,8 @@ static int sti_cpufreq_init(void)
+ int ret;
+
+ if ((!of_machine_is_compatible("st,stih407")) &&
+- (!of_machine_is_compatible("st,stih410")))
++ (!of_machine_is_compatible("st,stih410")) &&
++ (!of_machine_is_compatible("st,stih418")))
+ return -ENODEV;
+
+ ddata.cpu = get_cpu_device(0);
+diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
+index aca2d6fd92d56..e1b6787f0e68f 100644
+--- a/drivers/dma/dma-jz4780.c
++++ b/drivers/dma/dma-jz4780.c
+@@ -567,11 +567,11 @@ static enum dma_status jz4780_dma_tx_status(struct dma_chan *chan,
+ enum dma_status status;
+ unsigned long flags;
+
++ spin_lock_irqsave(&jzchan->vchan.lock, flags);
++
+ status = dma_cookie_status(chan, cookie, txstate);
+ if ((status == DMA_COMPLETE) || (txstate == NULL))
+- return status;
+-
+- spin_lock_irqsave(&jzchan->vchan.lock, flags);
++ goto out_unlock_irqrestore;
+
+ vdesc = vchan_find_desc(&jzchan->vchan, cookie);
+ if (vdesc) {
+@@ -588,6 +588,7 @@ static enum dma_status jz4780_dma_tx_status(struct dma_chan *chan,
+ && jzchan->desc->status & (JZ_DMA_DCS_AR | JZ_DMA_DCS_HLT))
+ status = DMA_ERROR;
+
++out_unlock_irqrestore:
+ spin_unlock_irqrestore(&jzchan->vchan.lock, flags);
+ return status;
+ }
+diff --git a/drivers/iio/adc/ti-adc12138.c b/drivers/iio/adc/ti-adc12138.c
+index 072f03bfe6a06..1410a41782cc9 100644
+--- a/drivers/iio/adc/ti-adc12138.c
++++ b/drivers/iio/adc/ti-adc12138.c
+@@ -50,6 +50,12 @@ struct adc12138 {
+ struct completion complete;
+ /* The number of cclk periods for the S/H's acquisition time */
+ unsigned int acquisition_time;
++ /*
++ * Maximum size needed: 16x 2 bytes ADC data + 8 bytes timestamp.
++ * Less may be need if not all channels are enabled, as long as
++ * the 8 byte alignment of the timestamp is maintained.
++ */
++ __be16 data[20] __aligned(8);
+
+ u8 tx_buf[2] ____cacheline_aligned;
+ u8 rx_buf[2];
+@@ -333,7 +339,6 @@ static irqreturn_t adc12138_trigger_handler(int irq, void *p)
+ struct iio_poll_func *pf = p;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct adc12138 *adc = iio_priv(indio_dev);
+- __be16 data[20] = { }; /* 16x 2 bytes ADC data + 8 bytes timestamp */
+ __be16 trash;
+ int ret;
+ int scan_index;
+@@ -349,7 +354,7 @@ static irqreturn_t adc12138_trigger_handler(int irq, void *p)
+ reinit_completion(&adc->complete);
+
+ ret = adc12138_start_and_read_conv(adc, scan_chan,
+- i ? &data[i - 1] : &trash);
++ i ? &adc->data[i - 1] : &trash);
+ if (ret) {
+ dev_warn(&adc->spi->dev,
+ "failed to start conversion\n");
+@@ -366,7 +371,7 @@ static irqreturn_t adc12138_trigger_handler(int irq, void *p)
+ }
+
+ if (i) {
+- ret = adc12138_read_conv_data(adc, &data[i - 1]);
++ ret = adc12138_read_conv_data(adc, &adc->data[i - 1]);
+ if (ret) {
+ dev_warn(&adc->spi->dev,
+ "failed to get conversion data\n");
+@@ -374,7 +379,7 @@ static irqreturn_t adc12138_trigger_handler(int irq, void *p)
+ }
+ }
+
+- iio_push_to_buffers_with_timestamp(indio_dev, data,
++ iio_push_to_buffers_with_timestamp(indio_dev, adc->data,
+ iio_get_time_ns(indio_dev));
+ out:
+ mutex_unlock(&adc->lock);
+diff --git a/drivers/iio/gyro/itg3200_buffer.c b/drivers/iio/gyro/itg3200_buffer.c
+index eef50e91f17cf..e04483254b283 100644
+--- a/drivers/iio/gyro/itg3200_buffer.c
++++ b/drivers/iio/gyro/itg3200_buffer.c
+@@ -49,13 +49,20 @@ static irqreturn_t itg3200_trigger_handler(int irq, void *p)
+ struct iio_poll_func *pf = p;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct itg3200 *st = iio_priv(indio_dev);
+- __be16 buf[ITG3200_SCAN_ELEMENTS + sizeof(s64)/sizeof(u16)];
+-
+- int ret = itg3200_read_all_channels(st->i2c, buf);
++ /*
++ * Ensure correct alignment and padding including for the
++ * timestamp that may be inserted.
++ */
++ struct {
++ __be16 buf[ITG3200_SCAN_ELEMENTS];
++ s64 ts __aligned(8);
++ } scan;
++
++ int ret = itg3200_read_all_channels(st->i2c, scan.buf);
+ if (ret < 0)
+ goto error_ret;
+
+- iio_push_to_buffers_with_timestamp(indio_dev, buf, pf->timestamp);
++ iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp);
+
+ iio_trigger_notify_done(indio_dev->trig);
+
+diff --git a/drivers/iio/light/si1145.c b/drivers/iio/light/si1145.c
+index 096034c126a45..c292d98161180 100644
+--- a/drivers/iio/light/si1145.c
++++ b/drivers/iio/light/si1145.c
+@@ -172,6 +172,7 @@ struct si1145_part_info {
+ * @part_info: Part information
+ * @trig: Pointer to iio trigger
+ * @meas_rate: Value of MEAS_RATE register. Only set in HW in auto mode
++ * @buffer: Used to pack data read from sensor.
+ */
+ struct si1145_data {
+ struct i2c_client *client;
+@@ -183,6 +184,14 @@ struct si1145_data {
+ bool autonomous;
+ struct iio_trigger *trig;
+ int meas_rate;
++ /*
++ * Ensure timestamp will be naturally aligned if present.
++ * Maximum buffer size (may be only partly used if not all
++ * channels are enabled):
++ * 6*2 bytes channels data + 4 bytes alignment +
++ * 8 bytes timestamp
++ */
++ u8 buffer[24] __aligned(8);
+ };
+
+ /**
+@@ -444,12 +453,6 @@ static irqreturn_t si1145_trigger_handler(int irq, void *private)
+ struct iio_poll_func *pf = private;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct si1145_data *data = iio_priv(indio_dev);
+- /*
+- * Maximum buffer size:
+- * 6*2 bytes channels data + 4 bytes alignment +
+- * 8 bytes timestamp
+- */
+- u8 buffer[24];
+ int i, j = 0;
+ int ret;
+ u8 irq_status = 0;
+@@ -482,7 +485,7 @@ static irqreturn_t si1145_trigger_handler(int irq, void *private)
+
+ ret = i2c_smbus_read_i2c_block_data_or_emulated(
+ data->client, indio_dev->channels[i].address,
+- sizeof(u16) * run, &buffer[j]);
++ sizeof(u16) * run, &data->buffer[j]);
+ if (ret < 0)
+ goto done;
+ j += run * sizeof(u16);
+@@ -497,7 +500,7 @@ static irqreturn_t si1145_trigger_handler(int irq, void *private)
+ goto done;
+ }
+
+- iio_push_to_buffers_with_timestamp(indio_dev, buffer,
++ iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
+ iio_get_time_ns(indio_dev));
+
+ done:
+diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c
+index 65605e4ef3cf6..1491a9a5c6b06 100644
+--- a/drivers/input/serio/hil_mlc.c
++++ b/drivers/input/serio/hil_mlc.c
+@@ -74,7 +74,7 @@ EXPORT_SYMBOL(hil_mlc_unregister);
+ static LIST_HEAD(hil_mlcs);
+ static DEFINE_RWLOCK(hil_mlcs_lock);
+ static struct timer_list hil_mlcs_kicker;
+-static int hil_mlcs_probe;
++static int hil_mlcs_probe, hil_mlc_stop;
+
+ static void hil_mlcs_process(unsigned long unused);
+ static DECLARE_TASKLET_DISABLED(hil_mlcs_tasklet, hil_mlcs_process, 0);
+@@ -704,9 +704,13 @@ static int hilse_donode(hil_mlc *mlc)
+ if (!mlc->ostarted) {
+ mlc->ostarted = 1;
+ mlc->opacket = pack;
+- mlc->out(mlc);
++ rc = mlc->out(mlc);
+ nextidx = HILSEN_DOZE;
+ write_unlock_irqrestore(&mlc->lock, flags);
++ if (rc) {
++ hil_mlc_stop = 1;
++ return 1;
++ }
+ break;
+ }
+ mlc->ostarted = 0;
+@@ -717,8 +721,13 @@ static int hilse_donode(hil_mlc *mlc)
+
+ case HILSE_CTS:
+ write_lock_irqsave(&mlc->lock, flags);
+- nextidx = mlc->cts(mlc) ? node->bad : node->good;
++ rc = mlc->cts(mlc);
++ nextidx = rc ? node->bad : node->good;
+ write_unlock_irqrestore(&mlc->lock, flags);
++ if (rc) {
++ hil_mlc_stop = 1;
++ return 1;
++ }
+ break;
+
+ default:
+@@ -786,6 +795,12 @@ static void hil_mlcs_process(unsigned long unused)
+
+ static void hil_mlcs_timer(unsigned long data)
+ {
++ if (hil_mlc_stop) {
++ /* could not send packet - stop immediately. */
++ pr_warn(PREFIX "HIL seems stuck - Disabling HIL MLC.\n");
++ return;
++ }
++
+ hil_mlcs_probe = 1;
+ tasklet_schedule(&hil_mlcs_tasklet);
+ /* Re-insert the periodic task. */
+diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c
+index d50f0678bf47a..078cbe6522a2a 100644
+--- a/drivers/input/serio/hp_sdc_mlc.c
++++ b/drivers/input/serio/hp_sdc_mlc.c
+@@ -213,7 +213,7 @@ static int hp_sdc_mlc_cts(hil_mlc *mlc)
+ priv->tseq[2] = 1;
+ priv->tseq[3] = 0;
+ priv->tseq[4] = 0;
+- __hp_sdc_enqueue_transaction(&priv->trans);
++ return __hp_sdc_enqueue_transaction(&priv->trans);
+ busy:
+ return 1;
+ done:
+@@ -222,7 +222,7 @@ static int hp_sdc_mlc_cts(hil_mlc *mlc)
+ return 0;
+ }
+
+-static void hp_sdc_mlc_out(hil_mlc *mlc)
++static int hp_sdc_mlc_out(hil_mlc *mlc)
+ {
+ struct hp_sdc_mlc_priv_s *priv;
+
+@@ -237,7 +237,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc)
+ do_data:
+ if (priv->emtestmode) {
+ up(&mlc->osem);
+- return;
++ return 0;
+ }
+ /* Shouldn't be sending commands when loop may be busy */
+ BUG_ON(down_trylock(&mlc->csem));
+@@ -299,7 +299,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc)
+ BUG_ON(down_trylock(&mlc->csem));
+ }
+ enqueue:
+- hp_sdc_enqueue_transaction(&priv->trans);
++ return hp_sdc_enqueue_transaction(&priv->trans);
+ }
+
+ static int __init hp_sdc_mlc_init(void)
+diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c
+index 1548259297c18..d6d6fb0622b45 100644
+--- a/drivers/leds/leds-bcm6328.c
++++ b/drivers/leds/leds-bcm6328.c
+@@ -336,7 +336,7 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg,
+ led->cdev.brightness_set = bcm6328_led_set;
+ led->cdev.blink_set = bcm6328_blink_set;
+
+- rc = led_classdev_register(dev, &led->cdev);
++ rc = devm_led_classdev_register(dev, &led->cdev);
+ if (rc < 0)
+ return rc;
+
+diff --git a/drivers/leds/leds-bcm6358.c b/drivers/leds/leds-bcm6358.c
+index b2cc06618abed..a86ab6197a4ea 100644
+--- a/drivers/leds/leds-bcm6358.c
++++ b/drivers/leds/leds-bcm6358.c
+@@ -141,7 +141,7 @@ static int bcm6358_led(struct device *dev, struct device_node *nc, u32 reg,
+
+ led->cdev.brightness_set = bcm6358_led_set;
+
+- rc = led_classdev_register(dev, &led->cdev);
++ rc = devm_led_classdev_register(dev, &led->cdev);
+ if (rc < 0)
+ return rc;
+
+diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
+index 63bff4cc70984..863fe19e906e6 100644
+--- a/drivers/md/bitmap.c
++++ b/drivers/md/bitmap.c
+@@ -1339,7 +1339,7 @@ __acquires(bitmap->lock)
+ if (bitmap->bp[page].hijacked ||
+ bitmap->bp[page].map == NULL)
+ csize = ((sector_t)1) << (bitmap->chunkshift +
+- PAGE_COUNTER_SHIFT - 1);
++ PAGE_COUNTER_SHIFT);
+ else
+ csize = ((sector_t)1) << bitmap->chunkshift;
+ *blocks = csize - (offset & (csize - 1));
+diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
+index 30a853b187802..1e9321410bbb6 100644
+--- a/drivers/md/raid5.c
++++ b/drivers/md/raid5.c
+@@ -2259,8 +2259,6 @@ static int resize_stripes(struct r5conf *conf, int newsize)
+ } else
+ err = -ENOMEM;
+
+- mutex_unlock(&conf->cache_size_mutex);
+-
+ conf->slab_cache = sc;
+ conf->active_name = 1-conf->active_name;
+
+@@ -2283,6 +2281,8 @@ static int resize_stripes(struct r5conf *conf, int newsize)
+
+ if (!err)
+ conf->pool_size = newsize;
++ mutex_unlock(&conf->cache_size_mutex);
++
+ return err;
+ }
+
+diff --git a/drivers/media/pci/tw5864/tw5864-video.c b/drivers/media/pci/tw5864/tw5864-video.c
+index 27ff6e0d98453..023ff9ebde5e7 100644
+--- a/drivers/media/pci/tw5864/tw5864-video.c
++++ b/drivers/media/pci/tw5864/tw5864-video.c
+@@ -767,6 +767,9 @@ static int tw5864_enum_frameintervals(struct file *file, void *priv,
+ fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;
+
+ ret = tw5864_frameinterval_get(input, &frameinterval);
++ if (ret)
++ return ret;
++
+ fintv->stepwise.step = frameinterval;
+ fintv->stepwise.min = frameinterval;
+ fintv->stepwise.max = frameinterval;
+@@ -785,6 +788,9 @@ static int tw5864_g_parm(struct file *file, void *priv,
+ cp->capability = V4L2_CAP_TIMEPERFRAME;
+
+ ret = tw5864_frameinterval_get(input, &cp->timeperframe);
++ if (ret)
++ return ret;
++
+ cp->timeperframe.numerator *= input->frame_interval;
+ cp->capturemode = 0;
+ cp->readbuffers = 2;
+diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c
+index 04644e7b42b12..88c32b8dc88a1 100644
+--- a/drivers/memory/emif.c
++++ b/drivers/memory/emif.c
+@@ -165,35 +165,12 @@ static const struct file_operations emif_mr4_fops = {
+
+ static int __init_or_module emif_debugfs_init(struct emif_data *emif)
+ {
+- struct dentry *dentry;
+- int ret;
+-
+- dentry = debugfs_create_dir(dev_name(emif->dev), NULL);
+- if (!dentry) {
+- ret = -ENOMEM;
+- goto err0;
+- }
+- emif->debugfs_root = dentry;
+-
+- dentry = debugfs_create_file("regcache_dump", S_IRUGO,
+- emif->debugfs_root, emif, &emif_regdump_fops);
+- if (!dentry) {
+- ret = -ENOMEM;
+- goto err1;
+- }
+-
+- dentry = debugfs_create_file("mr4", S_IRUGO,
+- emif->debugfs_root, emif, &emif_mr4_fops);
+- if (!dentry) {
+- ret = -ENOMEM;
+- goto err1;
+- }
+-
++ emif->debugfs_root = debugfs_create_dir(dev_name(emif->dev), NULL);
++ debugfs_create_file("regcache_dump", S_IRUGO, emif->debugfs_root, emif,
++ &emif_regdump_fops);
++ debugfs_create_file("mr4", S_IRUGO, emif->debugfs_root, emif,
++ &emif_mr4_fops);
+ return 0;
+-err1:
+- debugfs_remove_recursive(emif->debugfs_root);
+-err0:
+- return ret;
+ }
+
+ static void __exit emif_debugfs_exit(struct emif_data *emif)
+diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
+index e77185e143ab7..32083759b93d0 100644
+--- a/drivers/message/fusion/mptscsih.c
++++ b/drivers/message/fusion/mptscsih.c
+@@ -1176,8 +1176,10 @@ mptscsih_remove(struct pci_dev *pdev)
+
+ scsi_remove_host(host);
+
+- if((hd = shost_priv(host)) == NULL)
+- return;
++ if (host == NULL)
++ hd = NULL;
++ else
++ hd = shost_priv(host);
+
+ mptscsih_shutdown(pdev);
+
+@@ -1193,14 +1195,15 @@ mptscsih_remove(struct pci_dev *pdev)
+ "Free'd ScsiLookup (%d) memory\n",
+ ioc->name, sz1));
+
+- kfree(hd->info_kbuf);
++ if (hd)
++ kfree(hd->info_kbuf);
+
+ /* NULL the Scsi_Host pointer
+ */
+ ioc->sh = NULL;
+
+- scsi_host_put(host);
+-
++ if (host)
++ scsi_host_put(host);
+ mpt_detach(pdev);
+
+ }
+diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
+index 63fac78b3d46a..b455e9cf95afc 100644
+--- a/drivers/mmc/host/via-sdmmc.c
++++ b/drivers/mmc/host/via-sdmmc.c
+@@ -1269,11 +1269,14 @@ static void via_init_sdc_pm(struct via_crdr_mmc_host *host)
+ static int via_sd_suspend(struct pci_dev *pcidev, pm_message_t state)
+ {
+ struct via_crdr_mmc_host *host;
++ unsigned long flags;
+
+ host = pci_get_drvdata(pcidev);
+
++ spin_lock_irqsave(&host->lock, flags);
+ via_save_pcictrlreg(host);
+ via_save_sdcreg(host);
++ spin_unlock_irqrestore(&host->lock, flags);
+
+ pci_save_state(pcidev);
+ pci_enable_wake(pcidev, pci_choose_state(pcidev, state), 0);
+diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
+index a8f74d9bba4ff..545a92eb8f569 100644
+--- a/drivers/mtd/ubi/wl.c
++++ b/drivers/mtd/ubi/wl.c
+@@ -1478,6 +1478,19 @@ int ubi_thread(void *u)
+ !ubi->thread_enabled || ubi_dbg_is_bgt_disabled(ubi)) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ spin_unlock(&ubi->wl_lock);
++
++ /*
++ * Check kthread_should_stop() after we set the task
++ * state to guarantee that we either see the stop bit
++ * and exit or the task state is reset to runnable such
++ * that it's not scheduled out indefinitely and detects
++ * the stop bit at kthread_should_stop().
++ */
++ if (kthread_should_stop()) {
++ set_current_state(TASK_RUNNING);
++ break;
++ }
++
+ schedule();
+ continue;
+ }
+diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
+index 95ab44aa0eeab..2df646348dbd4 100644
+--- a/drivers/net/ethernet/freescale/gianfar.c
++++ b/drivers/net/ethernet/freescale/gianfar.c
+@@ -1385,7 +1385,7 @@ static int gfar_probe(struct platform_device *ofdev)
+
+ if (dev->features & NETIF_F_IP_CSUM ||
+ priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)
+- dev->needed_headroom = GMAC_FCB_LEN;
++ dev->needed_headroom = GMAC_FCB_LEN + GMAC_TXPAL_LEN;
+
+ /* Initializing some of the rx/tx queue level parameters */
+ for (i = 0; i < priv->num_tx_queues; i++) {
+@@ -2367,20 +2367,12 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
+ fcb_len = GMAC_FCB_LEN + GMAC_TXPAL_LEN;
+
+ /* make space for additional header when fcb is needed */
+- if (fcb_len && unlikely(skb_headroom(skb) < fcb_len)) {
+- struct sk_buff *skb_new;
+-
+- skb_new = skb_realloc_headroom(skb, fcb_len);
+- if (!skb_new) {
++ if (fcb_len) {
++ if (unlikely(skb_cow_head(skb, fcb_len))) {
+ dev->stats.tx_errors++;
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+-
+- if (skb->sk)
+- skb_set_owner_w(skb_new, skb->sk);
+- dev_consume_skb_any(skb);
+- skb = skb_new;
+ }
+
+ /* total number of fragments in the SKB */
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
+index 808d924dbe21e..bdf29d0cf4d77 100644
+--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
++++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
+@@ -485,6 +485,9 @@ static void mlxsw_emad_transmit_retry(struct mlxsw_core *mlxsw_core,
+ err = mlxsw_emad_transmit(trans->core, trans);
+ if (err == 0)
+ return;
++
++ if (!atomic_dec_and_test(&trans->active))
++ return;
+ } else {
+ err = -EIO;
+ }
+diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
+index 93d3152752ff4..5452fe4bf12ad 100644
+--- a/drivers/net/ethernet/renesas/ravb_main.c
++++ b/drivers/net/ethernet/renesas/ravb_main.c
+@@ -1729,12 +1729,16 @@ static int ravb_hwtstamp_get(struct net_device *ndev, struct ifreq *req)
+ config.flags = 0;
+ config.tx_type = priv->tstamp_tx_ctrl ? HWTSTAMP_TX_ON :
+ HWTSTAMP_TX_OFF;
+- if (priv->tstamp_rx_ctrl & RAVB_RXTSTAMP_TYPE_V2_L2_EVENT)
++ switch (priv->tstamp_rx_ctrl & RAVB_RXTSTAMP_TYPE) {
++ case RAVB_RXTSTAMP_TYPE_V2_L2_EVENT:
+ config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
+- else if (priv->tstamp_rx_ctrl & RAVB_RXTSTAMP_TYPE_ALL)
++ break;
++ case RAVB_RXTSTAMP_TYPE_ALL:
+ config.rx_filter = HWTSTAMP_FILTER_ALL;
+- else
++ break;
++ default:
+ config.rx_filter = HWTSTAMP_FILTER_NONE;
++ }
+
+ return copy_to_user(req->ifr_data, &config, sizeof(config)) ?
+ -EFAULT : 0;
+diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
+index bba19d068207a..487605d2b389d 100644
+--- a/drivers/net/wan/hdlc_fr.c
++++ b/drivers/net/wan/hdlc_fr.c
+@@ -275,63 +275,69 @@ static inline struct net_device **get_dev_p(struct pvc_device *pvc,
+
+ static int fr_hard_header(struct sk_buff **skb_p, u16 dlci)
+ {
+- u16 head_len;
+ struct sk_buff *skb = *skb_p;
+
+- switch (skb->protocol) {
+- case cpu_to_be16(NLPID_CCITT_ANSI_LMI):
+- head_len = 4;
+- skb_push(skb, head_len);
+- skb->data[3] = NLPID_CCITT_ANSI_LMI;
+- break;
+-
+- case cpu_to_be16(NLPID_CISCO_LMI):
+- head_len = 4;
+- skb_push(skb, head_len);
+- skb->data[3] = NLPID_CISCO_LMI;
+- break;
+-
+- case cpu_to_be16(ETH_P_IP):
+- head_len = 4;
+- skb_push(skb, head_len);
+- skb->data[3] = NLPID_IP;
+- break;
+-
+- case cpu_to_be16(ETH_P_IPV6):
+- head_len = 4;
+- skb_push(skb, head_len);
+- skb->data[3] = NLPID_IPV6;
+- break;
+-
+- case cpu_to_be16(ETH_P_802_3):
+- head_len = 10;
+- if (skb_headroom(skb) < head_len) {
+- struct sk_buff *skb2 = skb_realloc_headroom(skb,
+- head_len);
++ if (!skb->dev) { /* Control packets */
++ switch (dlci) {
++ case LMI_CCITT_ANSI_DLCI:
++ skb_push(skb, 4);
++ skb->data[3] = NLPID_CCITT_ANSI_LMI;
++ break;
++
++ case LMI_CISCO_DLCI:
++ skb_push(skb, 4);
++ skb->data[3] = NLPID_CISCO_LMI;
++ break;
++
++ default:
++ return -EINVAL;
++ }
++
++ } else if (skb->dev->type == ARPHRD_DLCI) {
++ switch (skb->protocol) {
++ case htons(ETH_P_IP):
++ skb_push(skb, 4);
++ skb->data[3] = NLPID_IP;
++ break;
++
++ case htons(ETH_P_IPV6):
++ skb_push(skb, 4);
++ skb->data[3] = NLPID_IPV6;
++ break;
++
++ default:
++ skb_push(skb, 10);
++ skb->data[3] = FR_PAD;
++ skb->data[4] = NLPID_SNAP;
++ /* OUI 00-00-00 indicates an Ethertype follows */
++ skb->data[5] = 0x00;
++ skb->data[6] = 0x00;
++ skb->data[7] = 0x00;
++ /* This should be an Ethertype: */
++ *(__be16 *)(skb->data + 8) = skb->protocol;
++ }
++
++ } else if (skb->dev->type == ARPHRD_ETHER) {
++ if (skb_headroom(skb) < 10) {
++ struct sk_buff *skb2 = skb_realloc_headroom(skb, 10);
+ if (!skb2)
+ return -ENOBUFS;
+ dev_kfree_skb(skb);
+ skb = *skb_p = skb2;
+ }
+- skb_push(skb, head_len);
++ skb_push(skb, 10);
+ skb->data[3] = FR_PAD;
+ skb->data[4] = NLPID_SNAP;
+- skb->data[5] = FR_PAD;
++ /* OUI 00-80-C2 stands for the 802.1 organization */
++ skb->data[5] = 0x00;
+ skb->data[6] = 0x80;
+ skb->data[7] = 0xC2;
++ /* PID 00-07 stands for Ethernet frames without FCS */
+ skb->data[8] = 0x00;
+- skb->data[9] = 0x07; /* bridged Ethernet frame w/out FCS */
+- break;
++ skb->data[9] = 0x07;
+
+- default:
+- head_len = 10;
+- skb_push(skb, head_len);
+- skb->data[3] = FR_PAD;
+- skb->data[4] = NLPID_SNAP;
+- skb->data[5] = FR_PAD;
+- skb->data[6] = FR_PAD;
+- skb->data[7] = FR_PAD;
+- *(__be16*)(skb->data + 8) = skb->protocol;
++ } else {
++ return -EINVAL;
+ }
+
+ dlci_to_q922(skb->data, dlci);
+@@ -427,8 +433,8 @@ static netdev_tx_t pvc_xmit(struct sk_buff *skb, struct net_device *dev)
+ skb_put(skb, pad);
+ memset(skb->data + len, 0, pad);
+ }
+- skb->protocol = cpu_to_be16(ETH_P_802_3);
+ }
++ skb->dev = dev;
+ if (!fr_hard_header(&skb, pvc->dlci)) {
+ dev->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+@@ -496,10 +502,8 @@ static void fr_lmi_send(struct net_device *dev, int fullrep)
+ memset(skb->data, 0, len);
+ skb_reserve(skb, 4);
+ if (lmi == LMI_CISCO) {
+- skb->protocol = cpu_to_be16(NLPID_CISCO_LMI);
+ fr_hard_header(&skb, LMI_CISCO_DLCI);
+ } else {
+- skb->protocol = cpu_to_be16(NLPID_CCITT_ANSI_LMI);
+ fr_hard_header(&skb, LMI_CCITT_ANSI_DLCI);
+ }
+ data = skb_tail_pointer(skb);
+diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
+index fce2064ebc469..3cbc71fa70d18 100644
+--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
++++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
+@@ -620,6 +620,7 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar,
+ u8 preamble = 0;
+ u8 group_id;
+ u32 info1, info2, info3;
++ u32 stbc, nsts_su;
+
+ info1 = __le32_to_cpu(rxd->ppdu_start.info1);
+ info2 = __le32_to_cpu(rxd->ppdu_start.info2);
+@@ -663,11 +664,16 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar,
+ TODO check this */
+ bw = info2 & 3;
+ sgi = info3 & 1;
++ stbc = (info2 >> 3) & 1;
+ group_id = (info2 >> 4) & 0x3F;
+
+ if (GROUP_ID_IS_SU_MIMO(group_id)) {
+ mcs = (info3 >> 4) & 0x0F;
+- nss = ((info2 >> 10) & 0x07) + 1;
++ nsts_su = ((info2 >> 10) & 0x07);
++ if (stbc)
++ nss = (nsts_su >> 2) + 1;
++ else
++ nss = (nsts_su + 1);
+ } else {
+ /* Hardware doesn't decode VHT-SIG-B into Rx descriptor
+ * so it's impossible to decode MCS. Also since
+diff --git a/drivers/net/wireless/intersil/p54/p54pci.c b/drivers/net/wireless/intersil/p54/p54pci.c
+index 57ad56435dda5..8bc0286b4f8c1 100644
+--- a/drivers/net/wireless/intersil/p54/p54pci.c
++++ b/drivers/net/wireless/intersil/p54/p54pci.c
+@@ -332,10 +332,12 @@ static void p54p_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+ struct p54p_desc *desc;
+ dma_addr_t mapping;
+ u32 idx, i;
++ __le32 device_addr;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ idx = le32_to_cpu(ring_control->host_idx[1]);
+ i = idx % ARRAY_SIZE(ring_control->tx_data);
++ device_addr = ((struct p54_hdr *)skb->data)->req_id;
+
+ mapping = pci_map_single(priv->pdev, skb->data, skb->len,
+ PCI_DMA_TODEVICE);
+@@ -349,7 +351,7 @@ static void p54p_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+
+ desc = &ring_control->tx_data[i];
+ desc->host_addr = cpu_to_le32(mapping);
+- desc->device_addr = ((struct p54_hdr *)skb->data)->req_id;
++ desc->device_addr = device_addr;
+ desc->len = cpu_to_le16(skb->len);
+ desc->flags = 0;
+
+diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
+index 366d8c3c79893..f15bb936dfd84 100644
+--- a/drivers/of/of_reserved_mem.c
++++ b/drivers/of/of_reserved_mem.c
+@@ -222,6 +222,16 @@ static int __init __rmem_cmp(const void *a, const void *b)
+ if (ra->base > rb->base)
+ return 1;
+
++ /*
++ * Put the dynamic allocations (address == 0, size == 0) before static
++ * allocations at address 0x0 so that overlap detection works
++ * correctly.
++ */
++ if (ra->size < rb->size)
++ return -1;
++ if (ra->size > rb->size)
++ return 1;
++
+ return 0;
+ }
+
+@@ -239,8 +249,7 @@ static void __init __rmem_check_for_overlap(void)
+
+ this = &reserved_mem[i];
+ next = &reserved_mem[i + 1];
+- if (!(this->base && next->base))
+- continue;
++
+ if (this->base + this->size > next->base) {
+ phys_addr_t this_end, next_end;
+
+diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c
+index 57246cdbd0426..925abec45380f 100644
+--- a/drivers/power/supply/test_power.c
++++ b/drivers/power/supply/test_power.c
+@@ -344,6 +344,7 @@ static int param_set_ac_online(const char *key, const struct kernel_param *kp)
+ static int param_get_ac_online(char *buffer, const struct kernel_param *kp)
+ {
+ strcpy(buffer, map_get_key(map_ac_online, ac_online, "unknown"));
++ strcat(buffer, "\n");
+ return strlen(buffer);
+ }
+
+@@ -357,6 +358,7 @@ static int param_set_usb_online(const char *key, const struct kernel_param *kp)
+ static int param_get_usb_online(char *buffer, const struct kernel_param *kp)
+ {
+ strcpy(buffer, map_get_key(map_ac_online, usb_online, "unknown"));
++ strcat(buffer, "\n");
+ return strlen(buffer);
+ }
+
+@@ -371,6 +373,7 @@ static int param_set_battery_status(const char *key,
+ static int param_get_battery_status(char *buffer, const struct kernel_param *kp)
+ {
+ strcpy(buffer, map_get_key(map_status, battery_status, "unknown"));
++ strcat(buffer, "\n");
+ return strlen(buffer);
+ }
+
+@@ -385,6 +388,7 @@ static int param_set_battery_health(const char *key,
+ static int param_get_battery_health(char *buffer, const struct kernel_param *kp)
+ {
+ strcpy(buffer, map_get_key(map_health, battery_health, "unknown"));
++ strcat(buffer, "\n");
+ return strlen(buffer);
+ }
+
+@@ -400,6 +404,7 @@ static int param_get_battery_present(char *buffer,
+ const struct kernel_param *kp)
+ {
+ strcpy(buffer, map_get_key(map_present, battery_present, "unknown"));
++ strcat(buffer, "\n");
+ return strlen(buffer);
+ }
+
+@@ -417,6 +422,7 @@ static int param_get_battery_technology(char *buffer,
+ {
+ strcpy(buffer,
+ map_get_key(map_technology, battery_technology, "unknown"));
++ strcat(buffer, "\n");
+ return strlen(buffer);
+ }
+
+diff --git a/drivers/rtc/rtc-rx8010.c b/drivers/rtc/rtc-rx8010.c
+index d08da371912cd..93b1d8d9d2e93 100644
+--- a/drivers/rtc/rtc-rx8010.c
++++ b/drivers/rtc/rtc-rx8010.c
+@@ -423,16 +423,26 @@ static int rx8010_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+ }
+ }
+
+-static struct rtc_class_ops rx8010_rtc_ops = {
++static const struct rtc_class_ops rx8010_rtc_ops_default = {
+ .read_time = rx8010_get_time,
+ .set_time = rx8010_set_time,
+ .ioctl = rx8010_ioctl,
+ };
+
++static const struct rtc_class_ops rx8010_rtc_ops_alarm = {
++ .read_time = rx8010_get_time,
++ .set_time = rx8010_set_time,
++ .ioctl = rx8010_ioctl,
++ .read_alarm = rx8010_read_alarm,
++ .set_alarm = rx8010_set_alarm,
++ .alarm_irq_enable = rx8010_alarm_irq_enable,
++};
++
+ static int rx8010_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+ {
+ struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
++ const struct rtc_class_ops *rtc_ops;
+ struct rx8010_data *rx8010;
+ int err = 0;
+
+@@ -463,16 +473,16 @@ static int rx8010_probe(struct i2c_client *client,
+
+ if (err) {
+ dev_err(&client->dev, "unable to request IRQ\n");
+- client->irq = 0;
+- } else {
+- rx8010_rtc_ops.read_alarm = rx8010_read_alarm;
+- rx8010_rtc_ops.set_alarm = rx8010_set_alarm;
+- rx8010_rtc_ops.alarm_irq_enable = rx8010_alarm_irq_enable;
++ return err;
+ }
++
++ rtc_ops = &rx8010_rtc_ops_alarm;
++ } else {
++ rtc_ops = &rx8010_rtc_ops_default;
+ }
+
+ rx8010->rtc = devm_rtc_device_register(&client->dev, client->name,
+- &rx8010_rtc_ops, THIS_MODULE);
++ rtc_ops, THIS_MODULE);
+
+ if (IS_ERR(rx8010->rtc)) {
+ dev_err(&client->dev, "unable to register the class device\n");
+diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
+index 67f6f134abc44..397deb69c6595 100644
+--- a/drivers/scsi/scsi_scan.c
++++ b/drivers/scsi/scsi_scan.c
+@@ -1734,15 +1734,16 @@ static void scsi_sysfs_add_devices(struct Scsi_Host *shost)
+ */
+ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)
+ {
+- struct async_scan_data *data;
++ struct async_scan_data *data = NULL;
+ unsigned long flags;
+
+ if (strncmp(scsi_scan_type, "sync", 4) == 0)
+ return NULL;
+
++ mutex_lock(&shost->scan_mutex);
+ if (shost->async_scan) {
+ shost_printk(KERN_DEBUG, shost, "%s called twice\n", __func__);
+- return NULL;
++ goto err;
+ }
+
+ data = kmalloc(sizeof(*data), GFP_KERNEL);
+@@ -1753,7 +1754,6 @@ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)
+ goto err;
+ init_completion(&data->prev_finished);
+
+- mutex_lock(&shost->scan_mutex);
+ spin_lock_irqsave(shost->host_lock, flags);
+ shost->async_scan = 1;
+ spin_unlock_irqrestore(shost->host_lock, flags);
+@@ -1768,6 +1768,7 @@ static struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost)
+ return data;
+
+ err:
++ mutex_unlock(&shost->scan_mutex);
+ kfree(data);
+ return NULL;
+ }
+diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
+index 3cd008acb657a..3ea15bb0e56ef 100644
+--- a/drivers/staging/comedi/drivers/cb_pcidas.c
++++ b/drivers/staging/comedi/drivers/cb_pcidas.c
+@@ -1351,6 +1351,7 @@ static int cb_pcidas_auto_attach(struct comedi_device *dev,
+ if (dev->irq && board->has_ao_fifo) {
+ dev->write_subdev = s;
+ s->subdev_flags |= SDF_CMD_WRITE;
++ s->len_chanlist = s->n_chan;
+ s->do_cmdtest = cb_pcidas_ao_cmdtest;
+ s->do_cmd = cb_pcidas_ao_cmd;
+ s->cancel = cb_pcidas_ao_cancel;
+diff --git a/drivers/staging/fsl-mc/bus/mc-io.c b/drivers/staging/fsl-mc/bus/mc-io.c
+index 798c965fe2033..3fa6774946fae 100644
+--- a/drivers/staging/fsl-mc/bus/mc-io.c
++++ b/drivers/staging/fsl-mc/bus/mc-io.c
+@@ -167,7 +167,12 @@ error_destroy_mc_io:
+ */
+ void fsl_destroy_mc_io(struct fsl_mc_io *mc_io)
+ {
+- struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev;
++ struct fsl_mc_device *dpmcp_dev;
++
++ if (!mc_io)
++ return;
++
++ dpmcp_dev = mc_io->dpmcp_dev;
+
+ if (dpmcp_dev)
+ fsl_mc_io_unset_dpmcp(mc_io);
+diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c
+index 691e4a51ace43..99f45012bc3f8 100644
+--- a/drivers/staging/octeon/ethernet-mdio.c
++++ b/drivers/staging/octeon/ethernet-mdio.c
+@@ -155,12 +155,6 @@ int cvm_oct_phy_setup_device(struct net_device *dev)
+
+ phy_node = of_parse_phandle(priv->of_node, "phy-handle", 0);
+ if (!phy_node && of_phy_is_fixed_link(priv->of_node)) {
+- int rc;
+-
+- rc = of_phy_register_fixed_link(priv->of_node);
+- if (rc)
+- return rc;
+-
+ phy_node = of_node_get(priv->of_node);
+ }
+ if (!phy_node)
+diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
+index f0900d1c4d7b5..47a195921f3c9 100644
+--- a/drivers/staging/octeon/ethernet-rx.c
++++ b/drivers/staging/octeon/ethernet-rx.c
+@@ -83,15 +83,17 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
+ else
+ port = work->word1.cn38xx.ipprt;
+
+- if ((work->word2.snoip.err_code == 10) && (work->word1.len <= 64)) {
++ if ((work->word2.snoip.err_code == 10) && (work->word1.len <= 64))
+ /*
+ * Ignore length errors on min size packets. Some
+ * equipment incorrectly pads packets to 64+4FCS
+ * instead of 60+4FCS. Note these packets still get
+ * counted as frame errors.
+ */
+- } else if (work->word2.snoip.err_code == 5 ||
+- work->word2.snoip.err_code == 7) {
++ return 0;
++
++ if (work->word2.snoip.err_code == 5 ||
++ work->word2.snoip.err_code == 7) {
+ /*
+ * We received a packet with either an alignment error
+ * or a FCS error. This may be signalling that we are
+@@ -122,7 +124,10 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
+ /* Port received 0xd5 preamble */
+ work->packet_ptr.s.addr += i + 1;
+ work->word1.len -= i + 5;
+- } else if ((*ptr & 0xf) == 0xd) {
++ return 0;
++ }
++
++ if ((*ptr & 0xf) == 0xd) {
+ /* Port received 0xd preamble */
+ work->packet_ptr.s.addr += i;
+ work->word1.len -= i + 4;
+@@ -132,21 +137,20 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
+ ((*(ptr + 1) & 0xf) << 4);
+ ptr++;
+ }
+- } else {
+- printk_ratelimited("Port %d unknown preamble, packet dropped\n",
+- port);
+- cvm_oct_free_work(work);
+- return 1;
++ return 0;
+ }
++
++ printk_ratelimited("Port %d unknown preamble, packet dropped\n",
++ port);
++ cvm_oct_free_work(work);
++ return 1;
+ }
+- } else {
+- printk_ratelimited("Port %d receive error code %d, packet dropped\n",
+- port, work->word2.snoip.err_code);
+- cvm_oct_free_work(work);
+- return 1;
+ }
+
+- return 0;
++ printk_ratelimited("Port %d receive error code %d, packet dropped\n",
++ port, work->word2.snoip.err_code);
++ cvm_oct_free_work(work);
++ return 1;
+ }
+
+ static int cvm_oct_poll(struct oct_rx_group *rx_group, int budget)
+diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
+index 12354440a334a..7601b800de077 100644
+--- a/drivers/staging/octeon/ethernet.c
++++ b/drivers/staging/octeon/ethernet.c
+@@ -16,6 +16,7 @@
+ #include <linux/phy.h>
+ #include <linux/slab.h>
+ #include <linux/interrupt.h>
++#include <linux/of_mdio.h>
+ #include <linux/of_net.h>
+ #include <linux/if_ether.h>
+ #include <linux/if_vlan.h>
+@@ -880,6 +881,14 @@ static int cvm_oct_probe(struct platform_device *pdev)
+ break;
+ }
+
++ if (priv->of_node && of_phy_is_fixed_link(priv->of_node)) {
++ if (of_phy_register_fixed_link(priv->of_node)) {
++ netdev_err(dev, "Failed to register fixed link for interface %d, port %d\n",
++ interface, priv->port);
++ dev->netdev_ops = NULL;
++ }
++ }
++
+ if (!dev->netdev_ops) {
+ free_netdev(dev);
+ } else if (register_netdev(dev) < 0) {
+diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
+index c54f57e4a7dd6..d7421f0f857b9 100644
+--- a/drivers/tty/serial/8250/8250_mtk.c
++++ b/drivers/tty/serial/8250/8250_mtk.c
+@@ -56,7 +56,7 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios,
+ */
+ baud = tty_termios_baud_rate(termios);
+
+- serial8250_do_set_termios(port, termios, old);
++ serial8250_do_set_termios(port, termios, NULL);
+
+ tty_termios_encode_baud_rate(termios, baud, baud);
+
+diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
+index f80312eed4fda..ffb3fb1bda9e7 100644
+--- a/drivers/tty/serial/serial_txx9.c
++++ b/drivers/tty/serial/serial_txx9.c
+@@ -1287,6 +1287,9 @@ static int __init serial_txx9_init(void)
+
+ #ifdef ENABLE_SERIAL_TXX9_PCI
+ ret = pci_register_driver(&serial_txx9_pci_driver);
++ if (ret) {
++ platform_driver_unregister(&serial_txx9_plat_driver);
++ }
+ #endif
+ if (ret == 0)
+ goto out;
+diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
+index d9eba79389176..4bc6261ef3c1a 100644
+--- a/drivers/tty/vt/keyboard.c
++++ b/drivers/tty/vt/keyboard.c
+@@ -712,8 +712,13 @@ static void k_fn(struct vc_data *vc, unsigned char value, char up_flag)
+ return;
+
+ if ((unsigned)value < ARRAY_SIZE(func_table)) {
++ unsigned long flags;
++
++ spin_lock_irqsave(&func_buf_lock, flags);
+ if (func_table[value])
+ puts_queue(vc, func_table[value]);
++ spin_unlock_irqrestore(&func_buf_lock, flags);
++
+ } else
+ pr_err("k_fn called with value=%d\n", value);
+ }
+@@ -1959,13 +1964,11 @@ out:
+ #undef s
+ #undef v
+
+-/* FIXME: This one needs untangling and locking */
++/* FIXME: This one needs untangling */
+ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
+ {
+ struct kbsentry *kbs;
+- char *p;
+ u_char *q;
+- u_char __user *up;
+ int sz, fnw_sz;
+ int delta;
+ char *first_free, *fj, *fnw;
+@@ -1991,23 +1994,19 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm)
+ i = kbs->kb_func;
+
+ switch (cmd) {
+- case KDGKBSENT:
+- sz = sizeof(kbs->kb_string) - 1; /* sz should have been
+- a struct member */
+- up = user_kdgkb->kb_string;
+- p = func_table[i];
+- if(p)
+- for ( ; *p && sz; p++, sz--)
+- if (put_user(*p, up++)) {
+- ret = -EFAULT;
+- goto reterr;
+- }
+- if (put_user('\0', up)) {
+- ret = -EFAULT;
+- goto reterr;
+- }
+- kfree(kbs);
+- return ((p && *p) ? -EOVERFLOW : 0);
++ case KDGKBSENT: {
++ /* size should have been a struct member */
++ ssize_t len = sizeof(user_kdgkb->kb_string);
++
++ spin_lock_irqsave(&func_buf_lock, flags);
++ len = strlcpy(kbs->kb_string, func_table[i] ? : "", len);
++ spin_unlock_irqrestore(&func_buf_lock, flags);
++
++ ret = copy_to_user(user_kdgkb->kb_string, kbs->kb_string,
++ len + 1) ? -EFAULT : 0;
++
++ goto reterr;
++ }
+ case KDSKBSENT:
+ if (!perm) {
+ ret = -EPERM;
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
+index 1f00f42213c27..2fa7527b1230e 100644
+--- a/drivers/tty/vt/vt.c
++++ b/drivers/tty/vt/vt.c
+@@ -4235,27 +4235,6 @@ static int con_font_default(struct vc_data *vc, struct console_font_op *op)
+ return rc;
+ }
+
+-static int con_font_copy(struct vc_data *vc, struct console_font_op *op)
+-{
+- int con = op->height;
+- int rc;
+-
+-
+- console_lock();
+- if (vc->vc_mode != KD_TEXT)
+- rc = -EINVAL;
+- else if (!vc->vc_sw->con_font_copy)
+- rc = -ENOSYS;
+- else if (con < 0 || !vc_cons_allocated(con))
+- rc = -ENOTTY;
+- else if (con == vc->vc_num) /* nothing to do */
+- rc = 0;
+- else
+- rc = vc->vc_sw->con_font_copy(vc, con);
+- console_unlock();
+- return rc;
+-}
+-
+ int con_font_op(struct vc_data *vc, struct console_font_op *op)
+ {
+ switch (op->op) {
+@@ -4266,7 +4245,8 @@ int con_font_op(struct vc_data *vc, struct console_font_op *op)
+ case KD_FONT_OP_SET_DEFAULT:
+ return con_font_default(vc, op);
+ case KD_FONT_OP_COPY:
+- return con_font_copy(vc, op);
++ /* was buggy and never really used */
++ return -EINVAL;
+ }
+ return -ENOSYS;
+ }
+diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
+index 78a3b969cae71..275ec49b30b9f 100644
+--- a/drivers/tty/vt/vt_ioctl.c
++++ b/drivers/tty/vt/vt_ioctl.c
+@@ -243,7 +243,7 @@ int vt_waitactive(int n)
+
+
+ static inline int
+-do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struct console_font_op *op)
++do_fontx_ioctl(struct vc_data *vc, int cmd, struct consolefontdesc __user *user_cfd, int perm, struct console_font_op *op)
+ {
+ struct consolefontdesc cfdarg;
+ int i;
+@@ -261,15 +261,16 @@ do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struc
+ op->height = cfdarg.charheight;
+ op->charcount = cfdarg.charcount;
+ op->data = cfdarg.chardata;
+- return con_font_op(vc_cons[fg_console].d, op);
+- case GIO_FONTX: {
++ return con_font_op(vc, op);
++
++ case GIO_FONTX:
+ op->op = KD_FONT_OP_GET;
+ op->flags = KD_FONT_FLAG_OLD;
+ op->width = 8;
+ op->height = cfdarg.charheight;
+ op->charcount = cfdarg.charcount;
+ op->data = cfdarg.chardata;
+- i = con_font_op(vc_cons[fg_console].d, op);
++ i = con_font_op(vc, op);
+ if (i)
+ return i;
+ cfdarg.charheight = op->height;
+@@ -277,7 +278,6 @@ do_fontx_ioctl(int cmd, struct consolefontdesc __user *user_cfd, int perm, struc
+ if (copy_to_user(user_cfd, &cfdarg, sizeof(struct consolefontdesc)))
+ return -EFAULT;
+ return 0;
+- }
+ }
+ return -EINVAL;
+ }
+@@ -927,7 +927,7 @@ int vt_ioctl(struct tty_struct *tty,
+ op.height = 0;
+ op.charcount = 256;
+ op.data = up;
+- ret = con_font_op(vc_cons[fg_console].d, &op);
++ ret = con_font_op(vc, &op);
+ break;
+ }
+
+@@ -938,7 +938,7 @@ int vt_ioctl(struct tty_struct *tty,
+ op.height = 32;
+ op.charcount = 256;
+ op.data = up;
+- ret = con_font_op(vc_cons[fg_console].d, &op);
++ ret = con_font_op(vc, &op);
+ break;
+ }
+
+@@ -955,7 +955,7 @@ int vt_ioctl(struct tty_struct *tty,
+
+ case PIO_FONTX:
+ case GIO_FONTX:
+- ret = do_fontx_ioctl(cmd, up, perm, &op);
++ ret = do_fontx_ioctl(vc, cmd, up, perm, &op);
+ break;
+
+ case PIO_FONTRESET:
+@@ -972,11 +972,11 @@ int vt_ioctl(struct tty_struct *tty,
+ {
+ op.op = KD_FONT_OP_SET_DEFAULT;
+ op.data = NULL;
+- ret = con_font_op(vc_cons[fg_console].d, &op);
++ ret = con_font_op(vc, &op);
+ if (ret)
+ break;
+ console_lock();
+- con_set_default_unimap(vc_cons[fg_console].d);
++ con_set_default_unimap(vc);
+ console_unlock();
+ break;
+ }
+@@ -1103,8 +1103,9 @@ struct compat_consolefontdesc {
+ };
+
+ static inline int
+-compat_fontx_ioctl(int cmd, struct compat_consolefontdesc __user *user_cfd,
+- int perm, struct console_font_op *op)
++compat_fontx_ioctl(struct vc_data *vc, int cmd,
++ struct compat_consolefontdesc __user *user_cfd,
++ int perm, struct console_font_op *op)
+ {
+ struct compat_consolefontdesc cfdarg;
+ int i;
+@@ -1122,7 +1123,8 @@ compat_fontx_ioctl(int cmd, struct compat_consolefontdesc __user *user_cfd,
+ op->height = cfdarg.charheight;
+ op->charcount = cfdarg.charcount;
+ op->data = compat_ptr(cfdarg.chardata);
+- return con_font_op(vc_cons[fg_console].d, op);
++ return con_font_op(vc, op);
++
+ case GIO_FONTX:
+ op->op = KD_FONT_OP_GET;
+ op->flags = KD_FONT_FLAG_OLD;
+@@ -1130,7 +1132,7 @@ compat_fontx_ioctl(int cmd, struct compat_consolefontdesc __user *user_cfd,
+ op->height = cfdarg.charheight;
+ op->charcount = cfdarg.charcount;
+ op->data = compat_ptr(cfdarg.chardata);
+- i = con_font_op(vc_cons[fg_console].d, op);
++ i = con_font_op(vc, op);
+ if (i)
+ return i;
+ cfdarg.charheight = op->height;
+@@ -1225,7 +1227,7 @@ long vt_compat_ioctl(struct tty_struct *tty,
+ */
+ case PIO_FONTX:
+ case GIO_FONTX:
+- ret = compat_fontx_ioctl(cmd, up, perm, &op);
++ ret = compat_fontx_ioctl(vc, cmd, up, perm, &op);
+ break;
+
+ case KDFONTOP:
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index dd72e85f2e176..ca74b67c4450d 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -217,6 +217,9 @@ static const struct usb_device_id usb_quirk_list[] = {
+ { USB_DEVICE(0x0926, 0x3333), .driver_info =
+ USB_QUIRK_CONFIG_INTF_STRINGS },
+
++ /* Kingston DataTraveler 3.0 */
++ { USB_DEVICE(0x0951, 0x1666), .driver_info = USB_QUIRK_NO_LPM },
++
+ /* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
+ { USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },
+
+diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
+index a89072f3bd3fb..66254500e7a94 100644
+--- a/drivers/usb/dwc3/core.c
++++ b/drivers/usb/dwc3/core.c
+@@ -1148,6 +1148,17 @@ static int dwc3_probe(struct platform_device *pdev)
+
+ err5:
+ dwc3_event_buffers_cleanup(dwc);
++
++ usb_phy_shutdown(dwc->usb2_phy);
++ usb_phy_shutdown(dwc->usb3_phy);
++ phy_exit(dwc->usb2_generic_phy);
++ phy_exit(dwc->usb3_generic_phy);
++
++ usb_phy_set_suspend(dwc->usb2_phy, 1);
++ usb_phy_set_suspend(dwc->usb3_phy, 1);
++ phy_power_off(dwc->usb2_generic_phy);
++ phy_power_off(dwc->usb3_generic_phy);
++
+ dwc3_ulpi_exit(dwc);
+
+ err4:
+@@ -1194,9 +1205,9 @@ static int dwc3_remove(struct platform_device *pdev)
+ dwc3_core_exit(dwc);
+ dwc3_ulpi_exit(dwc);
+
+- pm_runtime_put_sync(&pdev->dev);
+- pm_runtime_allow(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
++ pm_runtime_put_noidle(&pdev->dev);
++ pm_runtime_set_suspended(&pdev->dev);
+
+ dwc3_free_event_buffers(dwc);
+ dwc3_free_scratch_buffers(dwc);
+diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
+index f07ccb25bc244..6f006cbf1f839 100644
+--- a/drivers/usb/host/fsl-mph-dr-of.c
++++ b/drivers/usb/host/fsl-mph-dr-of.c
+@@ -98,10 +98,13 @@ static struct platform_device *fsl_usb2_device_register(
+
+ pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
+
+- if (!pdev->dev.dma_mask)
++ if (!pdev->dev.dma_mask) {
+ pdev->dev.dma_mask = &ofdev->dev.coherent_dma_mask;
+- else
+- dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
++ } else {
++ retval = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
++ if (retval)
++ goto error;
++ }
+
+ retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
+ if (retval)
+diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
+index 7fb0590187d40..a1bc516be154d 100644
+--- a/drivers/usb/misc/adutux.c
++++ b/drivers/usb/misc/adutux.c
+@@ -210,6 +210,7 @@ static void adu_interrupt_out_callback(struct urb *urb)
+
+ if (status != 0) {
+ if ((status != -ENOENT) &&
++ (status != -ESHUTDOWN) &&
+ (status != -ECONNRESET)) {
+ dev_dbg(&dev->udev->dev,
+ "%s :nonzero status received: %d\n", __func__,
+diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
+index 80260b08398b2..b22a7b487a9f9 100644
+--- a/drivers/usb/serial/cyberjack.c
++++ b/drivers/usb/serial/cyberjack.c
+@@ -367,11 +367,12 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
+ struct cyberjack_private *priv = usb_get_serial_port_data(port);
+ struct device *dev = &port->dev;
+ int status = urb->status;
++ bool resubmitted = false;
+
+- set_bit(0, &port->write_urbs_free);
+ if (status) {
+ dev_dbg(dev, "%s - nonzero write bulk status received: %d\n",
+ __func__, status);
++ set_bit(0, &port->write_urbs_free);
+ return;
+ }
+
+@@ -404,6 +405,8 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
+ goto exit;
+ }
+
++ resubmitted = true;
++
+ dev_dbg(dev, "%s - priv->wrsent=%d\n", __func__, priv->wrsent);
+ dev_dbg(dev, "%s - priv->wrfilled=%d\n", __func__, priv->wrfilled);
+
+@@ -420,6 +423,8 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
+
+ exit:
+ spin_unlock(&priv->lock);
++ if (!resubmitted)
++ set_bit(0, &port->write_urbs_free);
+ usb_serial_port_softint(port);
+ }
+
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index 5017d37afe392..34ac1265afe46 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -1174,6 +1174,8 @@ static const struct usb_device_id option_ids[] = {
+ .driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1054, 0xff), /* Telit FT980-KS */
+ .driver_info = NCTRL(2) | RSVD(3) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1055, 0xff), /* Telit FN980 (PCIe) */
++ .driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
+@@ -1186,6 +1188,8 @@ static const struct usb_device_id option_ids[] = {
+ .driver_info = NCTRL(0) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1203, 0xff), /* Telit LE910Cx (RNDIS) */
++ .driver_info = NCTRL(2) | RSVD(3) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4),
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920),
+@@ -1200,6 +1204,10 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214),
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1230, 0xff), /* Telit LE910Cx (rmnet) */
++ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1231, 0xff), /* Telit LE910Cx (RNDIS) */
++ .driver_info = NCTRL(2) | RSVD(3) },
+ { USB_DEVICE(TELIT_VENDOR_ID, 0x1260),
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+ { USB_DEVICE(TELIT_VENDOR_ID, 0x1261),
+diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
+index 3bb02c60a2f5f..d56736655dec4 100644
+--- a/drivers/vhost/vringh.c
++++ b/drivers/vhost/vringh.c
+@@ -272,13 +272,14 @@ __vringh_iov(struct vringh *vrh, u16 i,
+ desc_max = vrh->vring.num;
+ up_next = -1;
+
++ /* You must want something! */
++ if (WARN_ON(!riov && !wiov))
++ return -EINVAL;
++
+ if (riov)
+ riov->i = riov->used = 0;
+- else if (wiov)
++ if (wiov)
+ wiov->i = wiov->used = 0;
+- else
+- /* You must want something! */
+- BUG();
+
+ for (;;) {
+ void *addr;
+diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c
+index a2564ab91e62d..27478ffeeacdc 100644
+--- a/drivers/video/fbdev/pvr2fb.c
++++ b/drivers/video/fbdev/pvr2fb.c
+@@ -1029,6 +1029,8 @@ static int __init pvr2fb_setup(char *options)
+ if (!options || !*options)
+ return 0;
+
++ cable_arg[0] = output_arg[0] = 0;
++
+ while ((this_opt = strsep(&options, ","))) {
+ if (!*this_opt)
+ continue;
+diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
+index dacb5919970c5..d2e9d2f6a7843 100644
+--- a/drivers/w1/masters/mxc_w1.c
++++ b/drivers/w1/masters/mxc_w1.c
+@@ -15,7 +15,7 @@
+ #include <linux/clk.h>
+ #include <linux/delay.h>
+ #include <linux/io.h>
+-#include <linux/jiffies.h>
++#include <linux/ktime.h>
+ #include <linux/module.h>
+ #include <linux/platform_device.h>
+
+@@ -48,12 +48,12 @@ struct mxc_w1_device {
+ static u8 mxc_w1_ds2_reset_bus(void *data)
+ {
+ struct mxc_w1_device *dev = data;
+- unsigned long timeout;
++ ktime_t timeout;
+
+ writeb(MXC_W1_CONTROL_RPP, dev->regs + MXC_W1_CONTROL);
+
+ /* Wait for reset sequence 511+512us, use 1500us for sure */
+- timeout = jiffies + usecs_to_jiffies(1500);
++ timeout = ktime_add_us(ktime_get(), 1500);
+
+ udelay(511 + 512);
+
+@@ -63,7 +63,7 @@ static u8 mxc_w1_ds2_reset_bus(void *data)
+ /* PST bit is valid after the RPP bit is self-cleared */
+ if (!(ctrl & MXC_W1_CONTROL_RPP))
+ return !(ctrl & MXC_W1_CONTROL_PST);
+- } while (time_is_after_jiffies(timeout));
++ } while (ktime_before(ktime_get(), timeout));
+
+ return 1;
+ }
+@@ -76,12 +76,12 @@ static u8 mxc_w1_ds2_reset_bus(void *data)
+ static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit)
+ {
+ struct mxc_w1_device *dev = data;
+- unsigned long timeout;
++ ktime_t timeout;
+
+ writeb(MXC_W1_CONTROL_WR(bit), dev->regs + MXC_W1_CONTROL);
+
+ /* Wait for read/write bit (60us, Max 120us), use 200us for sure */
+- timeout = jiffies + usecs_to_jiffies(200);
++ timeout = ktime_add_us(ktime_get(), 200);
+
+ udelay(60);
+
+@@ -91,7 +91,7 @@ static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit)
+ /* RDST bit is valid after the WR1/RD bit is self-cleared */
+ if (!(ctrl & MXC_W1_CONTROL_WR(bit)))
+ return !!(ctrl & MXC_W1_CONTROL_RDST);
+- } while (time_is_after_jiffies(timeout));
++ } while (ktime_before(ktime_get(), timeout));
+
+ return 0;
+ }
+diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c
+index 47a8f1b1087d4..4568af9a165be 100644
+--- a/drivers/watchdog/rdc321x_wdt.c
++++ b/drivers/watchdog/rdc321x_wdt.c
+@@ -244,6 +244,8 @@ static int rdc321x_wdt_probe(struct platform_device *pdev)
+
+ rdc321x_wdt_device.sb_pdev = pdata->sb_pdev;
+ rdc321x_wdt_device.base_reg = r->start;
++ rdc321x_wdt_device.queue = 0;
++ rdc321x_wdt_device.default_ticks = ticks;
+
+ err = misc_register(&rdc321x_wdt_misc);
+ if (err < 0) {
+@@ -258,14 +260,11 @@ static int rdc321x_wdt_probe(struct platform_device *pdev)
+ rdc321x_wdt_device.base_reg, RDC_WDT_RST);
+
+ init_completion(&rdc321x_wdt_device.stop);
+- rdc321x_wdt_device.queue = 0;
+
+ clear_bit(0, &rdc321x_wdt_device.inuse);
+
+ setup_timer(&rdc321x_wdt_device.timer, rdc321x_wdt_trigger, 0);
+
+- rdc321x_wdt_device.default_ticks = ticks;
+-
+ dev_info(&pdev->dev, "watchdog init success\n");
+
+ return 0;
+diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
+index 0dadfabcfd80b..83bb9fdbadc6a 100644
+--- a/drivers/xen/events/events_base.c
++++ b/drivers/xen/events/events_base.c
+@@ -91,6 +91,8 @@ static bool (*pirq_needs_eoi)(unsigned irq);
+ /* Xen will never allocate port zero for any purpose. */
+ #define VALID_EVTCHN(chn) ((chn) != 0)
+
++static struct irq_info *legacy_info_ptrs[NR_IRQS_LEGACY];
++
+ static struct irq_chip xen_dynamic_chip;
+ static struct irq_chip xen_percpu_chip;
+ static struct irq_chip xen_pirq_chip;
+@@ -155,7 +157,18 @@ int get_evtchn_to_irq(unsigned evtchn)
+ /* Get info for IRQ */
+ struct irq_info *info_for_irq(unsigned irq)
+ {
+- return irq_get_chip_data(irq);
++ if (irq < nr_legacy_irqs())
++ return legacy_info_ptrs[irq];
++ else
++ return irq_get_chip_data(irq);
++}
++
++static void set_info_for_irq(unsigned int irq, struct irq_info *info)
++{
++ if (irq < nr_legacy_irqs())
++ legacy_info_ptrs[irq] = info;
++ else
++ irq_set_chip_data(irq, info);
+ }
+
+ /* Constructors for packed IRQ information. */
+@@ -384,7 +397,7 @@ static void xen_irq_init(unsigned irq)
+ info->type = IRQT_UNBOUND;
+ info->refcnt = -1;
+
+- irq_set_chip_data(irq, info);
++ set_info_for_irq(irq, info);
+
+ list_add_tail(&info->list, &xen_irq_list_head);
+ }
+@@ -433,14 +446,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
+
+ static void xen_free_irq(unsigned irq)
+ {
+- struct irq_info *info = irq_get_chip_data(irq);
++ struct irq_info *info = info_for_irq(irq);
+
+ if (WARN_ON(!info))
+ return;
+
+ list_del(&info->list);
+
+- irq_set_chip_data(irq, NULL);
++ set_info_for_irq(irq, NULL);
+
+ WARN_ON(info->refcnt > 0);
+
+@@ -610,7 +623,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi);
+ static void __unbind_from_irq(unsigned int irq)
+ {
+ int evtchn = evtchn_from_irq(irq);
+- struct irq_info *info = irq_get_chip_data(irq);
++ struct irq_info *info = info_for_irq(irq);
+
+ if (info->refcnt > 0) {
+ info->refcnt--;
+@@ -1114,7 +1127,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
+
+ void unbind_from_irqhandler(unsigned int irq, void *dev_id)
+ {
+- struct irq_info *info = irq_get_chip_data(irq);
++ struct irq_info *info = info_for_irq(irq);
+
+ if (WARN_ON(!info))
+ return;
+@@ -1148,7 +1161,7 @@ int evtchn_make_refcounted(unsigned int evtchn)
+ if (irq == -1)
+ return -ENOENT;
+
+- info = irq_get_chip_data(irq);
++ info = info_for_irq(irq);
+
+ if (!info)
+ return -ENOENT;
+@@ -1176,7 +1189,7 @@ int evtchn_get(unsigned int evtchn)
+ if (irq == -1)
+ goto done;
+
+- info = irq_get_chip_data(irq);
++ info = info_for_irq(irq);
+
+ if (!info)
+ goto done;
+diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
+index e963b83afc717..6be16c74e3e9e 100644
+--- a/fs/9p/vfs_file.c
++++ b/fs/9p/vfs_file.c
+@@ -624,9 +624,9 @@ static void v9fs_mmap_vm_close(struct vm_area_struct *vma)
+ struct writeback_control wbc = {
+ .nr_to_write = LONG_MAX,
+ .sync_mode = WB_SYNC_ALL,
+- .range_start = vma->vm_pgoff * PAGE_SIZE,
++ .range_start = (loff_t)vma->vm_pgoff * PAGE_SIZE,
+ /* absolute end, byte at end included */
+- .range_end = vma->vm_pgoff * PAGE_SIZE +
++ .range_end = (loff_t)vma->vm_pgoff * PAGE_SIZE +
+ (vma->vm_end - vma->vm_start - 1),
+ };
+
+diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
+index 65689cbc362db..89eeca5bb23e5 100644
+--- a/fs/btrfs/ctree.c
++++ b/fs/btrfs/ctree.c
+@@ -1122,6 +1122,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
+
+ ret = update_ref_for_cow(trans, root, buf, cow, &last_ref);
+ if (ret) {
++ btrfs_tree_unlock(cow);
++ free_extent_buffer(cow);
+ btrfs_abort_transaction(trans, ret);
+ return ret;
+ }
+@@ -1129,6 +1131,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
+ if (test_bit(BTRFS_ROOT_REF_COWS, &root->state)) {
+ ret = btrfs_reloc_cow_block(trans, root, buf, cow);
+ if (ret) {
++ btrfs_tree_unlock(cow);
++ free_extent_buffer(cow);
+ btrfs_abort_transaction(trans, ret);
+ return ret;
+ }
+@@ -1160,6 +1164,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
+ if (last_ref) {
+ ret = tree_mod_log_free_eb(root->fs_info, buf);
+ if (ret) {
++ btrfs_tree_unlock(cow);
++ free_extent_buffer(cow);
+ btrfs_abort_transaction(trans, ret);
+ return ret;
+ }
+diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
+index 0d1565d712314..d4ab8e185ef29 100644
+--- a/fs/btrfs/reada.c
++++ b/fs/btrfs/reada.c
+@@ -456,6 +456,8 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
+ }
+ have_zone = 1;
+ }
++ if (!have_zone)
++ radix_tree_delete(&fs_info->reada_tree, index);
+ spin_unlock(&fs_info->reada_lock);
+ btrfs_dev_replace_unlock(&fs_info->dev_replace, 0);
+
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
+index 5bd1758f57b64..9909b63d2acda 100644
+--- a/fs/btrfs/tree-log.c
++++ b/fs/btrfs/tree-log.c
+@@ -3357,6 +3357,7 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
+ * search and this search we'll not find the key again and can just
+ * bail.
+ */
++search:
+ ret = btrfs_search_slot(NULL, root, &min_key, path, 0, 0);
+ if (ret != 0)
+ goto done;
+@@ -3376,6 +3377,13 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
+
+ if (min_key.objectid != ino || min_key.type != key_type)
+ goto done;
++
++ if (need_resched()) {
++ btrfs_release_path(path);
++ cond_resched();
++ goto search;
++ }
++
+ ret = overwrite_item(trans, log, dst_path, src, i,
+ &min_key);
+ if (ret) {
+diff --git a/fs/buffer.c b/fs/buffer.c
+index 52f1a60417d1d..681b249039ebb 100644
+--- a/fs/buffer.c
++++ b/fs/buffer.c
+@@ -2753,16 +2753,6 @@ int nobh_writepage(struct page *page, get_block_t *get_block,
+ /* Is the page fully outside i_size? (truncate in progress) */
+ offset = i_size & (PAGE_SIZE-1);
+ if (page->index >= end_index+1 || !offset) {
+- /*
+- * The page may have dirty, unmapped buffers. For example,
+- * they may have been added in ext3_writepage(). Make them
+- * freeable here, so the page does not leak.
+- */
+-#if 0
+- /* Not really sure about this - do we need this ? */
+- if (page->mapping->a_ops->invalidatepage)
+- page->mapping->a_ops->invalidatepage(page, offset);
+-#endif
+ unlock_page(page);
+ return 0; /* don't care */
+ }
+@@ -2957,12 +2947,6 @@ int block_write_full_page(struct page *page, get_block_t *get_block,
+ /* Is the page fully outside i_size? (truncate in progress) */
+ offset = i_size & (PAGE_SIZE-1);
+ if (page->index >= end_index+1 || !offset) {
+- /*
+- * The page may have dirty, unmapped buffers. For example,
+- * they may have been added in ext3_writepage(). Make them
+- * freeable here, so the page does not leak.
+- */
+- do_invalidatepage(page, 0, PAGE_SIZE);
+ unlock_page(page);
+ return 0; /* don't care */
+ }
+diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
+index 7dba96d5fef1e..496eeceae0406 100644
+--- a/fs/cachefiles/rdwr.c
++++ b/fs/cachefiles/rdwr.c
+@@ -125,7 +125,7 @@ static int cachefiles_read_reissue(struct cachefiles_object *object,
+ _debug("reissue read");
+ ret = bmapping->a_ops->readpage(NULL, backpage);
+ if (ret < 0)
+- goto unlock_discard;
++ goto discard;
+ }
+
+ /* but the page may have been read before the monitor was installed, so
+@@ -142,6 +142,7 @@ static int cachefiles_read_reissue(struct cachefiles_object *object,
+
+ unlock_discard:
+ unlock_page(backpage);
++discard:
+ spin_lock_irq(&object->work_lock);
+ list_del(&monitor->op_link);
+ spin_unlock_irq(&object->work_lock);
+diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
+index 7b79a54a27898..36aa6d8cdff71 100644
+--- a/fs/ceph/addr.c
++++ b/fs/ceph/addr.c
+@@ -1392,7 +1392,7 @@ static int ceph_filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+ struct ceph_inode_info *ci = ceph_inode(inode);
+ struct ceph_file_info *fi = vma->vm_file->private_data;
+ struct page *pinned_page = NULL;
+- loff_t off = vmf->pgoff << PAGE_SHIFT;
++ loff_t off = (loff_t)vmf->pgoff << PAGE_SHIFT;
+ int want, got, ret;
+ sigset_t oldset;
+
+diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
+index 57a97b38a2fa2..2bf6e0a2a57ca 100644
+--- a/fs/crypto/policy.c
++++ b/fs/crypto/policy.c
+@@ -93,16 +93,19 @@ static int create_encryption_context_from_policy(struct inode *inode,
+ return inode->i_sb->s_cop->set_context(inode, &ctx, sizeof(ctx), NULL);
+ }
+
+-int fscrypt_process_policy(struct file *filp,
+- const struct fscrypt_policy *policy)
++int fscrypt_ioctl_set_policy(struct file *filp, const void __user *arg)
+ {
++ struct fscrypt_policy policy;
+ struct inode *inode = file_inode(filp);
+ int ret;
+
++ if (copy_from_user(&policy, arg, sizeof(policy)))
++ return -EFAULT;
++
+ if (!inode_owner_or_capable(inode))
+ return -EACCES;
+
+- if (policy->version != 0)
++ if (policy.version != 0)
+ return -EINVAL;
+
+ ret = mnt_want_write_file(filp);
+@@ -122,13 +125,13 @@ int fscrypt_process_policy(struct file *filp,
+ ret = -ENOTEMPTY;
+ else
+ ret = create_encryption_context_from_policy(inode,
+- policy);
++ &policy);
+ } else if (!is_encryption_context_consistent_with_policy(inode,
+- policy)) {
++ &policy)) {
+ printk(KERN_WARNING
+ "%s: Policy inconsistent with encryption context\n",
+ __func__);
+- ret = -EINVAL;
++ ret = -EEXIST;
+ }
+
+ inode_unlock(inode);
+@@ -136,11 +139,13 @@ int fscrypt_process_policy(struct file *filp,
+ mnt_drop_write_file(filp);
+ return ret;
+ }
+-EXPORT_SYMBOL(fscrypt_process_policy);
++EXPORT_SYMBOL(fscrypt_ioctl_set_policy);
+
+-int fscrypt_get_policy(struct inode *inode, struct fscrypt_policy *policy)
++int fscrypt_ioctl_get_policy(struct file *filp, void __user *arg)
+ {
++ struct inode *inode = file_inode(filp);
+ struct fscrypt_context ctx;
++ struct fscrypt_policy policy;
+ int res;
+
+ if (!inode->i_sb->s_cop->get_context ||
+@@ -153,15 +158,18 @@ int fscrypt_get_policy(struct inode *inode, struct fscrypt_policy *policy)
+ if (ctx.format != FS_ENCRYPTION_CONTEXT_FORMAT_V1)
+ return -EINVAL;
+
+- policy->version = 0;
+- policy->contents_encryption_mode = ctx.contents_encryption_mode;
+- policy->filenames_encryption_mode = ctx.filenames_encryption_mode;
+- policy->flags = ctx.flags;
+- memcpy(&policy->master_key_descriptor, ctx.master_key_descriptor,
++ policy.version = 0;
++ policy.contents_encryption_mode = ctx.contents_encryption_mode;
++ policy.filenames_encryption_mode = ctx.filenames_encryption_mode;
++ policy.flags = ctx.flags;
++ memcpy(policy.master_key_descriptor, ctx.master_key_descriptor,
+ FS_KEY_DESCRIPTOR_SIZE);
++
++ if (copy_to_user(arg, &policy, sizeof(policy)))
++ return -EFAULT;
+ return 0;
+ }
+-EXPORT_SYMBOL(fscrypt_get_policy);
++EXPORT_SYMBOL(fscrypt_ioctl_get_policy);
+
+ /**
+ * fscrypt_has_permitted_context() - is a file's encryption policy permitted
+@@ -180,8 +188,7 @@ EXPORT_SYMBOL(fscrypt_get_policy);
+ * malicious offline violations of this constraint, while the link and rename
+ * checks are needed to prevent online violations of this constraint.
+ *
+- * Return: 1 if permitted, 0 if forbidden. If forbidden, the caller must fail
+- * the filesystem operation with EPERM.
++ * Return: 1 if permitted, 0 if forbidden.
+ */
+ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child)
+ {
+diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
+index d7a7c53803c1b..b1e6acec53041 100644
+--- a/fs/efivarfs/super.c
++++ b/fs/efivarfs/super.c
+@@ -146,6 +146,9 @@ static int efivarfs_callback(efi_char16_t *name16, efi_guid_t vendor,
+
+ name[len + EFI_VARIABLE_GUID_LEN+1] = '\0';
+
++ /* replace invalid slashes like kobject_set_name_vargs does for /sys/firmware/efi/vars. */
++ strreplace(name, '/', '!');
++
+ inode = efivarfs_get_inode(sb, d_inode(root), S_IFREG | 0644, 0,
+ is_removable);
+ if (!inode)
+diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
+index b41ac328c3964..360954196e2f3 100644
+--- a/fs/ext4/ext4.h
++++ b/fs/ext4/ext4.h
+@@ -2354,8 +2354,8 @@ static inline void ext4_fname_free_filename(struct ext4_filename *fname) { }
+ #define fscrypt_pullback_bio_page fscrypt_notsupp_pullback_bio_page
+ #define fscrypt_restore_control_page fscrypt_notsupp_restore_control_page
+ #define fscrypt_zeroout_range fscrypt_notsupp_zeroout_range
+-#define fscrypt_process_policy fscrypt_notsupp_process_policy
+-#define fscrypt_get_policy fscrypt_notsupp_get_policy
++#define fscrypt_ioctl_set_policy fscrypt_notsupp_ioctl_set_policy
++#define fscrypt_ioctl_get_policy fscrypt_notsupp_ioctl_get_policy
+ #define fscrypt_has_permitted_context fscrypt_notsupp_has_permitted_context
+ #define fscrypt_inherit_context fscrypt_notsupp_inherit_context
+ #define fscrypt_get_encryption_info fscrypt_notsupp_get_encryption_info
+diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
+index eada4172c4ef1..2016f5a5d3cf1 100644
+--- a/fs/ext4/ioctl.c
++++ b/fs/ext4/ioctl.c
+@@ -774,22 +774,12 @@ resizefs_out:
+ }
+ case EXT4_IOC_PRECACHE_EXTENTS:
+ return ext4_ext_precache(inode);
+- case EXT4_IOC_SET_ENCRYPTION_POLICY: {
+-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+- struct fscrypt_policy policy;
+
++ case EXT4_IOC_SET_ENCRYPTION_POLICY:
+ if (!ext4_has_feature_encrypt(sb))
+ return -EOPNOTSUPP;
++ return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
+
+- if (copy_from_user(&policy,
+- (struct fscrypt_policy __user *)arg,
+- sizeof(policy)))
+- return -EFAULT;
+- return fscrypt_process_policy(filp, &policy);
+-#else
+- return -EOPNOTSUPP;
+-#endif
+- }
+ case EXT4_IOC_GET_ENCRYPTION_PWSALT: {
+ int err, err2;
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+@@ -826,23 +816,9 @@ resizefs_out:
+ return -EFAULT;
+ return 0;
+ }
+- case EXT4_IOC_GET_ENCRYPTION_POLICY: {
+-#ifdef CONFIG_EXT4_FS_ENCRYPTION
+- struct fscrypt_policy policy;
+- int err = 0;
+-
+- if (!ext4_encrypted_inode(inode))
+- return -ENOENT;
+- err = fscrypt_get_policy(inode, &policy);
+- if (err)
+- return err;
+- if (copy_to_user((void __user *)arg, &policy, sizeof(policy)))
+- return -EFAULT;
+- return 0;
+-#else
+- return -EOPNOTSUPP;
+-#endif
+- }
++ case EXT4_IOC_GET_ENCRYPTION_POLICY:
++ return fscrypt_ioctl_get_policy(filp, (void __user *)arg);
++
+ case EXT4_IOC_FSGETXATTR:
+ {
+ struct fsxattr fa;
+diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
+index 157dbbe235f90..8ded38ac4cdef 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -3259,7 +3259,7 @@ static int ext4_link(struct dentry *old_dentry,
+ return -EMLINK;
+ if (ext4_encrypted_inode(dir) &&
+ !fscrypt_has_permitted_context(dir, inode))
+- return -EPERM;
++ return -EXDEV;
+
+ if ((ext4_test_inode_flag(dir, EXT4_INODE_PROJINHERIT)) &&
+ (!projid_eq(EXT4_I(dir)->i_projid,
+@@ -3597,7 +3597,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
+ if ((old.dir != new.dir) &&
+ ext4_encrypted_inode(new.dir) &&
+ !fscrypt_has_permitted_context(new.dir, old.inode)) {
+- retval = -EPERM;
++ retval = -EXDEV;
+ goto end_rename;
+ }
+
+@@ -3776,7 +3776,7 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
+ (old_dir != new_dir) &&
+ (!fscrypt_has_permitted_context(new_dir, old.inode) ||
+ !fscrypt_has_permitted_context(old_dir, new.inode)))
+- return -EPERM;
++ return -EXDEV;
+
+ if ((ext4_test_inode_flag(new_dir, EXT4_INODE_PROJINHERIT) &&
+ !projid_eq(EXT4_I(new_dir)->i_projid,
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 472fa29c6f604..2527eb3049494 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -5412,6 +5412,11 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
+ /* Quotafile not on the same filesystem? */
+ if (path->dentry->d_sb != sb)
+ return -EXDEV;
++
++ /* Quota already enabled for this file? */
++ if (IS_NOQUOTA(d_inode(path->dentry)))
++ return -EBUSY;
++
+ /* Journaling quota? */
+ if (EXT4_SB(sb)->s_qf_names[type]) {
+ /* Quotafile not in fs root? */
+diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
+index 0b061bbf1639a..5e9f8ec8251d3 100644
+--- a/fs/f2fs/checkpoint.c
++++ b/fs/f2fs/checkpoint.c
+@@ -201,6 +201,8 @@ int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
+ blkno * NAT_ENTRY_PER_BLOCK);
+ break;
+ case META_SIT:
++ if (unlikely(blkno >= TOTAL_SEGS(sbi)))
++ goto out;
+ /* get sit block addr */
+ fio.new_blkaddr = current_sit_addr(sbi,
+ blkno * SIT_ENTRY_PER_BLOCK);
+@@ -904,8 +906,12 @@ int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type)
+ get_pages(sbi, is_dir ?
+ F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
+ retry:
+- if (unlikely(f2fs_cp_error(sbi)))
++ if (unlikely(f2fs_cp_error(sbi))) {
++ trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,
++ get_pages(sbi, is_dir ?
++ F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
+ return -EIO;
++ }
+
+ spin_lock(&sbi->inode_lock[type]);
+
+diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
+index b16ab4187234d..7016a59142e3e 100644
+--- a/fs/f2fs/f2fs.h
++++ b/fs/f2fs/f2fs.h
+@@ -2513,8 +2513,8 @@ static inline bool f2fs_may_encrypt(struct inode *inode)
+ #define fscrypt_pullback_bio_page fscrypt_notsupp_pullback_bio_page
+ #define fscrypt_restore_control_page fscrypt_notsupp_restore_control_page
+ #define fscrypt_zeroout_range fscrypt_notsupp_zeroout_range
+-#define fscrypt_process_policy fscrypt_notsupp_process_policy
+-#define fscrypt_get_policy fscrypt_notsupp_get_policy
++#define fscrypt_ioctl_set_policy fscrypt_notsupp_ioctl_set_policy
++#define fscrypt_ioctl_get_policy fscrypt_notsupp_ioctl_get_policy
+ #define fscrypt_has_permitted_context fscrypt_notsupp_has_permitted_context
+ #define fscrypt_inherit_context fscrypt_notsupp_inherit_context
+ #define fscrypt_get_encryption_info fscrypt_notsupp_get_encryption_info
+diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
+index e3c438c8b8ce0..0bedcd70b51f4 100644
+--- a/fs/f2fs/file.c
++++ b/fs/f2fs/file.c
+@@ -1774,31 +1774,16 @@ static bool uuid_is_nonzero(__u8 u[16])
+
+ static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
+ {
+- struct fscrypt_policy policy;
+ struct inode *inode = file_inode(filp);
+
+- if (copy_from_user(&policy, (struct fscrypt_policy __user *)arg,
+- sizeof(policy)))
+- return -EFAULT;
+-
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
+
+- return fscrypt_process_policy(filp, &policy);
++ return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
+ }
+
+ static int f2fs_ioc_get_encryption_policy(struct file *filp, unsigned long arg)
+ {
+- struct fscrypt_policy policy;
+- struct inode *inode = file_inode(filp);
+- int err;
+-
+- err = fscrypt_get_policy(inode, &policy);
+- if (err)
+- return err;
+-
+- if (copy_to_user((struct fscrypt_policy __user *)arg, &policy, sizeof(policy)))
+- return -EFAULT;
+- return 0;
++ return fscrypt_ioctl_get_policy(filp, (void __user *)arg);
+ }
+
+ static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg)
+diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
+index ccb99d5cfd8b0..ce0957318771c 100644
+--- a/fs/f2fs/namei.c
++++ b/fs/f2fs/namei.c
+@@ -177,7 +177,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
+
+ if (f2fs_encrypted_inode(dir) &&
+ !fscrypt_has_permitted_context(dir, inode))
+- return -EPERM;
++ return -EXDEV;
+
+ f2fs_balance_fs(sbi, true);
+
+@@ -667,7 +667,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
+
+ if ((old_dir != new_dir) && f2fs_encrypted_inode(new_dir) &&
+ !fscrypt_has_permitted_context(new_dir, old_inode)) {
+- err = -EPERM;
++ err = -EXDEV;
+ goto out;
+ }
+
+@@ -855,7 +855,7 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
+ (old_dir != new_dir) &&
+ (!fscrypt_has_permitted_context(new_dir, old_inode) ||
+ !fscrypt_has_permitted_context(old_dir, new_inode)))
+- return -EPERM;
++ return -EXDEV;
+
+ old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
+ if (!old_entry) {
+diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
+index f0129c033bd66..33c90e24f91aa 100644
+--- a/fs/fuse/dev.c
++++ b/fs/fuse/dev.c
+@@ -846,15 +846,16 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
+ struct page *newpage;
+ struct pipe_buffer *buf = cs->pipebufs;
+
++ get_page(oldpage);
+ err = unlock_request(cs->req);
+ if (err)
+- return err;
++ goto out_put_old;
+
+ fuse_copy_finish(cs);
+
+ err = pipe_buf_confirm(cs->pipe, buf);
+ if (err)
+- return err;
++ goto out_put_old;
+
+ BUG_ON(!cs->nr_segs);
+ cs->currbuf = buf;
+@@ -894,7 +895,7 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
+ err = replace_page_cache_page(oldpage, newpage, GFP_KERNEL);
+ if (err) {
+ unlock_page(newpage);
+- return err;
++ goto out_put_old;
+ }
+
+ get_page(newpage);
+@@ -913,14 +914,19 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
+ if (err) {
+ unlock_page(newpage);
+ put_page(newpage);
+- return err;
++ goto out_put_old;
+ }
+
+ unlock_page(oldpage);
++ /* Drop ref for ap->pages[] array */
+ put_page(oldpage);
+ cs->len = 0;
+
+- return 0;
++ err = 0;
++out_put_old:
++ /* Drop ref obtained in this function */
++ put_page(oldpage);
++ return err;
+
+ out_fallback_unlock:
+ unlock_page(newpage);
+@@ -929,10 +935,10 @@ out_fallback:
+ cs->offset = buf->offset;
+
+ err = lock_request(cs->req);
+- if (err)
+- return err;
++ if (!err)
++ err = 1;
+
+- return 1;
++ goto out_put_old;
+ }
+
+ static int fuse_ref_page(struct fuse_copy_state *cs, struct page *page,
+@@ -944,14 +950,16 @@ static int fuse_ref_page(struct fuse_copy_state *cs, struct page *page,
+ if (cs->nr_segs == cs->pipe->buffers)
+ return -EIO;
+
++ get_page(page);
+ err = unlock_request(cs->req);
+- if (err)
++ if (err) {
++ put_page(page);
+ return err;
++ }
+
+ fuse_copy_finish(cs);
+
+ buf = cs->pipebufs;
+- get_page(page);
+ buf->page = page;
+ buf->offset = offset;
+ buf->len = count;
+diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
+index bb5ddaabc218b..0e6fa91f4c8f2 100644
+--- a/fs/gfs2/ops_fstype.c
++++ b/fs/gfs2/ops_fstype.c
+@@ -160,15 +160,19 @@ static int gfs2_check_sb(struct gfs2_sbd *sdp, int silent)
+ return -EINVAL;
+ }
+
+- /* If format numbers match exactly, we're done. */
+-
+- if (sb->sb_fs_format == GFS2_FORMAT_FS &&
+- sb->sb_multihost_format == GFS2_FORMAT_MULTI)
+- return 0;
++ if (sb->sb_fs_format != GFS2_FORMAT_FS ||
++ sb->sb_multihost_format != GFS2_FORMAT_MULTI) {
++ fs_warn(sdp, "Unknown on-disk format, unable to mount\n");
++ return -EINVAL;
++ }
+
+- fs_warn(sdp, "Unknown on-disk format, unable to mount\n");
++ if (sb->sb_bsize < 512 || sb->sb_bsize > PAGE_SIZE ||
++ (sb->sb_bsize & (sb->sb_bsize - 1))) {
++ pr_warn("Invalid superblock size\n");
++ return -EINVAL;
++ }
+
+- return -EINVAL;
++ return 0;
+ }
+
+ static void end_bio_io_page(struct bio *bio)
+diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
+index e49d831c4e853..4f539473862a7 100644
+--- a/fs/nfs/namespace.c
++++ b/fs/nfs/namespace.c
+@@ -30,9 +30,9 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ;
+ /*
+ * nfs_path - reconstruct the path given an arbitrary dentry
+ * @base - used to return pointer to the end of devname part of path
+- * @dentry - pointer to dentry
++ * @dentry_in - pointer to dentry
+ * @buffer - result buffer
+- * @buflen - length of buffer
++ * @buflen_in - length of buffer
+ * @flags - options (see below)
+ *
+ * Helper function for constructing the server pathname
+@@ -47,15 +47,19 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ;
+ * the original device (export) name
+ * (if unset, the original name is returned verbatim)
+ */
+-char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen,
+- unsigned flags)
++char *nfs_path(char **p, struct dentry *dentry_in, char *buffer,
++ ssize_t buflen_in, unsigned flags)
+ {
+ char *end;
+ int namelen;
+ unsigned seq;
+ const char *base;
++ struct dentry *dentry;
++ ssize_t buflen;
+
+ rename_retry:
++ buflen = buflen_in;
++ dentry = dentry_in;
+ end = buffer+buflen;
+ *--end = '\0';
+ buflen--;
+diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
+index 69e287e207327..8223e43309810 100644
+--- a/fs/ubifs/debug.c
++++ b/fs/ubifs/debug.c
+@@ -1125,6 +1125,7 @@ int dbg_check_dir(struct ubifs_info *c, const struct inode *dir)
+ err = PTR_ERR(dent);
+ if (err == -ENOENT)
+ break;
++ kfree(pdent);
+ return err;
+ }
+
+diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
+index d812f84252d5b..3ce400158a0a8 100644
+--- a/fs/xfs/xfs_rtalloc.c
++++ b/fs/xfs/xfs_rtalloc.c
+@@ -1014,10 +1014,13 @@ xfs_growfs_rt(
+ xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL);
+ /*
+- * Update the bitmap inode's size.
++ * Update the bitmap inode's size ondisk and incore. We need
++ * to update the incore size so that inode inactivation won't
++ * punch what it thinks are "posteof" blocks.
+ */
+ mp->m_rbmip->i_d.di_size =
+ nsbp->sb_rbmblocks * nsbp->sb_blocksize;
++ i_size_write(VFS_I(mp->m_rbmip), mp->m_rbmip->i_d.di_size);
+ xfs_trans_log_inode(tp, mp->m_rbmip, XFS_ILOG_CORE);
+ /*
+ * Get the summary inode into the transaction.
+@@ -1025,9 +1028,12 @@ xfs_growfs_rt(
+ xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL);
+ /*
+- * Update the summary inode's size.
++ * Update the summary inode's size. We need to update the
++ * incore size so that inode inactivation won't punch what it
++ * thinks are "posteof" blocks.
+ */
+ mp->m_rsumip->i_d.di_size = nmp->m_rsumsize;
++ i_size_write(VFS_I(mp->m_rsumip), mp->m_rsumip->i_d.di_size);
+ xfs_trans_log_inode(tp, mp->m_rsumip, XFS_ILOG_CORE);
+ /*
+ * Copy summary data from old to new sizes.
+diff --git a/include/linux/fscrypto.h b/include/linux/fscrypto.h
+index f6dfc2950f764..3b1f17dbf92d9 100644
+--- a/include/linux/fscrypto.h
++++ b/include/linux/fscrypto.h
+@@ -249,8 +249,8 @@ extern void fscrypt_restore_control_page(struct page *);
+ extern int fscrypt_zeroout_range(struct inode *, pgoff_t, sector_t,
+ unsigned int);
+ /* policy.c */
+-extern int fscrypt_process_policy(struct file *, const struct fscrypt_policy *);
+-extern int fscrypt_get_policy(struct inode *, struct fscrypt_policy *);
++extern int fscrypt_ioctl_set_policy(struct file *, const void __user *);
++extern int fscrypt_ioctl_get_policy(struct file *, void __user *);
+ extern int fscrypt_has_permitted_context(struct inode *, struct inode *);
+ extern int fscrypt_inherit_context(struct inode *, struct inode *,
+ void *, bool);
+@@ -318,14 +318,14 @@ static inline int fscrypt_notsupp_zeroout_range(struct inode *i, pgoff_t p,
+ }
+
+ /* policy.c */
+-static inline int fscrypt_notsupp_process_policy(struct file *f,
+- const struct fscrypt_policy *p)
++static inline int fscrypt_notsupp_ioctl_set_policy(struct file *f,
++ const void __user *arg)
+ {
+ return -EOPNOTSUPP;
+ }
+
+-static inline int fscrypt_notsupp_get_policy(struct inode *i,
+- struct fscrypt_policy *p)
++static inline int fscrypt_notsupp_ioctl_get_policy(struct file *f,
++ void __user *arg)
+ {
+ return -EOPNOTSUPP;
+ }
+diff --git a/include/linux/hil_mlc.h b/include/linux/hil_mlc.h
+index 394a8405dd74d..e0521a1d93250 100644
+--- a/include/linux/hil_mlc.h
++++ b/include/linux/hil_mlc.h
+@@ -103,7 +103,7 @@ struct hilse_node {
+
+ /* Methods for back-end drivers, e.g. hp_sdc_mlc */
+ typedef int (hil_mlc_cts) (hil_mlc *mlc);
+-typedef void (hil_mlc_out) (hil_mlc *mlc);
++typedef int (hil_mlc_out) (hil_mlc *mlc);
+ typedef int (hil_mlc_in) (hil_mlc *mlc, suseconds_t timeout);
+
+ struct hil_mlc_devinfo {
+diff --git a/include/linux/mtd/pfow.h b/include/linux/mtd/pfow.h
+index 42ff7ff09bf59..09404fb36b345 100644
+--- a/include/linux/mtd/pfow.h
++++ b/include/linux/mtd/pfow.h
+@@ -127,7 +127,7 @@ static inline void print_drs_error(unsigned dsr)
+
+ if (!(dsr & DSR_AVAILABLE))
+ printk(KERN_NOTICE"DSR.15: (0) Device not Available\n");
+- if (prog_status & 0x03)
++ if ((prog_status & 0x03) == 0x03)
+ printk(KERN_NOTICE"DSR.9,8: (11) Attempt to program invalid "
+ "half with 41h command\n");
+ else if (prog_status & 0x02)
+diff --git a/init/Kconfig b/init/Kconfig
+index b331feeabda42..0a615bdc203a4 100644
+--- a/init/Kconfig
++++ b/init/Kconfig
+@@ -822,7 +822,8 @@ config IKCONFIG_PROC
+
+ config LOG_BUF_SHIFT
+ int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
+- range 12 25
++ range 12 25 if !H8300
++ range 12 19 if H8300
+ default 17
+ depends on PRINTK
+ help
+diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
+index 321ccdbb73649..bc791cec58e63 100644
+--- a/kernel/debug/debug_core.c
++++ b/kernel/debug/debug_core.c
+@@ -94,14 +94,6 @@ int dbg_switch_cpu;
+ /* Use kdb or gdbserver mode */
+ int dbg_kdb_mode = 1;
+
+-static int __init opt_kgdb_con(char *str)
+-{
+- kgdb_use_con = 1;
+- return 0;
+-}
+-
+-early_param("kgdbcon", opt_kgdb_con);
+-
+ module_param(kgdb_use_con, int, 0644);
+ module_param(kgdbreboot, int, 0644);
+
+@@ -811,6 +803,20 @@ static struct console kgdbcons = {
+ .index = -1,
+ };
+
++static int __init opt_kgdb_con(char *str)
++{
++ kgdb_use_con = 1;
++
++ if (kgdb_io_module_registered && !kgdb_con_registered) {
++ register_console(&kgdbcons);
++ kgdb_con_registered = 1;
++ }
++
++ return 0;
++}
++
++early_param("kgdbcon", opt_kgdb_con);
++
+ #ifdef CONFIG_MAGIC_SYSRQ
+ static void sysrq_handle_dbg(int key)
+ {
+diff --git a/kernel/fork.c b/kernel/fork.c
+index 288504431a531..b64efec4a6e6e 100644
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -1734,14 +1734,9 @@ static __latent_entropy struct task_struct *copy_process(
+ /* ok, now we should be set up.. */
+ p->pid = pid_nr(pid);
+ if (clone_flags & CLONE_THREAD) {
+- p->exit_signal = -1;
+ p->group_leader = current->group_leader;
+ p->tgid = current->tgid;
+ } else {
+- if (clone_flags & CLONE_PARENT)
+- p->exit_signal = current->group_leader->exit_signal;
+- else
+- p->exit_signal = (clone_flags & CSIGNAL);
+ p->group_leader = p;
+ p->tgid = p->pid;
+ }
+@@ -1786,9 +1781,14 @@ static __latent_entropy struct task_struct *copy_process(
+ if (clone_flags & (CLONE_PARENT|CLONE_THREAD)) {
+ p->real_parent = current->real_parent;
+ p->parent_exec_id = current->parent_exec_id;
++ if (clone_flags & CLONE_THREAD)
++ p->exit_signal = -1;
++ else
++ p->exit_signal = current->group_leader->exit_signal;
+ } else {
+ p->real_parent = current;
+ p->parent_exec_id = current->self_exec_id;
++ p->exit_signal = (clone_flags & CSIGNAL);
+ }
+
+ spin_lock(¤t->sighand->siglock);
+diff --git a/kernel/kthread.c b/kernel/kthread.c
+index fbc230e419690..60f54c5a07a46 100644
+--- a/kernel/kthread.c
++++ b/kernel/kthread.c
+@@ -828,7 +828,8 @@ void kthread_delayed_work_timer_fn(unsigned long __data)
+ /* Move the work from worker->delayed_work_list. */
+ WARN_ON_ONCE(list_empty(&work->node));
+ list_del_init(&work->node);
+- kthread_insert_work(worker, work, &worker->work_list);
++ if (!work->canceling)
++ kthread_insert_work(worker, work, &worker->work_list);
+
+ spin_unlock(&worker->lock);
+ }
+diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
+index 2cfe11e1190ba..fb2aa2430edcc 100644
+--- a/kernel/trace/ring_buffer.c
++++ b/kernel/trace/ring_buffer.c
+@@ -1650,18 +1650,18 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size,
+ {
+ struct ring_buffer_per_cpu *cpu_buffer;
+ unsigned long nr_pages;
+- int cpu, err = 0;
++ int cpu, err;
+
+ /*
+ * Always succeed at resizing a non-existent buffer:
+ */
+ if (!buffer)
+- return size;
++ return 0;
+
+ /* Make sure the requested buffer exists */
+ if (cpu_id != RING_BUFFER_ALL_CPUS &&
+ !cpumask_test_cpu(cpu_id, buffer->cpumask))
+- return size;
++ return 0;
+
+ nr_pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
+
+@@ -1801,7 +1801,7 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size,
+ }
+
+ mutex_unlock(&buffer->mutex);
+- return size;
++ return 0;
+
+ out_err:
+ for_each_buffer_cpu(buffer, cpu) {
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index 2388fb50d1885..2fdebbb30839e 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -2382,7 +2382,7 @@ static char *get_trace_buf(void)
+
+ /* Interrupts must see nesting incremented before we use the buffer */
+ barrier();
+- return &buffer->buffer[buffer->nesting][0];
++ return &buffer->buffer[buffer->nesting - 1][0];
+ }
+
+ static void put_trace_buf(void)
+diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
+index 476c6c4204da1..950c0e12a391a 100644
+--- a/kernel/trace/trace.h
++++ b/kernel/trace/trace.h
+@@ -491,6 +491,12 @@ enum {
+ * can only be modified by current, we can reuse trace_recursion.
+ */
+ TRACE_IRQ_BIT,
++
++ /*
++ * When transitioning between context, the preempt_count() may
++ * not be correct. Allow for a single recursion to cover this case.
++ */
++ TRACE_TRANSITION_BIT,
+ };
+
+ #define trace_recursion_set(bit) do { (current)->trace_recursion |= (1<<(bit)); } while (0)
+@@ -535,14 +541,27 @@ static __always_inline int trace_test_and_set_recursion(int start, int max)
+ return 0;
+
+ bit = trace_get_context_bit() + start;
+- if (unlikely(val & (1 << bit)))
+- return -1;
++ if (unlikely(val & (1 << bit))) {
++ /*
++ * It could be that preempt_count has not been updated during
++ * a switch between contexts. Allow for a single recursion.
++ */
++ bit = TRACE_TRANSITION_BIT;
++ if (trace_recursion_test(bit))
++ return -1;
++ trace_recursion_set(bit);
++ barrier();
++ return bit + 1;
++ }
++
++ /* Normal check passed, clear the transition to allow it again */
++ trace_recursion_clear(TRACE_TRANSITION_BIT);
+
+ val |= 1 << bit;
+ current->trace_recursion = val;
+ barrier();
+
+- return bit;
++ return bit + 1;
+ }
+
+ static __always_inline void trace_clear_recursion(int bit)
+@@ -552,6 +571,7 @@ static __always_inline void trace_clear_recursion(int bit)
+ if (!bit)
+ return;
+
++ bit--;
+ bit = 1 << bit;
+ val &= ~bit;
+
+diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
+index ca70d11b8aa78..f444f57f1338b 100644
+--- a/kernel/trace/trace_selftest.c
++++ b/kernel/trace/trace_selftest.c
+@@ -490,8 +490,13 @@ trace_selftest_function_recursion(void)
+ unregister_ftrace_function(&test_rec_probe);
+
+ ret = -1;
+- if (trace_selftest_recursion_cnt != 1) {
+- pr_cont("*callback not called once (%d)* ",
++ /*
++ * Recursion allows for transitions between context,
++ * and may call the callback twice.
++ */
++ if (trace_selftest_recursion_cnt != 1 &&
++ trace_selftest_recursion_cnt != 2) {
++ pr_cont("*callback not called once (or twice) (%d)* ",
+ trace_selftest_recursion_cnt);
+ goto out;
+ }
+diff --git a/lib/fonts/font_10x18.c b/lib/fonts/font_10x18.c
+index 87e904f550c15..0ea39bfdc3cfa 100644
+--- a/lib/fonts/font_10x18.c
++++ b/lib/fonts/font_10x18.c
+@@ -7,7 +7,7 @@
+
+ #define FONTDATAMAX 9216
+
+-static struct font_data fontdata_10x18 = {
++static const struct font_data fontdata_10x18 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 0 0x00 '^@' */
+ 0x00, 0x00, /* 0000000000 */
+diff --git a/lib/fonts/font_6x10.c b/lib/fonts/font_6x10.c
+index 896ffa987c97b..ec243d7d2e0e3 100644
+--- a/lib/fonts/font_6x10.c
++++ b/lib/fonts/font_6x10.c
+@@ -2,7 +2,7 @@
+
+ #define FONTDATAMAX 2560
+
+-static struct font_data fontdata_6x10 = {
++static const struct font_data fontdata_6x10 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 0 0x00 '^@' */
+ 0x00, /* 00000000 */
+diff --git a/lib/fonts/font_6x11.c b/lib/fonts/font_6x11.c
+index eb46a59307d2e..0010e213fbe22 100644
+--- a/lib/fonts/font_6x11.c
++++ b/lib/fonts/font_6x11.c
+@@ -8,7 +8,7 @@
+
+ #define FONTDATAMAX (11*256)
+
+-static struct font_data fontdata_6x11 = {
++static const struct font_data fontdata_6x11 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 0 0x00 '^@' */
+ 0x00, /* 00000000 */
+diff --git a/lib/fonts/font_7x14.c b/lib/fonts/font_7x14.c
+index c88b3bba001bd..2900b59325e5f 100644
+--- a/lib/fonts/font_7x14.c
++++ b/lib/fonts/font_7x14.c
+@@ -7,7 +7,7 @@
+
+ #define FONTDATAMAX 3584
+
+-static struct font_data fontdata_7x14 = {
++static const struct font_data fontdata_7x14 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 0 0x00 '^@' */
+ 0x00, /* 0000000 */
+diff --git a/lib/fonts/font_8x16.c b/lib/fonts/font_8x16.c
+index ba53e2643670b..cc3fa17ff94df 100644
+--- a/lib/fonts/font_8x16.c
++++ b/lib/fonts/font_8x16.c
+@@ -9,7 +9,7 @@
+
+ #define FONTDATAMAX 4096
+
+-static struct font_data fontdata_8x16 = {
++static const struct font_data fontdata_8x16 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 0 0x00 '^@' */
+ 0x00, /* 00000000 */
+diff --git a/lib/fonts/font_8x8.c b/lib/fonts/font_8x8.c
+index 4d28b81e8237c..1519b7ce88278 100644
+--- a/lib/fonts/font_8x8.c
++++ b/lib/fonts/font_8x8.c
+@@ -8,7 +8,7 @@
+
+ #define FONTDATAMAX 2048
+
+-static struct font_data fontdata_8x8 = {
++static const struct font_data fontdata_8x8 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 0 0x00 '^@' */
+ 0x00, /* 00000000 */
+diff --git a/lib/fonts/font_acorn_8x8.c b/lib/fonts/font_acorn_8x8.c
+index 957398b762d38..c6367ed4c5bcf 100644
+--- a/lib/fonts/font_acorn_8x8.c
++++ b/lib/fonts/font_acorn_8x8.c
+@@ -4,7 +4,7 @@
+
+ #define FONTDATAMAX 2048
+
+-static struct font_data acorndata_8x8 = {
++static const struct font_data acorndata_8x8 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ^@ */
+ /* 01 */ 0x7e, 0x81, 0xa5, 0x81, 0xbd, 0x99, 0x81, 0x7e, /* ^A */
+diff --git a/lib/fonts/font_mini_4x6.c b/lib/fonts/font_mini_4x6.c
+index 1449876c6a270..592774a90917b 100644
+--- a/lib/fonts/font_mini_4x6.c
++++ b/lib/fonts/font_mini_4x6.c
+@@ -43,7 +43,7 @@ __END__;
+
+ #define FONTDATAMAX 1536
+
+-static struct font_data fontdata_mini_4x6 = {
++static const struct font_data fontdata_mini_4x6 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /*{*/
+ /* Char 0: ' ' */
+diff --git a/lib/fonts/font_pearl_8x8.c b/lib/fonts/font_pearl_8x8.c
+index 4649314333bb0..6351b759ae702 100644
+--- a/lib/fonts/font_pearl_8x8.c
++++ b/lib/fonts/font_pearl_8x8.c
+@@ -13,7 +13,7 @@
+
+ #define FONTDATAMAX 2048
+
+-static struct font_data fontdata_pearl8x8 = {
++static const struct font_data fontdata_pearl8x8 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 0 0x00 '^@' */
+ 0x00, /* 00000000 */
+diff --git a/lib/fonts/font_sun12x22.c b/lib/fonts/font_sun12x22.c
+index c6967cdf4207b..057b0bf368a2a 100644
+--- a/lib/fonts/font_sun12x22.c
++++ b/lib/fonts/font_sun12x22.c
+@@ -2,7 +2,7 @@
+
+ #define FONTDATAMAX 11264
+
+-static struct font_data fontdata_sun12x22 = {
++static const struct font_data fontdata_sun12x22 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* 0 0x00 '^@' */
+ 0x00, 0x00, /* 000000000000 */
+diff --git a/lib/fonts/font_sun8x16.c b/lib/fonts/font_sun8x16.c
+index 7d979e5788999..84db7275e0534 100644
+--- a/lib/fonts/font_sun8x16.c
++++ b/lib/fonts/font_sun8x16.c
+@@ -2,7 +2,7 @@
+
+ #define FONTDATAMAX 4096
+
+-static struct font_data fontdata_sun8x16 = {
++static const struct font_data fontdata_sun8x16 = {
+ { 0, 0, FONTDATAMAX, 0 }, {
+ /* */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ /* */ 0x00,0x00,0x7e,0x81,0xa5,0x81,0x81,0xbd,0x99,0x81,0x81,0x7e,0x00,0x00,0x00,0x00,
+diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
+index bad27b0ec65d6..33b317a25a2d5 100644
+--- a/net/9p/trans_fd.c
++++ b/net/9p/trans_fd.c
+@@ -1013,7 +1013,7 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
+
+ csocket = NULL;
+
+- if (addr == NULL)
++ if (!addr || !strlen(addr))
+ return -EINVAL;
+
+ if (strlen(addr) >= UNIX_PATH_MAX) {
+diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
+index 7e27cabb04ef9..776d5ab24af6b 100644
+--- a/net/ceph/messenger.c
++++ b/net/ceph/messenger.c
+@@ -2983,6 +2983,11 @@ static void con_fault(struct ceph_connection *con)
+ ceph_msg_put(con->in_msg);
+ con->in_msg = NULL;
+ }
++ if (con->out_msg) {
++ BUG_ON(con->out_msg->con != con);
++ ceph_msg_put(con->out_msg);
++ con->out_msg = NULL;
++ }
+
+ /* Requeue anything that hasn't been acked */
+ list_splice_init(&con->out_sent, &con->out_queue);
+diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
+index de18a463ac964..eef2f732fbe3a 100644
+--- a/net/sunrpc/clnt.c
++++ b/net/sunrpc/clnt.c
+@@ -1936,6 +1936,14 @@ call_connect_status(struct rpc_task *task)
+ task->tk_status = 0;
+ switch (status) {
+ case -ECONNREFUSED:
++ /* A positive refusal suggests a rebind is needed. */
++ if (RPC_IS_SOFTCONN(task))
++ break;
++ if (clnt->cl_autobind) {
++ rpc_force_rebind(clnt);
++ task->tk_action = call_bind;
++ return;
++ }
+ case -ECONNRESET:
+ case -ECONNABORTED:
+ case -ENETUNREACH:
+diff --git a/net/tipc/core.c b/net/tipc/core.c
+index 799900c0f2c9f..c5d52c9a1acba 100644
+--- a/net/tipc/core.c
++++ b/net/tipc/core.c
+@@ -89,6 +89,11 @@ out_sk_rht:
+ static void __net_exit tipc_exit_net(struct net *net)
+ {
+ tipc_net_stop(net);
++
++ /* Make sure the tipc_net_finalize_work stopped
++ * before releasing the resources.
++ */
++ flush_scheduled_work();
+ tipc_bcast_stop(net);
+ tipc_nametbl_stop(net);
+ tipc_sk_rht_destroy(net);
+diff --git a/net/tipc/msg.c b/net/tipc/msg.c
+index 41290fe810220..aeb4554dfddac 100644
+--- a/net/tipc/msg.c
++++ b/net/tipc/msg.c
+@@ -140,12 +140,11 @@ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf)
+ if (fragid == FIRST_FRAGMENT) {
+ if (unlikely(head))
+ goto err;
+- if (skb_cloned(frag))
+- frag = skb_copy(frag, GFP_ATOMIC);
++ *buf = NULL;
++ frag = skb_unshare(frag, GFP_ATOMIC);
+ if (unlikely(!frag))
+ goto err;
+ head = *headbuf = frag;
+- *buf = NULL;
+ TIPC_SKB_CB(head)->tail = NULL;
+ if (skb_is_nonlinear(head)) {
+ skb_walk_frags(head, tail) {
+diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
+index d6473b8d9a81a..3a2543b9701a9 100644
+--- a/net/vmw_vsock/af_vsock.c
++++ b/net/vmw_vsock/af_vsock.c
+@@ -651,7 +651,7 @@ struct sock *__vsock_create(struct net *net,
+ vsk->owner = get_cred(psk->owner);
+ vsk->connect_timeout = psk->connect_timeout;
+ } else {
+- vsk->trusted = capable(CAP_NET_ADMIN);
++ vsk->trusted = ns_capable_noaudit(&init_user_ns, CAP_NET_ADMIN);
+ vsk->owner = get_current_cred();
+ vsk->connect_timeout = VSOCK_DEFAULT_CONNECT_TIMEOUT;
+ }
+diff --git a/scripts/setlocalversion b/scripts/setlocalversion
+index aa28c3f298093..0c8741b795d0c 100755
+--- a/scripts/setlocalversion
++++ b/scripts/setlocalversion
+@@ -44,7 +44,7 @@ scm_version()
+
+ # Check for git and a git repo.
+ if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
+- head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
++ head=$(git rev-parse --verify HEAD 2>/dev/null); then
+
+ # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
+ # it, because this version is defined in the top level Makefile.
+@@ -58,11 +58,22 @@ scm_version()
+ fi
+ # If we are past a tagged commit (like
+ # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
+- if atag="`git describe 2>/dev/null`"; then
+- echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+-
+- # If we don't have a tag at all we print -g{commitish}.
++ #
++ # Ensure the abbreviated sha1 has exactly 12
++ # hex characters, to make the output
++ # independent of git version, local
++ # core.abbrev settings and/or total number of
++ # objects in the current repository - passing
++ # --abbrev=12 ensures a minimum of 12, and the
++ # awk substr() then picks the 'g' and first 12
++ # hex chars.
++ if atag="$(git describe --abbrev=12 2>/dev/null)"; then
++ echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),substr($(NF),0,13))}'
++
++ # If we don't have a tag at all we print -g{commitish},
++ # again using exactly 12 hex chars.
+ else
++ head="$(echo $head | cut -c1-12)"
+ printf '%s%s' -g $head
+ fi
+ fi
+diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
+index ec7bea45c852c..95d02e25a3133 100644
+--- a/sound/usb/pcm.c
++++ b/sound/usb/pcm.c
+@@ -332,6 +332,7 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
+ switch (subs->stream->chip->usb_id) {
+ case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
+ case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */
++ case USB_ID(0x22f0, 0x0006): /* Allen&Heath Qu-16 */
+ ep = 0x81;
+ iface = usb_ifnum_to_if(dev, 3);
+
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