From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.14 commit in: /
Date: Thu, 5 Nov 2020 12:34:48 +0000 (UTC) [thread overview]
Message-ID: <1604579675.a7181e6c0d7e7a3d95209a9712fa48fd76569584.mpagano@gentoo> (raw)
commit: a7181e6c0d7e7a3d95209a9712fa48fd76569584
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Thu Nov 5 12:34:35 2020 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Thu Nov 5 12:34:35 2020 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=a7181e6c
Linux patch 4.14.204
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1203_linux-4.14.204.patch | 4440 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 4444 insertions(+)
diff --git a/0000_README b/0000_README
index 1ffd0bc..598d67e 100644
--- a/0000_README
+++ b/0000_README
@@ -855,6 +855,10 @@ Patch: 1202_linux-4.14.203.patch
From: https://www.kernel.org
Desc: Linux 4.14.203
+Patch: 1203_linux-4.14.204.patch
+From: https://www.kernel.org
+Desc: Linux 4.14.204
+
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/1203_linux-4.14.204.patch b/1203_linux-4.14.204.patch
new file mode 100644
index 0000000..9e65d3a
--- /dev/null
+++ b/1203_linux-4.14.204.patch
@@ -0,0 +1,4440 @@
+diff --git a/Documentation/media/uapi/v4l/colorspaces-defs.rst b/Documentation/media/uapi/v4l/colorspaces-defs.rst
+index f24615544792b..16e46bec80934 100644
+--- a/Documentation/media/uapi/v4l/colorspaces-defs.rst
++++ b/Documentation/media/uapi/v4l/colorspaces-defs.rst
+@@ -29,8 +29,7 @@ whole range, 0-255, dividing the angular value by 1.41. The enum
+ :c:type:`v4l2_hsv_encoding` specifies which encoding is used.
+
+ .. note:: The default R'G'B' quantization is full range for all
+- colorspaces except for BT.2020 which uses limited range R'G'B'
+- quantization.
++ colorspaces. HSV formats are always full range.
+
+ .. tabularcolumns:: |p{6.0cm}|p{11.5cm}|
+
+@@ -162,8 +161,8 @@ whole range, 0-255, dividing the angular value by 1.41. The enum
+ - Details
+ * - ``V4L2_QUANTIZATION_DEFAULT``
+ - Use the default quantization encoding as defined by the
+- colorspace. This is always full range for R'G'B' (except for the
+- BT.2020 colorspace) and HSV. It is usually limited range for Y'CbCr.
++ colorspace. This is always full range for R'G'B' and HSV.
++ It is usually limited range for Y'CbCr.
+ * - ``V4L2_QUANTIZATION_FULL_RANGE``
+ - Use the full range quantization encoding. I.e. the range [0…1] is
+ mapped to [0…255] (with possible clipping to [1…254] to avoid the
+@@ -173,4 +172,4 @@ whole range, 0-255, dividing the angular value by 1.41. The enum
+ * - ``V4L2_QUANTIZATION_LIM_RANGE``
+ - Use the limited range quantization encoding. I.e. the range [0…1]
+ is mapped to [16…235]. Cb and Cr are mapped from [-0.5…0.5] to
+- [16…240].
++ [16…240]. Limited Range cannot be used with HSV.
+diff --git a/Documentation/media/uapi/v4l/colorspaces-details.rst b/Documentation/media/uapi/v4l/colorspaces-details.rst
+index 09fabf4cd4126..ca7176cae8dd8 100644
+--- a/Documentation/media/uapi/v4l/colorspaces-details.rst
++++ b/Documentation/media/uapi/v4l/colorspaces-details.rst
+@@ -370,9 +370,8 @@ Colorspace BT.2020 (V4L2_COLORSPACE_BT2020)
+ The :ref:`itu2020` standard defines the colorspace used by Ultra-high
+ definition television (UHDTV). The default transfer function is
+ ``V4L2_XFER_FUNC_709``. The default Y'CbCr encoding is
+-``V4L2_YCBCR_ENC_BT2020``. The default R'G'B' quantization is limited
+-range (!), and so is the default Y'CbCr quantization. The chromaticities
+-of the primary colors and the white reference are:
++``V4L2_YCBCR_ENC_BT2020``. The default Y'CbCr quantization is limited range.
++The chromaticities of the primary colors and the white reference are:
+
+
+
+diff --git a/Makefile b/Makefile
+index ee52592c30dad..9b0fd7096ab88 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 203
++SUBLEVEL = 204
+ EXTRAVERSION =
+ NAME = Petit Gorille
+
+diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
+index 7a8fbe9a077bb..89f7d0c282406 100644
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -602,7 +602,9 @@ 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/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+index e96c0ca979720..a50e3c884efa7 100644
+--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
++++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+@@ -183,6 +183,7 @@
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
++ pause;
+ };
+ };
+ };
+diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi
+index b290a5abb9016..a215218237a60 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/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
+index a30f656f791f3..e61697fb7efea 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 456d215422502..cdfd37c7fb672 100644
+--- a/arch/arm64/Kconfig.platforms
++++ b/arch/arm64/Kconfig.platforms
+@@ -46,6 +46,7 @@ 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/Makefile b/arch/arm64/Makefile
+index 8c4bc5a2c61f4..5efb4e0950695 100644
+--- a/arch/arm64/Makefile
++++ b/arch/arm64/Makefile
+@@ -10,7 +10,7 @@
+ #
+ # Copyright (C) 1995-2001 by Russell King
+
+-LDFLAGS_vmlinux :=--no-undefined -X
++LDFLAGS_vmlinux :=--no-undefined -X -z norelro
+ CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
+ GZFLAGS :=-9
+
+@@ -18,7 +18,7 @@ ifeq ($(CONFIG_RELOCATABLE), y)
+ # Pass --no-apply-dynamic-relocs to restore pre-binutils-2.27 behaviour
+ # for relative relocs, since this leads to better Image compression
+ # with the relocation offsets always being zero.
+-LDFLAGS_vmlinux += -shared -Bsymbolic -z notext -z norelro \
++LDFLAGS_vmlinux += -shared -Bsymbolic -z notext \
+ $(call ld-option, --no-apply-dynamic-relocs)
+ endif
+
+diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi
+index e95d99265af9d..38f846530fcde 100644
+--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
++++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi
+@@ -397,6 +397,7 @@
+ bus-width = <8>;
+ mmc-hs200-1_8v;
+ non-removable;
++ full-pwr-cycle-in-suspend;
+ status = "okay";
+ };
+
+diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
+index 87615facf9596..02d34caa7bffc 100644
+--- a/arch/arm64/include/asm/kvm_host.h
++++ b/arch/arm64/include/asm/kvm_host.h
+@@ -185,6 +185,7 @@ 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 01bc46d5b43ac..9bde636027670 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 32ae5c9daac40..1ee4d9216841e 100644
+--- a/arch/arm64/kvm/sys_regs.c
++++ b/arch/arm64/kvm/sys_regs.c
+@@ -1178,9 +1178,9 @@ 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 },
+@@ -1195,7 +1195,7 @@ 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 e9c843e0c1727..6b42af182aa74 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 14ad79f394e50..0a4e32f94f6c8 100644
+--- a/arch/ia64/kernel/Makefile
++++ b/arch/ia64/kernel/Makefile
+@@ -43,7 +43,7 @@ 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/Kconfig b/arch/powerpc/Kconfig
+index 679e1e3c16953..52138ab45e574 100644
+--- a/arch/powerpc/Kconfig
++++ b/arch/powerpc/Kconfig
+@@ -154,6 +154,7 @@ config PPC
+ select ARCH_USE_BUILTIN_BSWAP
+ select ARCH_USE_CMPXCHG_LOCKREF if PPC64
+ select ARCH_WANT_IPC_PARSE_VERSION
++ select ARCH_WANT_IRQS_OFF_ACTIVATE_MM
+ select ARCH_WEAK_RELEASE_ACQUIRE
+ select BINFMT_ELF
+ select BUILDTIME_EXTABLE_SORT
+@@ -1026,6 +1027,19 @@ config FSL_RIO
+
+ source "drivers/rapidio/Kconfig"
+
++config PPC_RTAS_FILTER
++ bool "Enable filtering of RTAS syscalls"
++ default y
++ depends on PPC_RTAS
++ help
++ The RTAS syscall API has security issues that could be used to
++ compromise system integrity. This option enforces restrictions on the
++ RTAS calls and arguments passed by userspace programs to mitigate
++ these issues.
++
++ Say Y unless you know what you are doing and the filter is causing
++ problems for you.
++
+ endmenu
+
+ config NONSTATIC_KERNEL
+diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
+index 6f67ff5a52672..5f9ad4f4b9c0f 100644
+--- a/arch/powerpc/include/asm/mmu_context.h
++++ b/arch/powerpc/include/asm/mmu_context.h
+@@ -101,7 +101,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ */
+ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
+ {
+- switch_mm(prev, next, current);
++ switch_mm_irqs_off(prev, next, current);
+ }
+
+ /* We don't currently use enter_lazy_tlb() for anything */
+diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
+index a01f83ba739ef..96e5a3bd23e86 100644
+--- a/arch/powerpc/kernel/rtas.c
++++ b/arch/powerpc/kernel/rtas.c
+@@ -1056,6 +1056,147 @@ struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
+ return NULL;
+ }
+
++#ifdef CONFIG_PPC_RTAS_FILTER
++
++/*
++ * The sys_rtas syscall, as originally designed, allows root to pass
++ * arbitrary physical addresses to RTAS calls. A number of RTAS calls
++ * can be abused to write to arbitrary memory and do other things that
++ * are potentially harmful to system integrity, and thus should only
++ * be used inside the kernel and not exposed to userspace.
++ *
++ * All known legitimate users of the sys_rtas syscall will only ever
++ * pass addresses that fall within the RMO buffer, and use a known
++ * subset of RTAS calls.
++ *
++ * Accordingly, we filter RTAS requests to check that the call is
++ * permitted, and that provided pointers fall within the RMO buffer.
++ * The rtas_filters list contains an entry for each permitted call,
++ * with the indexes of the parameters which are expected to contain
++ * addresses and sizes of buffers allocated inside the RMO buffer.
++ */
++struct rtas_filter {
++ const char *name;
++ int token;
++ /* Indexes into the args buffer, -1 if not used */
++ int buf_idx1;
++ int size_idx1;
++ int buf_idx2;
++ int size_idx2;
++
++ int fixed_size;
++};
++
++static struct rtas_filter rtas_filters[] __ro_after_init = {
++ { "ibm,activate-firmware", -1, -1, -1, -1, -1 },
++ { "ibm,configure-connector", -1, 0, -1, 1, -1, 4096 }, /* Special cased */
++ { "display-character", -1, -1, -1, -1, -1 },
++ { "ibm,display-message", -1, 0, -1, -1, -1 },
++ { "ibm,errinjct", -1, 2, -1, -1, -1, 1024 },
++ { "ibm,close-errinjct", -1, -1, -1, -1, -1 },
++ { "ibm,open-errinct", -1, -1, -1, -1, -1 },
++ { "ibm,get-config-addr-info2", -1, -1, -1, -1, -1 },
++ { "ibm,get-dynamic-sensor-state", -1, 1, -1, -1, -1 },
++ { "ibm,get-indices", -1, 2, 3, -1, -1 },
++ { "get-power-level", -1, -1, -1, -1, -1 },
++ { "get-sensor-state", -1, -1, -1, -1, -1 },
++ { "ibm,get-system-parameter", -1, 1, 2, -1, -1 },
++ { "get-time-of-day", -1, -1, -1, -1, -1 },
++ { "ibm,get-vpd", -1, 0, -1, 1, 2 },
++ { "ibm,lpar-perftools", -1, 2, 3, -1, -1 },
++ { "ibm,platform-dump", -1, 4, 5, -1, -1 },
++ { "ibm,read-slot-reset-state", -1, -1, -1, -1, -1 },
++ { "ibm,scan-log-dump", -1, 0, 1, -1, -1 },
++ { "ibm,set-dynamic-indicator", -1, 2, -1, -1, -1 },
++ { "ibm,set-eeh-option", -1, -1, -1, -1, -1 },
++ { "set-indicator", -1, -1, -1, -1, -1 },
++ { "set-power-level", -1, -1, -1, -1, -1 },
++ { "set-time-for-power-on", -1, -1, -1, -1, -1 },
++ { "ibm,set-system-parameter", -1, 1, -1, -1, -1 },
++ { "set-time-of-day", -1, -1, -1, -1, -1 },
++ { "ibm,suspend-me", -1, -1, -1, -1, -1 },
++ { "ibm,update-nodes", -1, 0, -1, -1, -1, 4096 },
++ { "ibm,update-properties", -1, 0, -1, -1, -1, 4096 },
++ { "ibm,physical-attestation", -1, 0, 1, -1, -1 },
++};
++
++static bool in_rmo_buf(u32 base, u32 end)
++{
++ return base >= rtas_rmo_buf &&
++ base < (rtas_rmo_buf + RTAS_RMOBUF_MAX) &&
++ base <= end &&
++ end >= rtas_rmo_buf &&
++ end < (rtas_rmo_buf + RTAS_RMOBUF_MAX);
++}
++
++static bool block_rtas_call(int token, int nargs,
++ struct rtas_args *args)
++{
++ int i;
++
++ for (i = 0; i < ARRAY_SIZE(rtas_filters); i++) {
++ struct rtas_filter *f = &rtas_filters[i];
++ u32 base, size, end;
++
++ if (token != f->token)
++ continue;
++
++ if (f->buf_idx1 != -1) {
++ base = be32_to_cpu(args->args[f->buf_idx1]);
++ if (f->size_idx1 != -1)
++ size = be32_to_cpu(args->args[f->size_idx1]);
++ else if (f->fixed_size)
++ size = f->fixed_size;
++ else
++ size = 1;
++
++ end = base + size - 1;
++ if (!in_rmo_buf(base, end))
++ goto err;
++ }
++
++ if (f->buf_idx2 != -1) {
++ base = be32_to_cpu(args->args[f->buf_idx2]);
++ if (f->size_idx2 != -1)
++ size = be32_to_cpu(args->args[f->size_idx2]);
++ else if (f->fixed_size)
++ size = f->fixed_size;
++ else
++ size = 1;
++ end = base + size - 1;
++
++ /*
++ * Special case for ibm,configure-connector where the
++ * address can be 0
++ */
++ if (!strcmp(f->name, "ibm,configure-connector") &&
++ base == 0)
++ return false;
++
++ if (!in_rmo_buf(base, end))
++ goto err;
++ }
++
++ return false;
++ }
++
++err:
++ pr_err_ratelimited("sys_rtas: RTAS call blocked - exploit attempt?\n");
++ pr_err_ratelimited("sys_rtas: token=0x%x, nargs=%d (called by %s)\n",
++ token, nargs, current->comm);
++ return true;
++}
++
++#else
++
++static bool block_rtas_call(int token, int nargs,
++ struct rtas_args *args)
++{
++ return false;
++}
++
++#endif /* CONFIG_PPC_RTAS_FILTER */
++
+ /* We assume to be passed big endian arguments */
+ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
+ {
+@@ -1093,6 +1234,9 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
+ args.rets = &args.args[nargs];
+ memset(args.rets, 0, nret * sizeof(rtas_arg_t));
+
++ if (block_rtas_call(token, nargs, &args))
++ return -EINVAL;
++
+ /* Need to handle ibm,suspend_me call specially */
+ if (token == ibm_suspend_me_token) {
+
+@@ -1154,6 +1298,9 @@ void __init rtas_initialize(void)
+ unsigned long rtas_region = RTAS_INSTANTIATE_MAX;
+ u32 base, size, entry;
+ int no_base, no_size, no_entry;
++#ifdef CONFIG_PPC_RTAS_FILTER
++ int i;
++#endif
+
+ /* Get RTAS dev node and fill up our "rtas" structure with infos
+ * about it.
+@@ -1189,6 +1336,12 @@ void __init rtas_initialize(void)
+ #ifdef CONFIG_RTAS_ERROR_LOGGING
+ rtas_last_error_token = rtas_token("rtas-last-error");
+ #endif
++
++#ifdef CONFIG_PPC_RTAS_FILTER
++ for (i = 0; i < ARRAY_SIZE(rtas_filters); i++) {
++ rtas_filters[i].token = rtas_token(rtas_filters[i].name);
++ }
++#endif
+ }
+
+ int __init early_init_dt_scan_rtas(unsigned long node,
+diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
+index 4437c70c7c2b3..952fbc2d4abc8 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-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
+index ecd6d9177d13f..4113b19059d83 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 c17f81e433f7d..11d8fde770c38 100644
+--- a/arch/powerpc/platforms/powernv/smp.c
++++ b/arch/powerpc/platforms/powernv/smp.c
+@@ -44,7 +44,7 @@
+ #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/s390/kernel/time.c b/arch/s390/kernel/time.c
+index 5cbd52169348f..2269db865afaa 100644
+--- a/arch/s390/kernel/time.c
++++ b/arch/s390/kernel/time.c
+@@ -347,8 +347,9 @@ static DEFINE_PER_CPU(atomic_t, clock_sync_word);
+ static DEFINE_MUTEX(clock_sync_mutex);
+ static unsigned long clock_sync_flags;
+
+-#define CLOCK_SYNC_HAS_STP 0
+-#define CLOCK_SYNC_STP 1
++#define CLOCK_SYNC_HAS_STP 0
++#define CLOCK_SYNC_STP 1
++#define CLOCK_SYNC_STPINFO_VALID 2
+
+ /*
+ * The get_clock function for the physical clock. It will get the current
+@@ -585,6 +586,22 @@ void stp_queue_work(void)
+ queue_work(time_sync_wq, &stp_work);
+ }
+
++static int __store_stpinfo(void)
++{
++ int rc = chsc_sstpi(stp_page, &stp_info, sizeof(struct stp_sstpi));
++
++ if (rc)
++ clear_bit(CLOCK_SYNC_STPINFO_VALID, &clock_sync_flags);
++ else
++ set_bit(CLOCK_SYNC_STPINFO_VALID, &clock_sync_flags);
++ return rc;
++}
++
++static int stpinfo_valid(void)
++{
++ return stp_online && test_bit(CLOCK_SYNC_STPINFO_VALID, &clock_sync_flags);
++}
++
+ static int stp_sync_clock(void *data)
+ {
+ struct clock_sync_data *sync = data;
+@@ -606,8 +623,7 @@ static int stp_sync_clock(void *data)
+ if (rc == 0) {
+ sync->clock_delta = clock_delta;
+ clock_sync_global(clock_delta);
+- rc = chsc_sstpi(stp_page, &stp_info,
+- sizeof(struct stp_sstpi));
++ rc = __store_stpinfo();
+ if (rc == 0 && stp_info.tmd != 2)
+ rc = -EAGAIN;
+ }
+@@ -652,7 +668,7 @@ static void stp_work_fn(struct work_struct *work)
+ if (rc)
+ goto out_unlock;
+
+- rc = chsc_sstpi(stp_page, &stp_info, sizeof(struct stp_sstpi));
++ rc = __store_stpinfo();
+ if (rc || stp_info.c == 0)
+ goto out_unlock;
+
+@@ -689,10 +705,14 @@ static ssize_t stp_ctn_id_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online)
+- return -ENODATA;
+- return sprintf(buf, "%016llx\n",
+- *(unsigned long long *) stp_info.ctnid);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid())
++ ret = sprintf(buf, "%016llx\n",
++ *(unsigned long long *) stp_info.ctnid);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL);
+@@ -701,9 +721,13 @@ static ssize_t stp_ctn_type_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online)
+- return -ENODATA;
+- return sprintf(buf, "%i\n", stp_info.ctn);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid())
++ ret = sprintf(buf, "%i\n", stp_info.ctn);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL);
+@@ -712,9 +736,13 @@ static ssize_t stp_dst_offset_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online || !(stp_info.vbits & 0x2000))
+- return -ENODATA;
+- return sprintf(buf, "%i\n", (int)(s16) stp_info.dsto);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid() && (stp_info.vbits & 0x2000))
++ ret = sprintf(buf, "%i\n", (int)(s16) stp_info.dsto);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL);
+@@ -723,9 +751,13 @@ static ssize_t stp_leap_seconds_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online || !(stp_info.vbits & 0x8000))
+- return -ENODATA;
+- return sprintf(buf, "%i\n", (int)(s16) stp_info.leaps);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid() && (stp_info.vbits & 0x8000))
++ ret = sprintf(buf, "%i\n", (int)(s16) stp_info.leaps);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL);
+@@ -734,9 +766,13 @@ static ssize_t stp_stratum_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online)
+- return -ENODATA;
+- return sprintf(buf, "%i\n", (int)(s16) stp_info.stratum);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid())
++ ret = sprintf(buf, "%i\n", (int)(s16) stp_info.stratum);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(stratum, 0400, stp_stratum_show, NULL);
+@@ -745,9 +781,13 @@ static ssize_t stp_time_offset_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online || !(stp_info.vbits & 0x0800))
+- return -ENODATA;
+- return sprintf(buf, "%i\n", (int) stp_info.tto);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid() && (stp_info.vbits & 0x0800))
++ ret = sprintf(buf, "%i\n", (int) stp_info.tto);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(time_offset, 0400, stp_time_offset_show, NULL);
+@@ -756,9 +796,13 @@ static ssize_t stp_time_zone_offset_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online || !(stp_info.vbits & 0x4000))
+- return -ENODATA;
+- return sprintf(buf, "%i\n", (int)(s16) stp_info.tzo);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid() && (stp_info.vbits & 0x4000))
++ ret = sprintf(buf, "%i\n", (int)(s16) stp_info.tzo);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(time_zone_offset, 0400,
+@@ -768,9 +812,13 @@ static ssize_t stp_timing_mode_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online)
+- return -ENODATA;
+- return sprintf(buf, "%i\n", stp_info.tmd);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid())
++ ret = sprintf(buf, "%i\n", stp_info.tmd);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL);
+@@ -779,9 +827,13 @@ static ssize_t stp_timing_state_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+ {
+- if (!stp_online)
+- return -ENODATA;
+- return sprintf(buf, "%i\n", stp_info.tst);
++ ssize_t ret = -ENODATA;
++
++ mutex_lock(&stp_work_mutex);
++ if (stpinfo_valid())
++ ret = sprintf(buf, "%i\n", stp_info.tst);
++ mutex_unlock(&stp_work_mutex);
++ return ret;
+ }
+
+ static DEVICE_ATTR(timing_state, 0400, stp_timing_state_show, NULL);
+diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
+index c50182cd2f646..98825058e1df0 100644
+--- a/arch/sparc/kernel/smp_64.c
++++ b/arch/sparc/kernel/smp_64.c
+@@ -1039,38 +1039,9 @@ 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
+@@ -1080,18 +1051,13 @@ 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();
+@@ -1114,17 +1080,15 @@ 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);
+
+@@ -1134,14 +1098,13 @@ 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 f24e9adaa3167..3fe68f7f9d5e1 100644
+--- a/arch/x86/events/amd/ibs.c
++++ b/arch/x86/events/amd/ibs.c
+@@ -89,6 +89,7 @@ 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;
+@@ -346,11 +347,15 @@ 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;
+ }
+@@ -375,7 +380,12 @@ 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);
+ }
+
+ /*
+@@ -637,18 +647,24 @@ 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++;
+ }
+ }
+@@ -744,6 +760,13 @@ 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 9dc445ac7f19d..e8ffeebd24b6a 100644
+--- a/arch/x86/include/asm/msr-index.h
++++ b/arch/x86/include/asm/msr-index.h
+@@ -377,6 +377,7 @@
+ #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/unwind_orc.c b/arch/x86/kernel/unwind_orc.c
+index a5e2ce931f692..e64c5b78fbfd3 100644
+--- a/arch/x86/kernel/unwind_orc.c
++++ b/arch/x86/kernel/unwind_orc.c
+@@ -255,19 +255,12 @@ EXPORT_SYMBOL_GPL(unwind_get_return_address);
+
+ unsigned long *unwind_get_return_address_ptr(struct unwind_state *state)
+ {
+- struct task_struct *task = state->task;
+-
+ if (unwind_done(state))
+ return NULL;
+
+ if (state->regs)
+ return &state->regs->ip;
+
+- if (task != current && state->sp == task->thread.sp) {
+- struct inactive_task_frame *frame = (void *)task->thread.sp;
+- return &frame->ret_addr;
+- }
+-
+ if (state->sp)
+ return (unsigned long *)state->sp - 1;
+
+@@ -550,7 +543,7 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
+ } else {
+ struct inactive_task_frame *frame = (void *)task->thread.sp;
+
+- state->sp = task->thread.sp;
++ state->sp = task->thread.sp + sizeof(*frame);
+ state->bp = READ_ONCE_NOCHECK(frame->bp);
+ state->ip = READ_ONCE_NOCHECK(frame->ret_addr);
+ state->signal = (void *)state->ip == ret_from_fork;
+diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
+index 1f8175bf2a5e3..7d90a46455117 100644
+--- a/arch/x86/xen/enlighten_pv.c
++++ b/arch/x86/xen/enlighten_pv.c
+@@ -1404,6 +1404,15 @@ asmlinkage __visible void __init xen_start_kernel(void)
+ x86_init.mpparse.get_smp_config = x86_init_uint_noop;
+
+ xen_boot_params_init_edd();
++
++#ifdef CONFIG_ACPI
++ /*
++ * Disable selecting "Firmware First mode" for correctable
++ * memory errors, as this is the duty of the hypervisor to
++ * decide.
++ */
++ acpi_disable_cmcff = 1;
++#endif
+ }
+ #ifdef CONFIG_PCI
+ /* PCI BIOS service won't work from a PV guest. */
+diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c
+index 3ec05aa1a9035..ce248c33201bf 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 560fdae8cc590..943b1dc2d0b3c 100644
+--- a/drivers/acpi/acpi_extlog.c
++++ b/drivers/acpi/acpi_extlog.c
+@@ -224,9 +224,9 @@ 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 (edac_get_report_status() == EDAC_REPORTING_FORCE) {
+diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
+index a7907b58562a7..986712fe2a71c 100644
+--- a/drivers/acpi/numa.c
++++ b/drivers/acpi/numa.c
+@@ -46,7 +46,7 @@ int acpi_numa __initdata;
+
+ int pxm_to_node(int pxm)
+ {
+- if (pxm < 0)
++ if (pxm < 0 || pxm >= MAX_PXM_DOMAINS || numa_off)
+ return NUMA_NO_NODE;
+ return pxm_to_node_map[pxm];
+ }
+diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
+index ab1da5e6e7e3e..86ffb4af4afca 100644
+--- a/drivers/acpi/video_detect.c
++++ b/drivers/acpi/video_detect.c
+@@ -274,6 +274,15 @@ 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 a443c69434732..b52ea6349f74a 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 3c14f0c4ef87f..05ecc0de2d590 100644
+--- a/drivers/base/core.c
++++ b/drivers/base/core.c
+@@ -3074,6 +3074,7 @@ 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) {
+@@ -3088,7 +3089,8 @@ 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/block/nbd.c b/drivers/block/nbd.c
+index f22fad977c913..cdf62fb94fb15 100644
+--- a/drivers/block/nbd.c
++++ b/drivers/block/nbd.c
+@@ -725,9 +725,9 @@ static void recv_work(struct work_struct *work)
+
+ blk_mq_complete_request(blk_mq_rq_from_pdu(cmd));
+ }
++ nbd_config_put(nbd);
+ atomic_dec(&config->recv_threads);
+ wake_up(&config->recv_wq);
+- nbd_config_put(nbd);
+ kfree(args);
+ }
+
+diff --git a/drivers/clk/ti/clockdomain.c b/drivers/clk/ti/clockdomain.c
+index 07a805125e98c..11d92311e162f 100644
+--- a/drivers/clk/ti/clockdomain.c
++++ b/drivers/clk/ti/clockdomain.c
+@@ -146,10 +146,12 @@ 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 51a3c15ace09c..8a199b4047c23 100644
+--- a/drivers/cpufreq/acpi-cpufreq.c
++++ b/drivers/cpufreq/acpi-cpufreq.c
+@@ -701,7 +701,8 @@ 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 47105735df126..6b5d241c30b70 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;
+@@ -261,7 +262,8 @@ 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/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+index 837332e84d781..e708c52b65f20 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+@@ -551,6 +551,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
+ struct ww_acquire_ctx ticket;
+ struct list_head list;
+ uint64_t va_flags;
++ uint64_t vm_size;
+ int r = 0;
+
+ if (args->va_address < AMDGPU_VA_RESERVED_SIZE) {
+@@ -561,6 +562,15 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
+ return -EINVAL;
+ }
+
++ vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
++ vm_size -= AMDGPU_VA_RESERVED_SIZE;
++ if (args->va_address + args->map_size > vm_size) {
++ dev_dbg(&dev->pdev->dev,
++ "va_address 0x%llx is in top reserved area 0x%llx\n",
++ args->va_address + args->map_size, vm_size);
++ return -EINVAL;
++ }
++
+ if ((args->flags & ~valid_flags) && (args->flags & ~prt_flags)) {
+ dev_err(&dev->pdev->dev, "invalid flags combination 0x%08X\n",
+ args->flags);
+diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
+index 7ccadba7c98cd..9f522372a4884 100644
+--- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
++++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
+@@ -306,8 +306,12 @@ static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c,
+ const struct i2c_device_id *id)
+ {
+ struct device *dev = &stdp4028_i2c->dev;
++ int ret;
++
++ ret = ge_b850v3_lvds_init(dev);
+
+- ge_b850v3_lvds_init(dev);
++ if (ret)
++ return ret;
+
+ ge_b850v3_lvds_ptr->stdp4028_i2c = stdp4028_i2c;
+ i2c_set_clientdata(stdp4028_i2c, ge_b850v3_lvds_ptr);
+@@ -365,8 +369,12 @@ static int stdp2690_ge_b850v3_fw_probe(struct i2c_client *stdp2690_i2c,
+ const struct i2c_device_id *id)
+ {
+ struct device *dev = &stdp2690_i2c->dev;
++ int ret;
++
++ ret = ge_b850v3_lvds_init(dev);
+
+- ge_b850v3_lvds_init(dev);
++ if (ret)
++ return ret;
+
+ ge_b850v3_lvds_ptr->stdp2690_i2c = stdp2690_i2c;
+ i2c_set_clientdata(stdp2690_i2c, ge_b850v3_lvds_ptr);
+diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+index 63c7a01b7053e..d95b0703d0255 100644
+--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
++++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+@@ -311,7 +311,6 @@ static void dw_mipi_message_config(struct dw_mipi_dsi *dsi,
+ if (lpm)
+ val |= CMD_MODE_ALL_LP;
+
+- dsi_write(dsi, DSI_LPCLK_CTRL, lpm ? 0 : PHY_TXREQUESTCLKHS);
+ dsi_write(dsi, DSI_CMD_MODE_CFG, val);
+ }
+
+@@ -468,16 +467,22 @@ static void dw_mipi_dsi_video_mode_config(struct dw_mipi_dsi *dsi)
+ static void dw_mipi_dsi_set_mode(struct dw_mipi_dsi *dsi,
+ unsigned long mode_flags)
+ {
++ u32 val;
++
+ dsi_write(dsi, DSI_PWR_UP, RESET);
+
+ if (mode_flags & MIPI_DSI_MODE_VIDEO) {
+ dsi_write(dsi, DSI_MODE_CFG, ENABLE_VIDEO_MODE);
+ dw_mipi_dsi_video_mode_config(dsi);
+- dsi_write(dsi, DSI_LPCLK_CTRL, PHY_TXREQUESTCLKHS);
+ } else {
+ dsi_write(dsi, DSI_MODE_CFG, ENABLE_CMD_MODE);
+ }
+
++ val = PHY_TXREQUESTCLKHS;
++ if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)
++ val |= AUTO_CLKLANE_CTRL;
++ dsi_write(dsi, DSI_LPCLK_CTRL, val);
++
+ dsi_write(dsi, DSI_PWR_UP, POWERUP);
+ }
+
+diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
+index a5fb7404b29ea..816781f209d66 100644
+--- a/drivers/gpu/drm/i915/i915_drv.h
++++ b/drivers/gpu/drm/i915/i915_drv.h
+@@ -33,6 +33,8 @@
+ #include <uapi/drm/i915_drm.h>
+ #include <uapi/drm/drm_fourcc.h>
+
++#include <asm/hypervisor.h>
++
+ #include <linux/io-mapping.h>
+ #include <linux/i2c.h>
+ #include <linux/i2c-algo-bit.h>
+@@ -3141,7 +3143,9 @@ static inline bool intel_vtd_active(void)
+ if (intel_iommu_gfx_mapped)
+ return true;
+ #endif
+- return false;
++
++ /* Running as a guest, we assume the host is enforcing VT'd */
++ return !hypervisor_is_type(X86_HYPER_NATIVE);
+ }
+
+ static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv)
+diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
+index 68eed684dff52..353961c46fb47 100644
+--- a/drivers/gpu/drm/ttm/ttm_bo.c
++++ b/drivers/gpu/drm/ttm/ttm_bo.c
+@@ -721,7 +721,7 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
+ /* Don't evict this BO if it's outside of the
+ * requested placement range
+ */
+- if (place->fpfn >= (bo->mem.start + bo->mem.size) ||
++ if (place->fpfn >= (bo->mem.start + bo->mem.num_pages) ||
+ (place->lpfn && place->lpfn <= bo->mem.start))
+ return false;
+
+diff --git a/drivers/iio/adc/ti-adc0832.c b/drivers/iio/adc/ti-adc0832.c
+index e952e94a14afa..a78536b39b369 100644
+--- a/drivers/iio/adc/ti-adc0832.c
++++ b/drivers/iio/adc/ti-adc0832.c
+@@ -31,6 +31,12 @@ struct adc0832 {
+ struct regulator *reg;
+ struct mutex lock;
+ u8 mux_bits;
++ /*
++ * Max size needed: 16x 1 byte ADC data + 8 bytes timestamp
++ * May be shorter if not all channels are enabled subject
++ * to the timestamp remaining 8 byte aligned.
++ */
++ u8 data[24] __aligned(8);
+
+ u8 tx_buf[2] ____cacheline_aligned;
+ u8 rx_buf[2];
+@@ -203,7 +209,6 @@ static irqreturn_t adc0832_trigger_handler(int irq, void *p)
+ struct iio_poll_func *pf = p;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct adc0832 *adc = iio_priv(indio_dev);
+- u8 data[24] = { }; /* 16x 1 byte ADC data + 8 bytes timestamp */
+ int scan_index;
+ int i = 0;
+
+@@ -221,10 +226,10 @@ static irqreturn_t adc0832_trigger_handler(int irq, void *p)
+ goto out;
+ }
+
+- data[i] = ret;
++ adc->data[i] = ret;
+ i++;
+ }
+- 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/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 2cfd9389ee96f..b944ae828004a 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 7eb76a1a25053..521c13f7929c8 100644
+--- a/drivers/md/bitmap.c
++++ b/drivers/md/bitmap.c
+@@ -1369,7 +1369,7 @@ __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 cd055664dce3f..ed55b02f9f891 100644
+--- a/drivers/md/raid5.c
++++ b/drivers/md/raid5.c
+@@ -2415,8 +2415,6 @@ 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;
+
+@@ -2439,6 +2437,8 @@ 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 ee1230440b397..02258685800a7 100644
+--- a/drivers/media/pci/tw5864/tw5864-video.c
++++ b/drivers/media/pci/tw5864/tw5864-video.c
+@@ -776,6 +776,9 @@ 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;
+@@ -794,6 +797,9 @@ 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/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+index 46c996936798a..fd9e13500fe7f 100644
+--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
++++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+@@ -579,6 +579,13 @@ static int mtk_jpeg_queue_setup(struct vb2_queue *q,
+ if (!q_data)
+ return -EINVAL;
+
++ if (*num_planes) {
++ for (i = 0; i < *num_planes; i++)
++ if (sizes[i] < q_data->sizeimage[i])
++ return -EINVAL;
++ return 0;
++ }
++
+ *num_planes = q_data->fmt->colplanes;
+ for (i = 0; i < q_data->fmt->colplanes; i++) {
+ sizes[i] = q_data->sizeimage[i];
+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 2af7ae13449d3..cec867c10968b 100644
+--- a/drivers/message/fusion/mptscsih.c
++++ b/drivers/message/fusion/mptscsih.c
+@@ -1174,8 +1174,10 @@ mptscsih_remove(struct pci_dev *pdev)
+ MPT_SCSI_HOST *hd;
+ int sz1;
+
+- if((hd = shost_priv(host)) == NULL)
+- return;
++ if (host == NULL)
++ hd = NULL;
++ else
++ hd = shost_priv(host);
+
+ mptscsih_shutdown(pdev);
+
+@@ -1191,14 +1193,15 @@ 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 a863a345fc59b..8c0e348c6053c 100644
+--- a/drivers/mmc/host/via-sdmmc.c
++++ b/drivers/mmc/host/via-sdmmc.c
+@@ -1275,11 +1275,14 @@ 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/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+index a03239ba1a323..e146f6a1fa80d 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+@@ -5780,6 +5780,11 @@ static void bnxt_report_link(struct bnxt *bp)
+ u16 fec;
+
+ netif_carrier_on(bp->dev);
++ speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed);
++ if (speed == SPEED_UNKNOWN) {
++ netdev_info(bp->dev, "NIC Link is Up, speed unknown\n");
++ return;
++ }
+ if (bp->link_info.duplex == BNXT_LINK_DUPLEX_FULL)
+ duplex = "full";
+ else
+@@ -5792,7 +5797,6 @@ static void bnxt_report_link(struct bnxt *bp)
+ flow_ctrl = "ON - receive";
+ else
+ flow_ctrl = "none";
+- speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed);
+ netdev_info(bp->dev, "NIC Link is Up, %u Mbps %s duplex, Flow control: %s\n",
+ speed, duplex, flow_ctrl);
+ if (bp->flags & BNXT_FLAG_EEE_CAP)
+diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
+index dc12ab33afffb..bda615614af5d 100644
+--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
++++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
+@@ -520,6 +520,9 @@ 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 9f4d93a16b7e5..58496fb84b052 100644
+--- a/drivers/net/ethernet/renesas/ravb_main.c
++++ b/drivers/net/ethernet/renesas/ravb_main.c
+@@ -1768,12 +1768,16 @@ 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/gtp.c b/drivers/net/gtp.c
+index d3ccd6929579a..0440c96e98b3a 100644
+--- a/drivers/net/gtp.c
++++ b/drivers/net/gtp.c
+@@ -667,10 +667,6 @@ static int gtp_newlink(struct net *src_net, struct net_device *dev,
+
+ gtp = netdev_priv(dev);
+
+- err = gtp_encap_enable(gtp, data);
+- if (err < 0)
+- return err;
+-
+ if (!data[IFLA_GTP_PDP_HASHSIZE]) {
+ hashsize = 1024;
+ } else {
+@@ -681,12 +677,16 @@ static int gtp_newlink(struct net *src_net, struct net_device *dev,
+
+ err = gtp_hashtable_new(gtp, hashsize);
+ if (err < 0)
+- goto out_encap;
++ return err;
++
++ err = gtp_encap_enable(gtp, data);
++ if (err < 0)
++ goto out_hashtable;
+
+ err = register_netdevice(dev);
+ if (err < 0) {
+ netdev_dbg(dev, "failed to register new netdev %d\n", err);
+- goto out_hashtable;
++ goto out_encap;
+ }
+
+ gn = net_generic(dev_net(dev), gtp_net_id);
+@@ -697,11 +697,11 @@ static int gtp_newlink(struct net *src_net, struct net_device *dev,
+
+ return 0;
+
++out_encap:
++ gtp_encap_disable(gtp);
+ out_hashtable:
+ kfree(gtp->addr_hash);
+ kfree(gtp->tid_hash);
+-out_encap:
+- gtp_encap_disable(gtp);
+ return err;
+ }
+
+diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
+index 5a8dbeaf1a427..d3b5532180585 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 fd276e54bb7c2..4358d175f954b 100644
+--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
++++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
+@@ -622,6 +622,7 @@ 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);
+@@ -666,11 +667,16 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar,
+ */
+ 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/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
+index fef313099e08a..34e8b4344f40a 100644
+--- a/drivers/net/wireless/ath/ath10k/sdio.c
++++ b/drivers/net/wireless/ath/ath10k/sdio.c
+@@ -561,6 +561,10 @@ static int ath10k_sdio_mbox_rx_alloc(struct ath10k *ar,
+ le16_to_cpu(htc_hdr->len),
+ ATH10K_HTC_MBOX_MAX_PAYLOAD_LENGTH);
+ ret = -ENOMEM;
++
++ queue_work(ar->workqueue, &ar->restart_work);
++ ath10k_warn(ar, "exceeds length, start recovery\n");
++
+ goto err;
+ }
+
+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/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
+index c91bfd839cabe..564e457f1345e 100644
+--- a/drivers/nvme/host/rdma.c
++++ b/drivers/nvme/host/rdma.c
+@@ -1545,7 +1545,6 @@ static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id,
+ complete(&queue->cm_done);
+ return 0;
+ case RDMA_CM_EVENT_REJECTED:
+- nvme_rdma_destroy_queue_ib(queue);
+ cm_error = nvme_rdma_conn_rejected(queue, ev);
+ break;
+ case RDMA_CM_EVENT_ROUTE_ERROR:
+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 1ed3403ff8ac2..5192297bcfdb7 100644
+--- a/drivers/rtc/rtc-rx8010.c
++++ b/drivers/rtc/rtc-rx8010.c
+@@ -429,16 +429,26 @@ 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;
+
+@@ -469,16 +479,16 @@ 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/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 f65c23ce83f16..deec2d04c2dd9 100644
+--- a/drivers/staging/fsl-mc/bus/mc-io.c
++++ b/drivers/staging/fsl-mc/bus/mc-io.c
+@@ -166,7 +166,12 @@ 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 1a44291318ee8..c5a8348c1df07 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 void copy_segments_to_skb(cvmx_wqe_t *work, struct sk_buff *skb)
+diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
+index 429e24adfcf5a..968b832811a90 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>
+@@ -878,6 +879,14 @@ 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/staging/typec/pd.h b/drivers/staging/typec/pd.h
+index 30b32ad72acd7..a18ab898fa668 100644
+--- a/drivers/staging/typec/pd.h
++++ b/drivers/staging/typec/pd.h
+@@ -280,6 +280,7 @@ static inline unsigned int rdo_max_power(u32 rdo)
+ #define PD_T_ERROR_RECOVERY 100 /* minimum 25 is insufficient */
+ #define PD_T_SRCSWAPSTDBY 625 /* Maximum of 650ms */
+ #define PD_T_NEWSRC 250 /* Maximum of 275ms */
++#define PD_T_SWAP_SRC_START 20 /* Minimum of 20ms */
+
+ #define PD_T_DRP_TRY 100 /* 75 - 150 ms */
+ #define PD_T_DRP_TRYWAIT 600 /* 400 - 800 ms */
+diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c
+index f237e31926f4c..686037a498c19 100644
+--- a/drivers/staging/typec/tcpm.c
++++ b/drivers/staging/typec/tcpm.c
+@@ -2741,7 +2741,7 @@ static void run_state_machine(struct tcpm_port *port)
+ */
+ tcpm_set_pwr_role(port, TYPEC_SOURCE);
+ tcpm_pd_send_control(port, PD_CTRL_PS_RDY);
+- tcpm_set_state(port, SRC_STARTUP, 0);
++ tcpm_set_state(port, SRC_STARTUP, PD_T_SWAP_SRC_START);
+ break;
+
+ case VCONN_SWAP_ACCEPT:
+diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c
+index 610cb8338d535..aff07929e8e68 100644
+--- a/drivers/tty/vt/keyboard.c
++++ b/drivers/tty/vt/keyboard.c
+@@ -713,8 +713,13 @@ 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_ioctl.c b/drivers/tty/vt/vt_ioctl.c
+index 1184105b2a17b..416de29b133ad 100644
+--- a/drivers/tty/vt/vt_ioctl.c
++++ b/drivers/tty/vt/vt_ioctl.c
+@@ -244,7 +244,7 @@ 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;
+@@ -262,15 +262,16 @@ 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;
+@@ -278,7 +279,6 @@ 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;
+ }
+@@ -924,7 +924,7 @@ 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;
+ }
+
+@@ -935,7 +935,7 @@ 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;
+ }
+
+@@ -952,7 +952,7 @@ 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:
+@@ -969,11 +969,11 @@ 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;
+ }
+@@ -1100,8 +1100,9 @@ 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;
+@@ -1119,7 +1120,8 @@ 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;
+@@ -1127,7 +1129,7 @@ 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;
+@@ -1218,7 +1220,7 @@ 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/uio/uio.c b/drivers/uio/uio.c
+index 7c18536a3742a..4fc94b5e15ef4 100644
+--- a/drivers/uio/uio.c
++++ b/drivers/uio/uio.c
+@@ -1009,8 +1009,6 @@ void uio_unregister_device(struct uio_info *info)
+
+ idev = info->uio_dev;
+
+- uio_free_minor(idev);
+-
+ mutex_lock(&idev->info_lock);
+ uio_dev_del_attributes(idev);
+
+@@ -1022,6 +1020,8 @@ void uio_unregister_device(struct uio_info *info)
+
+ device_unregister(&idev->dev);
+
++ uio_free_minor(idev);
++
+ return;
+ }
+ EXPORT_SYMBOL_GPL(uio_unregister_device);
+diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
+index 8129040a3d0f2..d07033d99c81f 100644
+--- a/drivers/usb/class/cdc-acm.c
++++ b/drivers/usb/class/cdc-acm.c
+@@ -520,6 +520,7 @@ static void acm_read_bulk_callback(struct urb *urb)
+ "%s - cooling babbling device\n", __func__);
+ usb_mark_last_busy(acm->dev);
+ set_bit(rb->index, &acm->urbs_in_error_delay);
++ set_bit(ACM_ERROR_DELAY, &acm->flags);
+ cooldown = true;
+ break;
+ default:
+@@ -545,7 +546,7 @@ static void acm_read_bulk_callback(struct urb *urb)
+
+ if (stopped || stalled || cooldown) {
+ if (stalled)
+- schedule_work(&acm->work);
++ schedule_delayed_work(&acm->dwork, 0);
+ else if (cooldown)
+ schedule_delayed_work(&acm->dwork, HZ / 2);
+ return;
+@@ -580,13 +581,13 @@ static void acm_write_bulk(struct urb *urb)
+ acm_write_done(acm, wb);
+ spin_unlock_irqrestore(&acm->write_lock, flags);
+ set_bit(EVENT_TTY_WAKEUP, &acm->flags);
+- schedule_work(&acm->work);
++ schedule_delayed_work(&acm->dwork, 0);
+ }
+
+ static void acm_softint(struct work_struct *work)
+ {
+ int i;
+- struct acm *acm = container_of(work, struct acm, work);
++ struct acm *acm = container_of(work, struct acm, dwork.work);
+
+ if (test_bit(EVENT_RX_STALL, &acm->flags)) {
+ smp_mb(); /* against acm_suspend() */
+@@ -602,7 +603,7 @@ static void acm_softint(struct work_struct *work)
+ if (test_and_clear_bit(ACM_ERROR_DELAY, &acm->flags)) {
+ for (i = 0; i < acm->rx_buflimit; i++)
+ if (test_and_clear_bit(i, &acm->urbs_in_error_delay))
+- acm_submit_read_urb(acm, i, GFP_NOIO);
++ acm_submit_read_urb(acm, i, GFP_KERNEL);
+ }
+
+ if (test_and_clear_bit(EVENT_TTY_WAKEUP, &acm->flags))
+@@ -1405,7 +1406,6 @@ made_compressed_probe:
+ acm->ctrlsize = ctrlsize;
+ acm->readsize = readsize;
+ acm->rx_buflimit = num_rx_buf;
+- INIT_WORK(&acm->work, acm_softint);
+ INIT_DELAYED_WORK(&acm->dwork, acm_softint);
+ init_waitqueue_head(&acm->wioctl);
+ spin_lock_init(&acm->write_lock);
+@@ -1619,7 +1619,6 @@ static void acm_disconnect(struct usb_interface *intf)
+ }
+
+ acm_kill_urbs(acm);
+- cancel_work_sync(&acm->work);
+ cancel_delayed_work_sync(&acm->dwork);
+
+ tty_unregister_device(acm_tty_driver, acm->minor);
+@@ -1662,7 +1661,6 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
+ return 0;
+
+ acm_kill_urbs(acm);
+- cancel_work_sync(&acm->work);
+ cancel_delayed_work_sync(&acm->dwork);
+ acm->urbs_in_error_delay = 0;
+
+diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
+index 30380d28a504b..d8f8651425c46 100644
+--- a/drivers/usb/class/cdc-acm.h
++++ b/drivers/usb/class/cdc-acm.h
+@@ -111,8 +111,7 @@ struct acm {
+ # define ACM_ERROR_DELAY 3
+ unsigned long urbs_in_error_delay; /* these need to be restarted after a delay */
+ struct usb_cdc_line_coding line; /* bits, stop, parity */
+- struct work_struct work; /* work queue entry for various purposes*/
+- struct delayed_work dwork; /* for cool downs needed in error recovery */
++ struct delayed_work dwork; /* work queue entry for various purposes */
+ unsigned int ctrlin; /* input control lines (DCD, DSR, RI, break, overruns) */
+ unsigned int ctrlout; /* output control lines (DTR, RTS) */
+ struct async_icount iocount; /* counters for control line changes */
+diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
+index 010201dbd029a..f3fca4537d255 100644
+--- a/drivers/usb/dwc3/core.c
++++ b/drivers/usb/dwc3/core.c
+@@ -1287,6 +1287,17 @@ 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:
+@@ -1332,9 +1343,9 @@ 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/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
+index cb50806d24598..f0d37a2fb66b5 100644
+--- a/drivers/usb/dwc3/ep0.c
++++ b/drivers/usb/dwc3/ep0.c
+@@ -967,12 +967,16 @@ static void dwc3_ep0_xfer_complete(struct dwc3 *dwc,
+ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
+ struct dwc3_ep *dep, struct dwc3_request *req)
+ {
++ unsigned int trb_length = 0;
+ int ret;
+
+ req->direction = !!dep->number;
+
+ if (req->request.length == 0) {
+- dwc3_ep0_prepare_one_trb(dep, dwc->ep0_trb_addr, 0,
++ if (!req->direction)
++ trb_length = dep->endpoint.maxpacket;
++
++ dwc3_ep0_prepare_one_trb(dep, dwc->bounce_addr, trb_length,
+ DWC3_TRBCTL_CONTROL_DATA, false);
+ ret = dwc3_ep0_start_trans(dep);
+ } else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket)
+@@ -1024,9 +1028,12 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
+
+ req->trb = &dwc->ep0_trb[dep->trb_enqueue - 1];
+
++ if (!req->direction)
++ trb_length = dep->endpoint.maxpacket;
++
+ /* Now prepare one extra TRB to align transfer size */
+ dwc3_ep0_prepare_one_trb(dep, dwc->bounce_addr,
+- 0, DWC3_TRBCTL_CONTROL_DATA,
++ trb_length, DWC3_TRBCTL_CONTROL_DATA,
+ false);
+ ret = dwc3_ep0_start_trans(dep);
+ } else {
+diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
+index ba557cdba8ef6..967bd036e13e7 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 45390045c75dc..852f768ef77b2 100644
+--- a/drivers/usb/misc/adutux.c
++++ b/drivers/usb/misc/adutux.c
+@@ -209,6 +209,7 @@ 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/vhost/vringh.c b/drivers/vhost/vringh.c
+index bb8971f2a634b..1e2e01270be97 100644
+--- a/drivers/vhost/vringh.c
++++ b/drivers/vhost/vringh.c
+@@ -273,13 +273,14 @@ __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 867c5218968f7..426e79061bc88 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 8851d441e5fd1..b972c55f4fe0a 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>
+
+@@ -47,12 +47,12 @@ 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);
+
+@@ -62,7 +62,7 @@ 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;
+ }
+@@ -75,12 +75,12 @@ 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);
+
+@@ -90,7 +90,7 @@ 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/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
+index 2651192f01667..13e126f578514 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 cf1e8ba50f6bf..7ff0eb63e6191 100644
+--- a/fs/btrfs/ctree.c
++++ b/fs/btrfs/ctree.c
+@@ -1130,6 +1130,8 @@ 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;
+ }
+@@ -1137,6 +1139,8 @@ 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;
+ }
+@@ -1168,6 +1172,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
+ if (last_ref) {
+ ret = tree_mod_log_free_eb(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 440c0d5d2050b..3a3ef73d877e8 100644
+--- a/fs/btrfs/reada.c
++++ b/fs/btrfs/reada.c
+@@ -456,6 +456,8 @@ static struct reada_extent *reada_find_extent(struct btrfs_fs_info *fs_info,
+ }
+ 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/send.c b/fs/btrfs/send.c
+index 654ab6e57ec32..447976579ed2c 100644
+--- a/fs/btrfs/send.c
++++ b/fs/btrfs/send.c
+@@ -3820,6 +3820,72 @@ static int update_ref_path(struct send_ctx *sctx, struct recorded_ref *ref)
+ return 0;
+ }
+
++/*
++ * When processing the new references for an inode we may orphanize an existing
++ * directory inode because its old name conflicts with one of the new references
++ * of the current inode. Later, when processing another new reference of our
++ * inode, we might need to orphanize another inode, but the path we have in the
++ * reference reflects the pre-orphanization name of the directory we previously
++ * orphanized. For example:
++ *
++ * parent snapshot looks like:
++ *
++ * . (ino 256)
++ * |----- f1 (ino 257)
++ * |----- f2 (ino 258)
++ * |----- d1/ (ino 259)
++ * |----- d2/ (ino 260)
++ *
++ * send snapshot looks like:
++ *
++ * . (ino 256)
++ * |----- d1 (ino 258)
++ * |----- f2/ (ino 259)
++ * |----- f2_link/ (ino 260)
++ * | |----- f1 (ino 257)
++ * |
++ * |----- d2 (ino 258)
++ *
++ * When processing inode 257 we compute the name for inode 259 as "d1", and we
++ * cache it in the name cache. Later when we start processing inode 258, when
++ * collecting all its new references we set a full path of "d1/d2" for its new
++ * reference with name "d2". When we start processing the new references we
++ * start by processing the new reference with name "d1", and this results in
++ * orphanizing inode 259, since its old reference causes a conflict. Then we
++ * move on the next new reference, with name "d2", and we find out we must
++ * orphanize inode 260, as its old reference conflicts with ours - but for the
++ * orphanization we use a source path corresponding to the path we stored in the
++ * new reference, which is "d1/d2" and not "o259-6-0/d2" - this makes the
++ * receiver fail since the path component "d1/" no longer exists, it was renamed
++ * to "o259-6-0/" when processing the previous new reference. So in this case we
++ * must recompute the path in the new reference and use it for the new
++ * orphanization operation.
++ */
++static int refresh_ref_path(struct send_ctx *sctx, struct recorded_ref *ref)
++{
++ char *name;
++ int ret;
++
++ name = kmemdup(ref->name, ref->name_len, GFP_KERNEL);
++ if (!name)
++ return -ENOMEM;
++
++ fs_path_reset(ref->full_path);
++ ret = get_cur_path(sctx, ref->dir, ref->dir_gen, ref->full_path);
++ if (ret < 0)
++ goto out;
++
++ ret = fs_path_add(ref->full_path, name, ref->name_len);
++ if (ret < 0)
++ goto out;
++
++ /* Update the reference's base name pointer. */
++ set_ref_path(ref, ref->full_path);
++out:
++ kfree(name);
++ return ret;
++}
++
+ /*
+ * This does all the move/link/unlink/rmdir magic.
+ */
+@@ -3950,6 +4016,12 @@ static int process_recorded_refs(struct send_ctx *sctx, int *pending_move)
+ struct name_cache_entry *nce;
+ struct waiting_dir_move *wdm;
+
++ if (orphanized_dir) {
++ ret = refresh_ref_path(sctx, cur);
++ if (ret < 0)
++ goto out;
++ }
++
+ ret = orphanize_inode(sctx, ow_inode, ow_gen,
+ cur->full_path);
+ if (ret < 0)
+@@ -6629,7 +6701,7 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
+
+ alloc_size = sizeof(struct clone_root) * (arg->clone_sources_count + 1);
+
+- sctx->clone_roots = kzalloc(alloc_size, GFP_KERNEL);
++ sctx->clone_roots = kvzalloc(alloc_size, GFP_KERNEL);
+ if (!sctx->clone_roots) {
+ ret = -ENOMEM;
+ goto out;
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
+index ec8706a6e9c66..e40c27aec949b 100644
+--- a/fs/btrfs/tree-log.c
++++ b/fs/btrfs/tree-log.c
+@@ -3478,6 +3478,7 @@ 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;
+@@ -3497,6 +3498,13 @@ 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 9fbeddb6834a4..9ce03fc5eb32c 100644
+--- a/fs/buffer.c
++++ b/fs/buffer.c
+@@ -2799,16 +2799,6 @@ 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 */
+ }
+@@ -3003,12 +2993,6 @@ 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 c073a0f680fd8..8300e4755882f 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 4d622654bfbcc..ae1435c12d2be 100644
+--- a/fs/ceph/addr.c
++++ b/fs/ceph/addr.c
+@@ -1443,7 +1443,7 @@ static int ceph_filemap_fault(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 d13a154c84240..4cda0e960bc26 100644
+--- a/fs/crypto/policy.c
++++ b/fs/crypto/policy.c
+@@ -153,8 +153,7 @@ EXPORT_SYMBOL(fscrypt_ioctl_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 5b68e4294faa5..834615f13f3e3 100644
+--- a/fs/efivarfs/super.c
++++ b/fs/efivarfs/super.c
+@@ -145,6 +145,9 @@ 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/inode.c b/fs/ext4/inode.c
+index 34da8d341c0c4..1d8638ee54420 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -5135,6 +5135,12 @@ static int ext4_do_update_inode(handle_t *handle,
+ if (ext4_test_inode_state(inode, EXT4_STATE_NEW))
+ memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size);
+
++ err = ext4_inode_blocks_set(handle, raw_inode, ei);
++ if (err) {
++ spin_unlock(&ei->i_raw_lock);
++ goto out_brelse;
++ }
++
+ raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+ i_uid = i_uid_read(inode);
+ i_gid = i_gid_read(inode);
+@@ -5168,11 +5174,6 @@ static int ext4_do_update_inode(handle_t *handle,
+ EXT4_INODE_SET_XTIME(i_atime, inode, raw_inode);
+ EXT4_EINODE_SET_XTIME(i_crtime, ei, raw_inode);
+
+- err = ext4_inode_blocks_set(handle, raw_inode, ei);
+- if (err) {
+- spin_unlock(&ei->i_raw_lock);
+- goto out_brelse;
+- }
+ raw_inode->i_dtime = cpu_to_le32(ei->i_dtime);
+ raw_inode->i_flags = cpu_to_le32(ei->i_flags & 0xFFFFFFFF);
+ if (likely(!test_opt2(inode->i_sb, HURD_COMPAT)))
+diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
+index 3f999053457b6..6936de30fcf0d 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -3280,7 +3280,7 @@ 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,
+@@ -3618,7 +3618,7 @@ 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;
+ }
+
+@@ -3798,7 +3798,7 @@ 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/resize.c b/fs/ext4/resize.c
+index 19af346a66514..454fd21a00b40 100644
+--- a/fs/ext4/resize.c
++++ b/fs/ext4/resize.c
+@@ -837,8 +837,10 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
+
+ BUFFER_TRACE(dind, "get_write_access");
+ err = ext4_journal_get_write_access(handle, dind);
+- if (unlikely(err))
++ if (unlikely(err)) {
+ ext4_std_error(sb, err);
++ goto errout;
++ }
+
+ /* ext4_reserve_inode_write() gets a reference on the iloc */
+ err = ext4_reserve_inode_write(handle, inode, &iloc);
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 634c822d1dc98..ec96466f29090 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -4505,6 +4505,7 @@ cantfind_ext4:
+
+ failed_mount8:
+ ext4_unregister_sysfs(sb);
++ kobject_put(&sbi->s_kobj);
+ failed_mount7:
+ ext4_unregister_li_request(sb);
+ failed_mount6:
+@@ -5626,6 +5627,11 @@ 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 170423ff27210..0f2286e57907c 100644
+--- a/fs/f2fs/checkpoint.c
++++ b/fs/f2fs/checkpoint.c
+@@ -202,6 +202,8 @@ 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);
+@@ -942,8 +944,12 @@ 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/namei.c b/fs/f2fs/namei.c
+index b13383948fca3..9fb98fce70965 100644
+--- a/fs/f2fs/namei.c
++++ b/fs/f2fs/namei.c
+@@ -222,7 +222,7 @@ 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;
+
+ if (is_inode_flag_set(dir, FI_PROJ_INHERIT) &&
+ (!projid_eq(F2FS_I(dir)->i_projid,
+@@ -746,7 +746,7 @@ 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;
+ }
+
+@@ -942,7 +942,7 @@ 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;
+
+ if ((is_inode_flag_set(new_dir, FI_PROJ_INHERIT) &&
+ !projid_eq(F2FS_I(new_dir)->i_projid,
+diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
+index 1b9c4c19bed29..cfc19140f2a07 100644
+--- a/fs/fuse/dev.c
++++ b/fs/fuse/dev.c
+@@ -845,15 +845,16 @@ 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;
+@@ -893,7 +894,7 @@ 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);
+@@ -912,14 +913,19 @@ 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);
+@@ -928,10 +934,10 @@ 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,
+@@ -943,14 +949,16 @@ 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 2de67588ac2d8..0b5c37ceb3ed3 100644
+--- a/fs/gfs2/ops_fstype.c
++++ b/fs/gfs2/ops_fstype.c
+@@ -161,15 +161,19 @@ 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 e5686be67be8d..d57d453aecc2d 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/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
+index 997b731ee19ab..bb899a6fe8ac0 100644
+--- a/fs/nfs/nfs4proc.c
++++ b/fs/nfs/nfs4proc.c
+@@ -7283,9 +7283,11 @@ int nfs4_proc_secinfo(struct inode *dir, const struct qstr *name,
+ * both PNFS and NON_PNFS flags set, and not having one of NON_PNFS, PNFS, or
+ * DS flags set.
+ */
+-static int nfs4_check_cl_exchange_flags(u32 flags)
++static int nfs4_check_cl_exchange_flags(u32 flags, u32 version)
+ {
+- if (flags & ~EXCHGID4_FLAG_MASK_R)
++ if (version >= 2 && (flags & ~EXCHGID4_2_FLAG_MASK_R))
++ goto out_inval;
++ else if (version < 2 && (flags & ~EXCHGID4_FLAG_MASK_R))
+ goto out_inval;
+ if ((flags & EXCHGID4_FLAG_USE_PNFS_MDS) &&
+ (flags & EXCHGID4_FLAG_USE_NON_PNFS))
+@@ -7680,7 +7682,8 @@ static int _nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred,
+ if (status != 0)
+ goto out;
+
+- status = nfs4_check_cl_exchange_flags(resp->flags);
++ status = nfs4_check_cl_exchange_flags(resp->flags,
++ clp->cl_mvops->minor_version);
+ if (status != 0)
+ goto out;
+
+diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
+index 43c0419b8ddbd..fc6282181a1fa 100644
+--- a/fs/nfsd/nfsproc.c
++++ b/fs/nfsd/nfsproc.c
+@@ -118,6 +118,13 @@ done:
+ return nfsd_return_attrs(nfserr, resp);
+ }
+
++/* Obsolete, replaced by MNTPROC_MNT. */
++static __be32
++nfsd_proc_root(struct svc_rqst *rqstp)
++{
++ return nfs_ok;
++}
++
+ /*
+ * Look up a path name component
+ * Note: the dentry in the resp->fh may be negative if the file
+@@ -201,6 +208,13 @@ nfsd_proc_read(struct svc_rqst *rqstp)
+ return fh_getattr(&resp->fh, &resp->stat);
+ }
+
++/* Reserved */
++static __be32
++nfsd_proc_writecache(struct svc_rqst *rqstp)
++{
++ return nfs_ok;
++}
++
+ /*
+ * Write data to a file
+ * N.B. After this call resp->fh needs an fh_put
+@@ -605,6 +619,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
+ .pc_xdrressize = ST+AT,
+ },
+ [NFSPROC_ROOT] = {
++ .pc_func = nfsd_proc_root,
+ .pc_decode = nfssvc_decode_void,
+ .pc_encode = nfssvc_encode_void,
+ .pc_argsize = sizeof(struct nfsd_void),
+@@ -642,6 +657,7 @@ static const struct svc_procedure nfsd_procedures2[18] = {
+ .pc_xdrressize = ST+AT+1+NFSSVC_MAXBLKSIZE_V2/4,
+ },
+ [NFSPROC_WRITECACHE] = {
++ .pc_func = nfsd_proc_writecache,
+ .pc_decode = nfssvc_decode_void,
+ .pc_encode = nfssvc_encode_void,
+ .pc_argsize = sizeof(struct nfsd_void),
+diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
+index 7cd8a7b95299c..80cdd64aa7c3a 100644
+--- a/fs/ubifs/debug.c
++++ b/fs/ubifs/debug.c
+@@ -1129,6 +1129,7 @@ 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/ubifs/dir.c b/fs/ubifs/dir.c
+index 358abc26dbc0b..9d5face7fdc01 100644
+--- a/fs/ubifs/dir.c
++++ b/fs/ubifs/dir.c
+@@ -747,7 +747,7 @@ static int ubifs_link(struct dentry *old_dentry, struct inode *dir,
+
+ if (ubifs_crypt_is_encrypted(dir) &&
+ !fscrypt_has_permitted_context(dir, inode))
+- return -EPERM;
++ return -EXDEV;
+
+ err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &nm);
+ if (err)
+@@ -1357,7 +1357,7 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry,
+ if (old_dir != new_dir) {
+ if (ubifs_crypt_is_encrypted(new_dir) &&
+ !fscrypt_has_permitted_context(new_dir, old_inode))
+- return -EPERM;
++ return -EXDEV;
+ }
+
+ if (unlink && is_dir) {
+@@ -1579,7 +1579,7 @@ static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry,
+ (old_dir != new_dir) &&
+ (!fscrypt_has_permitted_context(new_dir, fst_inode) ||
+ !fscrypt_has_permitted_context(old_dir, snd_inode)))
+- return -EPERM;
++ return -EXDEV;
+
+ err = fscrypt_setup_filename(old_dir, &old_dentry->d_name, 0, &fst_nm);
+ if (err)
+diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
+index 7d3b56872e563..f1cf832837104 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/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 122f3439e1af2..c65d7a3be3c69 100644
+--- a/include/linux/mtd/pfow.h
++++ b/include/linux/mtd/pfow.h
+@@ -128,7 +128,7 @@ 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/include/uapi/linux/nfs4.h b/include/uapi/linux/nfs4.h
+index 8572930cf5b00..54a78529c8b38 100644
+--- a/include/uapi/linux/nfs4.h
++++ b/include/uapi/linux/nfs4.h
+@@ -136,6 +136,8 @@
+
+ #define EXCHGID4_FLAG_UPD_CONFIRMED_REC_A 0x40000000
+ #define EXCHGID4_FLAG_CONFIRMED_R 0x80000000
++
++#define EXCHGID4_FLAG_SUPP_FENCE_OPS 0x00000004
+ /*
+ * Since the validity of these bits depends on whether
+ * they're set in the argument or response, have separate
+@@ -143,6 +145,7 @@
+ */
+ #define EXCHGID4_FLAG_MASK_A 0x40070103
+ #define EXCHGID4_FLAG_MASK_R 0x80070103
++#define EXCHGID4_2_FLAG_MASK_R 0x80070107
+
+ #define SEQ4_STATUS_CB_PATH_DOWN 0x00000001
+ #define SEQ4_STATUS_CB_GSS_CONTEXTS_EXPIRING 0x00000002
+diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
+index 1c095b5a99c58..b773e96b4a286 100644
+--- a/include/uapi/linux/videodev2.h
++++ b/include/uapi/linux/videodev2.h
+@@ -362,9 +362,9 @@ enum v4l2_hsv_encoding {
+
+ enum v4l2_quantization {
+ /*
+- * The default for R'G'B' quantization is always full range, except
+- * for the BT2020 colorspace. For Y'CbCr the quantization is always
+- * limited range, except for COLORSPACE_JPEG: this is full range.
++ * The default for R'G'B' quantization is always full range.
++ * For Y'CbCr the quantization is always limited range, except
++ * for COLORSPACE_JPEG: this is full range.
+ */
+ V4L2_QUANTIZATION_DEFAULT = 0,
+ V4L2_QUANTIZATION_FULL_RANGE = 1,
+@@ -373,14 +373,13 @@ enum v4l2_quantization {
+
+ /*
+ * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
+- * This depends on whether the image is RGB or not, the colorspace and the
+- * Y'CbCr encoding.
++ * This depends on whether the image is RGB or not, the colorspace.
++ * The Y'CbCr encoding is not used anymore, but is still there for backwards
++ * compatibility.
+ */
+ #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
+- (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
+- V4L2_QUANTIZATION_LIM_RANGE : \
+- (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
+- V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
++ (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
++ V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
+
+ enum v4l2_priority {
+ V4L2_PRIORITY_UNSET = 0, /* not initialized */
+diff --git a/init/Kconfig b/init/Kconfig
+index 46075327c165d..20f709ea1eb38 100644
+--- a/init/Kconfig
++++ b/init/Kconfig
+@@ -500,7 +500,8 @@ 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 694fcd0492827..4cf5697e72b18 100644
+--- a/kernel/debug/debug_core.c
++++ b/kernel/debug/debug_core.c
+@@ -95,14 +95,6 @@ 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);
+
+@@ -816,6 +808,20 @@ 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/futex.c b/kernel/futex.c
+index 2921ebaa14676..8f0e62c59a55b 100644
+--- a/kernel/futex.c
++++ b/kernel/futex.c
+@@ -1595,8 +1595,10 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_pi_state *pi_
+ */
+ newval = FUTEX_WAITERS | task_pid_vnr(new_owner);
+
+- if (unlikely(should_fail_futex(true)))
++ if (unlikely(should_fail_futex(true))) {
+ ret = -EFAULT;
++ goto out_unlock;
++ }
+
+ ret = cmpxchg_futex_value_locked(&curval, uaddr, uval, newval);
+ if (!ret && (curval != uval)) {
+diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
+index 8123a8b53c54b..b9b71e7fb6979 100644
+--- a/kernel/trace/ring_buffer.c
++++ b/kernel/trace/ring_buffer.c
+@@ -1625,18 +1625,18 @@ 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);
+
+@@ -1776,7 +1776,7 @@ 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/lib/scatterlist.c b/lib/scatterlist.c
+index 834c846c5af84..2cf02a82d502b 100644
+--- a/lib/scatterlist.c
++++ b/lib/scatterlist.c
+@@ -477,7 +477,7 @@ struct scatterlist *sgl_alloc_order(unsigned long long length,
+ elem_len = min_t(u64, length, PAGE_SIZE << order);
+ page = alloc_pages(gfp, order);
+ if (!page) {
+- sgl_free(sgl);
++ sgl_free_order(sgl, order);
+ return NULL;
+ }
+
+diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
+index 9f020559c1928..1b56b22c5c5d7 100644
+--- a/net/9p/trans_fd.c
++++ b/net/9p/trans_fd.c
+@@ -1029,7 +1029,7 @@ 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 081a41c753413..274dfbb375fc6 100644
+--- a/net/ceph/messenger.c
++++ b/net/ceph/messenger.c
+@@ -3007,6 +3007,11 @@ 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/tipc/msg.c b/net/tipc/msg.c
+index e61657a0438a9..2964677e909d5 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/scripts/setlocalversion b/scripts/setlocalversion
+index 365b3c2b8f431..2cb0b92f40bed 100755
+--- a/scripts/setlocalversion
++++ b/scripts/setlocalversion
+@@ -45,7 +45,7 @@ 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=$(git rev-parse --verify HEAD 2>/dev/null); then
+
+ # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
+ # it, because this version is defined in the top level Makefile.
+@@ -59,11 +59,22 @@ scm_version()
+ fi
+ # If we are past a tagged commit (like
+ # "v2.6.30-rc5-302-g72357d5"), we pretty print it.
+- if atag="`git describe 2>/dev/null`"; then
+- echo "$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/tools/perf/util/print_binary.c b/tools/perf/util/print_binary.c
+index 779e35c9e566f..95e362e4d2576 100644
+--- a/tools/perf/util/print_binary.c
++++ b/tools/perf/util/print_binary.c
+@@ -48,7 +48,7 @@ int is_printable_array(char *p, unsigned int len)
+
+ len--;
+
+- for (i = 0; i < len; i++) {
++ for (i = 0; i < len && p[i]; i++) {
+ if (!isprint(p[i]) && !isspace(p[i]))
+ return 0;
+ }
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