From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.14 commit in: /
Date: Sat, 8 Dec 2018 13:22:52 +0000 (UTC) [thread overview]
Message-ID: <1544275238.5829d907f1f0a3ef05e7a0339159b485cc84bb50.mpagano@gentoo> (raw)
commit: 5829d907f1f0a3ef05e7a0339159b485cc84bb50
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sat Dec 8 13:20:38 2018 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sat Dec 8 13:20:38 2018 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=5829d907
proj/linux-patches: Linux patch 4.14.87
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1086_linux-4.14.87.patch | 2334 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 2338 insertions(+)
diff --git a/0000_README b/0000_README
index b0b15a3..b64e7d4 100644
--- a/0000_README
+++ b/0000_README
@@ -387,6 +387,10 @@ Patch: 1085_4.14.86.patch
From: http://www.kernel.org
Desc: Linux 4.14.86
+Patch: 1086_4.14.87.patch
+From: http://www.kernel.org
+Desc: Linux 4.14.87
+
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/1086_linux-4.14.87.patch b/1086_linux-4.14.87.patch
new file mode 100644
index 0000000..89e0a61
--- /dev/null
+++ b/1086_linux-4.14.87.patch
@@ -0,0 +1,2334 @@
+diff --git a/Makefile b/Makefile
+index 572bd98d2344..322484348f3e 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 86
++SUBLEVEL = 87
+ EXTRAVERSION =
+ NAME = Petit Gorille
+
+@@ -803,6 +803,9 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
+ # disable pointer signed / unsigned warnings in gcc 4.0
+ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign)
+
++# disable stringop warnings in gcc 8+
++KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
++
+ # disable invalid "can't wrap" optimizations for signed / pointers
+ KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
+
+diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
+index 8ff066090680..9d06c9478a0d 100644
+--- a/arch/arc/Kconfig
++++ b/arch/arc/Kconfig
+@@ -109,7 +109,7 @@ endmenu
+
+ choice
+ prompt "ARC Instruction Set"
+- default ISA_ARCOMPACT
++ default ISA_ARCV2
+
+ config ISA_ARCOMPACT
+ bool "ARCompact ISA"
+diff --git a/arch/arc/Makefile b/arch/arc/Makefile
+index 7c6c97782022..2917f56f0ea4 100644
+--- a/arch/arc/Makefile
++++ b/arch/arc/Makefile
+@@ -6,7 +6,7 @@
+ # published by the Free Software Foundation.
+ #
+
+-KBUILD_DEFCONFIG := nsim_700_defconfig
++KBUILD_DEFCONFIG := nsim_hs_defconfig
+
+ cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
+ cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7
+diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
+index ece78630d711..5d5ba2104ba7 100644
+--- a/arch/arc/configs/axs101_defconfig
++++ b/arch/arc/configs/axs101_defconfig
+@@ -15,6 +15,7 @@ CONFIG_PERF_EVENTS=y
+ # CONFIG_VM_EVENT_COUNTERS is not set
+ # CONFIG_SLUB_DEBUG is not set
+ # CONFIG_COMPAT_BRK is not set
++CONFIG_ISA_ARCOMPACT=y
+ CONFIG_MODULES=y
+ CONFIG_MODULE_FORCE_LOAD=y
+ CONFIG_MODULE_UNLOAD=y
+@@ -98,6 +99,7 @@ CONFIG_VFAT_FS=y
+ CONFIG_NTFS_FS=y
+ CONFIG_TMPFS=y
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ CONFIG_NLS_CODEPAGE_437=y
+ CONFIG_NLS_ISO8859_1=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
+index 240c9251a7d4..0874db2d48a8 100644
+--- a/arch/arc/configs/axs103_defconfig
++++ b/arch/arc/configs/axs103_defconfig
+@@ -97,6 +97,7 @@ CONFIG_VFAT_FS=y
+ CONFIG_NTFS_FS=y
+ CONFIG_TMPFS=y
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ CONFIG_NLS_CODEPAGE_437=y
+ CONFIG_NLS_ISO8859_1=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
+index af54b96abee0..cf5df0e1cb08 100644
+--- a/arch/arc/configs/axs103_smp_defconfig
++++ b/arch/arc/configs/axs103_smp_defconfig
+@@ -100,6 +100,7 @@ CONFIG_VFAT_FS=y
+ CONFIG_NTFS_FS=y
+ CONFIG_TMPFS=y
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ CONFIG_NLS_CODEPAGE_437=y
+ CONFIG_NLS_ISO8859_1=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
+index 762b1fcd93dc..083560e9e571 100644
+--- a/arch/arc/configs/hsdk_defconfig
++++ b/arch/arc/configs/hsdk_defconfig
+@@ -66,6 +66,7 @@ CONFIG_EXT3_FS=y
+ CONFIG_VFAT_FS=y
+ CONFIG_TMPFS=y
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ CONFIG_NLS_CODEPAGE_437=y
+ CONFIG_NLS_ISO8859_1=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+diff --git a/arch/arc/configs/nps_defconfig b/arch/arc/configs/nps_defconfig
+index 7c9c706ae7f6..9121c6ba15d0 100644
+--- a/arch/arc/configs/nps_defconfig
++++ b/arch/arc/configs/nps_defconfig
+@@ -15,6 +15,7 @@ CONFIG_SYSCTL_SYSCALL=y
+ CONFIG_EMBEDDED=y
+ CONFIG_PERF_EVENTS=y
+ # CONFIG_COMPAT_BRK is not set
++CONFIG_ISA_ARCOMPACT=y
+ CONFIG_KPROBES=y
+ CONFIG_MODULES=y
+ CONFIG_MODULE_FORCE_LOAD=y
+@@ -74,6 +75,7 @@ CONFIG_PROC_KCORE=y
+ CONFIG_TMPFS=y
+ # CONFIG_MISC_FILESYSTEMS is not set
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ CONFIG_ROOT_NFS=y
+ CONFIG_DEBUG_INFO=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig
+index b1a78222699c..cdb06417d3d9 100644
+--- a/arch/arc/configs/nsim_700_defconfig
++++ b/arch/arc/configs/nsim_700_defconfig
+@@ -16,6 +16,7 @@ CONFIG_EMBEDDED=y
+ CONFIG_PERF_EVENTS=y
+ # CONFIG_SLUB_DEBUG is not set
+ # CONFIG_COMPAT_BRK is not set
++CONFIG_ISA_ARCOMPACT=y
+ CONFIG_KPROBES=y
+ CONFIG_MODULES=y
+ # CONFIG_LBDAF is not set
+diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig
+index 14377b8234f7..c4577bd9196c 100644
+--- a/arch/arc/configs/nsimosci_defconfig
++++ b/arch/arc/configs/nsimosci_defconfig
+@@ -16,6 +16,7 @@ CONFIG_EMBEDDED=y
+ CONFIG_PERF_EVENTS=y
+ # CONFIG_SLUB_DEBUG is not set
+ # CONFIG_COMPAT_BRK is not set
++CONFIG_ISA_ARCOMPACT=y
+ CONFIG_KPROBES=y
+ CONFIG_MODULES=y
+ # CONFIG_LBDAF is not set
+@@ -69,5 +70,6 @@ CONFIG_EXT2_FS_XATTR=y
+ CONFIG_TMPFS=y
+ # CONFIG_MISC_FILESYSTEMS is not set
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+ # CONFIG_ENABLE_MUST_CHECK is not set
+diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig
+index 7e61c923a3cd..b20692c82d3c 100644
+--- a/arch/arc/configs/nsimosci_hs_defconfig
++++ b/arch/arc/configs/nsimosci_hs_defconfig
+@@ -68,5 +68,6 @@ CONFIG_EXT2_FS_XATTR=y
+ CONFIG_TMPFS=y
+ # CONFIG_MISC_FILESYSTEMS is not set
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+ # CONFIG_ENABLE_MUST_CHECK is not set
+diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig
+index 299fbe8003b2..5ad4949af6d0 100644
+--- a/arch/arc/configs/nsimosci_hs_smp_defconfig
++++ b/arch/arc/configs/nsimosci_hs_smp_defconfig
+@@ -79,6 +79,7 @@ CONFIG_EXT2_FS_XATTR=y
+ CONFIG_TMPFS=y
+ # CONFIG_MISC_FILESYSTEMS is not set
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+ # CONFIG_ENABLE_MUST_CHECK is not set
+ CONFIG_FTRACE=y
+diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig
+index f30182549395..0130e29eeca1 100644
+--- a/arch/arc/configs/tb10x_defconfig
++++ b/arch/arc/configs/tb10x_defconfig
+@@ -19,6 +19,7 @@ CONFIG_KALLSYMS_ALL=y
+ # CONFIG_AIO is not set
+ CONFIG_EMBEDDED=y
+ # CONFIG_COMPAT_BRK is not set
++CONFIG_ISA_ARCOMPACT=y
+ CONFIG_SLAB=y
+ CONFIG_MODULES=y
+ CONFIG_MODULE_FORCE_LOAD=y
+diff --git a/arch/arc/configs/vdk_hs38_defconfig b/arch/arc/configs/vdk_hs38_defconfig
+index 4fcf4f2503f6..4587c9af5afe 100644
+--- a/arch/arc/configs/vdk_hs38_defconfig
++++ b/arch/arc/configs/vdk_hs38_defconfig
+@@ -88,6 +88,7 @@ CONFIG_NTFS_FS=y
+ CONFIG_TMPFS=y
+ CONFIG_JFFS2_FS=y
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ CONFIG_NLS_CODEPAGE_437=y
+ CONFIG_NLS_ISO8859_1=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
+index 7b71464f6c2f..1855aa995bc9 100644
+--- a/arch/arc/configs/vdk_hs38_smp_defconfig
++++ b/arch/arc/configs/vdk_hs38_smp_defconfig
+@@ -92,6 +92,7 @@ CONFIG_NTFS_FS=y
+ CONFIG_TMPFS=y
+ CONFIG_JFFS2_FS=y
+ CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
+ CONFIG_NLS_CODEPAGE_437=y
+ CONFIG_NLS_ISO8859_1=y
+ # CONFIG_ENABLE_WARN_DEPRECATED is not set
+diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h
+index 7c713025b23f..53ee82b1efa7 100644
+--- a/arch/mips/include/asm/syscall.h
++++ b/arch/mips/include/asm/syscall.h
+@@ -51,7 +51,7 @@ static inline unsigned long mips_get_syscall_arg(unsigned long *arg,
+ #ifdef CONFIG_64BIT
+ case 4: case 5: case 6: case 7:
+ #ifdef CONFIG_MIPS32_O32
+- if (test_thread_flag(TIF_32BIT_REGS))
++ if (test_tsk_thread_flag(task, TIF_32BIT_REGS))
+ return get_user(*arg, (int *)usp + n);
+ else
+ #endif
+diff --git a/arch/mips/ralink/mt7620.c b/arch/mips/ralink/mt7620.c
+index 41b71c4352c2..c1ce6f43642b 100644
+--- a/arch/mips/ralink/mt7620.c
++++ b/arch/mips/ralink/mt7620.c
+@@ -84,7 +84,7 @@ static struct rt2880_pmx_func pcie_rst_grp[] = {
+ };
+ static struct rt2880_pmx_func nd_sd_grp[] = {
+ FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15),
+- FUNC("sd", MT7620_GPIO_MODE_SD, 45, 15)
++ FUNC("sd", MT7620_GPIO_MODE_SD, 47, 13)
+ };
+
+ static struct rt2880_pmx_group mt7620a_pinmux_data[] = {
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
+index 17f08db34547..4dc79d139810 100644
+--- a/arch/x86/kvm/svm.c
++++ b/arch/x86/kvm/svm.c
+@@ -1399,20 +1399,23 @@ static u64 *avic_get_physical_id_entry(struct kvm_vcpu *vcpu,
+ static int avic_init_access_page(struct kvm_vcpu *vcpu)
+ {
+ struct kvm *kvm = vcpu->kvm;
+- int ret;
++ int ret = 0;
+
++ mutex_lock(&kvm->slots_lock);
+ if (kvm->arch.apic_access_page_done)
+- return 0;
++ goto out;
+
+- ret = x86_set_memory_region(kvm,
+- APIC_ACCESS_PAGE_PRIVATE_MEMSLOT,
+- APIC_DEFAULT_PHYS_BASE,
+- PAGE_SIZE);
++ ret = __x86_set_memory_region(kvm,
++ APIC_ACCESS_PAGE_PRIVATE_MEMSLOT,
++ APIC_DEFAULT_PHYS_BASE,
++ PAGE_SIZE);
+ if (ret)
+- return ret;
++ goto out;
+
+ kvm->arch.apic_access_page_done = true;
+- return 0;
++out:
++ mutex_unlock(&kvm->slots_lock);
++ return ret;
+ }
+
+ static int avic_init_backing_page(struct kvm_vcpu *vcpu)
+diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
+index dac355812adc..373700c05a00 100644
+--- a/drivers/gpu/drm/ast/ast_main.c
++++ b/drivers/gpu/drm/ast/ast_main.c
+@@ -583,7 +583,8 @@ void ast_driver_unload(struct drm_device *dev)
+ drm_mode_config_cleanup(dev);
+
+ ast_mm_fini(ast);
+- pci_iounmap(dev->pdev, ast->ioregs);
++ if (ast->ioregs != ast->regs + AST_IO_MM_OFFSET)
++ pci_iounmap(dev->pdev, ast->ioregs);
+ pci_iounmap(dev->pdev, ast->regs);
+ kfree(ast);
+ }
+diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
+index 7ff697389d74..fe85d041d0ba 100644
+--- a/drivers/gpu/drm/drm_auth.c
++++ b/drivers/gpu/drm/drm_auth.c
+@@ -133,6 +133,7 @@ static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)
+
+ lockdep_assert_held_once(&dev->master_mutex);
+
++ WARN_ON(fpriv->is_master);
+ old_master = fpriv->master;
+ fpriv->master = drm_master_create(dev);
+ if (!fpriv->master) {
+@@ -161,6 +162,7 @@ out_err:
+ /* drop references and restore old master on failure */
+ drm_master_put(&fpriv->master);
+ fpriv->master = old_master;
++ fpriv->is_master = 0;
+
+ return ret;
+ }
+diff --git a/drivers/gpu/drm/gma500/mdfld_intel_display.c b/drivers/gpu/drm/gma500/mdfld_intel_display.c
+index 531e4450c000..5c066448be5b 100644
+--- a/drivers/gpu/drm/gma500/mdfld_intel_display.c
++++ b/drivers/gpu/drm/gma500/mdfld_intel_display.c
+@@ -99,7 +99,7 @@ void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe)
+ /* Wait for for the pipe enable to take effect. */
+ for (count = 0; count < COUNT_MAX; count++) {
+ temp = REG_READ(map->conf);
+- if ((temp & PIPEACONF_PIPE_STATE) == 1)
++ if (temp & PIPEACONF_PIPE_STATE)
+ break;
+ }
+ }
+diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
+index cef414466f9f..e5f7a7cf48fa 100644
+--- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
++++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
+@@ -697,6 +697,7 @@ static const struct regmap_config meson_dw_hdmi_regmap_config = {
+ .reg_read = meson_dw_hdmi_reg_read,
+ .reg_write = meson_dw_hdmi_reg_write,
+ .max_register = 0x10000,
++ .fast_io = true,
+ };
+
+ static bool meson_hdmi_connector_is_available(struct device *dev)
+diff --git a/drivers/gpu/drm/meson/meson_viu.c b/drivers/gpu/drm/meson/meson_viu.c
+index 6bcfa527c180..26a0857878bf 100644
+--- a/drivers/gpu/drm/meson/meson_viu.c
++++ b/drivers/gpu/drm/meson/meson_viu.c
+@@ -184,18 +184,18 @@ void meson_viu_set_osd_lut(struct meson_drm *priv, enum viu_lut_sel_e lut_sel,
+ if (lut_sel == VIU_LUT_OSD_OETF) {
+ writel(0, priv->io_base + _REG(addr_port));
+
+- for (i = 0; i < 20; i++)
++ for (i = 0; i < (OSD_OETF_LUT_SIZE / 2); i++)
+ writel(r_map[i * 2] | (r_map[i * 2 + 1] << 16),
+ priv->io_base + _REG(data_port));
+
+ writel(r_map[OSD_OETF_LUT_SIZE - 1] | (g_map[0] << 16),
+ priv->io_base + _REG(data_port));
+
+- for (i = 0; i < 20; i++)
++ for (i = 0; i < (OSD_OETF_LUT_SIZE / 2); i++)
+ writel(g_map[i * 2 + 1] | (g_map[i * 2 + 2] << 16),
+ priv->io_base + _REG(data_port));
+
+- for (i = 0; i < 20; i++)
++ for (i = 0; i < (OSD_OETF_LUT_SIZE / 2); i++)
+ writel(b_map[i * 2] | (b_map[i * 2 + 1] << 16),
+ priv->io_base + _REG(data_port));
+
+@@ -211,18 +211,18 @@ void meson_viu_set_osd_lut(struct meson_drm *priv, enum viu_lut_sel_e lut_sel,
+ } else if (lut_sel == VIU_LUT_OSD_EOTF) {
+ writel(0, priv->io_base + _REG(addr_port));
+
+- for (i = 0; i < 20; i++)
++ for (i = 0; i < (OSD_EOTF_LUT_SIZE / 2); i++)
+ writel(r_map[i * 2] | (r_map[i * 2 + 1] << 16),
+ priv->io_base + _REG(data_port));
+
+ writel(r_map[OSD_EOTF_LUT_SIZE - 1] | (g_map[0] << 16),
+ priv->io_base + _REG(data_port));
+
+- for (i = 0; i < 20; i++)
++ for (i = 0; i < (OSD_EOTF_LUT_SIZE / 2); i++)
+ writel(g_map[i * 2 + 1] | (g_map[i * 2 + 2] << 16),
+ priv->io_base + _REG(data_port));
+
+- for (i = 0; i < 20; i++)
++ for (i = 0; i < (OSD_EOTF_LUT_SIZE / 2); i++)
+ writel(b_map[i * 2] | (b_map[i * 2 + 1] << 16),
+ priv->io_base + _REG(data_port));
+
+diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
+index c75c4df4bc39..2c379774d3f2 100644
+--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
++++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
+@@ -223,8 +223,7 @@ static int adreno_get_legacy_pwrlevels(struct device *dev)
+ struct device_node *child, *node;
+ int ret;
+
+- node = of_find_compatible_node(dev->of_node, NULL,
+- "qcom,gpu-pwrlevels");
++ node = of_get_compatible_child(dev->of_node, "qcom,gpu-pwrlevels");
+ if (!node) {
+ dev_err(dev, "Could not find the GPU powerlevels\n");
+ return -ENXIO;
+@@ -245,6 +244,8 @@ static int adreno_get_legacy_pwrlevels(struct device *dev)
+ dev_pm_opp_add(dev, val, 0);
+ }
+
++ of_node_put(node);
++
+ return 0;
+ }
+
+diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
+index c3a4f5d92391..13a92062e9ca 100644
+--- a/drivers/infiniband/hw/mlx5/main.c
++++ b/drivers/infiniband/hw/mlx5/main.c
+@@ -869,31 +869,26 @@ enum mlx5_ib_width {
+ MLX5_IB_WIDTH_12X = 1 << 4
+ };
+
+-static int translate_active_width(struct ib_device *ibdev, u8 active_width,
++static void translate_active_width(struct ib_device *ibdev, u8 active_width,
+ u8 *ib_width)
+ {
+ struct mlx5_ib_dev *dev = to_mdev(ibdev);
+- int err = 0;
+
+- if (active_width & MLX5_IB_WIDTH_1X) {
++ if (active_width & MLX5_IB_WIDTH_1X)
+ *ib_width = IB_WIDTH_1X;
+- } else if (active_width & MLX5_IB_WIDTH_2X) {
+- mlx5_ib_dbg(dev, "active_width %d is not supported by IB spec\n",
+- (int)active_width);
+- err = -EINVAL;
+- } else if (active_width & MLX5_IB_WIDTH_4X) {
++ else if (active_width & MLX5_IB_WIDTH_4X)
+ *ib_width = IB_WIDTH_4X;
+- } else if (active_width & MLX5_IB_WIDTH_8X) {
++ else if (active_width & MLX5_IB_WIDTH_8X)
+ *ib_width = IB_WIDTH_8X;
+- } else if (active_width & MLX5_IB_WIDTH_12X) {
++ else if (active_width & MLX5_IB_WIDTH_12X)
+ *ib_width = IB_WIDTH_12X;
+- } else {
+- mlx5_ib_dbg(dev, "Invalid active_width %d\n",
++ else {
++ mlx5_ib_dbg(dev, "Invalid active_width %d, setting width to default value: 4x\n",
+ (int)active_width);
+- err = -EINVAL;
++ *ib_width = IB_WIDTH_4X;
+ }
+
+- return err;
++ return;
+ }
+
+ static int mlx5_mtu_to_ib_mtu(int mtu)
+@@ -1001,10 +996,8 @@ static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
+ if (err)
+ goto out;
+
+- err = translate_active_width(ibdev, ib_link_width_oper,
+- &props->active_width);
+- if (err)
+- goto out;
++ translate_active_width(ibdev, ib_link_width_oper, &props->active_width);
++
+ err = mlx5_query_port_ib_proto_oper(mdev, &props->active_speed, port);
+ if (err)
+ goto out;
+diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
+index 55a73b0ed4c6..e28a5d713d1a 100644
+--- a/drivers/infiniband/ulp/iser/iser_verbs.c
++++ b/drivers/infiniband/ulp/iser/iser_verbs.c
+@@ -1108,7 +1108,9 @@ u8 iser_check_task_pi_status(struct iscsi_iser_task *iser_task,
+ IB_MR_CHECK_SIG_STATUS, &mr_status);
+ if (ret) {
+ pr_err("ib_check_mr_status failed, ret %d\n", ret);
+- goto err;
++ /* Not a lot we can do, return ambiguous guard error */
++ *sector = 0;
++ return 0x1;
+ }
+
+ if (mr_status.fail_status & IB_MR_CHECK_SIG_STATUS) {
+@@ -1136,9 +1138,6 @@ u8 iser_check_task_pi_status(struct iscsi_iser_task *iser_task,
+ }
+
+ return 0;
+-err:
+- /* Not alot we can do here, return ambiguous guard error */
+- return 0x1;
+ }
+
+ void iser_err_comp(struct ib_wc *wc, const char *type)
+diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
+index 2e52015634f9..f55dcdf99bc5 100644
+--- a/drivers/input/joystick/xpad.c
++++ b/drivers/input/joystick/xpad.c
+@@ -483,18 +483,18 @@ static const u8 xboxone_hori_init[] = {
+ };
+
+ /*
+- * This packet is required for some of the PDP pads to start
++ * This packet is required for most (all?) of the PDP pads to start
+ * sending input reports. These pads include: (0x0e6f:0x02ab),
+- * (0x0e6f:0x02a4).
++ * (0x0e6f:0x02a4), (0x0e6f:0x02a6).
+ */
+ static const u8 xboxone_pdp_init1[] = {
+ 0x0a, 0x20, 0x00, 0x03, 0x00, 0x01, 0x14
+ };
+
+ /*
+- * This packet is required for some of the PDP pads to start
++ * This packet is required for most (all?) of the PDP pads to start
+ * sending input reports. These pads include: (0x0e6f:0x02ab),
+- * (0x0e6f:0x02a4).
++ * (0x0e6f:0x02a4), (0x0e6f:0x02a6).
+ */
+ static const u8 xboxone_pdp_init2[] = {
+ 0x06, 0x20, 0x00, 0x02, 0x01, 0x00
+@@ -530,12 +530,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = {
+ XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
+ XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
+ XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
+- XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init1),
+- XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init2),
+- XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init1),
+- XBOXONE_INIT_PKT(0x0e6f, 0x02a4, xboxone_pdp_init2),
+- XBOXONE_INIT_PKT(0x0e6f, 0x02a6, xboxone_pdp_init1),
+- XBOXONE_INIT_PKT(0x0e6f, 0x02a6, xboxone_pdp_init2),
++ XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init1),
++ XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init2),
+ XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
+ XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
+ XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),
+diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
+index 79eb29550c34..0993b3f12df6 100644
+--- a/drivers/input/keyboard/cros_ec_keyb.c
++++ b/drivers/input/keyboard/cros_ec_keyb.c
+@@ -506,7 +506,8 @@ static int cros_ec_keyb_register_bs(struct cros_ec_keyb *ckdev)
+ for (i = 0; i < ARRAY_SIZE(cros_ec_keyb_bs); i++) {
+ const struct cros_ec_bs_map *map = &cros_ec_keyb_bs[i];
+
+- if (buttons & BIT(map->bit))
++ if ((map->ev_type == EV_KEY && (buttons & BIT(map->bit))) ||
++ (map->ev_type == EV_SW && (switches & BIT(map->bit))))
+ input_set_capability(idev, map->ev_type, map->code);
+ }
+
+diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
+index 41614c185918..782dda68d93a 100644
+--- a/drivers/input/keyboard/matrix_keypad.c
++++ b/drivers/input/keyboard/matrix_keypad.c
+@@ -407,7 +407,7 @@ matrix_keypad_parse_dt(struct device *dev)
+ struct matrix_keypad_platform_data *pdata;
+ struct device_node *np = dev->of_node;
+ unsigned int *gpios;
+- int i, nrow, ncol;
++ int ret, i, nrow, ncol;
+
+ if (!np) {
+ dev_err(dev, "device lacks DT data\n");
+@@ -452,12 +452,19 @@ matrix_keypad_parse_dt(struct device *dev)
+ return ERR_PTR(-ENOMEM);
+ }
+
+- for (i = 0; i < pdata->num_row_gpios; i++)
+- gpios[i] = of_get_named_gpio(np, "row-gpios", i);
++ for (i = 0; i < nrow; i++) {
++ ret = of_get_named_gpio(np, "row-gpios", i);
++ if (ret < 0)
++ return ERR_PTR(ret);
++ gpios[i] = ret;
++ }
+
+- for (i = 0; i < pdata->num_col_gpios; i++)
+- gpios[pdata->num_row_gpios + i] =
+- of_get_named_gpio(np, "col-gpios", i);
++ for (i = 0; i < ncol; i++) {
++ ret = of_get_named_gpio(np, "col-gpios", i);
++ if (ret < 0)
++ return ERR_PTR(ret);
++ gpios[nrow + i] = ret;
++ }
+
+ pdata->row_gpios = gpios;
+ pdata->col_gpios = &gpios[pdata->num_row_gpios];
+@@ -484,10 +491,8 @@ static int matrix_keypad_probe(struct platform_device *pdev)
+ pdata = dev_get_platdata(&pdev->dev);
+ if (!pdata) {
+ pdata = matrix_keypad_parse_dt(&pdev->dev);
+- if (IS_ERR(pdata)) {
+- dev_err(&pdev->dev, "no platform data defined\n");
++ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+- }
+ } else if (!pdata->keymap_data) {
+ dev_err(&pdev->dev, "no keymap data defined\n");
+ return -EINVAL;
+diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
+index 766d30a7b085..368871a398a5 100644
+--- a/drivers/input/mouse/elan_i2c_core.c
++++ b/drivers/input/mouse/elan_i2c_core.c
+@@ -1264,6 +1264,9 @@ static const struct acpi_device_id elan_acpi_id[] = {
+ { "ELAN0618", 0 },
+ { "ELAN061C", 0 },
+ { "ELAN061D", 0 },
++ { "ELAN061E", 0 },
++ { "ELAN0620", 0 },
++ { "ELAN0621", 0 },
+ { "ELAN0622", 0 },
+ { "ELAN1000", 0 },
+ { }
+diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
+index 6f36e2d01e2e..65c9095eb517 100644
+--- a/drivers/input/mouse/synaptics.c
++++ b/drivers/input/mouse/synaptics.c
+@@ -170,6 +170,7 @@ static const char * const smbus_pnp_ids[] = {
+ "LEN0048", /* X1 Carbon 3 */
+ "LEN0046", /* X250 */
+ "LEN004a", /* W541 */
++ "LEN005b", /* P50 */
+ "LEN0071", /* T480 */
+ "LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
+ "LEN0073", /* X1 Carbon G5 (Elantech) */
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c
+index 03c3cf77aaff..99f32202a85c 100644
+--- a/drivers/net/ethernet/qlogic/qed/qed_debug.c
++++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c
+@@ -3590,10 +3590,8 @@ static u32 qed_grc_dump_big_ram(struct qed_hwfn *p_hwfn,
+ total_blocks = big_ram->num_of_blocks[dev_data->chip_id];
+ ram_size = total_blocks * BIG_RAM_BLOCK_SIZE_DWORDS;
+
+- strncpy(type_name, big_ram->instance_name,
+- strlen(big_ram->instance_name));
+- strncpy(mem_name, big_ram->instance_name,
+- strlen(big_ram->instance_name));
++ strscpy(type_name, big_ram->instance_name, sizeof(type_name));
++ strscpy(mem_name, big_ram->instance_name, sizeof(mem_name));
+
+ /* Dump memory header */
+ offset += qed_grc_dump_mem_hdr(p_hwfn,
+diff --git a/drivers/reset/core.c b/drivers/reset/core.c
+index 1d21c6f7d56c..da4292e9de97 100644
+--- a/drivers/reset/core.c
++++ b/drivers/reset/core.c
+@@ -566,17 +566,18 @@ EXPORT_SYMBOL_GPL(__devm_reset_control_get);
+ * device_reset - find reset controller associated with the device
+ * and perform reset
+ * @dev: device to be reset by the controller
++ * @optional: whether it is optional to reset the device
+ *
+- * Convenience wrapper for reset_control_get() and reset_control_reset().
++ * Convenience wrapper for __reset_control_get() and reset_control_reset().
+ * This is useful for the common case of devices with single, dedicated reset
+ * lines.
+ */
+-int device_reset(struct device *dev)
++int __device_reset(struct device *dev, bool optional)
+ {
+ struct reset_control *rstc;
+ int ret;
+
+- rstc = reset_control_get(dev, NULL);
++ rstc = __reset_control_get(dev, NULL, 0, 0, optional);
+ if (IS_ERR(rstc))
+ return PTR_ERR(rstc);
+
+@@ -586,7 +587,7 @@ int device_reset(struct device *dev)
+
+ return ret;
+ }
+-EXPORT_SYMBOL_GPL(device_reset);
++EXPORT_SYMBOL_GPL(__device_reset);
+
+ /**
+ * APIs to manage an array of reset controls.
+diff --git a/drivers/scsi/bfa/bfa_fcbuild.c b/drivers/scsi/bfa/bfa_fcbuild.c
+index b8dadc9cc993..d3b00a475aeb 100644
+--- a/drivers/scsi/bfa/bfa_fcbuild.c
++++ b/drivers/scsi/bfa/bfa_fcbuild.c
+@@ -1250,8 +1250,8 @@ fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
+ memset(rspnid, 0, sizeof(struct fcgs_rspnid_req_s));
+
+ rspnid->dap = s_id;
+- rspnid->spn_len = (u8) strlen((char *)name);
+- strncpy((char *)rspnid->spn, (char *)name, rspnid->spn_len);
++ strlcpy(rspnid->spn, name, sizeof(rspnid->spn));
++ rspnid->spn_len = (u8) strlen(rspnid->spn);
+
+ return sizeof(struct fcgs_rspnid_req_s) + sizeof(struct ct_hdr_s);
+ }
+@@ -1271,8 +1271,8 @@ fc_rsnn_nn_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+ memset(rsnn_nn, 0, sizeof(struct fcgs_rsnn_nn_req_s));
+
+ rsnn_nn->node_name = node_name;
+- rsnn_nn->snn_len = (u8) strlen((char *)name);
+- strncpy((char *)rsnn_nn->snn, (char *)name, rsnn_nn->snn_len);
++ strlcpy(rsnn_nn->snn, name, sizeof(rsnn_nn->snn));
++ rsnn_nn->snn_len = (u8) strlen(rsnn_nn->snn);
+
+ return sizeof(struct fcgs_rsnn_nn_req_s) + sizeof(struct ct_hdr_s);
+ }
+diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c
+index 4aa61e20e82d..932feb0ed4da 100644
+--- a/drivers/scsi/bfa/bfa_fcs.c
++++ b/drivers/scsi/bfa/bfa_fcs.c
+@@ -769,23 +769,23 @@ bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric)
+ bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model);
+
+ /* Model name/number */
+- strncpy((char *)&port_cfg->sym_name, model,
+- BFA_FCS_PORT_SYMBNAME_MODEL_SZ);
+- strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
++ strlcpy(port_cfg->sym_name.symname, model,
++ BFA_SYMNAME_MAXLEN);
++ strlcat(port_cfg->sym_name.symname, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
++ BFA_SYMNAME_MAXLEN);
+
+ /* Driver Version */
+- strncat((char *)&port_cfg->sym_name, (char *)driver_info->version,
+- BFA_FCS_PORT_SYMBNAME_VERSION_SZ);
+- strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
++ strlcat(port_cfg->sym_name.symname, driver_info->version,
++ BFA_SYMNAME_MAXLEN);
++ strlcat(port_cfg->sym_name.symname, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
++ BFA_SYMNAME_MAXLEN);
+
+ /* Host machine name */
+- strncat((char *)&port_cfg->sym_name,
+- (char *)driver_info->host_machine_name,
+- BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ);
+- strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
++ strlcat(port_cfg->sym_name.symname,
++ driver_info->host_machine_name,
++ BFA_SYMNAME_MAXLEN);
++ strlcat(port_cfg->sym_name.symname, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
++ BFA_SYMNAME_MAXLEN);
+
+ /*
+ * Host OS Info :
+@@ -793,24 +793,24 @@ bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric)
+ * OS name string and instead copy the entire OS info string (64 bytes).
+ */
+ if (driver_info->host_os_patch[0] == '\0') {
+- strncat((char *)&port_cfg->sym_name,
+- (char *)driver_info->host_os_name,
+- BFA_FCS_OS_STR_LEN);
+- strncat((char *)&port_cfg->sym_name,
++ strlcat(port_cfg->sym_name.symname,
++ driver_info->host_os_name,
++ BFA_SYMNAME_MAXLEN);
++ strlcat(port_cfg->sym_name.symname,
+ BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
++ BFA_SYMNAME_MAXLEN);
+ } else {
+- strncat((char *)&port_cfg->sym_name,
+- (char *)driver_info->host_os_name,
+- BFA_FCS_PORT_SYMBNAME_OSINFO_SZ);
+- strncat((char *)&port_cfg->sym_name,
++ strlcat(port_cfg->sym_name.symname,
++ driver_info->host_os_name,
++ BFA_SYMNAME_MAXLEN);
++ strlcat(port_cfg->sym_name.symname,
+ BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
++ BFA_SYMNAME_MAXLEN);
+
+ /* Append host OS Patch Info */
+- strncat((char *)&port_cfg->sym_name,
+- (char *)driver_info->host_os_patch,
+- BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ);
++ strlcat(port_cfg->sym_name.symname,
++ driver_info->host_os_patch,
++ BFA_SYMNAME_MAXLEN);
+ }
+
+ /* null terminate */
+@@ -830,26 +830,26 @@ bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric)
+ bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model);
+
+ /* Model name/number */
+- strncpy((char *)&port_cfg->node_sym_name, model,
+- BFA_FCS_PORT_SYMBNAME_MODEL_SZ);
+- strncat((char *)&port_cfg->node_sym_name,
++ strlcpy(port_cfg->node_sym_name.symname, model,
++ BFA_SYMNAME_MAXLEN);
++ strlcat(port_cfg->node_sym_name.symname,
+ BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
++ BFA_SYMNAME_MAXLEN);
+
+ /* Driver Version */
+- strncat((char *)&port_cfg->node_sym_name, (char *)driver_info->version,
+- BFA_FCS_PORT_SYMBNAME_VERSION_SZ);
+- strncat((char *)&port_cfg->node_sym_name,
++ strlcat(port_cfg->node_sym_name.symname, (char *)driver_info->version,
++ BFA_SYMNAME_MAXLEN);
++ strlcat(port_cfg->node_sym_name.symname,
+ BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
++ BFA_SYMNAME_MAXLEN);
+
+ /* Host machine name */
+- strncat((char *)&port_cfg->node_sym_name,
+- (char *)driver_info->host_machine_name,
+- BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ);
+- strncat((char *)&port_cfg->node_sym_name,
++ strlcat(port_cfg->node_sym_name.symname,
++ driver_info->host_machine_name,
++ BFA_SYMNAME_MAXLEN);
++ strlcat(port_cfg->node_sym_name.symname,
+ BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
++ BFA_SYMNAME_MAXLEN);
+
+ /* null terminate */
+ port_cfg->node_sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0;
+diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
+index 638c0a2857f7..b4f2c1d8742e 100644
+--- a/drivers/scsi/bfa/bfa_fcs_lport.c
++++ b/drivers/scsi/bfa/bfa_fcs_lport.c
+@@ -2642,10 +2642,10 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
+ bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
+ hba_attr->fw_version);
+
+- strncpy(hba_attr->driver_version, (char *)driver_info->version,
++ strlcpy(hba_attr->driver_version, (char *)driver_info->version,
+ sizeof(hba_attr->driver_version));
+
+- strncpy(hba_attr->os_name, driver_info->host_os_name,
++ strlcpy(hba_attr->os_name, driver_info->host_os_name,
+ sizeof(hba_attr->os_name));
+
+ /*
+@@ -2653,23 +2653,23 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
+ * to the os name along with a separator
+ */
+ if (driver_info->host_os_patch[0] != '\0') {
+- strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+- sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
+- strncat(hba_attr->os_name, driver_info->host_os_patch,
+- sizeof(driver_info->host_os_patch));
++ strlcat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
++ sizeof(hba_attr->os_name));
++ strlcat(hba_attr->os_name, driver_info->host_os_patch,
++ sizeof(hba_attr->os_name));
+ }
+
+ /* Retrieve the max frame size from the port attr */
+ bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
+ hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
+
+- strncpy(hba_attr->node_sym_name.symname,
++ strlcpy(hba_attr->node_sym_name.symname,
+ port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
+ strcpy(hba_attr->vendor_info, "QLogic");
+ hba_attr->num_ports =
+ cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
+ hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
+- strncpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
++ strlcpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
+
+ }
+
+@@ -2736,20 +2736,20 @@ bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
+ /*
+ * OS device Name
+ */
+- strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
++ strlcpy(port_attr->os_device_name, driver_info->os_device_name,
+ sizeof(port_attr->os_device_name));
+
+ /*
+ * Host name
+ */
+- strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
++ strlcpy(port_attr->host_name, driver_info->host_machine_name,
+ sizeof(port_attr->host_name));
+
+ port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
+ port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
+
+- strncpy(port_attr->port_sym_name.symname,
+- (char *)&bfa_fcs_lport_get_psym_name(port), BFA_SYMNAME_MAXLEN);
++ strlcpy(port_attr->port_sym_name.symname,
++ bfa_fcs_lport_get_psym_name(port).symname, BFA_SYMNAME_MAXLEN);
+ bfa_fcs_lport_get_attr(port, &lport_attr);
+ port_attr->port_type = cpu_to_be32(lport_attr.port_type);
+ port_attr->scos = pport_attr.cos_supported;
+@@ -3229,7 +3229,7 @@ bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ rsp_str[gmal_entry->len-1] = 0;
+
+ /* copy IP Address to fabric */
+- strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
++ strlcpy(bfa_fcs_lport_get_fabric_ipaddr(port),
+ gmal_entry->ip_addr,
+ BFA_FCS_FABRIC_IPADDR_SZ);
+ break;
+@@ -4667,21 +4667,13 @@ bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+ * to that of the base port.
+ */
+
+- strncpy((char *)psymbl,
+- (char *) &
+- (bfa_fcs_lport_get_psym_name
++ strlcpy(symbl,
++ (char *)&(bfa_fcs_lport_get_psym_name
+ (bfa_fcs_get_base_port(port->fcs))),
+- strlen((char *) &
+- bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
+- (port->fcs))));
+-
+- /* Ensure we have a null terminating string. */
+- ((char *)psymbl)[strlen((char *) &
+- bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
+- (port->fcs)))] = 0;
+- strncat((char *)psymbl,
+- (char *) &(bfa_fcs_lport_get_psym_name(port)),
+- strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
++ sizeof(symbl));
++
++ strlcat(symbl, (char *)&(bfa_fcs_lport_get_psym_name(port)),
++ sizeof(symbl));
+ } else {
+ psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
+ }
+@@ -5173,7 +5165,6 @@ bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
+ struct fchs_s fchs;
+ struct bfa_fcxp_s *fcxp;
+ u8 symbl[256];
+- u8 *psymbl = &symbl[0];
+ int len;
+
+ /* Avoid sending RSPN in the following states. */
+@@ -5203,22 +5194,17 @@ bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
+ * For Vports, we append the vport's port symbolic name
+ * to that of the base port.
+ */
+- strncpy((char *)psymbl, (char *)&(bfa_fcs_lport_get_psym_name
++ strlcpy(symbl, (char *)&(bfa_fcs_lport_get_psym_name
+ (bfa_fcs_get_base_port(port->fcs))),
+- strlen((char *)&bfa_fcs_lport_get_psym_name(
+- bfa_fcs_get_base_port(port->fcs))));
+-
+- /* Ensure we have a null terminating string. */
+- ((char *)psymbl)[strlen((char *)&bfa_fcs_lport_get_psym_name(
+- bfa_fcs_get_base_port(port->fcs)))] = 0;
++ sizeof(symbl));
+
+- strncat((char *)psymbl,
++ strlcat(symbl,
+ (char *)&(bfa_fcs_lport_get_psym_name(port)),
+- strlen((char *)&bfa_fcs_lport_get_psym_name(port)));
++ sizeof(symbl));
+ }
+
+ len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+- bfa_fcs_lport_get_fcid(port), 0, psymbl);
++ bfa_fcs_lport_get_fcid(port), 0, symbl);
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
+diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
+index 256f4afaccf9..a1a183ece093 100644
+--- a/drivers/scsi/bfa/bfa_ioc.c
++++ b/drivers/scsi/bfa/bfa_ioc.c
+@@ -2803,7 +2803,7 @@ void
+ bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc, char *manufacturer)
+ {
+ memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN);
+- strncpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN);
++ strlcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN);
+ }
+
+ void
+diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c
+index e640223bab3c..7356fdec79f5 100644
+--- a/drivers/scsi/bfa/bfa_svc.c
++++ b/drivers/scsi/bfa/bfa_svc.c
+@@ -350,8 +350,8 @@ bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+ lp.eid = event;
+ lp.log_type = BFA_PL_LOG_TYPE_STRING;
+ lp.misc = misc;
+- strncpy(lp.log_entry.string_log, log_str,
+- BFA_PL_STRING_LOG_SZ - 1);
++ strlcpy(lp.log_entry.string_log, log_str,
++ BFA_PL_STRING_LOG_SZ);
+ lp.log_entry.string_log[BFA_PL_STRING_LOG_SZ - 1] = '\0';
+ bfa_plog_add(plog, &lp);
+ }
+diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
+index 5caf5f3ff642..ae37010af50f 100644
+--- a/drivers/scsi/bfa/bfad.c
++++ b/drivers/scsi/bfa/bfad.c
+@@ -983,20 +983,20 @@ bfad_start_ops(struct bfad_s *bfad) {
+
+ /* Fill the driver_info info to fcs*/
+ memset(&driver_info, 0, sizeof(driver_info));
+- strncpy(driver_info.version, BFAD_DRIVER_VERSION,
+- sizeof(driver_info.version) - 1);
++ strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
++ sizeof(driver_info.version));
+ if (host_name)
+- strncpy(driver_info.host_machine_name, host_name,
+- sizeof(driver_info.host_machine_name) - 1);
++ strlcpy(driver_info.host_machine_name, host_name,
++ sizeof(driver_info.host_machine_name));
+ if (os_name)
+- strncpy(driver_info.host_os_name, os_name,
+- sizeof(driver_info.host_os_name) - 1);
++ strlcpy(driver_info.host_os_name, os_name,
++ sizeof(driver_info.host_os_name));
+ if (os_patch)
+- strncpy(driver_info.host_os_patch, os_patch,
+- sizeof(driver_info.host_os_patch) - 1);
++ strlcpy(driver_info.host_os_patch, os_patch,
++ sizeof(driver_info.host_os_patch));
+
+- strncpy(driver_info.os_device_name, bfad->pci_name,
+- sizeof(driver_info.os_device_name) - 1);
++ strlcpy(driver_info.os_device_name, bfad->pci_name,
++ sizeof(driver_info.os_device_name));
+
+ /* FCS driver info init */
+ spin_lock_irqsave(&bfad->bfad_lock, flags);
+diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
+index 13db3b7bc873..d0a504af5b4f 100644
+--- a/drivers/scsi/bfa/bfad_attr.c
++++ b/drivers/scsi/bfa/bfad_attr.c
+@@ -843,7 +843,7 @@ bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
+ char symname[BFA_SYMNAME_MAXLEN];
+
+ bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
+- strncpy(symname, port_attr.port_cfg.sym_name.symname,
++ strlcpy(symname, port_attr.port_cfg.sym_name.symname,
+ BFA_SYMNAME_MAXLEN);
+ return snprintf(buf, PAGE_SIZE, "%s\n", symname);
+ }
+diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
+index 1aa46d0763a0..9081a5f93aae 100644
+--- a/drivers/scsi/bfa/bfad_bsg.c
++++ b/drivers/scsi/bfa/bfad_bsg.c
+@@ -127,7 +127,7 @@ bfad_iocmd_ioc_get_attr(struct bfad_s *bfad, void *cmd)
+
+ /* fill in driver attr info */
+ strcpy(iocmd->ioc_attr.driver_attr.driver, BFAD_DRIVER_NAME);
+- strncpy(iocmd->ioc_attr.driver_attr.driver_ver,
++ strlcpy(iocmd->ioc_attr.driver_attr.driver_ver,
+ BFAD_DRIVER_VERSION, BFA_VERSION_LEN);
+ strcpy(iocmd->ioc_attr.driver_attr.fw_ver,
+ iocmd->ioc_attr.adapter_attr.fw_ver);
+@@ -315,9 +315,9 @@ bfad_iocmd_port_get_attr(struct bfad_s *bfad, void *cmd)
+ iocmd->attr.port_type = port_attr.port_type;
+ iocmd->attr.loopback = port_attr.loopback;
+ iocmd->attr.authfail = port_attr.authfail;
+- strncpy(iocmd->attr.port_symname.symname,
++ strlcpy(iocmd->attr.port_symname.symname,
+ port_attr.port_cfg.sym_name.symname,
+- sizeof(port_attr.port_cfg.sym_name.symname));
++ sizeof(iocmd->attr.port_symname.symname));
+
+ iocmd->status = BFA_STATUS_OK;
+ return 0;
+diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
+index ea947a7c2596..6b594bc7d94a 100644
+--- a/drivers/scsi/scsi_devinfo.c
++++ b/drivers/scsi/scsi_devinfo.c
+@@ -34,7 +34,6 @@ struct scsi_dev_info_list_table {
+ };
+
+
+-static const char spaces[] = " "; /* 16 of them */
+ static unsigned scsi_default_dev_flags;
+ static LIST_HEAD(scsi_dev_info_list);
+ static char scsi_dev_flags[256];
+@@ -296,20 +295,13 @@ static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length,
+ size_t from_length;
+
+ from_length = strlen(from);
+- strncpy(to, from, min(to_length, from_length));
+- if (from_length < to_length) {
+- if (compatible) {
+- /*
+- * NUL terminate the string if it is short.
+- */
+- to[from_length] = '\0';
+- } else {
+- /*
+- * space pad the string if it is short.
+- */
+- strncpy(&to[from_length], spaces,
+- to_length - from_length);
+- }
++ /* this zero-pads the destination */
++ strncpy(to, from, to_length);
++ if (from_length < to_length && !compatible) {
++ /*
++ * space pad the string if it is short.
++ */
++ memset(&to[from_length], ' ', to_length - from_length);
+ }
+ if (from_length > to_length)
+ printk(KERN_WARNING "%s: %s string '%s' is too long\n",
+diff --git a/drivers/staging/rts5208/sd.c b/drivers/staging/rts5208/sd.c
+index d98d5fe25a17..0421dd9277a8 100644
+--- a/drivers/staging/rts5208/sd.c
++++ b/drivers/staging/rts5208/sd.c
+@@ -4125,12 +4125,6 @@ RTY_SEND_CMD:
+ rtsx_trace(chip);
+ return STATUS_FAIL;
+ }
+-
+- } else if (rsp_type == SD_RSP_TYPE_R0) {
+- if ((ptr[3] & 0x1E) != 0x03) {
+- rtsx_trace(chip);
+- return STATUS_FAIL;
+- }
+ }
+ }
+ }
+diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c
+index 6d8906d65476..7c5d4647cb5e 100644
+--- a/drivers/thermal/hisi_thermal.c
++++ b/drivers/thermal/hisi_thermal.c
+@@ -26,9 +26,12 @@
+
+ #include "thermal_core.h"
+
++#define TEMP0_LAG (0x0)
+ #define TEMP0_TH (0x4)
+ #define TEMP0_RST_TH (0x8)
+ #define TEMP0_CFG (0xC)
++#define TEMP0_CFG_SS_MSK (0xF000)
++#define TEMP0_CFG_HDAK_MSK (0x30)
+ #define TEMP0_EN (0x10)
+ #define TEMP0_INT_EN (0x14)
+ #define TEMP0_INT_CLR (0x18)
+@@ -38,8 +41,10 @@
+ #define HISI_TEMP_BASE (-60000)
+ #define HISI_TEMP_RESET (100000)
+ #define HISI_TEMP_STEP (784)
++#define HISI_TEMP_LAG (3500)
+
+ #define HISI_MAX_SENSORS 4
++#define HISI_DEFAULT_SENSOR 2
+
+ struct hisi_thermal_sensor {
+ struct hisi_thermal_data *thermal;
+@@ -54,11 +59,8 @@ struct hisi_thermal_data {
+ struct mutex thermal_lock; /* protects register data */
+ struct platform_device *pdev;
+ struct clk *clk;
+- struct hisi_thermal_sensor sensors[HISI_MAX_SENSORS];
+-
+- int irq, irq_bind_sensor;
+- bool irq_enabled;
+-
++ struct hisi_thermal_sensor sensors;
++ int irq;
+ void __iomem *regs;
+ };
+
+@@ -96,72 +98,107 @@ static inline long hisi_thermal_round_temp(int temp)
+ hisi_thermal_temp_to_step(temp));
+ }
+
+-static long hisi_thermal_get_sensor_temp(struct hisi_thermal_data *data,
+- struct hisi_thermal_sensor *sensor)
++/*
++ * The lag register contains 5 bits encoding the temperature in steps.
++ *
++ * Each time the temperature crosses the threshold boundary, an
++ * interrupt is raised. It could be when the temperature is going
++ * above the threshold or below. However, if the temperature is
++ * fluctuating around this value due to the load, we can receive
++ * several interrupts which may not desired.
++ *
++ * We can setup a temperature representing the delta between the
++ * threshold and the current temperature when the temperature is
++ * decreasing.
++ *
++ * For instance: the lag register is 5°C, the threshold is 65°C, when
++ * the temperature reaches 65°C an interrupt is raised and when the
++ * temperature decrease to 65°C - 5°C another interrupt is raised.
++ *
++ * A very short lag can lead to an interrupt storm, a long lag
++ * increase the latency to react to the temperature changes. In our
++ * case, that is not really a problem as we are polling the
++ * temperature.
++ *
++ * [0:4] : lag register
++ *
++ * The temperature is coded in steps, cf. HISI_TEMP_STEP.
++ *
++ * Min : 0x00 : 0.0 °C
++ * Max : 0x1F : 24.3 °C
++ *
++ * The 'value' parameter is in milliCelsius.
++ */
++static inline void hisi_thermal_set_lag(void __iomem *addr, int value)
+ {
+- long val;
+-
+- mutex_lock(&data->thermal_lock);
+-
+- /* disable interrupt */
+- writel(0x0, data->regs + TEMP0_INT_EN);
+- writel(0x1, data->regs + TEMP0_INT_CLR);
+-
+- /* disable module firstly */
+- writel(0x0, data->regs + TEMP0_EN);
+-
+- /* select sensor id */
+- writel((sensor->id << 12), data->regs + TEMP0_CFG);
+-
+- /* enable module */
+- writel(0x1, data->regs + TEMP0_EN);
+-
+- usleep_range(3000, 5000);
+-
+- val = readl(data->regs + TEMP0_VALUE);
+- val = hisi_thermal_step_to_temp(val);
+-
+- mutex_unlock(&data->thermal_lock);
+-
+- return val;
++ writel((value / HISI_TEMP_STEP) & 0x1F, addr + TEMP0_LAG);
+ }
+
+-static void hisi_thermal_enable_bind_irq_sensor
+- (struct hisi_thermal_data *data)
++static inline void hisi_thermal_alarm_clear(void __iomem *addr, int value)
+ {
+- struct hisi_thermal_sensor *sensor;
+-
+- mutex_lock(&data->thermal_lock);
+-
+- sensor = &data->sensors[data->irq_bind_sensor];
+-
+- /* setting the hdak time */
+- writel(0x0, data->regs + TEMP0_CFG);
++ writel(value, addr + TEMP0_INT_CLR);
++}
+
+- /* disable module firstly */
+- writel(0x0, data->regs + TEMP0_RST_MSK);
+- writel(0x0, data->regs + TEMP0_EN);
++static inline void hisi_thermal_alarm_enable(void __iomem *addr, int value)
++{
++ writel(value, addr + TEMP0_INT_EN);
++}
+
+- /* select sensor id */
+- writel((sensor->id << 12), data->regs + TEMP0_CFG);
++static inline void hisi_thermal_alarm_set(void __iomem *addr, int temp)
++{
++ writel(hisi_thermal_temp_to_step(temp) | 0x0FFFFFF00, addr + TEMP0_TH);
++}
+
+- /* enable for interrupt */
+- writel(hisi_thermal_temp_to_step(sensor->thres_temp) | 0x0FFFFFF00,
+- data->regs + TEMP0_TH);
++static inline void hisi_thermal_reset_set(void __iomem *addr, int temp)
++{
++ writel(hisi_thermal_temp_to_step(temp), addr + TEMP0_RST_TH);
++}
+
+- writel(hisi_thermal_temp_to_step(HISI_TEMP_RESET),
+- data->regs + TEMP0_RST_TH);
++static inline void hisi_thermal_reset_enable(void __iomem *addr, int value)
++{
++ writel(value, addr + TEMP0_RST_MSK);
++}
+
+- /* enable module */
+- writel(0x1, data->regs + TEMP0_RST_MSK);
+- writel(0x1, data->regs + TEMP0_EN);
++static inline void hisi_thermal_enable(void __iomem *addr, int value)
++{
++ writel(value, addr + TEMP0_EN);
++}
+
+- writel(0x0, data->regs + TEMP0_INT_CLR);
+- writel(0x1, data->regs + TEMP0_INT_EN);
++static inline int hisi_thermal_get_temperature(void __iomem *addr)
++{
++ return hisi_thermal_step_to_temp(readl(addr + TEMP0_VALUE));
++}
+
+- usleep_range(3000, 5000);
++/*
++ * Temperature configuration register - Sensor selection
++ *
++ * Bits [19:12]
++ *
++ * 0x0: local sensor (default)
++ * 0x1: remote sensor 1 (ACPU cluster 1)
++ * 0x2: remote sensor 2 (ACPU cluster 0)
++ * 0x3: remote sensor 3 (G3D)
++ */
++static inline void hisi_thermal_sensor_select(void __iomem *addr, int sensor)
++{
++ writel((readl(addr + TEMP0_CFG) & ~TEMP0_CFG_SS_MSK) |
++ (sensor << 12), addr + TEMP0_CFG);
++}
+
+- mutex_unlock(&data->thermal_lock);
++/*
++ * Temperature configuration register - Hdak conversion polling interval
++ *
++ * Bits [5:4]
++ *
++ * 0x0 : 0.768 ms
++ * 0x1 : 6.144 ms
++ * 0x2 : 49.152 ms
++ * 0x3 : 393.216 ms
++ */
++static inline void hisi_thermal_hdak_set(void __iomem *addr, int value)
++{
++ writel((readl(addr + TEMP0_CFG) & ~TEMP0_CFG_HDAK_MSK) |
++ (value << 4), addr + TEMP0_CFG);
+ }
+
+ static void hisi_thermal_disable_sensor(struct hisi_thermal_data *data)
+@@ -169,9 +206,9 @@ static void hisi_thermal_disable_sensor(struct hisi_thermal_data *data)
+ mutex_lock(&data->thermal_lock);
+
+ /* disable sensor module */
+- writel(0x0, data->regs + TEMP0_INT_EN);
+- writel(0x0, data->regs + TEMP0_RST_MSK);
+- writel(0x0, data->regs + TEMP0_EN);
++ hisi_thermal_enable(data->regs, 0);
++ hisi_thermal_alarm_enable(data->regs, 0);
++ hisi_thermal_reset_enable(data->regs, 0);
+
+ mutex_unlock(&data->thermal_lock);
+ }
+@@ -181,48 +218,10 @@ static int hisi_thermal_get_temp(void *_sensor, int *temp)
+ struct hisi_thermal_sensor *sensor = _sensor;
+ struct hisi_thermal_data *data = sensor->thermal;
+
+- int sensor_id = -1, i;
+- long max_temp = 0;
++ *temp = hisi_thermal_get_temperature(data->regs);
+
+- *temp = hisi_thermal_get_sensor_temp(data, sensor);
+-
+- sensor->sensor_temp = *temp;
+-
+- for (i = 0; i < HISI_MAX_SENSORS; i++) {
+- if (!data->sensors[i].tzd)
+- continue;
+-
+- if (data->sensors[i].sensor_temp >= max_temp) {
+- max_temp = data->sensors[i].sensor_temp;
+- sensor_id = i;
+- }
+- }
+-
+- /* If no sensor has been enabled, then skip to enable irq */
+- if (sensor_id == -1)
+- return 0;
+-
+- mutex_lock(&data->thermal_lock);
+- data->irq_bind_sensor = sensor_id;
+- mutex_unlock(&data->thermal_lock);
+-
+- dev_dbg(&data->pdev->dev, "id=%d, irq=%d, temp=%d, thres=%d\n",
+- sensor->id, data->irq_enabled, *temp, sensor->thres_temp);
+- /*
+- * Bind irq to sensor for two cases:
+- * Reenable alarm IRQ if temperature below threshold;
+- * if irq has been enabled, always set it;
+- */
+- if (data->irq_enabled) {
+- hisi_thermal_enable_bind_irq_sensor(data);
+- return 0;
+- }
+-
+- if (max_temp < sensor->thres_temp) {
+- data->irq_enabled = true;
+- hisi_thermal_enable_bind_irq_sensor(data);
+- enable_irq(data->irq);
+- }
++ dev_dbg(&data->pdev->dev, "id=%d, temp=%d, thres=%d\n",
++ sensor->id, *temp, sensor->thres_temp);
+
+ return 0;
+ }
+@@ -231,35 +230,26 @@ static const struct thermal_zone_of_device_ops hisi_of_thermal_ops = {
+ .get_temp = hisi_thermal_get_temp,
+ };
+
+-static irqreturn_t hisi_thermal_alarm_irq(int irq, void *dev)
+-{
+- struct hisi_thermal_data *data = dev;
+-
+- disable_irq_nosync(irq);
+- data->irq_enabled = false;
+-
+- return IRQ_WAKE_THREAD;
+-}
+-
+ static irqreturn_t hisi_thermal_alarm_irq_thread(int irq, void *dev)
+ {
+ struct hisi_thermal_data *data = dev;
+- struct hisi_thermal_sensor *sensor;
+- int i;
++ struct hisi_thermal_sensor *sensor = &data->sensors;
++ int temp;
+
+- mutex_lock(&data->thermal_lock);
+- sensor = &data->sensors[data->irq_bind_sensor];
++ hisi_thermal_alarm_clear(data->regs, 1);
+
+- dev_crit(&data->pdev->dev, "THERMAL ALARM: T > %d\n",
+- sensor->thres_temp);
+- mutex_unlock(&data->thermal_lock);
++ temp = hisi_thermal_get_temperature(data->regs);
+
+- for (i = 0; i < HISI_MAX_SENSORS; i++) {
+- if (!data->sensors[i].tzd)
+- continue;
++ if (temp >= sensor->thres_temp) {
++ dev_crit(&data->pdev->dev, "THERMAL ALARM: %d > %d\n",
++ temp, sensor->thres_temp);
+
+- thermal_zone_device_update(data->sensors[i].tzd,
++ thermal_zone_device_update(data->sensors.tzd,
+ THERMAL_EVENT_UNSPECIFIED);
++
++ } else if (temp < sensor->thres_temp) {
++ dev_crit(&data->pdev->dev, "THERMAL ALARM stopped: %d < %d\n",
++ temp, sensor->thres_temp);
+ }
+
+ return IRQ_HANDLED;
+@@ -313,11 +303,44 @@ static void hisi_thermal_toggle_sensor(struct hisi_thermal_sensor *sensor,
+ on ? THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED);
+ }
+
++static int hisi_thermal_setup(struct hisi_thermal_data *data)
++{
++ struct hisi_thermal_sensor *sensor;
++
++ sensor = &data->sensors;
++
++ /* disable module firstly */
++ hisi_thermal_reset_enable(data->regs, 0);
++ hisi_thermal_enable(data->regs, 0);
++
++ /* select sensor id */
++ hisi_thermal_sensor_select(data->regs, sensor->id);
++
++ /* setting the hdak time */
++ hisi_thermal_hdak_set(data->regs, 0);
++
++ /* setting lag value between current temp and the threshold */
++ hisi_thermal_set_lag(data->regs, HISI_TEMP_LAG);
++
++ /* enable for interrupt */
++ hisi_thermal_alarm_set(data->regs, sensor->thres_temp);
++
++ hisi_thermal_reset_set(data->regs, HISI_TEMP_RESET);
++
++ /* enable module */
++ hisi_thermal_reset_enable(data->regs, 1);
++ hisi_thermal_enable(data->regs, 1);
++
++ hisi_thermal_alarm_clear(data->regs, 0);
++ hisi_thermal_alarm_enable(data->regs, 1);
++
++ return 0;
++}
++
+ static int hisi_thermal_probe(struct platform_device *pdev)
+ {
+ struct hisi_thermal_data *data;
+ struct resource *res;
+- int i;
+ int ret;
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+@@ -356,29 +379,30 @@ static int hisi_thermal_probe(struct platform_device *pdev)
+ return ret;
+ }
+
+- hisi_thermal_enable_bind_irq_sensor(data);
+- data->irq_enabled = true;
++ ret = hisi_thermal_register_sensor(pdev, data,
++ &data->sensors,
++ HISI_DEFAULT_SENSOR);
++ if (ret) {
++ dev_err(&pdev->dev, "failed to register thermal sensor: %d\n",
++ ret);
++ return ret;
++ }
+
+- for (i = 0; i < HISI_MAX_SENSORS; ++i) {
+- ret = hisi_thermal_register_sensor(pdev, data,
+- &data->sensors[i], i);
+- if (ret)
+- dev_err(&pdev->dev,
+- "failed to register thermal sensor: %d\n", ret);
+- else
+- hisi_thermal_toggle_sensor(&data->sensors[i], true);
++ ret = hisi_thermal_setup(data);
++ if (ret) {
++ dev_err(&pdev->dev, "Failed to setup the sensor: %d\n", ret);
++ return ret;
+ }
+
+- ret = devm_request_threaded_irq(&pdev->dev, data->irq,
+- hisi_thermal_alarm_irq,
++ ret = devm_request_threaded_irq(&pdev->dev, data->irq, NULL,
+ hisi_thermal_alarm_irq_thread,
+- 0, "hisi_thermal", data);
++ IRQF_ONESHOT, "hisi_thermal", data);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to request alarm irq: %d\n", ret);
+ return ret;
+ }
+
+- enable_irq(data->irq);
++ hisi_thermal_toggle_sensor(&data->sensors, true);
+
+ return 0;
+ }
+@@ -386,17 +410,9 @@ static int hisi_thermal_probe(struct platform_device *pdev)
+ static int hisi_thermal_remove(struct platform_device *pdev)
+ {
+ struct hisi_thermal_data *data = platform_get_drvdata(pdev);
+- int i;
+-
+- for (i = 0; i < HISI_MAX_SENSORS; i++) {
+- struct hisi_thermal_sensor *sensor = &data->sensors[i];
+-
+- if (!sensor->tzd)
+- continue;
+-
+- hisi_thermal_toggle_sensor(sensor, false);
+- }
++ struct hisi_thermal_sensor *sensor = &data->sensors;
+
++ hisi_thermal_toggle_sensor(sensor, false);
+ hisi_thermal_disable_sensor(data);
+ clk_disable_unprepare(data->clk);
+
+@@ -409,7 +425,6 @@ static int hisi_thermal_suspend(struct device *dev)
+ struct hisi_thermal_data *data = dev_get_drvdata(dev);
+
+ hisi_thermal_disable_sensor(data);
+- data->irq_enabled = false;
+
+ clk_disable_unprepare(data->clk);
+
+@@ -425,8 +440,7 @@ static int hisi_thermal_resume(struct device *dev)
+ if (ret)
+ return ret;
+
+- data->irq_enabled = true;
+- hisi_thermal_enable_bind_irq_sensor(data);
++ hisi_thermal_setup(data);
+
+ return 0;
+ }
+diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
+index 2db68dfe497d..c448225ef5ca 100644
+--- a/drivers/tty/serial/kgdboc.c
++++ b/drivers/tty/serial/kgdboc.c
+@@ -131,24 +131,6 @@ static void kgdboc_unregister_kbd(void)
+ #define kgdboc_restore_input()
+ #endif /* ! CONFIG_KDB_KEYBOARD */
+
+-static int kgdboc_option_setup(char *opt)
+-{
+- if (!opt) {
+- pr_err("kgdboc: config string not provided\n");
+- return -EINVAL;
+- }
+-
+- if (strlen(opt) >= MAX_CONFIG_LEN) {
+- printk(KERN_ERR "kgdboc: config string too long\n");
+- return -ENOSPC;
+- }
+- strcpy(config, opt);
+-
+- return 0;
+-}
+-
+-__setup("kgdboc=", kgdboc_option_setup);
+-
+ static void cleanup_kgdboc(void)
+ {
+ if (kgdb_unregister_nmi_console())
+@@ -162,15 +144,13 @@ static int configure_kgdboc(void)
+ {
+ struct tty_driver *p;
+ int tty_line = 0;
+- int err;
++ int err = -ENODEV;
+ char *cptr = config;
+ struct console *cons;
+
+- err = kgdboc_option_setup(config);
+- if (err || !strlen(config) || isspace(config[0]))
++ if (!strlen(config) || isspace(config[0]))
+ goto noconfig;
+
+- err = -ENODEV;
+ kgdboc_io_ops.is_console = 0;
+ kgdb_tty_driver = NULL;
+
+@@ -318,6 +298,25 @@ static struct kgdb_io kgdboc_io_ops = {
+ };
+
+ #ifdef CONFIG_KGDB_SERIAL_CONSOLE
++static int kgdboc_option_setup(char *opt)
++{
++ if (!opt) {
++ pr_err("config string not provided\n");
++ return -EINVAL;
++ }
++
++ if (strlen(opt) >= MAX_CONFIG_LEN) {
++ pr_err("config string too long\n");
++ return -ENOSPC;
++ }
++ strcpy(config, opt);
++
++ return 0;
++}
++
++__setup("kgdboc=", kgdboc_option_setup);
++
++
+ /* This is only available if kgdboc is a built in for early debugging */
+ static int __init kgdboc_early_init(char *opt)
+ {
+diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
+index e42673477c25..858d5812eb8f 100644
+--- a/fs/btrfs/disk-io.c
++++ b/fs/btrfs/disk-io.c
+@@ -451,9 +451,9 @@ static int btree_read_extent_buffer_pages(struct btrfs_fs_info *fs_info,
+ int mirror_num = 0;
+ int failed_mirror = 0;
+
+- clear_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags);
+ io_tree = &BTRFS_I(fs_info->btree_inode)->io_tree;
+ while (1) {
++ clear_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags);
+ ret = read_extent_buffer_pages(io_tree, eb, WAIT_COMPLETE,
+ btree_get_extent, mirror_num);
+ if (!ret) {
+@@ -464,14 +464,6 @@ static int btree_read_extent_buffer_pages(struct btrfs_fs_info *fs_info,
+ ret = -EIO;
+ }
+
+- /*
+- * This buffer's crc is fine, but its contents are corrupted, so
+- * there is no reason to read the other copies, they won't be
+- * any less wrong.
+- */
+- if (test_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags))
+- break;
+-
+ num_copies = btrfs_num_copies(fs_info,
+ eb->start, eb->len);
+ if (num_copies == 1)
+diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
+index f206aec1525d..ebc882281b39 100644
+--- a/fs/btrfs/tree-checker.c
++++ b/fs/btrfs/tree-checker.c
+@@ -348,13 +348,11 @@ static int check_block_group_item(struct btrfs_fs_info *fs_info,
+
+ /*
+ * Here we don't really care about alignment since extent allocator can
+- * handle it. We care more about the size, as if one block group is
+- * larger than maximum size, it's must be some obvious corruption.
++ * handle it. We care more about the size.
+ */
+- if (key->offset > BTRFS_MAX_DATA_CHUNK_SIZE || key->offset == 0) {
++ if (key->offset == 0) {
+ block_group_err(fs_info, leaf, slot,
+- "invalid block group size, have %llu expect (0, %llu]",
+- key->offset, BTRFS_MAX_DATA_CHUNK_SIZE);
++ "invalid block group size 0");
+ return -EUCLEAN;
+ }
+
+diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c
+index 08ccabd7047f..5145ae2f0572 100644
+--- a/fs/kernfs/symlink.c
++++ b/fs/kernfs/symlink.c
+@@ -88,7 +88,7 @@ static int kernfs_get_target_path(struct kernfs_node *parent,
+ int slen = strlen(kn->name);
+
+ len -= slen;
+- strncpy(s + len, kn->name, slen);
++ memcpy(s + len, kn->name, slen);
+ if (len)
+ s[--len] = '/';
+
+diff --git a/fs/udf/super.c b/fs/udf/super.c
+index 9b0d6562d0a1..242d960df9a1 100644
+--- a/fs/udf/super.c
++++ b/fs/udf/super.c
+@@ -922,16 +922,20 @@ static int udf_load_pvoldesc(struct super_block *sb, sector_t block)
+ }
+
+ ret = udf_dstrCS0toUTF8(outstr, 31, pvoldesc->volIdent, 32);
+- if (ret < 0)
+- goto out_bh;
+-
+- strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret);
++ if (ret < 0) {
++ strcpy(UDF_SB(sb)->s_volume_ident, "InvalidName");
++ pr_warn("incorrect volume identification, setting to "
++ "'InvalidName'\n");
++ } else {
++ strncpy(UDF_SB(sb)->s_volume_ident, outstr, ret);
++ }
+ udf_debug("volIdent[] = '%s'\n", UDF_SB(sb)->s_volume_ident);
+
+ ret = udf_dstrCS0toUTF8(outstr, 127, pvoldesc->volSetIdent, 128);
+- if (ret < 0)
++ if (ret < 0) {
++ ret = 0;
+ goto out_bh;
+-
++ }
+ outstr[ret] = 0;
+ udf_debug("volSetIdent[] = '%s'\n", outstr);
+
+diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
+index 3a3be23689b3..61a1738895b7 100644
+--- a/fs/udf/unicode.c
++++ b/fs/udf/unicode.c
+@@ -341,6 +341,11 @@ try_again:
+ return u_len;
+ }
+
++/*
++ * Convert CS0 dstring to output charset. Warning: This function may truncate
++ * input string if it is too long as it is used for informational strings only
++ * and it is better to truncate the string than to refuse mounting a media.
++ */
+ int udf_dstrCS0toUTF8(uint8_t *utf_o, int o_len,
+ const uint8_t *ocu_i, int i_len)
+ {
+@@ -349,9 +354,12 @@ int udf_dstrCS0toUTF8(uint8_t *utf_o, int o_len,
+ if (i_len > 0) {
+ s_len = ocu_i[i_len - 1];
+ if (s_len >= i_len) {
+- pr_err("incorrect dstring lengths (%d/%d)\n",
+- s_len, i_len);
+- return -EINVAL;
++ pr_warn("incorrect dstring lengths (%d/%d),"
++ " truncating\n", s_len, i_len);
++ s_len = i_len - 1;
++ /* 2-byte encoding? Need to round properly... */
++ if (ocu_i[0] == 16)
++ s_len -= (s_len - 1) & 2;
+ }
+ }
+
+diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
+index 3eda623e4cb4..f92e1f2fc846 100644
+--- a/fs/userfaultfd.c
++++ b/fs/userfaultfd.c
+@@ -1362,6 +1362,19 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
+ ret = -EINVAL;
+ if (!vma_can_userfault(cur))
+ goto out_unlock;
++
++ /*
++ * UFFDIO_COPY will fill file holes even without
++ * PROT_WRITE. This check enforces that if this is a
++ * MAP_SHARED, the process has write permission to the backing
++ * file. If VM_MAYWRITE is set it also enforces that on a
++ * MAP_SHARED vma: there is no F_WRITE_SEAL and no further
++ * F_WRITE_SEAL can be taken until the vma is destroyed.
++ */
++ ret = -EPERM;
++ if (unlikely(!(cur->vm_flags & VM_MAYWRITE)))
++ goto out_unlock;
++
+ /*
+ * If this vma contains ending address, and huge pages
+ * check alignment.
+@@ -1407,6 +1420,7 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
+ BUG_ON(!vma_can_userfault(vma));
+ BUG_ON(vma->vm_userfaultfd_ctx.ctx &&
+ vma->vm_userfaultfd_ctx.ctx != ctx);
++ WARN_ON(!(vma->vm_flags & VM_MAYWRITE));
+
+ /*
+ * Nothing to do: this vma is already registered into this
+@@ -1553,6 +1567,7 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
+ cond_resched();
+
+ BUG_ON(!vma_can_userfault(vma));
++ WARN_ON(!(vma->vm_flags & VM_MAYWRITE));
+
+ /*
+ * Nothing to do: this vma is already registered into this
+diff --git a/include/linux/reset.h b/include/linux/reset.h
+index 4c7871ddf3c6..ed6fb0290797 100644
+--- a/include/linux/reset.h
++++ b/include/linux/reset.h
+@@ -20,22 +20,16 @@ struct reset_control *__reset_control_get(struct device *dev, const char *id,
+ int index, bool shared,
+ bool optional);
+ void reset_control_put(struct reset_control *rstc);
++int __device_reset(struct device *dev, bool optional);
+ struct reset_control *__devm_reset_control_get(struct device *dev,
+ const char *id, int index, bool shared,
+ bool optional);
+
+-int __must_check device_reset(struct device *dev);
+-
+ struct reset_control *devm_reset_control_array_get(struct device *dev,
+ bool shared, bool optional);
+ struct reset_control *of_reset_control_array_get(struct device_node *np,
+ bool shared, bool optional);
+
+-static inline int device_reset_optional(struct device *dev)
+-{
+- return device_reset(dev);
+-}
+-
+ #else
+
+ static inline int reset_control_reset(struct reset_control *rstc)
+@@ -62,15 +56,9 @@ static inline void reset_control_put(struct reset_control *rstc)
+ {
+ }
+
+-static inline int __must_check device_reset(struct device *dev)
+-{
+- WARN_ON(1);
+- return -ENOTSUPP;
+-}
+-
+-static inline int device_reset_optional(struct device *dev)
++static inline int __device_reset(struct device *dev, bool optional)
+ {
+- return -ENOTSUPP;
++ return optional ? 0 : -ENOTSUPP;
+ }
+
+ static inline struct reset_control *__of_reset_control_get(
+@@ -109,6 +97,16 @@ of_reset_control_array_get(struct device_node *np, bool shared, bool optional)
+
+ #endif /* CONFIG_RESET_CONTROLLER */
+
++static inline int __must_check device_reset(struct device *dev)
++{
++ return __device_reset(dev, false);
++}
++
++static inline int device_reset_optional(struct device *dev)
++{
++ return __device_reset(dev, true);
++}
++
+ /**
+ * reset_control_get_exclusive - Lookup and obtain an exclusive reference
+ * to a reset controller.
+@@ -127,9 +125,6 @@ of_reset_control_array_get(struct device_node *np, bool shared, bool optional)
+ static inline struct reset_control *
+ __must_check reset_control_get_exclusive(struct device *dev, const char *id)
+ {
+-#ifndef CONFIG_RESET_CONTROLLER
+- WARN_ON(1);
+-#endif
+ return __reset_control_get(dev, id, 0, false, false);
+ }
+
+@@ -275,9 +270,6 @@ static inline struct reset_control *
+ __must_check devm_reset_control_get_exclusive(struct device *dev,
+ const char *id)
+ {
+-#ifndef CONFIG_RESET_CONTROLLER
+- WARN_ON(1);
+-#endif
+ return __devm_reset_control_get(dev, id, 0, false, false);
+ }
+
+diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c
+index 014f6fbb3832..b14b0925c184 100644
+--- a/kernel/debug/kdb/kdb_support.c
++++ b/kernel/debug/kdb/kdb_support.c
+@@ -129,13 +129,13 @@ int kdbnearsym(unsigned long addr, kdb_symtab_t *symtab)
+ }
+ if (i >= ARRAY_SIZE(kdb_name_table)) {
+ debug_kfree(kdb_name_table[0]);
+- memcpy(kdb_name_table, kdb_name_table+1,
++ memmove(kdb_name_table, kdb_name_table+1,
+ sizeof(kdb_name_table[0]) *
+ (ARRAY_SIZE(kdb_name_table)-1));
+ } else {
+ debug_kfree(knt1);
+ knt1 = kdb_name_table[i];
+- memcpy(kdb_name_table+i, kdb_name_table+i+1,
++ memmove(kdb_name_table+i, kdb_name_table+i+1,
+ sizeof(kdb_name_table[0]) *
+ (ARRAY_SIZE(kdb_name_table)-i-1));
+ }
+diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
+index 267f6ef91d97..01941cffa9c2 100644
+--- a/kernel/events/uprobes.c
++++ b/kernel/events/uprobes.c
+@@ -616,7 +616,7 @@ static int prepare_uprobe(struct uprobe *uprobe, struct file *file,
+ BUG_ON((uprobe->offset & ~PAGE_MASK) +
+ UPROBE_SWBP_INSN_SIZE > PAGE_SIZE);
+
+- smp_wmb(); /* pairs with rmb() in find_active_uprobe() */
++ smp_wmb(); /* pairs with the smp_rmb() in handle_swbp() */
+ set_bit(UPROBE_COPY_INSN, &uprobe->flags);
+
+ out:
+@@ -1910,10 +1910,18 @@ static void handle_swbp(struct pt_regs *regs)
+ * After we hit the bp, _unregister + _register can install the
+ * new and not-yet-analyzed uprobe at the same address, restart.
+ */
+- smp_rmb(); /* pairs with wmb() in install_breakpoint() */
+ if (unlikely(!test_bit(UPROBE_COPY_INSN, &uprobe->flags)))
+ goto out;
+
++ /*
++ * Pairs with the smp_wmb() in prepare_uprobe().
++ *
++ * Guarantees that if we see the UPROBE_COPY_INSN bit set, then
++ * we must also see the stores to &uprobe->arch performed by the
++ * prepare_uprobe() call.
++ */
++ smp_rmb();
++
+ /* Tracing handlers use ->utask to communicate with fetch methods */
+ if (!get_utask())
+ goto out;
+diff --git a/lib/kobject.c b/lib/kobject.c
+index 34f847252c02..bbbb067de8ec 100644
+--- a/lib/kobject.c
++++ b/lib/kobject.c
+@@ -127,7 +127,7 @@ static void fill_kobj_path(struct kobject *kobj, char *path, int length)
+ int cur = strlen(kobject_name(parent));
+ /* back up enough to print this name with '/' */
+ length -= cur;
+- strncpy(path + length, kobject_name(parent), cur);
++ memcpy(path + length, kobject_name(parent), cur);
+ *(path + --length) = '/';
+ }
+
+diff --git a/lib/test_hexdump.c b/lib/test_hexdump.c
+index 3f415d8101f3..1c3c513add77 100644
+--- a/lib/test_hexdump.c
++++ b/lib/test_hexdump.c
+@@ -81,7 +81,7 @@ static void __init test_hexdump_prepare_test(size_t len, int rowsize,
+ const char *q = *result++;
+ size_t amount = strlen(q);
+
+- strncpy(p, q, amount);
++ memcpy(p, q, amount);
+ p += amount;
+
+ *p++ = ' ';
+diff --git a/mm/hugetlb.c b/mm/hugetlb.c
+index f46040aed2da..224cdd953a79 100644
+--- a/mm/hugetlb.c
++++ b/mm/hugetlb.c
+@@ -4037,7 +4037,7 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
+
+ /* fallback to copy_from_user outside mmap_sem */
+ if (unlikely(ret)) {
+- ret = -EFAULT;
++ ret = -ENOENT;
+ *pagep = page;
+ /* don't free the page */
+ goto out;
+diff --git a/mm/shmem.c b/mm/shmem.c
+index ab7ff0aeae2d..6c10f1d92251 100644
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -2244,6 +2244,7 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
+ struct page *page;
+ pte_t _dst_pte, *dst_pte;
+ int ret;
++ pgoff_t offset, max_off;
+
+ ret = -ENOMEM;
+ if (!shmem_inode_acct_block(inode, 1))
+@@ -2266,7 +2267,7 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
+ *pagep = page;
+ shmem_inode_unacct_blocks(inode, 1);
+ /* don't free the page */
+- return -EFAULT;
++ return -ENOENT;
+ }
+ } else { /* mfill_zeropage_atomic */
+ clear_highpage(page);
+@@ -2281,6 +2282,12 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
+ __SetPageSwapBacked(page);
+ __SetPageUptodate(page);
+
++ ret = -EFAULT;
++ offset = linear_page_index(dst_vma, dst_addr);
++ max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
++ if (unlikely(offset >= max_off))
++ goto out_release;
++
+ ret = mem_cgroup_try_charge(page, dst_mm, gfp, &memcg, false);
+ if (ret)
+ goto out_release;
+@@ -2298,9 +2305,25 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
+ _dst_pte = mk_pte(page, dst_vma->vm_page_prot);
+ if (dst_vma->vm_flags & VM_WRITE)
+ _dst_pte = pte_mkwrite(pte_mkdirty(_dst_pte));
++ else {
++ /*
++ * We don't set the pte dirty if the vma has no
++ * VM_WRITE permission, so mark the page dirty or it
++ * could be freed from under us. We could do it
++ * unconditionally before unlock_page(), but doing it
++ * only if VM_WRITE is not set is faster.
++ */
++ set_page_dirty(page);
++ }
+
+- ret = -EEXIST;
+ dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
++
++ ret = -EFAULT;
++ max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
++ if (unlikely(offset >= max_off))
++ goto out_release_uncharge_unlock;
++
++ ret = -EEXIST;
+ if (!pte_none(*dst_pte))
+ goto out_release_uncharge_unlock;
+
+@@ -2318,13 +2341,15 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
+
+ /* No need to invalidate - it was non-present before */
+ update_mmu_cache(dst_vma, dst_addr, dst_pte);
+- unlock_page(page);
+ pte_unmap_unlock(dst_pte, ptl);
++ unlock_page(page);
+ ret = 0;
+ out:
+ return ret;
+ out_release_uncharge_unlock:
+ pte_unmap_unlock(dst_pte, ptl);
++ ClearPageDirty(page);
++ delete_from_page_cache(page);
+ out_release_uncharge:
+ mem_cgroup_cancel_charge(page, memcg, false);
+ out_release:
+diff --git a/mm/truncate.c b/mm/truncate.c
+index 2330223841fb..d3a2737cc188 100644
+--- a/mm/truncate.c
++++ b/mm/truncate.c
+@@ -471,9 +471,13 @@ void truncate_inode_pages_final(struct address_space *mapping)
+ */
+ spin_lock_irq(&mapping->tree_lock);
+ spin_unlock_irq(&mapping->tree_lock);
+-
+- truncate_inode_pages(mapping, 0);
+ }
++
++ /*
++ * Cleancache needs notification even if there are no pages or shadow
++ * entries.
++ */
++ truncate_inode_pages(mapping, 0);
+ }
+ EXPORT_SYMBOL(truncate_inode_pages_final);
+
+diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
+index 81192701964d..5d70fdbd8bc0 100644
+--- a/mm/userfaultfd.c
++++ b/mm/userfaultfd.c
+@@ -34,6 +34,8 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
+ void *page_kaddr;
+ int ret;
+ struct page *page;
++ pgoff_t offset, max_off;
++ struct inode *inode;
+
+ if (!*pagep) {
+ ret = -ENOMEM;
+@@ -49,7 +51,7 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
+
+ /* fallback to copy_from_user outside mmap_sem */
+ if (unlikely(ret)) {
+- ret = -EFAULT;
++ ret = -ENOENT;
+ *pagep = page;
+ /* don't free the page */
+ goto out;
+@@ -74,8 +76,17 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
+ if (dst_vma->vm_flags & VM_WRITE)
+ _dst_pte = pte_mkwrite(pte_mkdirty(_dst_pte));
+
+- ret = -EEXIST;
+ dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
++ if (dst_vma->vm_file) {
++ /* the shmem MAP_PRIVATE case requires checking the i_size */
++ inode = dst_vma->vm_file->f_inode;
++ offset = linear_page_index(dst_vma, dst_addr);
++ max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
++ ret = -EFAULT;
++ if (unlikely(offset >= max_off))
++ goto out_release_uncharge_unlock;
++ }
++ ret = -EEXIST;
+ if (!pte_none(*dst_pte))
+ goto out_release_uncharge_unlock;
+
+@@ -109,11 +120,22 @@ static int mfill_zeropage_pte(struct mm_struct *dst_mm,
+ pte_t _dst_pte, *dst_pte;
+ spinlock_t *ptl;
+ int ret;
++ pgoff_t offset, max_off;
++ struct inode *inode;
+
+ _dst_pte = pte_mkspecial(pfn_pte(my_zero_pfn(dst_addr),
+ dst_vma->vm_page_prot));
+- ret = -EEXIST;
+ dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
++ if (dst_vma->vm_file) {
++ /* the shmem MAP_PRIVATE case requires checking the i_size */
++ inode = dst_vma->vm_file->f_inode;
++ offset = linear_page_index(dst_vma, dst_addr);
++ max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
++ ret = -EFAULT;
++ if (unlikely(offset >= max_off))
++ goto out_unlock;
++ }
++ ret = -EEXIST;
+ if (!pte_none(*dst_pte))
+ goto out_unlock;
+ set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);
+@@ -206,8 +228,9 @@ retry:
+ if (!dst_vma || !is_vm_hugetlb_page(dst_vma))
+ goto out_unlock;
+ /*
+- * Only allow __mcopy_atomic_hugetlb on userfaultfd
+- * registered ranges.
++ * Check the vma is registered in uffd, this is
++ * required to enforce the VM_MAYWRITE check done at
++ * uffd registration time.
+ */
+ if (!dst_vma->vm_userfaultfd_ctx.ctx)
+ goto out_unlock;
+@@ -275,7 +298,7 @@ retry:
+
+ cond_resched();
+
+- if (unlikely(err == -EFAULT)) {
++ if (unlikely(err == -ENOENT)) {
+ up_read(&dst_mm->mmap_sem);
+ BUG_ON(!page);
+
+@@ -381,7 +404,17 @@ static __always_inline ssize_t mfill_atomic_pte(struct mm_struct *dst_mm,
+ {
+ ssize_t err;
+
+- if (vma_is_anonymous(dst_vma)) {
++ /*
++ * The normal page fault path for a shmem will invoke the
++ * fault, fill the hole in the file and COW it right away. The
++ * result generates plain anonymous memory. So when we are
++ * asked to fill an hole in a MAP_PRIVATE shmem mapping, we'll
++ * generate anonymous memory directly without actually filling
++ * the hole. For the MAP_PRIVATE case the robustness check
++ * only happens in the pagetable (to verify it's still none)
++ * and not in the radix tree.
++ */
++ if (!(dst_vma->vm_flags & VM_SHARED)) {
+ if (!zeropage)
+ err = mcopy_atomic_pte(dst_mm, dst_pmd, dst_vma,
+ dst_addr, src_addr, page);
+@@ -440,13 +473,9 @@ retry:
+ if (!dst_vma)
+ goto out_unlock;
+ /*
+- * Be strict and only allow __mcopy_atomic on userfaultfd
+- * registered ranges to prevent userland errors going
+- * unnoticed. As far as the VM consistency is concerned, it
+- * would be perfectly safe to remove this check, but there's
+- * no useful usage for __mcopy_atomic ouside of userfaultfd
+- * registered ranges. This is after all why these are ioctls
+- * belonging to the userfaultfd and not syscalls.
++ * Check the vma is registered in uffd, this is required to
++ * enforce the VM_MAYWRITE check done at uffd registration
++ * time.
+ */
+ if (!dst_vma->vm_userfaultfd_ctx.ctx)
+ goto out_unlock;
+@@ -480,7 +509,8 @@ retry:
+ * dst_vma.
+ */
+ err = -ENOMEM;
+- if (vma_is_anonymous(dst_vma) && unlikely(anon_vma_prepare(dst_vma)))
++ if (!(dst_vma->vm_flags & VM_SHARED) &&
++ unlikely(anon_vma_prepare(dst_vma)))
+ goto out_unlock;
+
+ while (src_addr < src_start + len) {
+@@ -521,7 +551,7 @@ retry:
+ src_addr, &page, zeropage);
+ cond_resched();
+
+- if (unlikely(err == -EFAULT)) {
++ if (unlikely(err == -ENOENT)) {
+ void *page_kaddr;
+
+ up_read(&dst_mm->mmap_sem);
+diff --git a/mm/vmstat.c b/mm/vmstat.c
+index 527ae727d547..6389e876c7a7 100644
+--- a/mm/vmstat.c
++++ b/mm/vmstat.c
+@@ -1500,6 +1500,10 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
+ if (is_zone_first_populated(pgdat, zone)) {
+ seq_printf(m, "\n per-node stats");
+ for (i = 0; i < NR_VM_NODE_STAT_ITEMS; i++) {
++ /* Skip hidden vmstat items. */
++ if (*vmstat_text[i + NR_VM_ZONE_STAT_ITEMS +
++ NR_VM_NUMA_STAT_ITEMS] == '\0')
++ continue;
+ seq_printf(m, "\n %-12s %lu",
+ vmstat_text[i + NR_VM_ZONE_STAT_ITEMS +
+ NR_VM_NUMA_STAT_ITEMS],
+diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
+index 72eee34092ae..fabc299cb875 100644
+--- a/net/ipv4/ip_tunnel.c
++++ b/net/ipv4/ip_tunnel.c
+@@ -261,8 +261,8 @@ static struct net_device *__ip_tunnel_create(struct net *net,
+ } else {
+ if (strlen(ops->kind) > (IFNAMSIZ - 3))
+ goto failed;
+- strlcpy(name, ops->kind, IFNAMSIZ);
+- strncat(name, "%d", 2);
++ strcpy(name, ops->kind);
++ strcat(name, "%d");
+ }
+
+ ASSERT_RTNL();
+diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
+index be3d9e3183dc..959c9aea3d1a 100644
+--- a/net/tipc/subscr.c
++++ b/net/tipc/subscr.c
+@@ -375,7 +375,7 @@ int tipc_topsrv_start(struct net *net)
+ topsrv->tipc_conn_new = tipc_subscrb_connect_cb;
+ topsrv->tipc_conn_release = tipc_subscrb_release_cb;
+
+- strncpy(topsrv->name, name, strlen(name) + 1);
++ strscpy(topsrv->name, name, sizeof(topsrv->name));
+ tn->topsrv = topsrv;
+ atomic_set(&tn->subscription_count, 0);
+
+diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
+index c6ebf4239e64..8d5357053f86 100644
+--- a/scripts/Makefile.extrawarn
++++ b/scripts/Makefile.extrawarn
+@@ -11,6 +11,8 @@
+ # are not supported by all versions of the compiler
+ # ==========================================================================
+
++KBUILD_CFLAGS += $(call cc-disable-warning, packed-not-aligned)
++
+ ifeq ("$(origin W)", "command line")
+ export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
+ endif
+@@ -26,6 +28,7 @@ warning-1 += -Wold-style-definition
+ warning-1 += $(call cc-option, -Wmissing-include-dirs)
+ warning-1 += $(call cc-option, -Wunused-but-set-variable)
+ warning-1 += $(call cc-option, -Wunused-const-variable)
++warning-1 += $(call cc-option, -Wpacked-not-aligned)
+ warning-1 += $(call cc-disable-warning, missing-field-initializers)
+ warning-1 += $(call cc-disable-warning, sign-compare)
+
+diff --git a/scripts/unifdef.c b/scripts/unifdef.c
+index 7493c0ee51cc..db00e3e30a59 100644
+--- a/scripts/unifdef.c
++++ b/scripts/unifdef.c
+@@ -395,7 +395,7 @@ usage(void)
+ * When we have processed a group that starts off with a known-false
+ * #if/#elif sequence (which has therefore been deleted) followed by a
+ * #elif that we don't understand and therefore must keep, we edit the
+- * latter into a #if to keep the nesting correct. We use strncpy() to
++ * latter into a #if to keep the nesting correct. We use memcpy() to
+ * overwrite the 4 byte token "elif" with "if " without a '\0' byte.
+ *
+ * When we find a true #elif in a group, the following block will
+@@ -450,7 +450,7 @@ static void Idrop (void) { Fdrop(); ignoreon(); }
+ static void Itrue (void) { Ftrue(); ignoreon(); }
+ static void Ifalse(void) { Ffalse(); ignoreon(); }
+ /* modify this line */
+-static void Mpass (void) { strncpy(keyword, "if ", 4); Pelif(); }
++static void Mpass (void) { memcpy(keyword, "if ", 4); Pelif(); }
+ static void Mtrue (void) { keywordedit("else"); state(IS_TRUE_MIDDLE); }
+ static void Melif (void) { keywordedit("endif"); state(IS_FALSE_TRAILER); }
+ static void Melse (void) { keywordedit("endif"); state(IS_FALSE_ELSE); }
+diff --git a/sound/pci/trident/trident.c b/sound/pci/trident/trident.c
+index cedf13b64803..2f18b1cdc2cd 100644
+--- a/sound/pci/trident/trident.c
++++ b/sound/pci/trident/trident.c
+@@ -123,7 +123,7 @@ static int snd_trident_probe(struct pci_dev *pci,
+ } else {
+ strcpy(card->shortname, "Trident ");
+ }
+- strcat(card->shortname, card->driver);
++ strcat(card->shortname, str);
+ sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d",
+ card->shortname, trident->port, trident->irq);
+
+diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
+index 697872d8308e..8b7abbd69116 100644
+--- a/sound/x86/intel_hdmi_audio.c
++++ b/sound/x86/intel_hdmi_audio.c
+@@ -1839,7 +1839,7 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
+ /* setup private data which can be retrieved when required */
+ pcm->private_data = ctx;
+ pcm->info_flags = 0;
+- strncpy(pcm->name, card->shortname, strlen(card->shortname));
++ strlcpy(pcm->name, card->shortname, strlen(card->shortname));
+ /* setup the ops for playabck */
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &had_pcm_ops);
+
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