diff options
| author |   Mike Pagano <mpagano@gentoo.org> | 2022-09-15 06:30:56 -0400 |
|---|---|---|
| committer | Mike Pagano <mpagano@gentoo.org> | 2022-09-15 06:30:56 -0400 |
| commit | 5001fb691f5a0cb75ff7bfc439fdcbe1da7fef5c (patch) | |
| tree | 11abb871490f9d8f7073df00ba24d69a086bd567 | |
| parent | Linux patch 5.10.142 (diff) | |
| download | linux-patches-5001fb691f5a0cb75ff7bfc439fdcbe1da7fef5c.tar.gz linux-patches-5001fb691f5a0cb75ff7bfc439fdcbe1da7fef5c.tar.bz2 linux-patches-5001fb691f5a0cb75ff7bfc439fdcbe1da7fef5c.zip | |
Linux patch 5.10.1435.10-152
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1142_linux-5.10.143.patch | 2685 |
2 files changed, 2689 insertions, 0 deletions
diff --git a/0000_README b/0000_README index 75caafbb..32d72e53 100644 --- a/0000_README +++ b/0000_README @@ -611,6 +611,10 @@ Patch: 1141_linux-5.10.142.patch From: http://www.kernel.org Desc: Linux 5.10.142 +Patch: 1142_linux-5.10.143.patch +From: http://www.kernel.org +Desc: Linux 5.10.143 + 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/1142_linux-5.10.143.patch b/1142_linux-5.10.143.patch new file mode 100644 index 00000000..28c57e76 --- /dev/null +++ b/1142_linux-5.10.143.patch @@ -0,0 +1,2685 @@ +diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst +index f01eed0ee23ad..22a07c208fee0 100644 +--- a/Documentation/arm64/silicon-errata.rst ++++ b/Documentation/arm64/silicon-errata.rst +@@ -92,6 +92,8 @@ stable kernels. + +----------------+-----------------+-----------------+-----------------------------+ + | ARM | Cortex-A77 | #1508412 | ARM64_ERRATUM_1508412 | + +----------------+-----------------+-----------------+-----------------------------+ ++| ARM | Cortex-A510 | #2457168 | ARM64_ERRATUM_2457168 | +++----------------+-----------------+-----------------+-----------------------------+ + | ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 | + +----------------+-----------------+-----------------+-----------------------------+ + | ARM | Neoverse-N1 | #1349291 | N/A | +diff --git a/Makefile b/Makefile +index 655fe095459b3..60b2018c26dba 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 5 + PATCHLEVEL = 10 +-SUBLEVEL = 142 ++SUBLEVEL = 143 + EXTRAVERSION = + NAME = Dare mighty things + +diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi +index a06700e53e4c3..9c8b3eb49ea30 100644 +--- a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi ++++ b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi +@@ -62,8 +62,8 @@ + regulators { + vdd_3v3: VDD_IO { + regulator-name = "VDD_IO"; +- regulator-min-microvolt = <1200000>; +- regulator-max-microvolt = <3700000>; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; + regulator-initial-mode = <2>; + regulator-allowed-modes = <2>, <4>; + regulator-always-on; +@@ -81,8 +81,8 @@ + + vddio_ddr: VDD_DDR { + regulator-name = "VDD_DDR"; +- regulator-min-microvolt = <600000>; +- regulator-max-microvolt = <1850000>; ++ regulator-min-microvolt = <1200000>; ++ regulator-max-microvolt = <1200000>; + regulator-initial-mode = <2>; + regulator-allowed-modes = <2>, <4>; + regulator-always-on; +@@ -104,8 +104,8 @@ + + vdd_core: VDD_CORE { + regulator-name = "VDD_CORE"; +- regulator-min-microvolt = <600000>; +- regulator-max-microvolt = <1850000>; ++ regulator-min-microvolt = <1250000>; ++ regulator-max-microvolt = <1250000>; + regulator-initial-mode = <2>; + regulator-allowed-modes = <2>, <4>; + regulator-always-on; +@@ -146,8 +146,8 @@ + + LDO1 { + regulator-name = "LDO1"; +- regulator-min-microvolt = <1200000>; +- regulator-max-microvolt = <3700000>; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; + regulator-always-on; + + regulator-state-standby { +@@ -161,9 +161,8 @@ + + LDO2 { + regulator-name = "LDO2"; +- regulator-min-microvolt = <1200000>; +- regulator-max-microvolt = <3700000>; +- regulator-always-on; ++ regulator-min-microvolt = <1800000>; ++ regulator-max-microvolt = <3300000>; + + regulator-state-standby { + regulator-on-in-suspend; +diff --git a/arch/arm/boot/dts/at91-sama5d2_icp.dts b/arch/arm/boot/dts/at91-sama5d2_icp.dts +index 634411d13b4aa..00b9e88ff5451 100644 +--- a/arch/arm/boot/dts/at91-sama5d2_icp.dts ++++ b/arch/arm/boot/dts/at91-sama5d2_icp.dts +@@ -195,8 +195,8 @@ + regulators { + vdd_io_reg: VDD_IO { + regulator-name = "VDD_IO"; +- regulator-min-microvolt = <1200000>; +- regulator-max-microvolt = <3700000>; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; + regulator-initial-mode = <2>; + regulator-allowed-modes = <2>, <4>; + regulator-always-on; +@@ -214,8 +214,8 @@ + + VDD_DDR { + regulator-name = "VDD_DDR"; +- regulator-min-microvolt = <600000>; +- regulator-max-microvolt = <1850000>; ++ regulator-min-microvolt = <1350000>; ++ regulator-max-microvolt = <1350000>; + regulator-initial-mode = <2>; + regulator-allowed-modes = <2>, <4>; + regulator-always-on; +@@ -233,8 +233,8 @@ + + VDD_CORE { + regulator-name = "VDD_CORE"; +- regulator-min-microvolt = <600000>; +- regulator-max-microvolt = <1850000>; ++ regulator-min-microvolt = <1250000>; ++ regulator-max-microvolt = <1250000>; + regulator-initial-mode = <2>; + regulator-allowed-modes = <2>, <4>; + regulator-always-on; +@@ -256,7 +256,6 @@ + regulator-max-microvolt = <1850000>; + regulator-initial-mode = <2>; + regulator-allowed-modes = <2>, <4>; +- regulator-always-on; + + regulator-state-standby { + regulator-on-in-suspend; +@@ -271,8 +270,8 @@ + + LDO1 { + regulator-name = "LDO1"; +- regulator-min-microvolt = <1200000>; +- regulator-max-microvolt = <3700000>; ++ regulator-min-microvolt = <2500000>; ++ regulator-max-microvolt = <2500000>; + regulator-always-on; + + regulator-state-standby { +@@ -286,8 +285,8 @@ + + LDO2 { + regulator-name = "LDO2"; +- regulator-min-microvolt = <1200000>; +- regulator-max-microvolt = <3700000>; ++ regulator-min-microvolt = <3300000>; ++ regulator-max-microvolt = <3300000>; + regulator-always-on; + + regulator-state-standby { +diff --git a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +index 92f9977d14822..e9a4115124eb0 100644 +--- a/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi ++++ b/arch/arm/boot/dts/imx6qdl-kontron-samx6i.dtsi +@@ -51,16 +51,6 @@ + vin-supply = <®_3p3v_s5>; + }; + +- reg_3p3v_s0: regulator-3p3v-s0 { +- compatible = "regulator-fixed"; +- regulator-name = "V_3V3_S0"; +- regulator-min-microvolt = <3300000>; +- regulator-max-microvolt = <3300000>; +- regulator-always-on; +- regulator-boot-on; +- vin-supply = <®_3p3v_s5>; +- }; +- + reg_3p3v_s5: regulator-3p3v-s5 { + compatible = "regulator-fixed"; + regulator-name = "V_3V3_S5"; +diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig +index 7c7906e9dafda..1116a8d092c01 100644 +--- a/arch/arm64/Kconfig ++++ b/arch/arm64/Kconfig +@@ -657,6 +657,24 @@ config ARM64_ERRATUM_1508412 + + If unsure, say Y. + ++config ARM64_ERRATUM_2457168 ++ bool "Cortex-A510: 2457168: workaround for AMEVCNTR01 incrementing incorrectly" ++ depends on ARM64_AMU_EXTN ++ default y ++ help ++ This option adds the workaround for ARM Cortex-A510 erratum 2457168. ++ ++ The AMU counter AMEVCNTR01 (constant counter) should increment at the same rate ++ as the system counter. On affected Cortex-A510 cores AMEVCNTR01 increments ++ incorrectly giving a significantly higher output value. ++ ++ Work around this problem by keeping the reference values of affected counters ++ to 0 thus signaling an error case. This effect is the same to firmware disabling ++ affected counters, in which case 0 will be returned when reading the disabled ++ counters. ++ ++ If unsure, say Y. ++ + config CAVIUM_ERRATUM_22375 + bool "Cavium erratum 22375, 24313" + default y +diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h +index f42fd0a2e81c8..53030d3c03a2c 100644 +--- a/arch/arm64/include/asm/cpucaps.h ++++ b/arch/arm64/include/asm/cpucaps.h +@@ -67,7 +67,8 @@ + #define ARM64_MTE 57 + #define ARM64_WORKAROUND_1508412 58 + #define ARM64_SPECTRE_BHB 59 ++#define ARM64_WORKAROUND_2457168 60 + +-#define ARM64_NCAPS 60 ++#define ARM64_NCAPS 61 + + #endif /* __ASM_CPUCAPS_H */ +diff --git a/arch/arm64/kernel/cacheinfo.c b/arch/arm64/kernel/cacheinfo.c +index 587543c6c51cb..97c42be71338a 100644 +--- a/arch/arm64/kernel/cacheinfo.c ++++ b/arch/arm64/kernel/cacheinfo.c +@@ -45,7 +45,8 @@ static void ci_leaf_init(struct cacheinfo *this_leaf, + + int init_cache_level(unsigned int cpu) + { +- unsigned int ctype, level, leaves, fw_level; ++ unsigned int ctype, level, leaves; ++ int fw_level; + struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu); + + for (level = 1, leaves = 0; level <= MAX_CACHE_LEVEL; level++) { +@@ -63,6 +64,9 @@ int init_cache_level(unsigned int cpu) + else + fw_level = acpi_find_last_cache_level(cpu); + ++ if (fw_level < 0) ++ return fw_level; ++ + if (level < fw_level) { + /* + * some external caches not specified in CLIDR_EL1 +diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c +index 78263dadd00da..aaacca6fd52f6 100644 +--- a/arch/arm64/kernel/cpu_errata.c ++++ b/arch/arm64/kernel/cpu_errata.c +@@ -545,6 +545,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = { + 0, 0, + 1, 0), + }, ++#endif ++#ifdef CONFIG_ARM64_ERRATUM_2457168 ++ { ++ .desc = "ARM erratum 2457168", ++ .capability = ARM64_WORKAROUND_2457168, ++ .type = ARM64_CPUCAP_WEAK_LOCAL_CPU_FEATURE, ++ /* Cortex-A510 r0p0-r1p1 */ ++ CAP_MIDR_RANGE(MIDR_CORTEX_A510, 0, 0, 1, 1) ++ }, + #endif + { + } +diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c +index 4087e2d1f39e2..e72c90b826568 100644 +--- a/arch/arm64/kernel/cpufeature.c ++++ b/arch/arm64/kernel/cpufeature.c +@@ -1559,7 +1559,10 @@ static void cpu_amu_enable(struct arm64_cpu_capabilities const *cap) + pr_info("detected CPU%d: Activity Monitors Unit (AMU)\n", + smp_processor_id()); + cpumask_set_cpu(smp_processor_id(), &amu_cpus); +- init_cpu_freq_invariance_counters(); ++ ++ /* 0 reference values signal broken/disabled counters */ ++ if (!this_cpu_has_cap(ARM64_WORKAROUND_2457168)) ++ init_cpu_freq_invariance_counters(); + } + } + +diff --git a/arch/mips/loongson32/ls1c/board.c b/arch/mips/loongson32/ls1c/board.c +index e9de6da0ce51f..9dcfe9de55b0a 100644 +--- a/arch/mips/loongson32/ls1c/board.c ++++ b/arch/mips/loongson32/ls1c/board.c +@@ -15,7 +15,6 @@ static struct platform_device *ls1c_platform_devices[] __initdata = { + static int __init ls1c_platform_init(void) + { + ls1x_serial_set_uartclk(&ls1x_uart_pdev); +- ls1x_rtc_set_extclk(&ls1x_rtc_pdev); + + return platform_add_devices(ls1c_platform_devices, + ARRAY_SIZE(ls1c_platform_devices)); +diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S +index aa93d775c34db..598d0938449da 100644 +--- a/arch/parisc/kernel/head.S ++++ b/arch/parisc/kernel/head.S +@@ -22,7 +22,7 @@ + #include <linux/init.h> + #include <linux/pgtable.h> + +- .level PA_ASM_LEVEL ++ .level 1.1 + + __INITDATA + ENTRY(boot_args) +@@ -69,6 +69,47 @@ $bss_loop: + stw,ma %arg2,4(%r1) + stw,ma %arg3,4(%r1) + ++#if !defined(CONFIG_64BIT) && defined(CONFIG_PA20) ++ /* This 32-bit kernel was compiled for PA2.0 CPUs. Check current CPU ++ * and halt kernel if we detect a PA1.x CPU. */ ++ ldi 32,%r10 ++ mtctl %r10,%cr11 ++ .level 2.0 ++ mfctl,w %cr11,%r10 ++ .level 1.1 ++ comib,<>,n 0,%r10,$cpu_ok ++ ++ load32 PA(msg1),%arg0 ++ ldi msg1_end-msg1,%arg1 ++$iodc_panic: ++ copy %arg0, %r10 ++ copy %arg1, %r11 ++ load32 PA(init_stack),%sp ++#define MEM_CONS 0x3A0 ++ ldw MEM_CONS+32(%r0),%arg0 // HPA ++ ldi ENTRY_IO_COUT,%arg1 ++ ldw MEM_CONS+36(%r0),%arg2 // SPA ++ ldw MEM_CONS+8(%r0),%arg3 // layers ++ load32 PA(__bss_start),%r1 ++ stw %r1,-52(%sp) // arg4 ++ stw %r0,-56(%sp) // arg5 ++ stw %r10,-60(%sp) // arg6 = ptr to text ++ stw %r11,-64(%sp) // arg7 = len ++ stw %r0,-68(%sp) // arg8 ++ load32 PA(.iodc_panic_ret), %rp ++ ldw MEM_CONS+40(%r0),%r1 // ENTRY_IODC ++ bv,n (%r1) ++.iodc_panic_ret: ++ b . /* wait endless with ... */ ++ or %r10,%r10,%r10 /* qemu idle sleep */ ++msg1: .ascii "Can't boot kernel which was built for PA8x00 CPUs on this machine.\r\n" ++msg1_end: ++ ++$cpu_ok: ++#endif ++ ++ .level PA_ASM_LEVEL ++ + /* Initialize startup VM. Just map first 16/32 MB of memory */ + load32 PA(swapper_pg_dir),%r4 + mtctl %r4,%cr24 /* Initialize kernel root pointer */ +diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c +index 9d5460f6e0ff1..6f33d62331b1f 100644 +--- a/drivers/block/xen-blkfront.c ++++ b/drivers/block/xen-blkfront.c +@@ -1852,6 +1852,12 @@ static void free_info(struct blkfront_info *info) + kfree(info); + } + ++/* Enable the persistent grants feature. */ ++static bool feature_persistent = true; ++module_param(feature_persistent, bool, 0644); ++MODULE_PARM_DESC(feature_persistent, ++ "Enables the persistent grants feature"); ++ + /* Common code used when first setting up, and when resuming. */ + static int talk_to_blkback(struct xenbus_device *dev, + struct blkfront_info *info) +@@ -1943,6 +1949,7 @@ again: + message = "writing protocol"; + goto abort_transaction; + } ++ info->feature_persistent_parm = feature_persistent; + err = xenbus_printf(xbt, dev->nodename, "feature-persistent", "%u", + info->feature_persistent_parm); + if (err) +@@ -2019,12 +2026,6 @@ static int negotiate_mq(struct blkfront_info *info) + return 0; + } + +-/* Enable the persistent grants feature. */ +-static bool feature_persistent = true; +-module_param(feature_persistent, bool, 0644); +-MODULE_PARM_DESC(feature_persistent, +- "Enables the persistent grants feature"); +- + /** + * Entry point to this code when a new device is created. Allocate the basic + * structures and the ring buffer for communication with the backend, and +@@ -2394,7 +2395,6 @@ static void blkfront_gather_backend_features(struct blkfront_info *info) + if (xenbus_read_unsigned(info->xbdev->otherend, "feature-discard", 0)) + blkfront_setup_discard(info); + +- info->feature_persistent_parm = feature_persistent; + if (info->feature_persistent_parm) + info->feature_persistent = + !!xenbus_read_unsigned(info->xbdev->otherend, +diff --git a/drivers/firmware/efi/capsule-loader.c b/drivers/firmware/efi/capsule-loader.c +index 4dde8edd53b62..3e8d4b51a8140 100644 +--- a/drivers/firmware/efi/capsule-loader.c ++++ b/drivers/firmware/efi/capsule-loader.c +@@ -242,29 +242,6 @@ failed: + return ret; + } + +-/** +- * efi_capsule_flush - called by file close or file flush +- * @file: file pointer +- * @id: not used +- * +- * If a capsule is being partially uploaded then calling this function +- * will be treated as upload termination and will free those completed +- * buffer pages and -ECANCELED will be returned. +- **/ +-static int efi_capsule_flush(struct file *file, fl_owner_t id) +-{ +- int ret = 0; +- struct capsule_info *cap_info = file->private_data; +- +- if (cap_info->index > 0) { +- pr_err("capsule upload not complete\n"); +- efi_free_all_buff_pages(cap_info); +- ret = -ECANCELED; +- } +- +- return ret; +-} +- + /** + * efi_capsule_release - called by file close + * @inode: not used +@@ -277,6 +254,13 @@ static int efi_capsule_release(struct inode *inode, struct file *file) + { + struct capsule_info *cap_info = file->private_data; + ++ if (cap_info->index > 0 && ++ (cap_info->header.headersize == 0 || ++ cap_info->count < cap_info->total_size)) { ++ pr_err("capsule upload not complete\n"); ++ efi_free_all_buff_pages(cap_info); ++ } ++ + kfree(cap_info->pages); + kfree(cap_info->phys); + kfree(file->private_data); +@@ -324,7 +308,6 @@ static const struct file_operations efi_capsule_fops = { + .owner = THIS_MODULE, + .open = efi_capsule_open, + .write = efi_capsule_write, +- .flush = efi_capsule_flush, + .release = efi_capsule_release, + .llseek = no_llseek, + }; +diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile +index a2ae9c3b95793..433e11dab4a87 100644 +--- a/drivers/firmware/efi/libstub/Makefile ++++ b/drivers/firmware/efi/libstub/Makefile +@@ -37,6 +37,13 @@ KBUILD_CFLAGS := $(cflags-y) -Os -DDISABLE_BRANCH_PROFILING \ + $(call cc-option,-fno-addrsig) \ + -D__DISABLE_EXPORTS + ++# ++# struct randomization only makes sense for Linux internal types, which the EFI ++# stub code never touches, so let's turn off struct randomization for the stub ++# altogether ++# ++KBUILD_CFLAGS := $(filter-out $(RANDSTRUCT_CFLAGS), $(KBUILD_CFLAGS)) ++ + # remove SCS flags from all objects in this directory + KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +index 2f47f81a74a57..ae84d3b582aa5 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +@@ -2146,6 +2146,9 @@ static int psp_hw_fini(void *handle) + psp_rap_terminate(psp); + psp_dtm_terminate(psp); + psp_hdcp_terminate(psp); ++ ++ if (adev->gmc.xgmi.num_physical_nodes > 1) ++ psp_xgmi_terminate(psp); + } + + psp_asd_unload(psp); +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +index 042c85fc528bb..def0b7092438f 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +@@ -622,7 +622,7 @@ int amdgpu_xgmi_remove_device(struct amdgpu_device *adev) + amdgpu_put_xgmi_hive(hive); + } + +- return psp_xgmi_terminate(&adev->psp); ++ return 0; + } + + int amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev) +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +index 405bb3efa2a96..38f4c7474487b 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +@@ -2570,7 +2570,8 @@ static void gfx_v9_0_constants_init(struct amdgpu_device *adev) + + gfx_v9_0_tiling_mode_table_init(adev); + +- gfx_v9_0_setup_rb(adev); ++ if (adev->gfx.num_gfx_rings) ++ gfx_v9_0_setup_rb(adev); + gfx_v9_0_get_cu_info(adev, &adev->gfx.cu_info); + adev->gfx.config.db_debug2 = RREG32_SOC15(GC, 0, mmDB_DEBUG2); + +diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +index f84701c562bf2..97441f373531f 100644 +--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +@@ -178,6 +178,7 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev) + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); + WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp); + ++ tmp = mmVM_L2_CNTL3_DEFAULT; + if (adev->gmc.translate_further) { + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, +diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c +index 5979af230eda0..8b30e8d83fbcf 100644 +--- a/drivers/gpu/drm/drm_gem.c ++++ b/drivers/gpu/drm/drm_gem.c +@@ -166,21 +166,6 @@ void drm_gem_private_object_init(struct drm_device *dev, + } + EXPORT_SYMBOL(drm_gem_private_object_init); + +-static void +-drm_gem_remove_prime_handles(struct drm_gem_object *obj, struct drm_file *filp) +-{ +- /* +- * Note: obj->dma_buf can't disappear as long as we still hold a +- * handle reference in obj->handle_count. +- */ +- mutex_lock(&filp->prime.lock); +- if (obj->dma_buf) { +- drm_prime_remove_buf_handle_locked(&filp->prime, +- obj->dma_buf); +- } +- mutex_unlock(&filp->prime.lock); +-} +- + /** + * drm_gem_object_handle_free - release resources bound to userspace handles + * @obj: GEM object to clean up. +@@ -254,7 +239,7 @@ drm_gem_object_release_handle(int id, void *ptr, void *data) + else if (dev->driver->gem_close_object) + dev->driver->gem_close_object(obj, file_priv); + +- drm_gem_remove_prime_handles(obj, file_priv); ++ drm_prime_remove_buf_handle(&file_priv->prime, id); + drm_vma_node_revoke(&obj->vma_node, file_priv); + + drm_gem_object_handle_put_unlocked(obj); +diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h +index b65865c630b0a..f80e0f28087d1 100644 +--- a/drivers/gpu/drm/drm_internal.h ++++ b/drivers/gpu/drm/drm_internal.h +@@ -86,8 +86,8 @@ int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data, + + void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv); + void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv); +-void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, +- struct dma_buf *dma_buf); ++void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, ++ uint32_t handle); + + /* drm_drv.c */ + struct drm_minor *drm_minor_acquire(unsigned int minor_id); +diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c +index 9f955f2010c25..825499ea3ff59 100644 +--- a/drivers/gpu/drm/drm_prime.c ++++ b/drivers/gpu/drm/drm_prime.c +@@ -187,29 +187,33 @@ static int drm_prime_lookup_buf_handle(struct drm_prime_file_private *prime_fpri + return -ENOENT; + } + +-void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv, +- struct dma_buf *dma_buf) ++void drm_prime_remove_buf_handle(struct drm_prime_file_private *prime_fpriv, ++ uint32_t handle) + { + struct rb_node *rb; + +- rb = prime_fpriv->dmabufs.rb_node; ++ mutex_lock(&prime_fpriv->lock); ++ ++ rb = prime_fpriv->handles.rb_node; + while (rb) { + struct drm_prime_member *member; + +- member = rb_entry(rb, struct drm_prime_member, dmabuf_rb); +- if (member->dma_buf == dma_buf) { ++ member = rb_entry(rb, struct drm_prime_member, handle_rb); ++ if (member->handle == handle) { + rb_erase(&member->handle_rb, &prime_fpriv->handles); + rb_erase(&member->dmabuf_rb, &prime_fpriv->dmabufs); + +- dma_buf_put(dma_buf); ++ dma_buf_put(member->dma_buf); + kfree(member); +- return; +- } else if (member->dma_buf < dma_buf) { ++ break; ++ } else if (member->handle < handle) { + rb = rb->rb_right; + } else { + rb = rb->rb_left; + } + } ++ ++ mutex_unlock(&prime_fpriv->lock); + } + + void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv) +diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c +index f2c8b56be9ead..261a5e97a0b4a 100644 +--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c ++++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c +@@ -163,6 +163,28 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) + intel_dp_compute_rate(intel_dp, intel_dp->link_rate, + &link_bw, &rate_select); + ++ /* ++ * WaEdpLinkRateDataReload ++ * ++ * Parade PS8461E MUX (used on varius TGL+ laptops) needs ++ * to snoop the link rates reported by the sink when we ++ * use LINK_RATE_SET in order to operate in jitter cleaning ++ * mode (as opposed to redriver mode). Unfortunately it ++ * loses track of the snooped link rates when powered down, ++ * so we need to make it re-snoop often. Without this high ++ * link rates are not stable. ++ */ ++ if (!link_bw) { ++ struct intel_connector *connector = intel_dp->attached_connector; ++ __le16 sink_rates[DP_MAX_SUPPORTED_RATES]; ++ ++ drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] Reloading eDP link rates\n", ++ connector->base.base.id, connector->base.name); ++ ++ drm_dp_dpcd_read(&intel_dp->aux, DP_SUPPORTED_LINK_RATES, ++ sink_rates, sizeof(sink_rates)); ++ } ++ + if (link_bw) + drm_dbg_kms(&i915->drm, + "Using LINK_BW_SET value %02x\n", link_bw); +diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c +index 266e3cbbd09bd..8287410f471fb 100644 +--- a/drivers/gpu/drm/radeon/radeon_device.c ++++ b/drivers/gpu/drm/radeon/radeon_device.c +@@ -1623,6 +1623,9 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, + if (r) { + /* delay GPU reset to resume */ + radeon_fence_driver_force_completion(rdev, i); ++ } else { ++ /* finish executing delayed work */ ++ flush_delayed_work(&rdev->fence_drv[i].lockup_work); + } + } + +diff --git a/drivers/hwmon/mr75203.c b/drivers/hwmon/mr75203.c +index 046523d47c29b..41e3d3b54baff 100644 +--- a/drivers/hwmon/mr75203.c ++++ b/drivers/hwmon/mr75203.c +@@ -68,8 +68,9 @@ + + /* VM Individual Macro Register */ + #define VM_COM_REG_SIZE 0x200 +-#define VM_SDIF_DONE(n) (VM_COM_REG_SIZE + 0x34 + 0x200 * (n)) +-#define VM_SDIF_DATA(n) (VM_COM_REG_SIZE + 0x40 + 0x200 * (n)) ++#define VM_SDIF_DONE(vm) (VM_COM_REG_SIZE + 0x34 + 0x200 * (vm)) ++#define VM_SDIF_DATA(vm, ch) \ ++ (VM_COM_REG_SIZE + 0x40 + 0x200 * (vm) + 0x4 * (ch)) + + /* SDA Slave Register */ + #define IP_CTRL 0x00 +@@ -115,6 +116,7 @@ struct pvt_device { + u32 t_num; + u32 p_num; + u32 v_num; ++ u32 c_num; + u32 ip_freq; + u8 *vm_idx; + }; +@@ -178,14 +180,15 @@ static int pvt_read_in(struct device *dev, u32 attr, int channel, long *val) + { + struct pvt_device *pvt = dev_get_drvdata(dev); + struct regmap *v_map = pvt->v_map; ++ u8 vm_idx, ch_idx; + u32 n, stat; +- u8 vm_idx; + int ret; + +- if (channel >= pvt->v_num) ++ if (channel >= pvt->v_num * pvt->c_num) + return -EINVAL; + +- vm_idx = pvt->vm_idx[channel]; ++ vm_idx = pvt->vm_idx[channel / pvt->c_num]; ++ ch_idx = channel % pvt->c_num; + + switch (attr) { + case hwmon_in_input: +@@ -196,13 +199,23 @@ static int pvt_read_in(struct device *dev, u32 attr, int channel, long *val) + if (ret) + return ret; + +- ret = regmap_read(v_map, VM_SDIF_DATA(vm_idx), &n); ++ ret = regmap_read(v_map, VM_SDIF_DATA(vm_idx, ch_idx), &n); + if(ret < 0) + return ret; + + n &= SAMPLE_DATA_MSK; +- /* Convert the N bitstream count into voltage */ +- *val = (PVT_N_CONST * n - PVT_R_CONST) >> PVT_CONV_BITS; ++ /* ++ * Convert the N bitstream count into voltage. ++ * To support negative voltage calculation for 64bit machines ++ * n must be cast to long, since n and *val differ both in ++ * signedness and in size. ++ * Division is used instead of right shift, because for signed ++ * numbers, the sign bit is used to fill the vacated bit ++ * positions, and if the number is negative, 1 is used. ++ * BIT(x) may not be used instead of (1 << x) because it's ++ * unsigned. ++ */ ++ *val = (PVT_N_CONST * (long)n - PVT_R_CONST) / (1 << PVT_CONV_BITS); + + return 0; + default: +@@ -385,6 +398,19 @@ static int pvt_init(struct pvt_device *pvt) + if (ret) + return ret; + ++ val = (BIT(pvt->c_num) - 1) | VM_CH_INIT | ++ IP_POLL << SDIF_ADDR_SFT | SDIF_WRN_W | SDIF_PROG; ++ ret = regmap_write(v_map, SDIF_W, val); ++ if (ret < 0) ++ return ret; ++ ++ ret = regmap_read_poll_timeout(v_map, SDIF_STAT, ++ val, !(val & SDIF_BUSY), ++ PVT_POLL_DELAY_US, ++ PVT_POLL_TIMEOUT_US); ++ if (ret) ++ return ret; ++ + val = CFG1_VOL_MEAS_MODE | CFG1_PARALLEL_OUT | + CFG1_14_BIT | IP_CFG << SDIF_ADDR_SFT | + SDIF_WRN_W | SDIF_PROG; +@@ -499,8 +525,8 @@ static int pvt_reset_control_deassert(struct device *dev, struct pvt_device *pvt + + static int mr75203_probe(struct platform_device *pdev) + { ++ u32 ts_num, vm_num, pd_num, ch_num, val, index, i; + const struct hwmon_channel_info **pvt_info; +- u32 ts_num, vm_num, pd_num, val, index, i; + struct device *dev = &pdev->dev; + u32 *temp_config, *in_config; + struct device *hwmon_dev; +@@ -541,9 +567,11 @@ static int mr75203_probe(struct platform_device *pdev) + ts_num = (val & TS_NUM_MSK) >> TS_NUM_SFT; + pd_num = (val & PD_NUM_MSK) >> PD_NUM_SFT; + vm_num = (val & VM_NUM_MSK) >> VM_NUM_SFT; ++ ch_num = (val & CH_NUM_MSK) >> CH_NUM_SFT; + pvt->t_num = ts_num; + pvt->p_num = pd_num; + pvt->v_num = vm_num; ++ pvt->c_num = ch_num; + val = 0; + if (ts_num) + val++; +@@ -580,7 +608,7 @@ static int mr75203_probe(struct platform_device *pdev) + } + + if (vm_num) { +- u32 num = vm_num; ++ u32 total_ch; + + ret = pvt_get_regmap(pdev, "vm", pvt); + if (ret) +@@ -594,30 +622,30 @@ static int mr75203_probe(struct platform_device *pdev) + ret = device_property_read_u8_array(dev, "intel,vm-map", + pvt->vm_idx, vm_num); + if (ret) { +- num = 0; ++ /* ++ * Incase intel,vm-map property is not defined, we ++ * assume incremental channel numbers. ++ */ ++ for (i = 0; i < vm_num; i++) ++ pvt->vm_idx[i] = i; + } else { + for (i = 0; i < vm_num; i++) + if (pvt->vm_idx[i] >= vm_num || + pvt->vm_idx[i] == 0xff) { +- num = i; ++ pvt->v_num = i; ++ vm_num = i; + break; + } + } + +- /* +- * Incase intel,vm-map property is not defined, we assume +- * incremental channel numbers. +- */ +- for (i = num; i < vm_num; i++) +- pvt->vm_idx[i] = i; +- +- in_config = devm_kcalloc(dev, num + 1, ++ total_ch = ch_num * vm_num; ++ in_config = devm_kcalloc(dev, total_ch + 1, + sizeof(*in_config), GFP_KERNEL); + if (!in_config) + return -ENOMEM; + +- memset32(in_config, HWMON_I_INPUT, num); +- in_config[num] = 0; ++ memset32(in_config, HWMON_I_INPUT, total_ch); ++ in_config[total_ch] = 0; + pvt_in.config = in_config; + + pvt_info[index++] = &pvt_in; +diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c +index 3c40aa50cd60c..b5fa19a033c0a 100644 +--- a/drivers/infiniband/core/cma.c ++++ b/drivers/infiniband/core/cma.c +@@ -1722,8 +1722,8 @@ cma_ib_id_from_event(struct ib_cm_id *cm_id, + } + + if (!validate_net_dev(*net_dev, +- (struct sockaddr *)&req->listen_addr_storage, +- (struct sockaddr *)&req->src_addr_storage)) { ++ (struct sockaddr *)&req->src_addr_storage, ++ (struct sockaddr *)&req->listen_addr_storage)) { + id_priv = ERR_PTR(-EHOSTUNREACH); + goto err; + } +diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c +index 323f6cf006824..af4af4789ef27 100644 +--- a/drivers/infiniband/core/umem_odp.c ++++ b/drivers/infiniband/core/umem_odp.c +@@ -466,7 +466,7 @@ retry: + mutex_unlock(&umem_odp->umem_mutex); + + out_put_mm: +- mmput(owning_mm); ++ mmput_async(owning_mm); + out_put_task: + if (owning_process) + put_task_struct(owning_process); +diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +index be7f2fe1e8839..8a92faeb3d237 100644 +--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h ++++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +@@ -92,7 +92,7 @@ + + #define HNS_ROCE_V2_QPC_TIMER_ENTRY_SZ PAGE_SIZE + #define HNS_ROCE_V2_CQC_TIMER_ENTRY_SZ PAGE_SIZE +-#define HNS_ROCE_V2_PAGE_SIZE_SUPPORTED 0xFFFFF000 ++#define HNS_ROCE_V2_PAGE_SIZE_SUPPORTED 0xFFFF000 + #define HNS_ROCE_V2_MAX_INNER_MTPT_NUM 2 + #define HNS_ROCE_INVALID_LKEY 0x100 + #define HNS_ROCE_CMQ_TX_TIMEOUT 30000 +diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c +index 291e06d631505..6fe98af7741b5 100644 +--- a/drivers/infiniband/hw/hns/hns_roce_qp.c ++++ b/drivers/infiniband/hw/hns/hns_roce_qp.c +@@ -386,11 +386,8 @@ static int set_rq_size(struct hns_roce_dev *hr_dev, struct ib_qp_cap *cap, + + hr_qp->rq.max_gs = roundup_pow_of_two(max(1U, cap->max_recv_sge)); + +- if (hr_dev->caps.max_rq_sg <= HNS_ROCE_SGE_IN_WQE) +- hr_qp->rq.wqe_shift = ilog2(hr_dev->caps.max_rq_desc_sz); +- else +- hr_qp->rq.wqe_shift = ilog2(hr_dev->caps.max_rq_desc_sz * +- hr_qp->rq.max_gs); ++ hr_qp->rq.wqe_shift = ilog2(hr_dev->caps.max_rq_desc_sz * ++ hr_qp->rq.max_gs); + + hr_qp->rq.wqe_cnt = cnt; + if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) +diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c +index 9bb9bb058932f..cca7a4a6bd82d 100644 +--- a/drivers/infiniband/hw/mlx5/mad.c ++++ b/drivers/infiniband/hw/mlx5/mad.c +@@ -166,6 +166,12 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num, + mdev = dev->mdev; + mdev_port_num = 1; + } ++ if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1) { ++ /* set local port to one for Function-Per-Port HCA. */ ++ mdev = dev->mdev; ++ mdev_port_num = 1; ++ } ++ + /* Declaring support of extended counters */ + if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) { + struct ib_class_port_info cpi = {}; +diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c +index 7989c4043db4e..3c3ae5ef29428 100644 +--- a/drivers/infiniband/sw/siw/siw_qp_tx.c ++++ b/drivers/infiniband/sw/siw/siw_qp_tx.c +@@ -29,7 +29,7 @@ static struct page *siw_get_pblpage(struct siw_mem *mem, u64 addr, int *idx) + dma_addr_t paddr = siw_pbl_get_buffer(pbl, offset, NULL, idx); + + if (paddr) +- return virt_to_page(paddr); ++ return virt_to_page((void *)paddr); + + return NULL; + } +@@ -523,13 +523,23 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s) + kunmap(p); + } + } else { +- u64 va = sge->laddr + sge_off; ++ /* ++ * Cast to an uintptr_t to preserve all 64 bits ++ * in sge->laddr. ++ */ ++ uintptr_t va = (uintptr_t)(sge->laddr + sge_off); + +- page_array[seg] = virt_to_page(va & PAGE_MASK); ++ /* ++ * virt_to_page() takes a (void *) pointer ++ * so cast to a (void *) meaning it will be 64 ++ * bits on a 64 bit platform and 32 bits on a ++ * 32 bit platform. ++ */ ++ page_array[seg] = virt_to_page((void *)(va & PAGE_MASK)); + if (do_crc) + crypto_shash_update( + c_tx->mpa_crc_hd, +- (void *)(uintptr_t)va, ++ (void *)va, + plen); + } + +diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c +index 200cf5da5e0ad..f216a86d9c817 100644 +--- a/drivers/iommu/amd/iommu.c ++++ b/drivers/iommu/amd/iommu.c +@@ -923,7 +923,8 @@ static void build_completion_wait(struct iommu_cmd *cmd, + memset(cmd, 0, sizeof(*cmd)); + cmd->data[0] = lower_32_bits(paddr) | CMD_COMPL_WAIT_STORE_MASK; + cmd->data[1] = upper_32_bits(paddr); +- cmd->data[2] = data; ++ cmd->data[2] = lower_32_bits(data); ++ cmd->data[3] = upper_32_bits(data); + CMD_SET_TYPE(cmd, CMD_COMPL_WAIT); + } + +diff --git a/drivers/net/ethernet/intel/i40e/i40e_client.c b/drivers/net/ethernet/intel/i40e/i40e_client.c +index 32f3facbed1a5..b3cb5d1033260 100644 +--- a/drivers/net/ethernet/intel/i40e/i40e_client.c ++++ b/drivers/net/ethernet/intel/i40e/i40e_client.c +@@ -178,6 +178,10 @@ void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset) + "Cannot locate client instance close routine\n"); + return; + } ++ if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) { ++ dev_dbg(&pf->pdev->dev, "Client is not open, abort close\n"); ++ return; ++ } + cdev->client->ops->close(&cdev->lan_info, cdev->client, reset); + clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state); + i40e_client_release_qvlist(&cdev->lan_info); +@@ -374,7 +378,6 @@ void i40e_client_subtask(struct i40e_pf *pf) + /* Remove failed client instance */ + clear_bit(__I40E_CLIENT_INSTANCE_OPENED, + &cdev->state); +- i40e_client_del_instance(pf); + return; + } + } +diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c +index 810f2bdb91645..f193709c8efc6 100644 +--- a/drivers/net/ethernet/intel/ice/ice_main.c ++++ b/drivers/net/ethernet/intel/ice/ice_main.c +@@ -3404,7 +3404,7 @@ static int ice_init_pf(struct ice_pf *pf) + + pf->avail_rxqs = bitmap_zalloc(pf->max_pf_rxqs, GFP_KERNEL); + if (!pf->avail_rxqs) { +- devm_kfree(ice_pf_to_dev(pf), pf->avail_txqs); ++ bitmap_free(pf->avail_txqs); + pf->avail_txqs = NULL; + return -ENOMEM; + } +diff --git a/drivers/net/wireless/intel/iwlegacy/4965-rs.c b/drivers/net/wireless/intel/iwlegacy/4965-rs.c +index 532e3b91777d9..150805aec4071 100644 +--- a/drivers/net/wireless/intel/iwlegacy/4965-rs.c ++++ b/drivers/net/wireless/intel/iwlegacy/4965-rs.c +@@ -2403,7 +2403,7 @@ il4965_rs_fill_link_cmd(struct il_priv *il, struct il_lq_sta *lq_sta, + /* Repeat initial/next rate. + * For legacy IL_NUMBER_TRY == 1, this loop will not execute. + * For HT IL_HT_NUMBER_TRY == 3, this executes twice. */ +- while (repeat_rate > 0) { ++ while (repeat_rate > 0 && idx < (LINK_QUAL_MAX_RETRY_NUM - 1)) { + if (is_legacy(tbl_type.lq_type)) { + if (ant_toggle_cnt < NUM_TRY_BEFORE_ANT_TOGGLE) + ant_toggle_cnt++; +@@ -2422,8 +2422,6 @@ il4965_rs_fill_link_cmd(struct il_priv *il, struct il_lq_sta *lq_sta, + cpu_to_le32(new_rate); + repeat_rate--; + idx++; +- if (idx >= LINK_QUAL_MAX_RETRY_NUM) +- goto out; + } + + il4965_rs_get_tbl_info_from_mcs(new_rate, lq_sta->band, +@@ -2468,7 +2466,6 @@ il4965_rs_fill_link_cmd(struct il_priv *il, struct il_lq_sta *lq_sta, + repeat_rate--; + } + +-out: + lq_cmd->agg_params.agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF; + lq_cmd->agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF; + +diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c +index ca261e0fc9c9b..9ee9ce0493fe6 100644 +--- a/drivers/net/xen-netback/xenbus.c ++++ b/drivers/net/xen-netback/xenbus.c +@@ -256,7 +256,6 @@ static void backend_disconnect(struct backend_info *be) + unsigned int queue_index; + + xen_unregister_watchers(vif); +- xenbus_rm(XBT_NIL, be->dev->nodename, "hotplug-status"); + #ifdef CONFIG_DEBUG_FS + xenvif_debugfs_delif(vif); + #endif /* CONFIG_DEBUG_FS */ +@@ -984,6 +983,7 @@ static int netback_remove(struct xenbus_device *dev) + struct backend_info *be = dev_get_drvdata(&dev->dev); + + unregister_hotplug_status_watch(be); ++ xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status"); + if (be->vif) { + kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE); + backend_disconnect(be); +diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c +index fe8c27bbc3f20..57df87def8c33 100644 +--- a/drivers/nvme/host/tcp.c ++++ b/drivers/nvme/host/tcp.c +@@ -118,7 +118,6 @@ struct nvme_tcp_queue { + struct mutex send_mutex; + struct llist_head req_list; + struct list_head send_list; +- bool more_requests; + + /* recv state */ + void *pdu; +@@ -314,7 +313,7 @@ static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) + static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) + { + return !list_empty(&queue->send_list) || +- !llist_empty(&queue->req_list) || queue->more_requests; ++ !llist_empty(&queue->req_list); + } + + static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req, +@@ -333,9 +332,7 @@ static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req, + */ + if (queue->io_cpu == raw_smp_processor_id() && + sync && empty && mutex_trylock(&queue->send_mutex)) { +- queue->more_requests = !last; + nvme_tcp_send_all(queue); +- queue->more_requests = false; + mutex_unlock(&queue->send_mutex); + } + +@@ -1196,7 +1193,7 @@ static void nvme_tcp_io_work(struct work_struct *w) + else if (unlikely(result < 0)) + return; + +- if (!pending) ++ if (!pending || !queue->rd_enabled) + return; + + } while (!time_after(jiffies, deadline)); /* quota is exhausted */ +diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c +index 9a8fa2e582d5b..bc88ff2912f56 100644 +--- a/drivers/nvme/target/core.c ++++ b/drivers/nvme/target/core.c +@@ -730,6 +730,8 @@ static void nvmet_set_error(struct nvmet_req *req, u16 status) + + static void __nvmet_req_complete(struct nvmet_req *req, u16 status) + { ++ struct nvmet_ns *ns = req->ns; ++ + if (!req->sq->sqhd_disabled) + nvmet_update_sq_head(req); + req->cqe->sq_id = cpu_to_le16(req->sq->qid); +@@ -740,9 +742,9 @@ static void __nvmet_req_complete(struct nvmet_req *req, u16 status) + + trace_nvmet_req_complete(req); + +- if (req->ns) +- nvmet_put_namespace(req->ns); + req->ops->queue_response(req); ++ if (ns) ++ nvmet_put_namespace(ns); + } + + void nvmet_req_complete(struct nvmet_req *req, u16 status) +diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c +index b916fab9b1618..ffd5000c23d39 100644 +--- a/drivers/parisc/ccio-dma.c ++++ b/drivers/parisc/ccio-dma.c +@@ -1380,15 +1380,17 @@ ccio_init_resource(struct resource *res, char *name, void __iomem *ioaddr) + } + } + +-static void __init ccio_init_resources(struct ioc *ioc) ++static int __init ccio_init_resources(struct ioc *ioc) + { + struct resource *res = ioc->mmio_region; + char *name = kmalloc(14, GFP_KERNEL); +- ++ if (unlikely(!name)) ++ return -ENOMEM; + snprintf(name, 14, "GSC Bus [%d/]", ioc->hw_path); + + ccio_init_resource(res, name, &ioc->ioc_regs->io_io_low); + ccio_init_resource(res + 1, name, &ioc->ioc_regs->io_io_low_hv); ++ return 0; + } + + static int new_ioc_area(struct resource *res, unsigned long size, +@@ -1543,7 +1545,10 @@ static int __init ccio_probe(struct parisc_device *dev) + return -ENOMEM; + } + ccio_ioc_init(ioc); +- ccio_init_resources(ioc); ++ if (ccio_init_resources(ioc)) { ++ kfree(ioc); ++ return -ENOMEM; ++ } + hppa_dma_ops = &ccio_ops; + + hba = kzalloc(sizeof(*hba), GFP_KERNEL); +diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c +index 6e3f3511e7ddd..317d701487ecd 100644 +--- a/drivers/regulator/core.c ++++ b/drivers/regulator/core.c +@@ -2596,13 +2596,18 @@ static int _regulator_do_enable(struct regulator_dev *rdev) + */ + static int _regulator_handle_consumer_enable(struct regulator *regulator) + { ++ int ret; + struct regulator_dev *rdev = regulator->rdev; + + lockdep_assert_held_once(&rdev->mutex.base); + + regulator->enable_count++; +- if (regulator->uA_load && regulator->enable_count == 1) +- return drms_uA_update(rdev); ++ if (regulator->uA_load && regulator->enable_count == 1) { ++ ret = drms_uA_update(rdev); ++ if (ret) ++ regulator->enable_count--; ++ return ret; ++ } + + return 0; + } +diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c +index 134e4ee5dc481..17200b453cbbb 100644 +--- a/drivers/scsi/lpfc/lpfc_init.c ++++ b/drivers/scsi/lpfc/lpfc_init.c +@@ -6670,7 +6670,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) + /* Allocate device driver memory */ + rc = lpfc_mem_alloc(phba, SGL_ALIGN_SZ); + if (rc) +- return -ENOMEM; ++ goto out_destroy_workqueue; + + /* IF Type 2 ports get initialized now. */ + if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >= +@@ -7076,6 +7076,9 @@ out_free_bsmbx: + lpfc_destroy_bootstrap_mbox(phba); + out_free_mem: + lpfc_mem_free(phba); ++out_destroy_workqueue: ++ destroy_workqueue(phba->wq); ++ phba->wq = NULL; + return rc; + } + +diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c +index 13022a42fd6f4..7838c7911adde 100644 +--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c ++++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c +@@ -5198,7 +5198,6 @@ megasas_alloc_fusion_context(struct megasas_instance *instance) + if (!fusion->log_to_span) { + dev_err(&instance->pdev->dev, "Failed from %s %d\n", + __func__, __LINE__); +- kfree(instance->ctrl_context); + return -ENOMEM; + } + } +diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c +index 8418b59b3743b..c3a5978b0efac 100644 +--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c ++++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c +@@ -3501,6 +3501,7 @@ static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc) + fw_event = list_first_entry(&ioc->fw_event_list, + struct fw_event_work, list); + list_del_init(&fw_event->list); ++ fw_event_work_put(fw_event); + } + spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + +@@ -3559,7 +3560,6 @@ _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc) + if (cancel_work_sync(&fw_event->work)) + fw_event_work_put(fw_event); + +- fw_event_work_put(fw_event); + } + ioc->fw_events_cleanup = 0; + } +diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c +index ba823e8eb902b..ecb30c2738b8b 100644 +--- a/drivers/scsi/qla2xxx/qla_target.c ++++ b/drivers/scsi/qla2xxx/qla_target.c +@@ -6817,14 +6817,8 @@ qlt_24xx_config_rings(struct scsi_qla_host *vha) + + if (ha->flags.msix_enabled) { + if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { +- if (IS_QLA2071(ha)) { +- /* 4 ports Baker: Enable Interrupt Handshake */ +- icb->msix_atio = 0; +- icb->firmware_options_2 |= cpu_to_le32(BIT_26); +- } else { +- icb->msix_atio = cpu_to_le16(msix->entry); +- icb->firmware_options_2 &= cpu_to_le32(~BIT_26); +- } ++ icb->msix_atio = cpu_to_le16(msix->entry); ++ icb->firmware_options_2 &= cpu_to_le32(~BIT_26); + ql_dbg(ql_dbg_init, vha, 0xf072, + "Registering ICB vector 0x%x for atio que.\n", + msix->entry); +diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c b/drivers/soc/bcm/brcmstb/pm/pm-arm.c +index c6ec7d95bcfcc..722fd54e537cf 100644 +--- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c ++++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c +@@ -681,13 +681,14 @@ static int brcmstb_pm_probe(struct platform_device *pdev) + const struct of_device_id *of_id = NULL; + struct device_node *dn; + void __iomem *base; +- int ret, i; ++ int ret, i, s; + + /* AON ctrl registers */ + base = brcmstb_ioremap_match(aon_ctrl_dt_ids, 0, NULL); + if (IS_ERR(base)) { + pr_err("error mapping AON_CTRL\n"); +- return PTR_ERR(base); ++ ret = PTR_ERR(base); ++ goto aon_err; + } + ctrl.aon_ctrl_base = base; + +@@ -697,8 +698,10 @@ static int brcmstb_pm_probe(struct platform_device *pdev) + /* Assume standard offset */ + ctrl.aon_sram = ctrl.aon_ctrl_base + + AON_CTRL_SYSTEM_DATA_RAM_OFS; ++ s = 0; + } else { + ctrl.aon_sram = base; ++ s = 1; + } + + writel_relaxed(0, ctrl.aon_sram + AON_REG_PANIC); +@@ -708,7 +711,8 @@ static int brcmstb_pm_probe(struct platform_device *pdev) + (const void **)&ddr_phy_data); + if (IS_ERR(base)) { + pr_err("error mapping DDR PHY\n"); +- return PTR_ERR(base); ++ ret = PTR_ERR(base); ++ goto ddr_phy_err; + } + ctrl.support_warm_boot = ddr_phy_data->supports_warm_boot; + ctrl.pll_status_offset = ddr_phy_data->pll_status_offset; +@@ -728,17 +732,20 @@ static int brcmstb_pm_probe(struct platform_device *pdev) + for_each_matching_node(dn, ddr_shimphy_dt_ids) { + i = ctrl.num_memc; + if (i >= MAX_NUM_MEMC) { ++ of_node_put(dn); + pr_warn("too many MEMCs (max %d)\n", MAX_NUM_MEMC); + break; + } + + base = of_io_request_and_map(dn, 0, dn->full_name); + if (IS_ERR(base)) { ++ of_node_put(dn); + if (!ctrl.support_warm_boot) + break; + + pr_err("error mapping DDR SHIMPHY %d\n", i); +- return PTR_ERR(base); ++ ret = PTR_ERR(base); ++ goto ddr_shimphy_err; + } + ctrl.memcs[i].ddr_shimphy_base = base; + ctrl.num_memc++; +@@ -749,14 +756,18 @@ static int brcmstb_pm_probe(struct platform_device *pdev) + for_each_matching_node(dn, brcmstb_memc_of_match) { + base = of_iomap(dn, 0); + if (!base) { ++ of_node_put(dn); + pr_err("error mapping DDR Sequencer %d\n", i); +- return -ENOMEM; ++ ret = -ENOMEM; ++ goto brcmstb_memc_err; + } + + of_id = of_match_node(brcmstb_memc_of_match, dn); + if (!of_id) { + iounmap(base); +- return -EINVAL; ++ of_node_put(dn); ++ ret = -EINVAL; ++ goto brcmstb_memc_err; + } + + ddr_seq_data = of_id->data; +@@ -776,21 +787,24 @@ static int brcmstb_pm_probe(struct platform_device *pdev) + dn = of_find_matching_node(NULL, sram_dt_ids); + if (!dn) { + pr_err("SRAM not found\n"); +- return -EINVAL; ++ ret = -EINVAL; ++ goto brcmstb_memc_err; + } + + ret = brcmstb_init_sram(dn); + of_node_put(dn); + if (ret) { + pr_err("error setting up SRAM for PM\n"); +- return ret; ++ goto brcmstb_memc_err; + } + + ctrl.pdev = pdev; + + ctrl.s3_params = kmalloc(sizeof(*ctrl.s3_params), GFP_KERNEL); +- if (!ctrl.s3_params) +- return -ENOMEM; ++ if (!ctrl.s3_params) { ++ ret = -ENOMEM; ++ goto s3_params_err; ++ } + ctrl.s3_params_pa = dma_map_single(&pdev->dev, ctrl.s3_params, + sizeof(*ctrl.s3_params), + DMA_TO_DEVICE); +@@ -810,7 +824,21 @@ static int brcmstb_pm_probe(struct platform_device *pdev) + + out: + kfree(ctrl.s3_params); +- ++s3_params_err: ++ iounmap(ctrl.boot_sram); ++brcmstb_memc_err: ++ for (i--; i >= 0; i--) ++ iounmap(ctrl.memcs[i].ddr_ctrl); ++ddr_shimphy_err: ++ for (i = 0; i < ctrl.num_memc; i++) ++ iounmap(ctrl.memcs[i].ddr_shimphy_base); ++ ++ iounmap(ctrl.memcs[0].ddr_phy_base); ++ddr_phy_err: ++ iounmap(ctrl.aon_ctrl_base); ++ if (s) ++ iounmap(ctrl.aon_sram); ++aon_err: + pr_warn("PM: initialization failed with code %d\n", ret); + + return ret; +diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c +index 499fccba3d74b..6fb4400333fb4 100644 +--- a/drivers/tee/tee_shm.c ++++ b/drivers/tee/tee_shm.c +@@ -9,6 +9,7 @@ + #include <linux/sched.h> + #include <linux/slab.h> + #include <linux/tee_drv.h> ++#include <linux/uaccess.h> + #include <linux/uio.h> + #include "tee_private.h" + +diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c +index cb5ed4155a8d2..c91a3004931f1 100644 +--- a/drivers/tty/n_gsm.c ++++ b/drivers/tty/n_gsm.c +@@ -235,7 +235,7 @@ struct gsm_mux { + int old_c_iflag; /* termios c_iflag value before attach */ + bool constipated; /* Asked by remote to shut up */ + +- spinlock_t tx_lock; ++ struct mutex tx_mutex; + unsigned int tx_bytes; /* TX data outstanding */ + #define TX_THRESH_HI 8192 + #define TX_THRESH_LO 2048 +@@ -820,15 +820,14 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg) + * + * Add data to the transmit queue and try and get stuff moving + * out of the mux tty if not already doing so. Take the +- * the gsm tx lock and dlci lock. ++ * the gsm tx mutex and dlci lock. + */ + + static void gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg) + { +- unsigned long flags; +- spin_lock_irqsave(&dlci->gsm->tx_lock, flags); ++ mutex_lock(&dlci->gsm->tx_mutex); + __gsm_data_queue(dlci, msg); +- spin_unlock_irqrestore(&dlci->gsm->tx_lock, flags); ++ mutex_unlock(&dlci->gsm->tx_mutex); + } + + /** +@@ -840,7 +839,7 @@ static void gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg) + * is data. Keep to the MRU of the mux. This path handles the usual tty + * interface which is a byte stream with optional modem data. + * +- * Caller must hold the tx_lock of the mux. ++ * Caller must hold the tx_mutex of the mux. + */ + + static int gsm_dlci_data_output(struct gsm_mux *gsm, struct gsm_dlci *dlci) +@@ -903,7 +902,7 @@ static int gsm_dlci_data_output(struct gsm_mux *gsm, struct gsm_dlci *dlci) + * is data. Keep to the MRU of the mux. This path handles framed data + * queued as skbuffs to the DLCI. + * +- * Caller must hold the tx_lock of the mux. ++ * Caller must hold the tx_mutex of the mux. + */ + + static int gsm_dlci_data_output_framed(struct gsm_mux *gsm, +@@ -919,7 +918,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm, + if (dlci->adaption == 4) + overhead = 1; + +- /* dlci->skb is locked by tx_lock */ ++ /* dlci->skb is locked by tx_mutex */ + if (dlci->skb == NULL) { + dlci->skb = skb_dequeue_tail(&dlci->skb_list); + if (dlci->skb == NULL) +@@ -1019,13 +1018,12 @@ static void gsm_dlci_data_sweep(struct gsm_mux *gsm) + + static void gsm_dlci_data_kick(struct gsm_dlci *dlci) + { +- unsigned long flags; + int sweep; + + if (dlci->constipated) + return; + +- spin_lock_irqsave(&dlci->gsm->tx_lock, flags); ++ mutex_lock(&dlci->gsm->tx_mutex); + /* If we have nothing running then we need to fire up */ + sweep = (dlci->gsm->tx_bytes < TX_THRESH_LO); + if (dlci->gsm->tx_bytes == 0) { +@@ -1036,7 +1034,7 @@ static void gsm_dlci_data_kick(struct gsm_dlci *dlci) + } + if (sweep) + gsm_dlci_data_sweep(dlci->gsm); +- spin_unlock_irqrestore(&dlci->gsm->tx_lock, flags); ++ mutex_unlock(&dlci->gsm->tx_mutex); + } + + /* +@@ -1258,7 +1256,6 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command, + const u8 *data, int clen) + { + u8 buf[1]; +- unsigned long flags; + + switch (command) { + case CMD_CLD: { +@@ -1280,9 +1277,9 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command, + gsm->constipated = false; + gsm_control_reply(gsm, CMD_FCON, NULL, 0); + /* Kick the link in case it is idling */ +- spin_lock_irqsave(&gsm->tx_lock, flags); ++ mutex_lock(&gsm->tx_mutex); + gsm_data_kick(gsm, NULL); +- spin_unlock_irqrestore(&gsm->tx_lock, flags); ++ mutex_unlock(&gsm->tx_mutex); + break; + case CMD_FCOFF: + /* Modem wants us to STFU */ +@@ -2200,11 +2197,6 @@ static int gsm_activate_mux(struct gsm_mux *gsm) + { + struct gsm_dlci *dlci; + +- timer_setup(&gsm->t2_timer, gsm_control_retransmit, 0); +- init_waitqueue_head(&gsm->event); +- spin_lock_init(&gsm->control_lock); +- spin_lock_init(&gsm->tx_lock); +- + if (gsm->encoding == 0) + gsm->receive = gsm0_receive; + else +@@ -2233,6 +2225,7 @@ static void gsm_free_mux(struct gsm_mux *gsm) + break; + } + } ++ mutex_destroy(&gsm->tx_mutex); + mutex_destroy(&gsm->mutex); + kfree(gsm->txframe); + kfree(gsm->buf); +@@ -2304,8 +2297,12 @@ static struct gsm_mux *gsm_alloc_mux(void) + } + spin_lock_init(&gsm->lock); + mutex_init(&gsm->mutex); ++ mutex_init(&gsm->tx_mutex); + kref_init(&gsm->ref); + INIT_LIST_HEAD(&gsm->tx_list); ++ timer_setup(&gsm->t2_timer, gsm_control_retransmit, 0); ++ init_waitqueue_head(&gsm->event); ++ spin_lock_init(&gsm->control_lock); + + gsm->t1 = T1; + gsm->t2 = T2; +@@ -2330,6 +2327,7 @@ static struct gsm_mux *gsm_alloc_mux(void) + } + spin_unlock(&gsm_mux_lock); + if (i == MAX_MUX) { ++ mutex_destroy(&gsm->tx_mutex); + mutex_destroy(&gsm->mutex); + kfree(gsm->txframe); + kfree(gsm->buf); +@@ -2654,16 +2652,15 @@ static int gsmld_open(struct tty_struct *tty) + static void gsmld_write_wakeup(struct tty_struct *tty) + { + struct gsm_mux *gsm = tty->disc_data; +- unsigned long flags; + + /* Queue poll */ + clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); +- spin_lock_irqsave(&gsm->tx_lock, flags); ++ mutex_lock(&gsm->tx_mutex); + gsm_data_kick(gsm, NULL); + if (gsm->tx_bytes < TX_THRESH_LO) { + gsm_dlci_data_sweep(gsm); + } +- spin_unlock_irqrestore(&gsm->tx_lock, flags); ++ mutex_unlock(&gsm->tx_mutex); + } + + /** +@@ -2706,7 +2703,6 @@ static ssize_t gsmld_write(struct tty_struct *tty, struct file *file, + const unsigned char *buf, size_t nr) + { + struct gsm_mux *gsm = tty->disc_data; +- unsigned long flags; + int space; + int ret; + +@@ -2714,13 +2710,13 @@ static ssize_t gsmld_write(struct tty_struct *tty, struct file *file, + return -ENODEV; + + ret = -ENOBUFS; +- spin_lock_irqsave(&gsm->tx_lock, flags); ++ mutex_lock(&gsm->tx_mutex); + space = tty_write_room(tty); + if (space >= nr) + ret = tty->ops->write(tty, buf, nr); + else + set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); +- spin_unlock_irqrestore(&gsm->tx_lock, flags); ++ mutex_unlock(&gsm->tx_mutex); + + return ret; + } +diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c +index 393894af26f84..2b00a9d554fc0 100644 +--- a/drivers/video/fbdev/chipsfb.c ++++ b/drivers/video/fbdev/chipsfb.c +@@ -430,6 +430,7 @@ static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent) + err_release_fb: + framebuffer_release(p); + err_disable: ++ pci_disable_device(dp); + err_out: + return rc; + } +diff --git a/fs/afs/flock.c b/fs/afs/flock.c +index cb3054c7843ea..466ad609f2057 100644 +--- a/fs/afs/flock.c ++++ b/fs/afs/flock.c +@@ -76,7 +76,7 @@ void afs_lock_op_done(struct afs_call *call) + if (call->error == 0) { + spin_lock(&vnode->lock); + trace_afs_flock_ev(vnode, NULL, afs_flock_timestamp, 0); +- vnode->locked_at = call->reply_time; ++ vnode->locked_at = call->issue_time; + afs_schedule_lock_extension(vnode); + spin_unlock(&vnode->lock); + } +diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c +index 1d95ed9dd86e6..0048a32cb040e 100644 +--- a/fs/afs/fsclient.c ++++ b/fs/afs/fsclient.c +@@ -130,7 +130,7 @@ bad: + + static time64_t xdr_decode_expiry(struct afs_call *call, u32 expiry) + { +- return ktime_divns(call->reply_time, NSEC_PER_SEC) + expiry; ++ return ktime_divns(call->issue_time, NSEC_PER_SEC) + expiry; + } + + static void xdr_decode_AFSCallBack(const __be32 **_bp, +diff --git a/fs/afs/internal.h b/fs/afs/internal.h +index dc08a3d9b3a8b..637cbe549397c 100644 +--- a/fs/afs/internal.h ++++ b/fs/afs/internal.h +@@ -135,7 +135,6 @@ struct afs_call { + bool need_attention; /* T if RxRPC poked us */ + bool async; /* T if asynchronous */ + bool upgrade; /* T to request service upgrade */ +- bool have_reply_time; /* T if have got reply_time */ + bool intr; /* T if interruptible */ + bool unmarshalling_error; /* T if an unmarshalling error occurred */ + u16 service_id; /* Actual service ID (after upgrade) */ +@@ -149,7 +148,7 @@ struct afs_call { + } __attribute__((packed)); + __be64 tmp64; + }; +- ktime_t reply_time; /* Time of first reply packet */ ++ ktime_t issue_time; /* Time of issue of operation */ + }; + + struct afs_call_type { +diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c +index efe0fb3ad8bdc..535d28b44bca3 100644 +--- a/fs/afs/rxrpc.c ++++ b/fs/afs/rxrpc.c +@@ -429,6 +429,7 @@ void afs_make_call(struct afs_addr_cursor *ac, struct afs_call *call, gfp_t gfp) + if (call->max_lifespan) + rxrpc_kernel_set_max_life(call->net->socket, rxcall, + call->max_lifespan); ++ call->issue_time = ktime_get_real(); + + /* send the request */ + iov[0].iov_base = call->request; +@@ -533,12 +534,6 @@ static void afs_deliver_to_call(struct afs_call *call) + return; + } + +- if (!call->have_reply_time && +- rxrpc_kernel_get_reply_time(call->net->socket, +- call->rxcall, +- &call->reply_time)) +- call->have_reply_time = true; +- + ret = call->type->deliver(call); + state = READ_ONCE(call->state); + if (ret == 0 && call->unmarshalling_error) +diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c +index bd787e71a657f..5b2ef5ffd716f 100644 +--- a/fs/afs/yfsclient.c ++++ b/fs/afs/yfsclient.c +@@ -239,8 +239,7 @@ static void xdr_decode_YFSCallBack(const __be32 **_bp, + struct afs_callback *cb = &scb->callback; + ktime_t cb_expiry; + +- cb_expiry = call->reply_time; +- cb_expiry = ktime_add(cb_expiry, xdr_to_u64(x->expiration_time) * 100); ++ cb_expiry = ktime_add(call->issue_time, xdr_to_u64(x->expiration_time) * 100); + cb->expires_at = ktime_divns(cb_expiry, NSEC_PER_SEC); + scb->have_cb = true; + *_bp += xdr_size(x); +diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c +index 2fa3ba354cc96..001c26daacbaa 100644 +--- a/fs/cifs/smb2file.c ++++ b/fs/cifs/smb2file.c +@@ -74,7 +74,6 @@ smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, + nr_ioctl_req.Reserved = 0; + rc = SMB2_ioctl(xid, oparms->tcon, fid->persistent_fid, + fid->volatile_fid, FSCTL_LMR_REQUEST_RESILIENCY, +- true /* is_fsctl */, + (char *)&nr_ioctl_req, sizeof(nr_ioctl_req), + CIFSMaxBufSize, NULL, NULL /* no return info */); + if (rc == -EOPNOTSUPP) { +diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c +index b6d72e3c5ebad..11efd5289ec43 100644 +--- a/fs/cifs/smb2ops.c ++++ b/fs/cifs/smb2ops.c +@@ -587,7 +587,7 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) + struct cifs_ses *ses = tcon->ses; + + rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, +- FSCTL_QUERY_NETWORK_INTERFACE_INFO, true /* is_fsctl */, ++ FSCTL_QUERY_NETWORK_INTERFACE_INFO, + NULL /* no data input */, 0 /* no data input */, + CIFSMaxBufSize, (char **)&out_buf, &ret_data_len); + if (rc == -EOPNOTSUPP) { +@@ -1470,9 +1470,8 @@ SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon, + struct resume_key_req *res_key; + + rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, +- FSCTL_SRV_REQUEST_RESUME_KEY, true /* is_fsctl */, +- NULL, 0 /* no input */, CIFSMaxBufSize, +- (char **)&res_key, &ret_data_len); ++ FSCTL_SRV_REQUEST_RESUME_KEY, NULL, 0 /* no input */, ++ CIFSMaxBufSize, (char **)&res_key, &ret_data_len); + + if (rc) { + cifs_tcon_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc); +@@ -1611,7 +1610,7 @@ smb2_ioctl_query_info(const unsigned int xid, + rqst[1].rq_nvec = SMB2_IOCTL_IOV_SIZE; + + rc = SMB2_ioctl_init(tcon, server, &rqst[1], COMPOUND_FID, COMPOUND_FID, +- qi.info_type, true, buffer, qi.output_buffer_length, ++ qi.info_type, buffer, qi.output_buffer_length, + CIFSMaxBufSize - MAX_SMB2_CREATE_RESPONSE_SIZE - + MAX_SMB2_CLOSE_RESPONSE_SIZE); + free_req1_func = SMB2_ioctl_free; +@@ -1787,9 +1786,8 @@ smb2_copychunk_range(const unsigned int xid, + retbuf = NULL; + rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, + trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE, +- true /* is_fsctl */, (char *)pcchunk, +- sizeof(struct copychunk_ioctl), CIFSMaxBufSize, +- (char **)&retbuf, &ret_data_len); ++ (char *)pcchunk, sizeof(struct copychunk_ioctl), ++ CIFSMaxBufSize, (char **)&retbuf, &ret_data_len); + if (rc == 0) { + if (ret_data_len != + sizeof(struct copychunk_ioctl_rsp)) { +@@ -1949,7 +1947,6 @@ static bool smb2_set_sparse(const unsigned int xid, struct cifs_tcon *tcon, + + rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, FSCTL_SET_SPARSE, +- true /* is_fctl */, + &setsparse, 1, CIFSMaxBufSize, NULL, NULL); + if (rc) { + tcon->broken_sparse_sup = true; +@@ -2032,7 +2029,6 @@ smb2_duplicate_extents(const unsigned int xid, + rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, + trgtfile->fid.volatile_fid, + FSCTL_DUPLICATE_EXTENTS_TO_FILE, +- true /* is_fsctl */, + (char *)&dup_ext_buf, + sizeof(struct duplicate_extents_to_file), + CIFSMaxBufSize, NULL, +@@ -2067,7 +2063,6 @@ smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon, + return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, + FSCTL_SET_INTEGRITY_INFORMATION, +- true /* is_fsctl */, + (char *)&integr_info, + sizeof(struct fsctl_set_integrity_information_req), + CIFSMaxBufSize, NULL, +@@ -2120,7 +2115,6 @@ smb3_enum_snapshots(const unsigned int xid, struct cifs_tcon *tcon, + rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, + FSCTL_SRV_ENUMERATE_SNAPSHOTS, +- true /* is_fsctl */, + NULL, 0 /* no input data */, max_response_size, + (char **)&retbuf, + &ret_data_len); +@@ -2762,7 +2756,6 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses, + do { + rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, + FSCTL_DFS_GET_REFERRALS, +- true /* is_fsctl */, + (char *)dfs_req, dfs_req_size, CIFSMaxBufSize, + (char **)&dfs_rsp, &dfs_rsp_size); + } while (rc == -EAGAIN); +@@ -2964,8 +2957,7 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, + + rc = SMB2_ioctl_init(tcon, server, + &rqst[1], fid.persistent_fid, +- fid.volatile_fid, FSCTL_GET_REPARSE_POINT, +- true /* is_fctl */, NULL, 0, ++ fid.volatile_fid, FSCTL_GET_REPARSE_POINT, NULL, 0, + CIFSMaxBufSize - + MAX_SMB2_CREATE_RESPONSE_SIZE - + MAX_SMB2_CLOSE_RESPONSE_SIZE); +@@ -3145,8 +3137,7 @@ smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon, + + rc = SMB2_ioctl_init(tcon, server, + &rqst[1], COMPOUND_FID, +- COMPOUND_FID, FSCTL_GET_REPARSE_POINT, +- true /* is_fctl */, NULL, 0, ++ COMPOUND_FID, FSCTL_GET_REPARSE_POINT, NULL, 0, + CIFSMaxBufSize - + MAX_SMB2_CREATE_RESPONSE_SIZE - + MAX_SMB2_CLOSE_RESPONSE_SIZE); +@@ -3409,7 +3400,7 @@ static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, + fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); + + rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, +- cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, true, ++ cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, + (char *)&fsctl_buf, + sizeof(struct file_zero_data_information), + 0, NULL, NULL); +@@ -3439,7 +3430,7 @@ static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, + static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon, + loff_t offset, loff_t len) + { +- struct inode *inode; ++ struct inode *inode = file_inode(file); + struct cifsFileInfo *cfile = file->private_data; + struct file_zero_data_information fsctl_buf; + long rc; +@@ -3448,14 +3439,12 @@ static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon, + + xid = get_xid(); + +- inode = d_inode(cfile->dentry); +- ++ inode_lock(inode); + /* Need to make file sparse, if not already, before freeing range. */ + /* Consider adding equivalent for compressed since it could also work */ + if (!smb2_set_sparse(xid, tcon, cfile, inode, set_sparse)) { + rc = -EOPNOTSUPP; +- free_xid(xid); +- return rc; ++ goto out; + } + + /* +@@ -3471,9 +3460,11 @@ static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon, + + rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, +- true /* is_fctl */, (char *)&fsctl_buf, ++ (char *)&fsctl_buf, + sizeof(struct file_zero_data_information), + CIFSMaxBufSize, NULL, NULL); ++out: ++ inode_unlock(inode); + free_xid(xid); + return rc; + } +@@ -3530,7 +3521,7 @@ static int smb3_simple_fallocate_range(unsigned int xid, + in_data.length = cpu_to_le64(len); + rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, +- FSCTL_QUERY_ALLOCATED_RANGES, true, ++ FSCTL_QUERY_ALLOCATED_RANGES, + (char *)&in_data, sizeof(in_data), + 1024 * sizeof(struct file_allocated_range_buffer), + (char **)&out_data, &out_data_len); +@@ -3771,7 +3762,7 @@ static loff_t smb3_llseek(struct file *file, struct cifs_tcon *tcon, loff_t offs + + rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, +- FSCTL_QUERY_ALLOCATED_RANGES, true, ++ FSCTL_QUERY_ALLOCATED_RANGES, + (char *)&in_data, sizeof(in_data), + sizeof(struct file_allocated_range_buffer), + (char **)&out_data, &out_data_len); +@@ -3831,7 +3822,7 @@ static int smb3_fiemap(struct cifs_tcon *tcon, + + rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, +- FSCTL_QUERY_ALLOCATED_RANGES, true, ++ FSCTL_QUERY_ALLOCATED_RANGES, + (char *)&in_data, sizeof(in_data), + 1024 * sizeof(struct file_allocated_range_buffer), + (char **)&out_data, &out_data_len); +diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c +index 24dd711fa9b95..7ee8abd1f79be 100644 +--- a/fs/cifs/smb2pdu.c ++++ b/fs/cifs/smb2pdu.c +@@ -1081,7 +1081,7 @@ int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon) + } + + rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, +- FSCTL_VALIDATE_NEGOTIATE_INFO, true /* is_fsctl */, ++ FSCTL_VALIDATE_NEGOTIATE_INFO, + (char *)pneg_inbuf, inbuflen, CIFSMaxBufSize, + (char **)&pneg_rsp, &rsplen); + if (rc == -EOPNOTSUPP) { +@@ -2922,7 +2922,7 @@ int + SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, + struct smb_rqst *rqst, + u64 persistent_fid, u64 volatile_fid, u32 opcode, +- bool is_fsctl, char *in_data, u32 indatalen, ++ char *in_data, u32 indatalen, + __u32 max_response_size) + { + struct smb2_ioctl_req *req; +@@ -2997,10 +2997,8 @@ SMB2_ioctl_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, + req->sync_hdr.CreditCharge = + cpu_to_le16(DIV_ROUND_UP(max(indatalen, max_response_size), + SMB2_MAX_BUFFER_SIZE)); +- if (is_fsctl) +- req->Flags = cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL); +- else +- req->Flags = 0; ++ /* always an FSCTL (for now) */ ++ req->Flags = cpu_to_le32(SMB2_0_IOCTL_IS_FSCTL); + + /* validate negotiate request must be signed - see MS-SMB2 3.2.5.5 */ + if (opcode == FSCTL_VALIDATE_NEGOTIATE_INFO) +@@ -3027,9 +3025,9 @@ SMB2_ioctl_free(struct smb_rqst *rqst) + */ + int + SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, +- u64 volatile_fid, u32 opcode, bool is_fsctl, +- char *in_data, u32 indatalen, u32 max_out_data_len, +- char **out_data, u32 *plen /* returned data len */) ++ u64 volatile_fid, u32 opcode, char *in_data, u32 indatalen, ++ u32 max_out_data_len, char **out_data, ++ u32 *plen /* returned data len */) + { + struct smb_rqst rqst; + struct smb2_ioctl_rsp *rsp = NULL; +@@ -3071,7 +3069,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, + + rc = SMB2_ioctl_init(tcon, server, + &rqst, persistent_fid, volatile_fid, opcode, +- is_fsctl, in_data, indatalen, max_out_data_len); ++ in_data, indatalen, max_out_data_len); + if (rc) + goto ioctl_exit; + +@@ -3153,7 +3151,7 @@ SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, + cpu_to_le16(COMPRESSION_FORMAT_DEFAULT); + + rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, +- FSCTL_SET_COMPRESSION, true /* is_fsctl */, ++ FSCTL_SET_COMPRESSION, + (char *)&fsctl_input /* data input */, + 2 /* in data len */, CIFSMaxBufSize /* max out data */, + &ret_data /* out data */, NULL); +diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h +index 4eb0ca84355a6..ed2b4fb012a41 100644 +--- a/fs/cifs/smb2proto.h ++++ b/fs/cifs/smb2proto.h +@@ -155,13 +155,13 @@ extern int SMB2_open_init(struct cifs_tcon *tcon, + extern void SMB2_open_free(struct smb_rqst *rqst); + extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid, u32 opcode, +- bool is_fsctl, char *in_data, u32 indatalen, u32 maxoutlen, ++ char *in_data, u32 indatalen, u32 maxoutlen, + char **out_data, u32 *plen /* returned data len */); + extern int SMB2_ioctl_init(struct cifs_tcon *tcon, + struct TCP_Server_Info *server, + struct smb_rqst *rqst, + u64 persistent_fid, u64 volatile_fid, u32 opcode, +- bool is_fsctl, char *in_data, u32 indatalen, ++ char *in_data, u32 indatalen, + __u32 max_response_size); + extern void SMB2_ioctl_free(struct smb_rqst *rqst); + extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon, +diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c +index 848e0aaa8da5d..f47f0a7d2c3b9 100644 +--- a/fs/debugfs/inode.c ++++ b/fs/debugfs/inode.c +@@ -730,6 +730,28 @@ void debugfs_remove(struct dentry *dentry) + } + EXPORT_SYMBOL_GPL(debugfs_remove); + ++/** ++ * debugfs_lookup_and_remove - lookup a directory or file and recursively remove it ++ * @name: a pointer to a string containing the name of the item to look up. ++ * @parent: a pointer to the parent dentry of the item. ++ * ++ * This is the equlivant of doing something like ++ * debugfs_remove(debugfs_lookup(..)) but with the proper reference counting ++ * handled for the directory being looked up. ++ */ ++void debugfs_lookup_and_remove(const char *name, struct dentry *parent) ++{ ++ struct dentry *dentry; ++ ++ dentry = debugfs_lookup(name, parent); ++ if (!dentry) ++ return; ++ ++ debugfs_remove(dentry); ++ dput(dentry); ++} ++EXPORT_SYMBOL_GPL(debugfs_lookup_and_remove); ++ + /** + * debugfs_rename - rename a file/directory in the debugfs filesystem + * @old_dir: a pointer to the parent dentry for the renamed object. This +diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c +index c852bb5ff2121..a4ae1fcd2ab1e 100644 +--- a/fs/nfsd/vfs.c ++++ b/fs/nfsd/vfs.c +@@ -1014,6 +1014,10 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf, + iov_iter_kvec(&iter, WRITE, vec, vlen, *cnt); + since = READ_ONCE(file->f_wb_err); + if (flags & RWF_SYNC) { ++ if (verf) ++ nfsd_copy_boot_verifier(verf, ++ net_generic(SVC_NET(rqstp), ++ nfsd_net_id)); + host_err = vfs_iter_write(file, &iter, &pos, flags); + if (host_err < 0) + nfsd_reset_boot_verifier(net_generic(SVC_NET(rqstp), +diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h +index 20a2ff1c07a1b..e93e3faa82296 100644 +--- a/include/linux/buffer_head.h ++++ b/include/linux/buffer_head.h +@@ -136,6 +136,17 @@ BUFFER_FNS(Defer_Completion, defer_completion) + + static __always_inline void set_buffer_uptodate(struct buffer_head *bh) + { ++ /* ++ * If somebody else already set this uptodate, they will ++ * have done the memory barrier, and a reader will thus ++ * see *some* valid buffer state. ++ * ++ * Any other serialization (with IO errors or whatever that ++ * might clear the bit) has to come from other state (eg BH_Lock). ++ */ ++ if (test_bit(BH_Uptodate, &bh->b_state)) ++ return; ++ + /* + * make it consistent with folio_mark_uptodate + * pairs with smp_load_acquire in buffer_uptodate +diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h +index d6c4cc9ecc77c..2357109a8901b 100644 +--- a/include/linux/debugfs.h ++++ b/include/linux/debugfs.h +@@ -91,6 +91,8 @@ struct dentry *debugfs_create_automount(const char *name, + void debugfs_remove(struct dentry *dentry); + #define debugfs_remove_recursive debugfs_remove + ++void debugfs_lookup_and_remove(const char *name, struct dentry *parent); ++ + const struct file_operations *debugfs_real_fops(const struct file *filp); + + int debugfs_file_get(struct dentry *dentry); +@@ -220,6 +222,10 @@ static inline void debugfs_remove(struct dentry *dentry) + static inline void debugfs_remove_recursive(struct dentry *dentry) + { } + ++static inline void debugfs_lookup_and_remove(const char *name, ++ struct dentry *parent) ++{ } ++ + const struct file_operations *debugfs_real_fops(const struct file *filp); + + static inline int debugfs_file_get(struct dentry *dentry) +diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c +index 5046c99deba86..684c16849eff3 100644 +--- a/kernel/cgroup/cgroup.c ++++ b/kernel/cgroup/cgroup.c +@@ -2304,6 +2304,47 @@ int task_cgroup_path(struct task_struct *task, char *buf, size_t buflen) + } + EXPORT_SYMBOL_GPL(task_cgroup_path); + ++/** ++ * cgroup_attach_lock - Lock for ->attach() ++ * @lock_threadgroup: whether to down_write cgroup_threadgroup_rwsem ++ * ++ * cgroup migration sometimes needs to stabilize threadgroups against forks and ++ * exits by write-locking cgroup_threadgroup_rwsem. However, some ->attach() ++ * implementations (e.g. cpuset), also need to disable CPU hotplug. ++ * Unfortunately, letting ->attach() operations acquire cpus_read_lock() can ++ * lead to deadlocks. ++ * ++ * Bringing up a CPU may involve creating and destroying tasks which requires ++ * read-locking threadgroup_rwsem, so threadgroup_rwsem nests inside ++ * cpus_read_lock(). If we call an ->attach() which acquires the cpus lock while ++ * write-locking threadgroup_rwsem, the locking order is reversed and we end up ++ * waiting for an on-going CPU hotplug operation which in turn is waiting for ++ * the threadgroup_rwsem to be released to create new tasks. For more details: ++ * ++ * http://lkml.kernel.org/r/20220711174629.uehfmqegcwn2lqzu@wubuntu ++ * ++ * Resolve the situation by always acquiring cpus_read_lock() before optionally ++ * write-locking cgroup_threadgroup_rwsem. This allows ->attach() to assume that ++ * CPU hotplug is disabled on entry. ++ */ ++static void cgroup_attach_lock(bool lock_threadgroup) ++{ ++ cpus_read_lock(); ++ if (lock_threadgroup) ++ percpu_down_write(&cgroup_threadgroup_rwsem); ++} ++ ++/** ++ * cgroup_attach_unlock - Undo cgroup_attach_lock() ++ * @lock_threadgroup: whether to up_write cgroup_threadgroup_rwsem ++ */ ++static void cgroup_attach_unlock(bool lock_threadgroup) ++{ ++ if (lock_threadgroup) ++ percpu_up_write(&cgroup_threadgroup_rwsem); ++ cpus_read_unlock(); ++} ++ + /** + * cgroup_migrate_add_task - add a migration target task to a migration context + * @task: target task +@@ -2780,8 +2821,7 @@ int cgroup_attach_task(struct cgroup *dst_cgrp, struct task_struct *leader, + } + + struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup, +- bool *locked) +- __acquires(&cgroup_threadgroup_rwsem) ++ bool *threadgroup_locked) + { + struct task_struct *tsk; + pid_t pid; +@@ -2798,12 +2838,8 @@ struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup, + * Therefore, we can skip the global lock. + */ + lockdep_assert_held(&cgroup_mutex); +- if (pid || threadgroup) { +- percpu_down_write(&cgroup_threadgroup_rwsem); +- *locked = true; +- } else { +- *locked = false; +- } ++ *threadgroup_locked = pid || threadgroup; ++ cgroup_attach_lock(*threadgroup_locked); + + rcu_read_lock(); + if (pid) { +@@ -2834,17 +2870,14 @@ struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup, + goto out_unlock_rcu; + + out_unlock_threadgroup: +- if (*locked) { +- percpu_up_write(&cgroup_threadgroup_rwsem); +- *locked = false; +- } ++ cgroup_attach_unlock(*threadgroup_locked); ++ *threadgroup_locked = false; + out_unlock_rcu: + rcu_read_unlock(); + return tsk; + } + +-void cgroup_procs_write_finish(struct task_struct *task, bool locked) +- __releases(&cgroup_threadgroup_rwsem) ++void cgroup_procs_write_finish(struct task_struct *task, bool threadgroup_locked) + { + struct cgroup_subsys *ss; + int ssid; +@@ -2852,8 +2885,8 @@ void cgroup_procs_write_finish(struct task_struct *task, bool locked) + /* release reference from cgroup_procs_write_start() */ + put_task_struct(task); + +- if (locked) +- percpu_up_write(&cgroup_threadgroup_rwsem); ++ cgroup_attach_unlock(threadgroup_locked); ++ + for_each_subsys(ss, ssid) + if (ss->post_attach) + ss->post_attach(); +@@ -2908,12 +2941,11 @@ static int cgroup_update_dfl_csses(struct cgroup *cgrp) + struct cgroup_subsys_state *d_css; + struct cgroup *dsct; + struct css_set *src_cset; ++ bool has_tasks; + int ret; + + lockdep_assert_held(&cgroup_mutex); + +- percpu_down_write(&cgroup_threadgroup_rwsem); +- + /* look up all csses currently attached to @cgrp's subtree */ + spin_lock_irq(&css_set_lock); + cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) { +@@ -2924,6 +2956,15 @@ static int cgroup_update_dfl_csses(struct cgroup *cgrp) + } + spin_unlock_irq(&css_set_lock); + ++ /* ++ * We need to write-lock threadgroup_rwsem while migrating tasks. ++ * However, if there are no source csets for @cgrp, changing its ++ * controllers isn't gonna produce any task migrations and the ++ * write-locking can be skipped safely. ++ */ ++ has_tasks = !list_empty(&mgctx.preloaded_src_csets); ++ cgroup_attach_lock(has_tasks); ++ + /* NULL dst indicates self on default hierarchy */ + ret = cgroup_migrate_prepare_dst(&mgctx); + if (ret) +@@ -2943,7 +2984,7 @@ static int cgroup_update_dfl_csses(struct cgroup *cgrp) + ret = cgroup_migrate_execute(&mgctx); + out_finish: + cgroup_migrate_finish(&mgctx); +- percpu_up_write(&cgroup_threadgroup_rwsem); ++ cgroup_attach_unlock(has_tasks); + return ret; + } + +@@ -4799,13 +4840,13 @@ static ssize_t cgroup_procs_write(struct kernfs_open_file *of, + struct task_struct *task; + const struct cred *saved_cred; + ssize_t ret; +- bool locked; ++ bool threadgroup_locked; + + dst_cgrp = cgroup_kn_lock_live(of->kn, false); + if (!dst_cgrp) + return -ENODEV; + +- task = cgroup_procs_write_start(buf, true, &locked); ++ task = cgroup_procs_write_start(buf, true, &threadgroup_locked); + ret = PTR_ERR_OR_ZERO(task); + if (ret) + goto out_unlock; +@@ -4831,7 +4872,7 @@ static ssize_t cgroup_procs_write(struct kernfs_open_file *of, + ret = cgroup_attach_task(dst_cgrp, task, true); + + out_finish: +- cgroup_procs_write_finish(task, locked); ++ cgroup_procs_write_finish(task, threadgroup_locked); + out_unlock: + cgroup_kn_unlock(of->kn); + +diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c +index c51863b63f93a..b7830f1f1f3a5 100644 +--- a/kernel/cgroup/cpuset.c ++++ b/kernel/cgroup/cpuset.c +@@ -2212,7 +2212,7 @@ static void cpuset_attach(struct cgroup_taskset *tset) + cgroup_taskset_first(tset, &css); + cs = css_cs(css); + +- cpus_read_lock(); ++ lockdep_assert_cpus_held(); /* see cgroup_attach_lock() */ + percpu_down_write(&cpuset_rwsem); + + /* prepare for attach */ +@@ -2268,7 +2268,6 @@ static void cpuset_attach(struct cgroup_taskset *tset) + wake_up(&cpuset_attach_wq); + + percpu_up_write(&cpuset_rwsem); +- cpus_read_unlock(); + } + + /* The various types of files and directories in a cpuset file system */ +diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c +index 274587a57717f..4a9831d01f0ea 100644 +--- a/kernel/dma/swiotlb.c ++++ b/kernel/dma/swiotlb.c +@@ -452,7 +452,10 @@ static void swiotlb_bounce(phys_addr_t orig_addr, phys_addr_t tlb_addr, + } + } + +-#define slot_addr(start, idx) ((start) + ((idx) << IO_TLB_SHIFT)) ++static inline phys_addr_t slot_addr(phys_addr_t start, phys_addr_t idx) ++{ ++ return start + (idx << IO_TLB_SHIFT); ++} + + /* + * Return the offset into a iotlb slot required to keep the device happy. +diff --git a/kernel/fork.c b/kernel/fork.c +index a78c0b02edd55..b877480c901f0 100644 +--- a/kernel/fork.c ++++ b/kernel/fork.c +@@ -1127,6 +1127,7 @@ void mmput_async(struct mm_struct *mm) + schedule_work(&mm->async_put_work); + } + } ++EXPORT_SYMBOL_GPL(mmput_async); + #endif + + /** +diff --git a/kernel/kprobes.c b/kernel/kprobes.c +index a93407da0ae10..dac82a0e7c0b0 100644 +--- a/kernel/kprobes.c ++++ b/kernel/kprobes.c +@@ -1642,6 +1642,7 @@ static int check_kprobe_address_safe(struct kprobe *p, + /* Ensure it is not in reserved area nor out of text */ + if (!(core_kernel_text((unsigned long) p->addr) || + is_module_text_address((unsigned long) p->addr)) || ++ in_gate_area_no_mm((unsigned long) p->addr) || + within_kprobe_blacklist((unsigned long) p->addr) || + jump_label_text_reserved(p->addr, p->addr) || + static_call_text_reserved(p->addr, p->addr) || +diff --git a/mm/kmemleak.c b/mm/kmemleak.c +index 5bfae0686199e..4801751cb6b6d 100644 +--- a/mm/kmemleak.c ++++ b/mm/kmemleak.c +@@ -1123,7 +1123,7 @@ EXPORT_SYMBOL(kmemleak_no_scan); + void __ref kmemleak_alloc_phys(phys_addr_t phys, size_t size, int min_count, + gfp_t gfp) + { +- if (PHYS_PFN(phys) >= min_low_pfn && PHYS_PFN(phys) < max_low_pfn) ++ if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn) + kmemleak_alloc(__va(phys), size, min_count, gfp); + } + EXPORT_SYMBOL(kmemleak_alloc_phys); +@@ -1137,7 +1137,7 @@ EXPORT_SYMBOL(kmemleak_alloc_phys); + */ + void __ref kmemleak_free_part_phys(phys_addr_t phys, size_t size) + { +- if (PHYS_PFN(phys) >= min_low_pfn && PHYS_PFN(phys) < max_low_pfn) ++ if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn) + kmemleak_free_part(__va(phys), size); + } + EXPORT_SYMBOL(kmemleak_free_part_phys); +@@ -1149,7 +1149,7 @@ EXPORT_SYMBOL(kmemleak_free_part_phys); + */ + void __ref kmemleak_not_leak_phys(phys_addr_t phys) + { +- if (PHYS_PFN(phys) >= min_low_pfn && PHYS_PFN(phys) < max_low_pfn) ++ if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn) + kmemleak_not_leak(__va(phys)); + } + EXPORT_SYMBOL(kmemleak_not_leak_phys); +@@ -1161,7 +1161,7 @@ EXPORT_SYMBOL(kmemleak_not_leak_phys); + */ + void __ref kmemleak_ignore_phys(phys_addr_t phys) + { +- if (PHYS_PFN(phys) >= min_low_pfn && PHYS_PFN(phys) < max_low_pfn) ++ if (!IS_ENABLED(CONFIG_HIGHMEM) || PHYS_PFN(phys) < max_low_pfn) + kmemleak_ignore(__va(phys)); + } + EXPORT_SYMBOL(kmemleak_ignore_phys); +diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c +index 10a2c7bca7199..a718204c4bfdd 100644 +--- a/net/bridge/br_netfilter_hooks.c ++++ b/net/bridge/br_netfilter_hooks.c +@@ -384,6 +384,7 @@ static int br_nf_pre_routing_finish(struct net *net, struct sock *sk, struct sk_ + /* - Bridged-and-DNAT'ed traffic doesn't + * require ip_forwarding. */ + if (rt->dst.dev == dev) { ++ skb_dst_drop(skb); + skb_dst_set(skb, &rt->dst); + goto bridged_dnat; + } +@@ -413,6 +414,7 @@ bridged_dnat: + kfree_skb(skb); + return 0; + } ++ skb_dst_drop(skb); + skb_dst_set_noref(skb, &rt->dst); + } + +diff --git a/net/bridge/br_netfilter_ipv6.c b/net/bridge/br_netfilter_ipv6.c +index e4e0c836c3f51..6b07f30675bb0 100644 +--- a/net/bridge/br_netfilter_ipv6.c ++++ b/net/bridge/br_netfilter_ipv6.c +@@ -197,6 +197,7 @@ static int br_nf_pre_routing_finish_ipv6(struct net *net, struct sock *sk, struc + kfree_skb(skb); + return 0; + } ++ skb_dst_drop(skb); + skb_dst_set_noref(skb, &rt->dst); + } + +diff --git a/net/core/skbuff.c b/net/core/skbuff.c +index 635cabcf8794f..7bdcdad58dc86 100644 +--- a/net/core/skbuff.c ++++ b/net/core/skbuff.c +@@ -3986,9 +3986,8 @@ normal: + SKB_GSO_CB(nskb)->csum_start = + skb_headroom(nskb) + doffset; + } else { +- skb_copy_bits(head_skb, offset, +- skb_put(nskb, len), +- len); ++ if (skb_copy_bits(head_skb, offset, skb_put(nskb, len), len)) ++ goto err; + } + continue; + } +diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c +index e62500d6fe0d0..4ecd85b1e806c 100644 +--- a/net/ipv4/tcp_input.c ++++ b/net/ipv4/tcp_input.c +@@ -2496,6 +2496,21 @@ static inline bool tcp_may_undo(const struct tcp_sock *tp) + return tp->undo_marker && (!tp->undo_retrans || tcp_packet_delayed(tp)); + } + ++static bool tcp_is_non_sack_preventing_reopen(struct sock *sk) ++{ ++ struct tcp_sock *tp = tcp_sk(sk); ++ ++ if (tp->snd_una == tp->high_seq && tcp_is_reno(tp)) { ++ /* Hold old state until something *above* high_seq ++ * is ACKed. For Reno it is MUST to prevent false ++ * fast retransmits (RFC2582). SACK TCP is safe. */ ++ if (!tcp_any_retrans_done(sk)) ++ tp->retrans_stamp = 0; ++ return true; ++ } ++ return false; ++} ++ + /* People celebrate: "We love our President!" */ + static bool tcp_try_undo_recovery(struct sock *sk) + { +@@ -2518,14 +2533,8 @@ static bool tcp_try_undo_recovery(struct sock *sk) + } else if (tp->rack.reo_wnd_persist) { + tp->rack.reo_wnd_persist--; + } +- if (tp->snd_una == tp->high_seq && tcp_is_reno(tp)) { +- /* Hold old state until something *above* high_seq +- * is ACKed. For Reno it is MUST to prevent false +- * fast retransmits (RFC2582). SACK TCP is safe. */ +- if (!tcp_any_retrans_done(sk)) +- tp->retrans_stamp = 0; ++ if (tcp_is_non_sack_preventing_reopen(sk)) + return true; +- } + tcp_set_ca_state(sk, TCP_CA_Open); + tp->is_sack_reneg = 0; + return false; +@@ -2561,6 +2570,8 @@ static bool tcp_try_undo_loss(struct sock *sk, bool frto_undo) + NET_INC_STATS(sock_net(sk), + LINUX_MIB_TCPSPURIOUSRTOS); + inet_csk(sk)->icsk_retransmits = 0; ++ if (tcp_is_non_sack_preventing_reopen(sk)) ++ return true; + if (frto_undo || tcp_is_sack(tp)) { + tcp_set_ca_state(sk, TCP_CA_Open); + tp->is_sack_reneg = 0; +diff --git a/net/ipv6/seg6.c b/net/ipv6/seg6.c +index d2f8138e5a73a..2278c0234c497 100644 +--- a/net/ipv6/seg6.c ++++ b/net/ipv6/seg6.c +@@ -135,6 +135,11 @@ static int seg6_genl_sethmac(struct sk_buff *skb, struct genl_info *info) + goto out_unlock; + } + ++ if (slen > nla_len(info->attrs[SEG6_ATTR_SECRET])) { ++ err = -EINVAL; ++ goto out_unlock; ++ } ++ + if (hinfo) { + err = seg6_hmac_info_del(net, hmackeyid); + if (err) +diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c +index e40988a2f22fb..26245419ef4a9 100644 +--- a/net/netfilter/nf_conntrack_irc.c ++++ b/net/netfilter/nf_conntrack_irc.c +@@ -185,8 +185,9 @@ static int help(struct sk_buff *skb, unsigned int protoff, + + /* dcc_ip can be the internal OR external (NAT'ed) IP */ + tuple = &ct->tuplehash[dir].tuple; +- if (tuple->src.u3.ip != dcc_ip && +- tuple->dst.u3.ip != dcc_ip) { ++ if ((tuple->src.u3.ip != dcc_ip && ++ ct->tuplehash[!dir].tuple.dst.u3.ip != dcc_ip) || ++ dcc_port == 0) { + net_warn_ratelimited("Forged DCC command from %pI4: %pI4:%u\n", + &tuple->src.u3.ip, + &dcc_ip, dcc_port); +diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c +index 1b039476e4d6a..b8e7e1c5c08a8 100644 +--- a/net/netfilter/nf_tables_api.c ++++ b/net/netfilter/nf_tables_api.c +@@ -1971,8 +1971,10 @@ static int nft_basechain_init(struct nft_base_chain *basechain, u8 family, + chain->flags |= NFT_CHAIN_BASE | flags; + basechain->policy = NF_ACCEPT; + if (chain->flags & NFT_CHAIN_HW_OFFLOAD && +- !nft_chain_offload_support(basechain)) ++ !nft_chain_offload_support(basechain)) { ++ list_splice_init(&basechain->hook_list, &hook->list); + return -EOPNOTSUPP; ++ } + + flow_block_init(&basechain->flow_block); + +diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c +index f114dc2af5cf3..5345e8eefd33c 100644 +--- a/net/rxrpc/rxkad.c ++++ b/net/rxrpc/rxkad.c +@@ -451,7 +451,7 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb, + * directly into the target buffer. + */ + sg = _sg; +- nsg = skb_shinfo(skb)->nr_frags; ++ nsg = skb_shinfo(skb)->nr_frags + 1; + if (nsg <= 4) { + nsg = 4; + } else { +diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c +index da047a37a3bf3..b2724057629f6 100644 +--- a/net/sched/sch_sfb.c ++++ b/net/sched/sch_sfb.c +@@ -135,15 +135,15 @@ static void increment_one_qlen(u32 sfbhash, u32 slot, struct sfb_sched_data *q) + } + } + +-static void increment_qlen(const struct sk_buff *skb, struct sfb_sched_data *q) ++static void increment_qlen(const struct sfb_skb_cb *cb, struct sfb_sched_data *q) + { + u32 sfbhash; + +- sfbhash = sfb_hash(skb, 0); ++ sfbhash = cb->hashes[0]; + if (sfbhash) + increment_one_qlen(sfbhash, 0, q); + +- sfbhash = sfb_hash(skb, 1); ++ sfbhash = cb->hashes[1]; + if (sfbhash) + increment_one_qlen(sfbhash, 1, q); + } +@@ -281,8 +281,10 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch, + { + + struct sfb_sched_data *q = qdisc_priv(sch); ++ unsigned int len = qdisc_pkt_len(skb); + struct Qdisc *child = q->qdisc; + struct tcf_proto *fl; ++ struct sfb_skb_cb cb; + int i; + u32 p_min = ~0; + u32 minqlen = ~0; +@@ -399,11 +401,12 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch, + } + + enqueue: ++ memcpy(&cb, sfb_skb_cb(skb), sizeof(cb)); + ret = qdisc_enqueue(skb, child, to_free); + if (likely(ret == NET_XMIT_SUCCESS)) { +- qdisc_qstats_backlog_inc(sch, skb); ++ sch->qstats.backlog += len; + sch->q.qlen++; +- increment_qlen(skb, q); ++ increment_qlen(&cb, q); + } else if (net_xmit_drop_count(ret)) { + q->stats.childdrop++; + qdisc_qstats_drop(sch); +diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c +index a37190da5a504..1d90f39129ca0 100644 +--- a/net/tipc/monitor.c ++++ b/net/tipc/monitor.c +@@ -130,7 +130,7 @@ static void map_set(u64 *up_map, int i, unsigned int v) + + static int map_get(u64 up_map, int i) + { +- return (up_map & (1 << i)) >> i; ++ return (up_map & (1ULL << i)) >> i; + } + + static struct tipc_peer *peer_prev(struct tipc_peer *peer) +diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c +index 2c5f7e905ab8f..fb45a32d99cd9 100644 +--- a/sound/drivers/aloop.c ++++ b/sound/drivers/aloop.c +@@ -606,17 +606,18 @@ static unsigned int loopback_jiffies_timer_pos_update + cable->streams[SNDRV_PCM_STREAM_PLAYBACK]; + struct loopback_pcm *dpcm_capt = + cable->streams[SNDRV_PCM_STREAM_CAPTURE]; +- unsigned long delta_play = 0, delta_capt = 0; ++ unsigned long delta_play = 0, delta_capt = 0, cur_jiffies; + unsigned int running, count1, count2; + ++ cur_jiffies = jiffies; + running = cable->running ^ cable->pause; + if (running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) { +- delta_play = jiffies - dpcm_play->last_jiffies; ++ delta_play = cur_jiffies - dpcm_play->last_jiffies; + dpcm_play->last_jiffies += delta_play; + } + + if (running & (1 << SNDRV_PCM_STREAM_CAPTURE)) { +- delta_capt = jiffies - dpcm_capt->last_jiffies; ++ delta_capt = cur_jiffies - dpcm_capt->last_jiffies; + dpcm_capt->last_jiffies += delta_capt; + } + +diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c +index b2ddabb994381..8d2c101d66a23 100644 +--- a/sound/pci/emu10k1/emupcm.c ++++ b/sound/pci/emu10k1/emupcm.c +@@ -123,7 +123,7 @@ static int snd_emu10k1_pcm_channel_alloc(struct snd_emu10k1_pcm * epcm, int voic + epcm->voices[0]->epcm = epcm; + if (voices > 1) { + for (i = 1; i < voices; i++) { +- epcm->voices[i] = &epcm->emu->voices[epcm->voices[0]->number + i]; ++ epcm->voices[i] = &epcm->emu->voices[(epcm->voices[0]->number + i) % NUM_G]; + epcm->voices[i]->epcm = epcm; + } + } +diff --git a/sound/soc/atmel/mchp-spdiftx.c b/sound/soc/atmel/mchp-spdiftx.c +index 3bd350afb7434..0d2e3fa21519c 100644 +--- a/sound/soc/atmel/mchp-spdiftx.c ++++ b/sound/soc/atmel/mchp-spdiftx.c +@@ -196,8 +196,7 @@ struct mchp_spdiftx_dev { + struct clk *pclk; + struct clk *gclk; + unsigned int fmt; +- const struct mchp_i2s_caps *caps; +- int gclk_enabled:1; ++ unsigned int gclk_enabled:1; + }; + + static inline int mchp_spdiftx_is_running(struct mchp_spdiftx_dev *dev) +@@ -766,8 +765,6 @@ static const struct of_device_id mchp_spdiftx_dt_ids[] = { + MODULE_DEVICE_TABLE(of, mchp_spdiftx_dt_ids); + static int mchp_spdiftx_probe(struct platform_device *pdev) + { +- struct device_node *np = pdev->dev.of_node; +- const struct of_device_id *match; + struct mchp_spdiftx_dev *dev; + struct resource *mem; + struct regmap *regmap; +@@ -781,11 +778,6 @@ static int mchp_spdiftx_probe(struct platform_device *pdev) + if (!dev) + return -ENOMEM; + +- /* Get hardware capabilities. */ +- match = of_match_node(mchp_spdiftx_dt_ids, np); +- if (match) +- dev->caps = match->data; +- + /* Map I/O registers. */ + base = devm_platform_get_and_ioremap_resource(pdev, 0, &mem); + if (IS_ERR(base)) +diff --git a/sound/usb/card.c b/sound/usb/card.c +index a3e06a71cf356..6b172db58a310 100644 +--- a/sound/usb/card.c ++++ b/sound/usb/card.c +@@ -667,7 +667,7 @@ static bool check_delayed_register_option(struct snd_usb_audio *chip, int iface) + if (delayed_register[i] && + sscanf(delayed_register[i], "%x:%x", &id, &inum) == 2 && + id == chip->usb_id) +- return inum != iface; ++ return iface < inum; + } + + return false; +diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c +index 6333a2ecb848a..41f5d8242478f 100644 +--- a/sound/usb/quirks.c ++++ b/sound/usb/quirks.c +@@ -1911,7 +1911,7 @@ bool snd_usb_registration_quirk(struct snd_usb_audio *chip, int iface) + + for (q = registration_quirks; q->usb_id; q++) + if (chip->usb_id == q->usb_id) +- return iface != q->interface; ++ return iface < q->interface; + + /* Register as normal */ + return false; +diff --git a/sound/usb/stream.c b/sound/usb/stream.c +index 2f6d39c2ba7c8..c4f4585f9b851 100644 +--- a/sound/usb/stream.c ++++ b/sound/usb/stream.c +@@ -496,6 +496,10 @@ static int __snd_usb_add_audio_stream(struct snd_usb_audio *chip, + return 0; + } + } ++ ++ if (chip->card->registered) ++ chip->need_delayed_register = true; ++ + /* look for an empty stream */ + list_for_each_entry(as, &chip->pcm_list, list) { + if (as->fmt_type != fp->fmt_type) +@@ -503,9 +507,6 @@ static int __snd_usb_add_audio_stream(struct snd_usb_audio *chip, + subs = &as->substream[stream]; + if (subs->ep_num) + continue; +- if (snd_device_get_state(chip->card, as->pcm) != +- SNDRV_DEV_BUILD) +- chip->need_delayed_register = true; + err = snd_pcm_new_stream(as->pcm, stream, 1); + if (err < 0) + return err; +@@ -1106,7 +1107,7 @@ static int __snd_usb_parse_audio_interface(struct snd_usb_audio *chip, + * Dallas DS4201 workaround: It presents 5 altsettings, but the last + * one misses syncpipe, and does not produce any sound. + */ +- if (chip->usb_id == USB_ID(0x04fa, 0x4201)) ++ if (chip->usb_id == USB_ID(0x04fa, 0x4201) && num >= 4) + num = 4; + + for (i = 0; i < num; i++) { |