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Message-Id: <1645618019150254@kroah.com>
Date: Wed, 23 Feb 2022 13:07:00 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.4.181
diff --git a/Makefile b/Makefile
index 6eb664564714..afe2420bb3de 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 180
+SUBLEVEL = 181
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 46012ca812f4..1bd64f6ba8cf 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -263,9 +263,9 @@ static int __init omapdss_init_of(void)
}
r = of_platform_populate(node, NULL, NULL, &pdev->dev);
+ put_device(&pdev->dev);
if (r) {
pr_err("Unable to populate DSS submodule devices\n");
- put_device(&pdev->dev);
return r;
}
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 6289b288d60a..202b740adee0 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -782,8 +782,10 @@ static int __init _init_clkctrl_providers(void)
for_each_matching_node(np, ti_clkctrl_match_table) {
ret = _setup_clkctrl_provider(np);
- if (ret)
+ if (ret) {
+ of_node_put(np);
break;
+ }
}
return ret;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 9533c85fb0a3..d2d255a988a8 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -76,6 +76,12 @@
no-map;
};
+ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
+ secmon_reserved_bl32: secmon@...0000 {
+ reg = <0x0 0x05300000 0x0 0x2000000>;
+ no-map;
+ };
+
linux,cma {
compatible = "shared-dma-pool";
reusable;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
index b8d9e92197ac..c76bf498ee38 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
@@ -157,14 +157,6 @@
regulator-always-on;
};
- reserved-memory {
- /* TEE Reserved Memory */
- bl32_reserved: bl32@...0000 {
- reg = <0x0 0x05300000 0x0 0x2000000>;
- no-map;
- };
- };
-
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index ce230d6ac35c..ad7bc0eec668 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -41,6 +41,12 @@
no-map;
};
+ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */
+ secmon_reserved_bl32: secmon@...0000 {
+ reg = <0x0 0x05300000 0x0 0x2000000>;
+ no-map;
+ };
+
linux,cma {
compatible = "shared-dma-pool";
reusable;
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
index 29ac78ddc057..85fb59060cdf 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
@@ -164,14 +164,6 @@
regulator-always-on;
};
- reserved-memory {
- /* TEE Reserved Memory */
- bl32_reserved: bl32@...0000 {
- reg = <0x0 0x05300000 0x0 0x2000000>;
- no-map;
- };
- };
-
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c
index 06e56b470315..822718eafdb4 100644
--- a/arch/arm64/kernel/ftrace.c
+++ b/arch/arm64/kernel/ftrace.c
@@ -73,9 +73,21 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
if (offset < -SZ_128M || offset >= SZ_128M) {
#ifdef CONFIG_ARM64_MODULE_PLTS
- struct plt_entry trampoline, *dst;
struct module *mod;
+ /*
+ * There is only one ftrace trampoline per module. For now,
+ * this is not a problem since on arm64, all dynamic ftrace
+ * invocations are routed via ftrace_caller(). This will need
+ * to be revisited if support for multiple ftrace entry points
+ * is added in the future, but for now, the pr_err() below
+ * deals with a theoretical issue only.
+ */
+ if (addr != FTRACE_ADDR) {
+ pr_err("ftrace: far branches to multiple entry points unsupported inside a single module\n");
+ return -EINVAL;
+ }
+
/*
* On kernels that support module PLTs, the offset between the
* branch instruction and its target may legally exceed the
@@ -93,46 +105,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
if (WARN_ON(!mod))
return -EINVAL;
- /*
- * There is only one ftrace trampoline per module. For now,
- * this is not a problem since on arm64, all dynamic ftrace
- * invocations are routed via ftrace_caller(). This will need
- * to be revisited if support for multiple ftrace entry points
- * is added in the future, but for now, the pr_err() below
- * deals with a theoretical issue only.
- *
- * Note that PLTs are place relative, and plt_entries_equal()
- * checks whether they point to the same target. Here, we need
- * to check if the actual opcodes are in fact identical,
- * regardless of the offset in memory so use memcmp() instead.
- */
- dst = mod->arch.ftrace_trampoline;
- trampoline = get_plt_entry(addr, dst);
- if (memcmp(dst, &trampoline, sizeof(trampoline))) {
- if (plt_entry_is_initialized(dst)) {
- pr_err("ftrace: far branches to multiple entry points unsupported inside a single module\n");
- return -EINVAL;
- }
-
- /* point the trampoline to our ftrace entry point */
- module_disable_ro(mod);
- *dst = trampoline;
- module_enable_ro(mod, true);
-
- /*
- * Ensure updated trampoline is visible to instruction
- * fetch before we patch in the branch. Although the
- * architecture doesn't require an IPI in this case,
- * Neoverse-N1 erratum #1542419 does require one
- * if the TLB maintenance in module_enable_ro() is
- * skipped due to rodata_enabled. It doesn't seem worth
- * it to make it conditional given that this is
- * certainly not a fast-path.
- */
- flush_icache_range((unsigned long)&dst[0],
- (unsigned long)&dst[1]);
- }
- addr = (unsigned long)dst;
+ addr = (unsigned long)mod->arch.ftrace_trampoline;
#else /* CONFIG_ARM64_MODULE_PLTS */
return -EINVAL;
#endif /* CONFIG_ARM64_MODULE_PLTS */
diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
index 03ff15bffbb6..d0692ecb99bb 100644
--- a/arch/arm64/kernel/module.c
+++ b/arch/arm64/kernel/module.c
@@ -9,6 +9,7 @@
#include <linux/bitops.h>
#include <linux/elf.h>
+#include <linux/ftrace.h>
#include <linux/gfp.h>
#include <linux/kasan.h>
#include <linux/kernel.h>
@@ -470,22 +471,48 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
return -ENOEXEC;
}
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *me)
+static const Elf_Shdr *find_section(const Elf_Ehdr *hdr,
+ const Elf_Shdr *sechdrs,
+ const char *name)
{
const Elf_Shdr *s, *se;
const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) {
- if (strcmp(".altinstructions", secstrs + s->sh_name) == 0)
- apply_alternatives_module((void *)s->sh_addr, s->sh_size);
-#ifdef CONFIG_ARM64_MODULE_PLTS
- if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE) &&
- !strcmp(".text.ftrace_trampoline", secstrs + s->sh_name))
- me->arch.ftrace_trampoline = (void *)s->sh_addr;
-#endif
+ if (strcmp(name, secstrs + s->sh_name) == 0)
+ return s;
}
+ return NULL;
+}
+
+static int module_init_ftrace_plt(const Elf_Ehdr *hdr,
+ const Elf_Shdr *sechdrs,
+ struct module *mod)
+{
+#if defined(CONFIG_ARM64_MODULE_PLTS) && defined(CONFIG_DYNAMIC_FTRACE)
+ const Elf_Shdr *s;
+ struct plt_entry *plt;
+
+ s = find_section(hdr, sechdrs, ".text.ftrace_trampoline");
+ if (!s)
+ return -ENOEXEC;
+
+ plt = (void *)s->sh_addr;
+ *plt = get_plt_entry(FTRACE_ADDR, plt);
+ mod->arch.ftrace_trampoline = plt;
+#endif
return 0;
}
+
+int module_finalize(const Elf_Ehdr *hdr,
+ const Elf_Shdr *sechdrs,
+ struct module *me)
+{
+ const Elf_Shdr *s;
+ s = find_section(hdr, sechdrs, ".altinstructions");
+ if (s)
+ apply_alternatives_module((void *)s->sh_addr, s->sh_size);
+
+ return module_init_ftrace_plt(hdr, sechdrs, me);
+}
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index caa90ae0b4ac..04460c2d2f8c 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -65,7 +65,6 @@ KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
-DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
-KBUILD_LDS_MODULE += $(srctree)/arch/parisc/kernel/module.lds
endif
OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index ac5f34993b53..1c50093e2ebe 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -43,6 +43,7 @@
#include <linux/elf.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
+#include <linux/ftrace.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/bug.h>
@@ -862,7 +863,7 @@ int module_finalize(const Elf_Ehdr *hdr,
const char *strtab = NULL;
const Elf_Shdr *s;
char *secstrings;
- int err, symindex = -1;
+ int symindex = -1;
Elf_Sym *newptr, *oldptr;
Elf_Shdr *symhdr = NULL;
#ifdef DEBUG
@@ -946,11 +947,13 @@ int module_finalize(const Elf_Ehdr *hdr,
/* patch .altinstructions */
apply_alternatives(aseg, aseg + s->sh_size, me->name);
+#ifdef CONFIG_DYNAMIC_FTRACE
/* For 32 bit kernels we're compiling modules with
* -ffunction-sections so we must relocate the addresses in the
- *__mcount_loc section.
+ * ftrace callsite section.
*/
- if (symindex != -1 && !strcmp(secname, "__mcount_loc")) {
+ if (symindex != -1 && !strcmp(secname, FTRACE_CALLSITE_SECTION)) {
+ int err;
if (s->sh_type == SHT_REL)
err = apply_relocate((Elf_Shdr *)sechdrs,
strtab, symindex,
@@ -962,6 +965,7 @@ int module_finalize(const Elf_Ehdr *hdr,
if (err)
return err;
}
+#endif
}
return 0;
}
diff --git a/arch/parisc/kernel/module.lds b/arch/parisc/kernel/module.lds
deleted file mode 100644
index 1a9a92aca5c8..000000000000
--- a/arch/parisc/kernel/module.lds
+++ /dev/null
@@ -1,7 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-SECTIONS {
- __mcount_loc : {
- *(__patchable_function_entries)
- }
-}
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index d769d61cde7c..15b7dae1808d 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -347,9 +347,9 @@ static void __init setup_bootmem(void)
static bool kernel_set_to_readonly;
-static void __init map_pages(unsigned long start_vaddr,
- unsigned long start_paddr, unsigned long size,
- pgprot_t pgprot, int force)
+static void __ref map_pages(unsigned long start_vaddr,
+ unsigned long start_paddr, unsigned long size,
+ pgprot_t pgprot, int force)
{
pgd_t *pg_dir;
pmd_t *pmd;
@@ -485,7 +485,7 @@ void __init set_kernel_text_rw(int enable_read_write)
flush_tlb_all();
}
-void __ref free_initmem(void)
+void free_initmem(void)
{
unsigned long init_begin = (unsigned long)__init_begin;
unsigned long init_end = (unsigned long)__init_end;
@@ -499,7 +499,6 @@ void __ref free_initmem(void)
/* The init text pages are marked R-X. We have to
* flush the icache and mark them RW-
*
- * This is tricky, because map_pages is in the init section.
* Do a dummy remap of the data section first (the data
* section is already PAGE_KERNEL) to pull in the TLB entries
* for map_kernel */
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index c077acb983a1..dc6728dacbc6 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -2787,12 +2787,14 @@ void emulate_update_regs(struct pt_regs *regs, struct instruction_op *op)
case BARRIER_EIEIO:
eieio();
break;
+#ifdef CONFIG_PPC64
case BARRIER_LWSYNC:
asm volatile("lwsync" : : : "memory");
break;
case BARRIER_PTESYNC:
asm volatile("ptesync" : : : "memory");
break;
+#endif
}
break;
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index 46875bbd0419..e0e3776059af 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -191,7 +191,7 @@ void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel)
}
if (type == PERF_TYPE_RAW)
- config = eventsel & X86_RAW_EVENT_MASK;
+ config = eventsel & AMD64_RAW_EVENT_MASK;
pmc_reprogram_counter(pmc, type, config,
!(eventsel & ARCH_PERFMON_EVENTSEL_USR),
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 425444d08071..2f84509f2828 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -4585,8 +4585,6 @@ static int avic_incomplete_ipi_interception(struct vcpu_svm *svm)
break;
}
case AVIC_IPI_FAILURE_INVALID_TARGET:
- WARN_ONCE(1, "Invalid IPI target: index=%u, vcpu=%d, icr=%#0x:%#0x\n",
- index, svm->vcpu.vcpu_id, icrh, icrl);
break;
case AVIC_IPI_FAILURE_INVALID_BACKING_PAGE:
WARN_ONCE(1, "Invalid backing page\n");
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 73bffd7af15c..1a0c581512f2 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -6389,6 +6389,8 @@ static void bfq_exit_queue(struct elevator_queue *e)
spin_unlock_irq(&bfqd->lock);
#endif
+ wbt_enable_default(bfqd->queue);
+
kfree(bfqd);
}
diff --git a/block/elevator.c b/block/elevator.c
index 076ba7308e65..78805c74ea8a 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -522,8 +522,6 @@ void elv_unregister_queue(struct request_queue *q)
kobject_del(&e->kobj);
e->registered = 0;
- /* Re-enable throttling in case elevator disabled it */
- wbt_enable_default(q);
}
}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 92fb1f5b240e..dca1590f295d 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4595,6 +4595,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* devices that don't properly handle TRIM commands */
{ "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, },
+ { "M88V29*", NULL, ATA_HORKAGE_NOTRIM, },
/*
* As defined, the DRAT (Deterministic Read After Trim) and RZAT
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index f63d141481a3..9aae6b3da356 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1726,11 +1726,13 @@ static irqreturn_t at_xdmac_interrupt(int irq, void *dev_id)
static void at_xdmac_issue_pending(struct dma_chan *chan)
{
struct at_xdmac_chan *atchan = to_at_xdmac_chan(chan);
+ unsigned long flags;
dev_dbg(chan2dev(&atchan->chan), "%s\n", __func__);
- if (!at_xdmac_chan_is_cyclic(atchan))
- at_xdmac_advance_work(atchan);
+ spin_lock_irqsave(&atchan->lock, flags);
+ at_xdmac_advance_work(atchan);
+ spin_unlock_irqrestore(&atchan->lock, flags);
return;
}
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 89eb9ea25814..eba942441e38 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1825,7 +1825,9 @@ static int rcar_dmac_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, dmac);
dmac->dev->dma_parms = &dmac->parms;
dma_set_max_seg_size(dmac->dev, RCAR_DMATCR_MASK);
- dma_set_mask_and_coherent(dmac->dev, DMA_BIT_MASK(40));
+ ret = dma_set_mask_and_coherent(dmac->dev, DMA_BIT_MASK(40));
+ if (ret)
+ return ret;
ret = rcar_dmac_parse_of(&pdev->dev, dmac);
if (ret < 0)
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index e73ca303f1a7..78e4a070896f 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -263,7 +263,7 @@ void *edac_align_ptr(void **p, unsigned int size, int n_elems)
else
return (char *)ptr;
- r = (unsigned long)p % align;
+ r = (unsigned long)ptr % align;
if (r == 0)
return (char *)ptr;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 58e14d3040f0..870dd78d5a21 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1976,7 +1976,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
unsigned i;
int r;
- if (direct_submit && !ring->sched.ready) {
+ if (!direct_submit && !ring->sched.ready) {
DRM_ERROR("Trying to move memory with ring turned off.\n");
return -EINVAL;
}
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index cc8f32a1b03c..92ffed5c1d69 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -197,7 +197,8 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
* so don't register a backlight device
*/
if ((rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) &&
- (rdev->pdev->device == 0x6741))
+ (rdev->pdev->device == 0x6741) &&
+ !dmi_match(DMI_PRODUCT_NAME, "iMac12,1"))
return;
if (!radeon_encoder->enc_priv)
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 906891b03a38..7805091bac32 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -528,13 +528,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
return ret;
}
- ret = clk_prepare_enable(hdmi->vpll_clk);
- if (ret) {
- DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
- ret);
- return ret;
- }
-
hdmi->phy = devm_phy_optional_get(dev, "hdmi");
if (IS_ERR(hdmi->phy)) {
ret = PTR_ERR(hdmi->phy);
@@ -543,6 +536,13 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
return ret;
}
+ ret = clk_prepare_enable(hdmi->vpll_clk);
+ if (ret) {
+ DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
+ ret);
+ return ret;
+ }
+
drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
drm_encoder_init(drm, encoder, &dw_hdmi_rockchip_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 26758ea844c9..c587a77d493c 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1311,6 +1311,7 @@
#define USB_VENDOR_ID_UGTIZER 0x2179
#define USB_DEVICE_ID_UGTIZER_TABLET_GP0610 0x0053
#define USB_DEVICE_ID_UGTIZER_TABLET_GT5040 0x0077
+#define USB_DEVICE_ID_UGTIZER_TABLET_WP5540 0x0004
#define USB_VENDOR_ID_VIEWSONIC 0x0543
#define USB_DEVICE_ID_VIEWSONIC_PD1011 0xe621
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 8a0132c54c31..45eba224cdc7 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -187,6 +187,7 @@ static const struct hid_device_id hid_quirks[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD), HID_QUIRK_NOGET },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60), HID_QUIRK_MULTI_INPUT },
+ { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_WP5540), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET), HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 2d2568dac2a6..6b7ab8f234e8 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1787,8 +1787,10 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel)
kobj->kset = dev->channels_kset;
ret = kobject_init_and_add(kobj, &vmbus_chan_ktype, NULL,
"%u", relid);
- if (ret)
+ if (ret) {
+ kobject_put(kobj);
return ret;
+ }
ret = sysfs_create_group(kobj, &vmbus_chan_group);
@@ -1797,6 +1799,7 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel)
* The calling functions' error handling paths will cleanup the
* empty channel directory.
*/
+ kobject_put(kobj);
dev_err(device, "Unable to set up channel sysfs files\n");
return ret;
}
diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
index 5e89cd6b690c..36b8aceb972f 100644
--- a/drivers/i2c/busses/i2c-brcmstb.c
+++ b/drivers/i2c/busses/i2c-brcmstb.c
@@ -640,7 +640,7 @@ static int brcmstb_i2c_probe(struct platform_device *pdev)
/* set the data in/out register size for compatible SoCs */
if (of_device_is_compatible(dev->device->of_node,
- "brcmstb,brcmper-i2c"))
+ "brcm,brcmper-i2c"))
dev->data_regsz = sizeof(u8);
else
dev->data_regsz = sizeof(u32);
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 7cd7b140dfe9..9dad45d928bf 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -313,3 +313,4 @@ static int __init plic_init(struct device_node *node,
IRQCHIP_DECLARE(sifive_plic, "sifive,plic-1.0.0", plic_init);
IRQCHIP_DECLARE(riscv_plic0, "riscv,plic0", plic_init); /* for legacy systems */
+IRQCHIP_DECLARE(thead_c900_plic, "thead,c900-plic", plic_init); /* for firmware driver */
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index e92f9373e227..362ad361d586 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1671,31 +1671,31 @@ static void mmc_blk_read_single(struct mmc_queue *mq, struct request *req)
struct mmc_card *card = mq->card;
struct mmc_host *host = card->host;
blk_status_t error = BLK_STS_OK;
- int retries = 0;
do {
u32 status;
int err;
+ int retries = 0;
- mmc_blk_rw_rq_prep(mqrq, card, 1, mq);
+ while (retries++ <= MMC_READ_SINGLE_RETRIES) {
+ mmc_blk_rw_rq_prep(mqrq, card, 1, mq);
- mmc_wait_for_req(host, mrq);
+ mmc_wait_for_req(host, mrq);
- err = mmc_send_status(card, &status);
- if (err)
- goto error_exit;
-
- if (!mmc_host_is_spi(host) &&
- !mmc_blk_in_tran_state(status)) {
- err = mmc_blk_fix_state(card, req);
+ err = mmc_send_status(card, &status);
if (err)
goto error_exit;
- }
- if (mrq->cmd->error && retries++ < MMC_READ_SINGLE_RETRIES)
- continue;
+ if (!mmc_host_is_spi(host) &&
+ !mmc_blk_in_tran_state(status)) {
+ err = mmc_blk_fix_state(card, req);
+ if (err)
+ goto error_exit;
+ }
- retries = 0;
+ if (!mrq->cmd->error)
+ break;
+ }
if (mrq->cmd->error ||
mrq->data->error ||
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 0f3c09fb9c34..bd9f45edc9a3 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -1756,7 +1756,7 @@ static int brcmnand_read_by_pio(struct mtd_info *mtd, struct nand_chip *chip,
mtd->oobsize / trans,
host->hwcfg.sector_size_1k);
- if (!ret) {
+ if (ret != -EBADMSG) {
*err_addr = brcmnand_get_uncorrecc_addr(ctrl);
if (*err_addr)
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index 515094e253dc..ab2f824abf54 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -2442,7 +2442,7 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip,
this->hw.must_apply_timings = false;
ret = gpmi_nfc_apply_timings(this);
if (ret)
- return ret;
+ goto out_pm;
}
dev_dbg(this->dev, "%s: %d instructions\n", __func__, op->ninstrs);
@@ -2571,6 +2571,7 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip,
this->bch = false;
+out_pm:
pm_runtime_mark_last_busy(this->dev);
pm_runtime_put_autosuspend(this->dev);
diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
index c10995ca624a..5af3bef6c230 100644
--- a/drivers/mtd/nand/raw/qcom_nandc.c
+++ b/drivers/mtd/nand/raw/qcom_nandc.c
@@ -2,7 +2,6 @@
/*
* Copyright (c) 2016, The Linux Foundation. All rights reserved.
*/
-
#include <linux/clk.h>
#include <linux/slab.h>
#include <linux/bitops.h>
@@ -2944,10 +2943,6 @@ static int qcom_nandc_probe(struct platform_device *pdev)
if (!nandc->base_dma)
return -ENXIO;
- ret = qcom_nandc_alloc(nandc);
- if (ret)
- goto err_nandc_alloc;
-
ret = clk_prepare_enable(nandc->core_clk);
if (ret)
goto err_core_clk;
@@ -2956,6 +2951,10 @@ static int qcom_nandc_probe(struct platform_device *pdev)
if (ret)
goto err_aon_clk;
+ ret = qcom_nandc_alloc(nandc);
+ if (ret)
+ goto err_nandc_alloc;
+
ret = qcom_nandc_setup(nandc);
if (ret)
goto err_setup;
@@ -2967,15 +2966,14 @@ static int qcom_nandc_probe(struct platform_device *pdev)
return 0;
err_setup:
+ qcom_nandc_unalloc(nandc);
+err_nandc_alloc:
clk_disable_unprepare(nandc->aon_clk);
err_aon_clk:
clk_disable_unprepare(nandc->core_clk);
err_core_clk:
- qcom_nandc_unalloc(nandc);
-err_nandc_alloc:
dma_unmap_resource(dev, res->start, resource_size(res),
DMA_BIDIRECTIONAL, 0);
-
return ret;
}
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index ed170d803247..41e58bd2e606 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -233,7 +233,7 @@ static inline int __check_agg_selection_timer(struct port *port)
if (bond == NULL)
return 0;
- return BOND_AD_INFO(bond).agg_select_timer ? 1 : 0;
+ return atomic_read(&BOND_AD_INFO(bond).agg_select_timer) ? 1 : 0;
}
/**
@@ -1985,7 +1985,7 @@ static void ad_marker_response_received(struct bond_marker *marker,
*/
void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout)
{
- BOND_AD_INFO(bond).agg_select_timer = timeout;
+ atomic_set(&BOND_AD_INFO(bond).agg_select_timer, timeout);
}
/**
@@ -2268,6 +2268,28 @@ void bond_3ad_update_ad_actor_settings(struct bonding *bond)
spin_unlock_bh(&bond->mode_lock);
}
+/**
+ * bond_agg_timer_advance - advance agg_select_timer
+ * @bond: bonding structure
+ *
+ * Return true when agg_select_timer reaches 0.
+ */
+static bool bond_agg_timer_advance(struct bonding *bond)
+{
+ int val, nval;
+
+ while (1) {
+ val = atomic_read(&BOND_AD_INFO(bond).agg_select_timer);
+ if (!val)
+ return false;
+ nval = val - 1;
+ if (atomic_cmpxchg(&BOND_AD_INFO(bond).agg_select_timer,
+ val, nval) == val)
+ break;
+ }
+ return nval == 0;
+}
+
/**
* bond_3ad_state_machine_handler - handle state machines timeout
* @bond: bonding struct to work on
@@ -2303,9 +2325,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
if (!bond_has_slaves(bond))
goto re_arm;
- /* check if agg_select_timer timer after initialize is timed out */
- if (BOND_AD_INFO(bond).agg_select_timer &&
- !(--BOND_AD_INFO(bond).agg_select_timer)) {
+ if (bond_agg_timer_advance(bond)) {
slave = bond_first_slave_rcu(bond);
port = slave ? &(SLAVE_AD_INFO(slave)->port) : NULL;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ff50ccc7dceb..d6ecd03b6045 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1979,10 +1979,9 @@ static int __bond_release_one(struct net_device *bond_dev,
bond_select_active_slave(bond);
}
- if (!bond_has_slaves(bond)) {
- bond_set_carrier(bond);
+ bond_set_carrier(bond);
+ if (!bond_has_slaves(bond))
eth_hw_addr_random(bond_dev);
- }
unblock_netpoll_tx();
synchronize_rcu();
diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index 19d1f1c51f97..4b9d5b0ce416 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -1303,7 +1303,7 @@ static int lan9303_probe_reset_gpio(struct lan9303 *chip,
struct device_node *np)
{
chip->reset_gpio = devm_gpiod_get_optional(chip->dev, "reset",
- GPIOD_OUT_LOW);
+ GPIOD_OUT_HIGH);
if (IS_ERR(chip->reset_gpio))
return PTR_ERR(chip->reset_gpio);
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index ebd0853a6f31..0dc52cf5367e 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -4284,7 +4284,7 @@ static int macb_probe(struct platform_device *pdev)
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
if (GEM_BFEXT(DAW64, gem_readl(bp, DCFG6))) {
- dma_set_mask(&pdev->dev, DMA_BIT_MASK(44));
+ dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44));
bp->hw_dma_cap |= HW_DMA_CAP_64B;
}
#endif
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 7d67f41387f5..4f5ef8a9a9a8 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -100,6 +100,7 @@ struct at86rf230_local {
unsigned long cal_timeout;
bool is_tx;
bool is_tx_from_off;
+ bool was_tx;
u8 tx_retry;
struct sk_buff *tx_skb;
struct at86rf230_state_change tx;
@@ -343,7 +344,11 @@ at86rf230_async_error_recover_complete(void *context)
if (ctx->free)
kfree(ctx);
- ieee802154_wake_queue(lp->hw);
+ if (lp->was_tx) {
+ lp->was_tx = 0;
+ dev_kfree_skb_any(lp->tx_skb);
+ ieee802154_wake_queue(lp->hw);
+ }
}
static void
@@ -352,7 +357,11 @@ at86rf230_async_error_recover(void *context)
struct at86rf230_state_change *ctx = context;
struct at86rf230_local *lp = ctx->lp;
- lp->is_tx = 0;
+ if (lp->is_tx) {
+ lp->was_tx = 1;
+ lp->is_tx = 0;
+ }
+
at86rf230_async_state_change(lp, ctx, STATE_RX_AACK_ON,
at86rf230_async_error_recover_complete);
}
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 7c131a423caf..47959aadbc50 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -2976,8 +2976,8 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw)
ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND;
ca8210_hw->phy->cca_ed_level = -9800;
ca8210_hw->phy->symbol_duration = 16;
- ca8210_hw->phy->lifs_period = 40;
- ca8210_hw->phy->sifs_period = 12;
+ ca8210_hw->phy->lifs_period = 40 * ca8210_hw->phy->symbol_duration;
+ ca8210_hw->phy->sifs_period = 12 * ca8210_hw->phy->symbol_duration;
ca8210_hw->flags =
IEEE802154_HW_AFILT |
IEEE802154_HW_OMIT_CKSUM |
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 6508d70056b3..566ea48fd607 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1355,6 +1355,8 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */
{QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */
{QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/
+ {QMI_FIXED_INTF(0x413c, 0x81e4, 0)}, /* Dell Wireless 5829e with eSIM support*/
+ {QMI_FIXED_INTF(0x413c, 0x81e6, 0)}, /* Dell Wireless 5829e */
{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
{QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */
{QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 83cb2ad03451..1848b957dc5c 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -1616,6 +1616,8 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
out_unbind:
complete(&drv->request_firmware_complete);
device_release_driver(drv->trans->dev);
+ /* drv has just been freed by the release */
+ failure = false;
free:
if (failure)
iwl_dealloc_ucode(drv);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
index ee45e475405a..fba6fff13349 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
@@ -292,8 +292,7 @@ int iwl_trans_pcie_gen2_start_fw(struct iwl_trans *trans,
/* This may fail if AMT took ownership of the device */
if (iwl_pcie_prepare_card_hw(trans)) {
IWL_WARN(trans, "Exit HW not ready\n");
- ret = -EIO;
- goto out;
+ return -EIO;
}
iwl_enable_rfkill_int(trans);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 0581f082301e..8915030030c4 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -1335,8 +1335,7 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
/* This may fail if AMT took ownership of the device */
if (iwl_pcie_prepare_card_hw(trans)) {
IWL_WARN(trans, "Exit HW not ready\n");
- ret = -EIO;
- goto out;
+ return -EIO;
}
iwl_enable_rfkill_int(trans);
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index a5b5a2305791..6a9a42809f97 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3896,7 +3896,14 @@ static void nvme_async_event_work(struct work_struct *work)
container_of(work, struct nvme_ctrl, async_event_work);
nvme_aen_uevent(ctrl);
- ctrl->ops->submit_async_event(ctrl);
+
+ /*
+ * The transport drivers must guarantee AER submission here is safe by
+ * flushing ctrl async_event_work after changing the controller state
+ * from LIVE and before freeing the admin queue.
+ */
+ if (ctrl->state == NVME_CTRL_LIVE)
+ ctrl->ops->submit_async_event(ctrl);
}
static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl)
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 08a23bb4b8b5..4213c71b02a4 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1110,6 +1110,7 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work)
struct nvme_rdma_ctrl, err_work);
nvme_stop_keep_alive(&ctrl->ctrl);
+ flush_work(&ctrl->ctrl.async_event_work);
nvme_rdma_teardown_io_queues(ctrl, false);
nvme_start_queues(&ctrl->ctrl);
nvme_rdma_teardown_admin_queue(ctrl, false);
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 1eef7ed0c302..4378344f0e7a 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -1955,6 +1955,7 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work)
struct nvme_ctrl *ctrl = &tcp_ctrl->ctrl;
nvme_stop_keep_alive(ctrl);
+ flush_work(&ctrl->async_event_work);
nvme_tcp_teardown_io_queues(ctrl, false);
/* unquiesce to fail fast pending requests */
nvme_start_queues(ctrl);
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index ad290f79983b..5013568c571e 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -1003,7 +1003,7 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
ioc->usg_calls++;
#endif
- while(sg_dma_len(sglist) && nents--) {
+ while (nents && sg_dma_len(sglist)) {
#ifdef CCIO_COLLECT_STATS
ioc->usg_pages += sg_dma_len(sglist) >> PAGE_SHIFT;
@@ -1011,6 +1011,7 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
ccio_unmap_page(dev, sg_dma_address(sglist),
sg_dma_len(sglist), direction, 0);
++sglist;
+ nents--;
}
DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents);
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index e410033b6df0..822e5d19949e 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1047,7 +1047,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
spin_unlock_irqrestore(&ioc->res_lock, flags);
#endif
- while (sg_dma_len(sglist) && nents--) {
+ while (nents && sg_dma_len(sglist)) {
sba_unmap_page(dev, sg_dma_address(sglist), sg_dma_len(sglist),
direction, 0);
@@ -1056,6 +1056,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
ioc->usingle_calls--; /* kluge since call is unmap_sg() */
#endif
++sglist;
+ nents--;
}
DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents);
diff --git a/drivers/platform/x86/intel_speed_select_if/isst_if_common.c b/drivers/platform/x86/intel_speed_select_if/isst_if_common.c
index 3de5a3c66529..cf7b6dee8219 100644
--- a/drivers/platform/x86/intel_speed_select_if/isst_if_common.c
+++ b/drivers/platform/x86/intel_speed_select_if/isst_if_common.c
@@ -529,7 +529,10 @@ static long isst_if_def_ioctl(struct file *file, unsigned int cmd,
return ret;
}
-static DEFINE_MUTEX(punit_misc_dev_lock);
+/* Lock to prevent module registration when already opened by user space */
+static DEFINE_MUTEX(punit_misc_dev_open_lock);
+/* Lock to allow one share misc device for all ISST interace */
+static DEFINE_MUTEX(punit_misc_dev_reg_lock);
static int misc_usage_count;
static int misc_device_ret;
static int misc_device_open;
@@ -539,7 +542,7 @@ static int isst_if_open(struct inode *inode, struct file *file)
int i, ret = 0;
/* Fail open, if a module is going away */
- mutex_lock(&punit_misc_dev_lock);
+ mutex_lock(&punit_misc_dev_open_lock);
for (i = 0; i < ISST_IF_DEV_MAX; ++i) {
struct isst_if_cmd_cb *cb = &punit_callbacks[i];
@@ -561,7 +564,7 @@ static int isst_if_open(struct inode *inode, struct file *file)
} else {
misc_device_open++;
}
- mutex_unlock(&punit_misc_dev_lock);
+ mutex_unlock(&punit_misc_dev_open_lock);
return ret;
}
@@ -570,7 +573,7 @@ static int isst_if_relase(struct inode *inode, struct file *f)
{
int i;
- mutex_lock(&punit_misc_dev_lock);
+ mutex_lock(&punit_misc_dev_open_lock);
misc_device_open--;
for (i = 0; i < ISST_IF_DEV_MAX; ++i) {
struct isst_if_cmd_cb *cb = &punit_callbacks[i];
@@ -578,7 +581,7 @@ static int isst_if_relase(struct inode *inode, struct file *f)
if (cb->registered)
module_put(cb->owner);
}
- mutex_unlock(&punit_misc_dev_lock);
+ mutex_unlock(&punit_misc_dev_open_lock);
return 0;
}
@@ -595,6 +598,43 @@ static struct miscdevice isst_if_char_driver = {
.fops = &isst_if_char_driver_ops,
};
+static int isst_misc_reg(void)
+{
+ mutex_lock(&punit_misc_dev_reg_lock);
+ if (misc_device_ret)
+ goto unlock_exit;
+
+ if (!misc_usage_count) {
+ misc_device_ret = isst_if_cpu_info_init();
+ if (misc_device_ret)
+ goto unlock_exit;
+
+ misc_device_ret = misc_register(&isst_if_char_driver);
+ if (misc_device_ret) {
+ isst_if_cpu_info_exit();
+ goto unlock_exit;
+ }
+ }
+ misc_usage_count++;
+
+unlock_exit:
+ mutex_unlock(&punit_misc_dev_reg_lock);
+
+ return misc_device_ret;
+}
+
+static void isst_misc_unreg(void)
+{
+ mutex_lock(&punit_misc_dev_reg_lock);
+ if (misc_usage_count)
+ misc_usage_count--;
+ if (!misc_usage_count && !misc_device_ret) {
+ misc_deregister(&isst_if_char_driver);
+ isst_if_cpu_info_exit();
+ }
+ mutex_unlock(&punit_misc_dev_reg_lock);
+}
+
/**
* isst_if_cdev_register() - Register callback for IOCTL
* @device_type: The device type this callback handling.
@@ -612,38 +652,31 @@ static struct miscdevice isst_if_char_driver = {
*/
int isst_if_cdev_register(int device_type, struct isst_if_cmd_cb *cb)
{
- if (misc_device_ret)
- return misc_device_ret;
+ int ret;
if (device_type >= ISST_IF_DEV_MAX)
return -EINVAL;
- mutex_lock(&punit_misc_dev_lock);
+ mutex_lock(&punit_misc_dev_open_lock);
+ /* Device is already open, we don't want to add new callbacks */
if (misc_device_open) {
- mutex_unlock(&punit_misc_dev_lock);
+ mutex_unlock(&punit_misc_dev_open_lock);
return -EAGAIN;
}
- if (!misc_usage_count) {
- int ret;
-
- misc_device_ret = misc_register(&isst_if_char_driver);
- if (misc_device_ret)
- goto unlock_exit;
-
- ret = isst_if_cpu_info_init();
- if (ret) {
- misc_deregister(&isst_if_char_driver);
- misc_device_ret = ret;
- goto unlock_exit;
- }
- }
memcpy(&punit_callbacks[device_type], cb, sizeof(*cb));
punit_callbacks[device_type].registered = 1;
- misc_usage_count++;
-unlock_exit:
- mutex_unlock(&punit_misc_dev_lock);
+ mutex_unlock(&punit_misc_dev_open_lock);
- return misc_device_ret;
+ ret = isst_misc_reg();
+ if (ret) {
+ /*
+ * No need of mutex as the misc device register failed
+ * as no one can open device yet. Hence no contention.
+ */
+ punit_callbacks[device_type].registered = 0;
+ return ret;
+ }
+ return 0;
}
EXPORT_SYMBOL_GPL(isst_if_cdev_register);
@@ -658,16 +691,12 @@ EXPORT_SYMBOL_GPL(isst_if_cdev_register);
*/
void isst_if_cdev_unregister(int device_type)
{
- mutex_lock(&punit_misc_dev_lock);
- misc_usage_count--;
+ isst_misc_unreg();
+ mutex_lock(&punit_misc_dev_open_lock);
punit_callbacks[device_type].registered = 0;
if (device_type == ISST_IF_DEV_MBOX)
isst_delete_hash();
- if (!misc_usage_count && !misc_device_ret) {
- misc_deregister(&isst_if_char_driver);
- isst_if_cpu_info_exit();
- }
- mutex_unlock(&punit_misc_dev_lock);
+ mutex_unlock(&punit_misc_dev_open_lock);
}
EXPORT_SYMBOL_GPL(isst_if_cdev_unregister);
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 1bf7a4152b34..088b764aefa4 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -377,6 +377,7 @@ struct lpfc_vport {
#define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */
#define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */
#define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/
+#define FC_PT2PT_NO_NVME 0x1000 /* Don't send NVME PRLI */
#define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */
#define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */
#define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index d034fe78bf93..1e59c60a9dcc 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1145,6 +1145,9 @@ lpfc_issue_lip(struct Scsi_Host *shost)
pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK;
pmboxq->u.mb.mbxOwner = OWN_HOST;
+ if ((vport->fc_flag & FC_PT2PT) && (vport->fc_flag & FC_PT2PT_NO_NVME))
+ vport->fc_flag &= ~FC_PT2PT_NO_NVME;
+
mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);
if ((mbxstatus == MBX_SUCCESS) &&
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 2040affa0887..9951d63a8b49 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1066,7 +1066,8 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/* FLOGI failed, so there is no fabric */
spin_lock_irq(shost->host_lock);
- vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
+ vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP |
+ FC_PT2PT_NO_NVME);
spin_unlock_irq(shost->host_lock);
/* If private loop, then allow max outstanding els to be
@@ -3740,6 +3741,23 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/* Added for Vendor specifc support
* Just keep retrying for these Rsn / Exp codes
*/
+ if ((vport->fc_flag & FC_PT2PT) &&
+ cmd == ELS_CMD_NVMEPRLI) {
+ switch (stat.un.b.lsRjtRsnCode) {
+ case LSRJT_UNABLE_TPC:
+ case LSRJT_INVALID_CMD:
+ case LSRJT_LOGICAL_ERR:
+ case LSRJT_CMD_UNSUPPORTED:
+ lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS,
+ "0168 NVME PRLI LS_RJT "
+ "reason %x port doesn't "
+ "support NVME, disabling NVME\n",
+ stat.un.b.lsRjtRsnCode);
+ retry = 0;
+ vport->fc_flag |= FC_PT2PT_NO_NVME;
+ goto out_retry;
+ }
+ }
switch (stat.un.b.lsRjtRsnCode) {
case LSRJT_UNABLE_TPC:
/* The driver has a VALID PLOGI but the rport has
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index fdd87508c804..df2f7c3d7f84 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1987,8 +1987,9 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
* is configured try it.
*/
ndlp->nlp_fc4_type |= NLP_FC4_FCP;
- if ((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
- (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {
+ if ((!(vport->fc_flag & FC_PT2PT_NO_NVME)) &&
+ (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH ||
+ vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {
ndlp->nlp_fc4_type |= NLP_FC4_NVME;
/* We need to update the localport also */
lpfc_nvme_update_localport(vport);
diff --git a/drivers/tty/serial/8250/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c
index 0809ae2aa9b1..51cc985216ff 100644
--- a/drivers/tty/serial/8250/8250_gsc.c
+++ b/drivers/tty/serial/8250/8250_gsc.c
@@ -26,7 +26,7 @@ static int __init serial_init_chip(struct parisc_device *dev)
unsigned long address;
int err;
-#ifdef CONFIG_64BIT
+#if defined(CONFIG_64BIT) && defined(CONFIG_IOSAPIC)
if (!dev->irq && (dev->id.sversion == 0xad))
dev->irq = iosapic_serial_irq(dev);
#endif
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index fc688af57c23..e258fc484cea 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -5005,6 +5005,10 @@ static ssize_t fill_read_buf(struct send_ctx *sctx, u64 offset, u32 len)
lock_page(page);
if (!PageUptodate(page)) {
unlock_page(page);
+ btrfs_err(fs_info,
+ "send: IO error at offset %llu for inode %llu root %llu",
+ page_offset(page), sctx->cur_ino,
+ sctx->send_root->root_key.objectid);
put_page(page);
ret = -EIO;
break;
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index ae73e6793683..f1bbce4350c4 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -133,14 +133,25 @@ static int ext4_ext_truncate_extend_restart(handle_t *handle,
static int ext4_ext_get_access(handle_t *handle, struct inode *inode,
struct ext4_ext_path *path)
{
+ int err = 0;
+
if (path->p_bh) {
/* path points to block */
BUFFER_TRACE(path->p_bh, "get_write_access");
- return ext4_journal_get_write_access(handle, path->p_bh);
+ err = ext4_journal_get_write_access(handle, path->p_bh);
+
+ /*
+ * The extent buffer's verified bit will be set again in
+ * __ext4_ext_dirty(). We could leave an inconsistent
+ * buffer if the extents updating procudure break off du
+ * to some error happens, force to check it again.
+ */
+ if (!err)
+ clear_buffer_verified(path->p_bh);
}
/* path points to leaf/index in inode body */
/* we use in-core data, no need to protect them */
- return 0;
+ return err;
}
/*
@@ -160,6 +171,9 @@ int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle,
/* path points to block */
err = __ext4_handle_dirty_metadata(where, line, handle,
inode, path->p_bh);
+ /* Extents updating done, re-set verified flag */
+ if (!err)
+ set_buffer_verified(path->p_bh);
} else {
/* path points to leaf/index in inode body */
err = ext4_mark_inode_dirty(handle, inode);
@@ -390,9 +404,13 @@ static int ext4_valid_extent_idx(struct inode *inode,
static int ext4_valid_extent_entries(struct inode *inode,
struct ext4_extent_header *eh,
+ ext4_lblk_t lblk, ext4_fsblk_t *pblk,
int depth)
{
unsigned short entries;
+ ext4_lblk_t lblock = 0;
+ ext4_lblk_t prev = 0;
+
if (eh->eh_entries == 0)
return 1;
@@ -403,32 +421,52 @@ static int ext4_valid_extent_entries(struct inode *inode,
struct ext4_extent *ext = EXT_FIRST_EXTENT(eh);
struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es;
ext4_fsblk_t pblock = 0;
- ext4_lblk_t lblock = 0;
- ext4_lblk_t prev = 0;
- int len = 0;
+
+ /*
+ * The logical block in the first entry should equal to
+ * the number in the index block.
+ */
+ if (depth != ext_depth(inode) &&
+ lblk != le32_to_cpu(ext->ee_block))
+ return 0;
while (entries) {
if (!ext4_valid_extent(inode, ext))
return 0;
/* Check for overlapping extents */
lblock = le32_to_cpu(ext->ee_block);
- len = ext4_ext_get_actual_len(ext);
if ((lblock <= prev) && prev) {
pblock = ext4_ext_pblock(ext);
es->s_last_error_block = cpu_to_le64(pblock);
return 0;
}
+ prev = lblock + ext4_ext_get_actual_len(ext) - 1;
ext++;
entries--;
- prev = lblock + len - 1;
}
} else {
struct ext4_extent_idx *ext_idx = EXT_FIRST_INDEX(eh);
+
+ /*
+ * The logical block in the first entry should equal to
+ * the number in the parent index block.
+ */
+ if (depth != ext_depth(inode) &&
+ lblk != le32_to_cpu(ext_idx->ei_block))
+ return 0;
while (entries) {
if (!ext4_valid_extent_idx(inode, ext_idx))
return 0;
+
+ /* Check for overlapping index extents */
+ lblock = le32_to_cpu(ext_idx->ei_block);
+ if ((lblock <= prev) && prev) {
+ *pblk = ext4_idx_pblock(ext_idx);
+ return 0;
+ }
ext_idx++;
entries--;
+ prev = lblock;
}
}
return 1;
@@ -436,7 +474,7 @@ static int ext4_valid_extent_entries(struct inode *inode,
static int __ext4_ext_check(const char *function, unsigned int line,
struct inode *inode, struct ext4_extent_header *eh,
- int depth, ext4_fsblk_t pblk)
+ int depth, ext4_fsblk_t pblk, ext4_lblk_t lblk)
{
const char *error_msg;
int max = 0, err = -EFSCORRUPTED;
@@ -462,7 +500,7 @@ static int __ext4_ext_check(const char *function, unsigned int line,
error_msg = "invalid eh_entries";
goto corrupted;
}
- if (!ext4_valid_extent_entries(inode, eh, depth)) {
+ if (!ext4_valid_extent_entries(inode, eh, lblk, &pblk, depth)) {
error_msg = "invalid extent entries";
goto corrupted;
}
@@ -491,7 +529,7 @@ static int __ext4_ext_check(const char *function, unsigned int line,
}
#define ext4_ext_check(inode, eh, depth, pblk) \
- __ext4_ext_check(__func__, __LINE__, (inode), (eh), (depth), (pblk))
+ __ext4_ext_check(__func__, __LINE__, (inode), (eh), (depth), (pblk), 0)
int ext4_ext_check_inode(struct inode *inode)
{
@@ -524,12 +562,14 @@ static void ext4_cache_extents(struct inode *inode,
static struct buffer_head *
__read_extent_tree_block(const char *function, unsigned int line,
- struct inode *inode, ext4_fsblk_t pblk, int depth,
- int flags)
+ struct inode *inode, struct ext4_extent_idx *idx,
+ int depth, int flags)
{
struct buffer_head *bh;
int err;
+ ext4_fsblk_t pblk;
+ pblk = ext4_idx_pblock(idx);
bh = sb_getblk_gfp(inode->i_sb, pblk, __GFP_MOVABLE | GFP_NOFS);
if (unlikely(!bh))
return ERR_PTR(-ENOMEM);
@@ -545,8 +585,8 @@ __read_extent_tree_block(const char *function, unsigned int line,
if (!ext4_has_feature_journal(inode->i_sb) ||
(inode->i_ino !=
le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum))) {
- err = __ext4_ext_check(function, line, inode,
- ext_block_hdr(bh), depth, pblk);
+ err = __ext4_ext_check(function, line, inode, ext_block_hdr(bh),
+ depth, pblk, le32_to_cpu(idx->ei_block));
if (err)
goto errout;
}
@@ -565,8 +605,8 @@ __read_extent_tree_block(const char *function, unsigned int line,
}
-#define read_extent_tree_block(inode, pblk, depth, flags) \
- __read_extent_tree_block(__func__, __LINE__, (inode), (pblk), \
+#define read_extent_tree_block(inode, idx, depth, flags) \
+ __read_extent_tree_block(__func__, __LINE__, (inode), (idx), \
(depth), (flags))
/*
@@ -613,8 +653,7 @@ int ext4_ext_precache(struct inode *inode)
i--;
continue;
}
- bh = read_extent_tree_block(inode,
- ext4_idx_pblock(path[i].p_idx++),
+ bh = read_extent_tree_block(inode, path[i].p_idx++,
depth - i - 1,
EXT4_EX_FORCE_CACHE);
if (IS_ERR(bh)) {
@@ -917,8 +956,7 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block,
path[ppos].p_depth = i;
path[ppos].p_ext = NULL;
- bh = read_extent_tree_block(inode, path[ppos].p_block, --i,
- flags);
+ bh = read_extent_tree_block(inode, path[ppos].p_idx, --i, flags);
if (IS_ERR(bh)) {
ret = PTR_ERR(bh);
goto err;
@@ -1517,7 +1555,6 @@ static int ext4_ext_search_right(struct inode *inode,
struct ext4_extent_header *eh;
struct ext4_extent_idx *ix;
struct ext4_extent *ex;
- ext4_fsblk_t block;
int depth; /* Note, NOT eh_depth; depth from top of tree */
int ee_len;
@@ -1584,20 +1621,17 @@ static int ext4_ext_search_right(struct inode *inode,
* follow it and find the closest allocated
* block to the right */
ix++;
- block = ext4_idx_pblock(ix);
while (++depth < path->p_depth) {
/* subtract from p_depth to get proper eh_depth */
- bh = read_extent_tree_block(inode, block,
- path->p_depth - depth, 0);
+ bh = read_extent_tree_block(inode, ix, path->p_depth - depth, 0);
if (IS_ERR(bh))
return PTR_ERR(bh);
eh = ext_block_hdr(bh);
ix = EXT_FIRST_INDEX(eh);
- block = ext4_idx_pblock(ix);
put_bh(bh);
}
- bh = read_extent_tree_block(inode, block, path->p_depth - depth, 0);
+ bh = read_extent_tree_block(inode, ix, path->p_depth - depth, 0);
if (IS_ERR(bh))
return PTR_ERR(bh);
eh = ext_block_hdr(bh);
@@ -3119,9 +3153,9 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
ext_debug("move to level %d (block %llu)\n",
i + 1, ext4_idx_pblock(path[i].p_idx));
memset(path + i + 1, 0, sizeof(*path));
- bh = read_extent_tree_block(inode,
- ext4_idx_pblock(path[i].p_idx), depth - i - 1,
- EXT4_EX_NOCACHE);
+ bh = read_extent_tree_block(inode, path[i].p_idx,
+ depth - i - 1,
+ EXT4_EX_NOCACHE);
if (IS_ERR(bh)) {
/* should we reset i_size? */
err = PTR_ERR(bh);
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f1c99fe486c4..28ceee102d0b 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1641,14 +1641,14 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
if (!res) {
inode = d_inode(dentry);
if ((lookup_flags & LOOKUP_DIRECTORY) && inode &&
- !S_ISDIR(inode->i_mode))
+ !(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)))
res = ERR_PTR(-ENOTDIR);
else if (inode && S_ISREG(inode->i_mode))
res = ERR_PTR(-EOPENSTALE);
} else if (!IS_ERR(res)) {
inode = d_inode(res);
if ((lookup_flags & LOOKUP_DIRECTORY) && inode &&
- !S_ISDIR(inode->i_mode)) {
+ !(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) {
dput(res);
res = ERR_PTR(-ENOTDIR);
} else if (inode && S_ISREG(inode->i_mode)) {
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 209263c0c537..3bddf5332b6d 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -791,12 +791,9 @@ int nfs_getattr(const struct path *path, struct kstat *stat,
goto out_no_update;
/* Flush out writes to the server in order to update c/mtime. */
- if ((request_mask & (STATX_CTIME|STATX_MTIME)) &&
- S_ISREG(inode->i_mode)) {
- err = filemap_write_and_wait(inode->i_mapping);
- if (err)
- goto out;
- }
+ if ((request_mask & (STATX_CTIME | STATX_MTIME)) &&
+ S_ISREG(inode->i_mode))
+ filemap_write_and_wait(inode->i_mapping);
/*
* We may force a getattr if the user cares about atime.
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 7abc3230c21a..dc5f8654b277 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -693,9 +693,14 @@ int dquot_quota_sync(struct super_block *sb, int type)
/* This is not very clever (and fast) but currently I don't know about
* any other simple way of getting quota data to disk and we must get
* them there for userspace to be visible... */
- if (sb->s_op->sync_fs)
- sb->s_op->sync_fs(sb, 1);
- sync_blockdev(sb->s_bdev);
+ if (sb->s_op->sync_fs) {
+ ret = sb->s_op->sync_fs(sb, 1);
+ if (ret)
+ return ret;
+ }
+ ret = sync_blockdev(sb->s_bdev);
+ if (ret)
+ return ret;
/*
* Now when everything is written we can discard the pagecache so
diff --git a/fs/super.c b/fs/super.c
index b289356f302f..e255c18fa2c8 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1691,11 +1691,9 @@ static void lockdep_sb_freeze_acquire(struct super_block *sb)
percpu_rwsem_acquire(sb->s_writers.rw_sem + level, 0, _THIS_IP_);
}
-static void sb_freeze_unlock(struct super_block *sb)
+static void sb_freeze_unlock(struct super_block *sb, int level)
{
- int level;
-
- for (level = SB_FREEZE_LEVELS - 1; level >= 0; level--)
+ for (level--; level >= 0; level--)
percpu_up_write(sb->s_writers.rw_sem + level);
}
@@ -1766,7 +1764,14 @@ int freeze_super(struct super_block *sb)
sb_wait_write(sb, SB_FREEZE_PAGEFAULT);
/* All writers are done so after syncing there won't be dirty data */
- sync_filesystem(sb);
+ ret = sync_filesystem(sb);
+ if (ret) {
+ sb->s_writers.frozen = SB_UNFROZEN;
+ sb_freeze_unlock(sb, SB_FREEZE_PAGEFAULT);
+ wake_up(&sb->s_writers.wait_unfrozen);
+ deactivate_locked_super(sb);
+ return ret;
+ }
/* Now wait for internal filesystem counter */
sb->s_writers.frozen = SB_FREEZE_FS;
@@ -1778,7 +1783,7 @@ int freeze_super(struct super_block *sb)
printk(KERN_ERR
"VFS:Filesystem freeze failed\n");
sb->s_writers.frozen = SB_UNFROZEN;
- sb_freeze_unlock(sb);
+ sb_freeze_unlock(sb, SB_FREEZE_FS);
wake_up(&sb->s_writers.wait_unfrozen);
deactivate_locked_super(sb);
return ret;
@@ -1829,7 +1834,7 @@ static int thaw_super_locked(struct super_block *sb)
}
sb->s_writers.frozen = SB_UNFROZEN;
- sb_freeze_unlock(sb);
+ sb_freeze_unlock(sb, SB_FREEZE_FS);
out:
wake_up(&sb->s_writers.wait_unfrozen);
deactivate_locked_super(sb);
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 8a5ced9cf527..77d428181557 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -110,17 +110,17 @@
#endif
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
-#ifdef CC_USING_PATCHABLE_FUNCTION_ENTRY
-#define MCOUNT_REC() . = ALIGN(8); \
- __start_mcount_loc = .; \
- KEEP(*(__patchable_function_entries)) \
- __stop_mcount_loc = .;
-#else
+/*
+ * The ftrace call sites are logged to a section whose name depends on the
+ * compiler option used. A given kernel image will only use one, AKA
+ * FTRACE_CALLSITE_SECTION. We capture all of them here to avoid header
+ * dependencies for FTRACE_CALLSITE_SECTION's definition.
+ */
#define MCOUNT_REC() . = ALIGN(8); \
__start_mcount_loc = .; \
KEEP(*(__mcount_loc)) \
+ KEEP(*(__patchable_function_entries)) \
__stop_mcount_loc = .;
-#endif
#else
#define MCOUNT_REC()
#endif
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 8a8cb3c401b2..9141f2263286 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -499,7 +499,7 @@ static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; }
/**
* ftrace_make_nop - convert code into nop
* @mod: module structure if called by module load initialization
- * @rec: the mcount call site record
+ * @rec: the call site record (e.g. mcount/fentry)
* @addr: the address that the call site should be calling
*
* This is a very sensitive operation and great care needs
@@ -520,9 +520,38 @@ static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; }
extern int ftrace_make_nop(struct module *mod,
struct dyn_ftrace *rec, unsigned long addr);
+
+/**
+ * ftrace_init_nop - initialize a nop call site
+ * @mod: module structure if called by module load initialization
+ * @rec: the call site record (e.g. mcount/fentry)
+ *
+ * This is a very sensitive operation and great care needs
+ * to be taken by the arch. The operation should carefully
+ * read the location, check to see if what is read is indeed
+ * what we expect it to be, and then on success of the compare,
+ * it should write to the location.
+ *
+ * The code segment at @rec->ip should contain the contents created by
+ * the compiler
+ *
+ * Return must be:
+ * 0 on success
+ * -EFAULT on error reading the location
+ * -EINVAL on a failed compare of the contents
+ * -EPERM on error writing to the location
+ * Any other value will be considered a failure.
+ */
+#ifndef ftrace_init_nop
+static inline int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec)
+{
+ return ftrace_make_nop(mod, rec, MCOUNT_ADDR);
+}
+#endif
+
/**
* ftrace_make_call - convert a nop call site into a call to addr
- * @rec: the mcount call site record
+ * @rec: the call site record (e.g. mcount/fentry)
* @addr: the address that the call site should call
*
* This is a very sensitive operation and great care needs
@@ -545,7 +574,7 @@ extern int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr);
#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
/**
* ftrace_modify_call - convert from one addr to another (no nop)
- * @rec: the mcount call site record
+ * @rec: the call site record (e.g. mcount/fentry)
* @old_addr: the address expected to be currently called to
* @addr: the address to change to
*
@@ -709,6 +738,11 @@ static inline unsigned long get_lock_parent_ip(void)
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
extern void ftrace_init(void);
+#ifdef CC_USING_PATCHABLE_FUNCTION_ENTRY
+#define FTRACE_CALLSITE_SECTION "__patchable_function_entries"
+#else
+#define FTRACE_CALLSITE_SECTION "__mcount_loc"
+#endif
#else
static inline void ftrace_init(void) { }
#endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index afee5d5eb945..b341471de9d6 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1454,7 +1454,6 @@ extern struct pid *cad_pid;
#define PF_MEMALLOC 0x00000800 /* Allocating memory */
#define PF_NPROC_EXCEEDED 0x00001000 /* set_user() noticed that RLIMIT_NPROC was exceeded */
#define PF_USED_MATH 0x00002000 /* If unset the fpu must be initialized before use */
-#define PF_USED_ASYNC 0x00004000 /* Used async_schedule*(), used by module init */
#define PF_NOFREEZE 0x00008000 /* This thread should not be frozen */
#define PF_FROZEN 0x00010000 /* Frozen for system suspend */
#define PF_KSWAPD 0x00020000 /* I am kswapd */
diff --git a/include/net/bond_3ad.h b/include/net/bond_3ad.h
index c8696a230b7d..1a28f299a4c6 100644
--- a/include/net/bond_3ad.h
+++ b/include/net/bond_3ad.h
@@ -262,7 +262,7 @@ struct ad_system {
struct ad_bond_info {
struct ad_system system; /* 802.3ad system structure */
struct bond_3ad_stats stats;
- u32 agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */
+ atomic_t agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */
u16 aggregator_identifier;
};
diff --git a/kernel/async.c b/kernel/async.c
index 4f9c1d614016..74660f611b97 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -205,9 +205,6 @@ async_cookie_t async_schedule_node_domain(async_func_t func, void *data,
atomic_inc(&entry_count);
spin_unlock_irqrestore(&async_lock, flags);
- /* mark that this task has queued an async job, used by module init */
- current->flags |= PF_USED_ASYNC;
-
/* schedule for execution */
queue_work_node(node, system_unbound_wq, &entry->work);
diff --git a/kernel/fork.c b/kernel/fork.c
index cf2cebd214b9..5b4a19682207 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2182,10 +2182,6 @@ static __latent_entropy struct task_struct *copy_process(
goto bad_fork_cancel_cgroup;
}
- /* past the last point of failure */
- if (pidfile)
- fd_install(pidfd, pidfile);
-
init_task_pid_links(p);
if (likely(p->pid)) {
ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace);
@@ -2234,6 +2230,9 @@ static __latent_entropy struct task_struct *copy_process(
syscall_tracepoint_update(p);
write_unlock_irq(&tasklist_lock);
+ if (pidfile)
+ fd_install(pidfd, pidfile);
+
proc_fork_connector(p);
cgroup_post_fork(p);
cgroup_threadgroup_change_end(current);
diff --git a/kernel/module.c b/kernel/module.c
index 59d487b8d8da..7c724356aca3 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3377,7 +3377,7 @@ static int find_module_sections(struct module *mod, struct load_info *info)
#endif
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
/* sechdrs[0].sh_size is always zero */
- mod->ftrace_callsites = section_objs(info, "__mcount_loc",
+ mod->ftrace_callsites = section_objs(info, FTRACE_CALLSITE_SECTION,
sizeof(*mod->ftrace_callsites),
&mod->num_ftrace_callsites);
#endif
@@ -3711,12 +3711,6 @@ static noinline int do_init_module(struct module *mod)
}
freeinit->module_init = mod->init_layout.base;
- /*
- * We want to find out whether @mod uses async during init. Clear
- * PF_USED_ASYNC. async_schedule*() will set it.
- */
- current->flags &= ~PF_USED_ASYNC;
-
do_mod_ctors(mod);
/* Start the module */
if (mod->init != NULL)
@@ -3742,22 +3736,13 @@ static noinline int do_init_module(struct module *mod)
/*
* We need to finish all async code before the module init sequence
- * is done. This has potential to deadlock. For example, a newly
- * detected block device can trigger request_module() of the
- * default iosched from async probing task. Once userland helper
- * reaches here, async_synchronize_full() will wait on the async
- * task waiting on request_module() and deadlock.
- *
- * This deadlock is avoided by perfomring async_synchronize_full()
- * iff module init queued any async jobs. This isn't a full
- * solution as it will deadlock the same if module loading from
- * async jobs nests more than once; however, due to the various
- * constraints, this hack seems to be the best option for now.
- * Please refer to the following thread for details.
+ * is done. This has potential to deadlock if synchronous module
+ * loading is requested from async (which is not allowed!).
*
- * http://thread.gmane.org/gmane.linux.kernel/1420814
+ * See commit 0fdff3ec6d87 ("async, kmod: warn on synchronous
+ * request_module() from async workers") for more details.
*/
- if (!mod->async_probe_requested && (current->flags & PF_USED_ASYNC))
+ if (!mod->async_probe_requested)
async_synchronize_full();
ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base +
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index efc338969b98..7719d444bda1 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2520,14 +2520,14 @@ struct dyn_ftrace *ftrace_rec_iter_record(struct ftrace_rec_iter *iter)
}
static int
-ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec)
+ftrace_nop_initialize(struct module *mod, struct dyn_ftrace *rec)
{
int ret;
if (unlikely(ftrace_disabled))
return 0;
- ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR);
+ ret = ftrace_init_nop(mod, rec);
if (ret) {
ftrace_bug_type = FTRACE_BUG_INIT;
ftrace_bug(ret, rec);
@@ -2969,7 +2969,7 @@ static int ftrace_update_code(struct module *mod, struct ftrace_page *new_pgs)
* to the NOP instructions.
*/
if (!__is_defined(CC_USING_NOP_MCOUNT) &&
- !ftrace_code_disable(mod, p))
+ !ftrace_nop_initialize(mod, p))
break;
update_cnt++;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 5a4dfb55ba16..615259d8fa9a 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -236,6 +236,10 @@ __setup("trace_clock=", set_trace_boot_clock);
static int __init set_tracepoint_printk(char *str)
{
+ /* Ignore the "tp_printk_stop_on_boot" param */
+ if (*str == '_')
+ return 0;
+
if ((strcmp(str, "=0") != 0 && strcmp(str, "=off") != 0))
tracepoint_printk = 1;
return 1;
diff --git a/kernel/tsacct.c b/kernel/tsacct.c
index 7be3e7530841..33a4093306f9 100644
--- a/kernel/tsacct.c
+++ b/kernel/tsacct.c
@@ -35,11 +35,10 @@ void bacct_add_tsk(struct user_namespace *user_ns,
/* Convert to seconds for btime */
do_div(delta, USEC_PER_SEC);
stats->ac_btime = get_seconds() - delta;
- if (thread_group_leader(tsk)) {
+ if (tsk->flags & PF_EXITING)
stats->ac_exitcode = tsk->exit_code;
- if (tsk->flags & PF_FORKNOEXEC)
- stats->ac_flag |= AFORK;
- }
+ if (thread_group_leader(tsk) && (tsk->flags & PF_FORKNOEXEC))
+ stats->ac_flag |= AFORK;
if (tsk->flags & PF_SUPERPRIV)
stats->ac_flag |= ASU;
if (tsk->flags & PF_DUMPCORE)
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 957e3e58df65..9d3bda3d49fe 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -398,6 +398,7 @@ static size_t copy_page_to_iter_pipe(struct page *page, size_t offset, size_t by
return 0;
pipe->nrbufs++;
buf->ops = &page_cache_pipe_buf_ops;
+ buf->flags = 0;
get_page(buf->page = page);
buf->offset = offset;
buf->len = bytes;
@@ -524,6 +525,7 @@ static size_t push_pipe(struct iov_iter *i, size_t size,
break;
pipe->nrbufs++;
pipe->bufs[idx].ops = &default_pipe_buf_ops;
+ pipe->bufs[idx].flags = 0;
pipe->bufs[idx].page = page;
pipe->bufs[idx].offset = 0;
if (left <= PAGE_SIZE) {
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 1f84d41e22c3..184af6da0def 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -77,6 +77,7 @@ static void ax25_kill_by_device(struct net_device *dev)
{
ax25_dev *ax25_dev;
ax25_cb *s;
+ struct sock *sk;
if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL)
return;
@@ -85,13 +86,15 @@ static void ax25_kill_by_device(struct net_device *dev)
again:
ax25_for_each(s, &ax25_list) {
if (s->ax25_dev == ax25_dev) {
+ sk = s->sk;
+ sock_hold(sk);
spin_unlock_bh(&ax25_list_lock);
- lock_sock(s->sk);
+ lock_sock(sk);
s->ax25_dev = NULL;
- release_sock(s->sk);
+ release_sock(sk);
ax25_disconnect(s, ENETUNREACH);
spin_lock_bh(&ax25_list_lock);
-
+ sock_put(sk);
/* The entry could have been deleted from the
* list meanwhile and thus the next pointer is
* no longer valid. Play it safe and restart
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index af0130039f37..e8e8389ddc96 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -277,13 +277,17 @@ static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi,
rcu_read_lock();
list_for_each_entry_rcu(new_stat, &hw_stats_list, list) {
+ struct net_device *dev;
+
/*
* only add a note to our monitor buffer if:
* 1) this is the dev we received on
* 2) its after the last_rx delta
* 3) our rx_dropped count has gone up
*/
- if ((new_stat->dev == napi->dev) &&
+ /* Paired with WRITE_ONCE() in dropmon_net_event() */
+ dev = READ_ONCE(new_stat->dev);
+ if ((dev == napi->dev) &&
(time_after(jiffies, new_stat->last_rx + dm_hw_check_delta)) &&
(napi->dev->stats.rx_dropped != new_stat->last_drop_val)) {
trace_drop_common(NULL, NULL);
@@ -1497,7 +1501,10 @@ static int dropmon_net_event(struct notifier_block *ev_block,
mutex_lock(&net_dm_mutex);
list_for_each_entry_safe(new_stat, tmp, &hw_stats_list, list) {
if (new_stat->dev == dev) {
- new_stat->dev = NULL;
+
+ /* Paired with READ_ONCE() in trace_napi_poll_hit() */
+ WRITE_ONCE(new_stat->dev, NULL);
+
if (trace_state == TRACE_OFF) {
list_del_rcu(&new_stat->list);
kfree_rcu(new_stat, rcu);
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index b0f51c7cc0d9..2a359d0dfe7e 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -172,16 +172,23 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident)
struct sock *sk = NULL;
struct inet_sock *isk;
struct hlist_nulls_node *hnode;
- int dif = skb->dev->ifindex;
+ int dif, sdif;
if (skb->protocol == htons(ETH_P_IP)) {
+ dif = inet_iif(skb);
+ sdif = inet_sdif(skb);
pr_debug("try to find: num = %d, daddr = %pI4, dif = %d\n",
(int)ident, &ip_hdr(skb)->daddr, dif);
#if IS_ENABLED(CONFIG_IPV6)
} else if (skb->protocol == htons(ETH_P_IPV6)) {
+ dif = inet6_iif(skb);
+ sdif = inet6_sdif(skb);
pr_debug("try to find: num = %d, daddr = %pI6c, dif = %d\n",
(int)ident, &ipv6_hdr(skb)->daddr, dif);
#endif
+ } else {
+ pr_err("ping: protocol(%x) is not supported\n", ntohs(skb->protocol));
+ return NULL;
}
read_lock_bh(&ping_table.lock);
@@ -221,7 +228,7 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident)
}
if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif &&
- sk->sk_bound_dev_if != inet_sdif(skb))
+ sk->sk_bound_dev_if != sdif)
continue;
sock_hold(sk);
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 810cca24b399..7626f3e1c70a 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -489,6 +489,15 @@ int nf_conntrack_sctp_packet(struct nf_conn *ct,
pr_debug("Setting vtag %x for dir %d\n",
ih->init_tag, !dir);
ct->proto.sctp.vtag[!dir] = ih->init_tag;
+
+ /* don't renew timeout on init retransmit so
+ * port reuse by client or NAT middlebox cannot
+ * keep entry alive indefinitely (incl. nat info).
+ */
+ if (new_state == SCTP_CONNTRACK_CLOSED &&
+ old_state == SCTP_CONNTRACK_CLOSED &&
+ nf_ct_is_confirmed(ct))
+ ignore = true;
}
ct->proto.sctp.state = new_state;
diff --git a/net/netfilter/nft_synproxy.c b/net/netfilter/nft_synproxy.c
index e2c1fc608841..15abb0e49603 100644
--- a/net/netfilter/nft_synproxy.c
+++ b/net/netfilter/nft_synproxy.c
@@ -191,8 +191,10 @@ static int nft_synproxy_do_init(const struct nft_ctx *ctx,
if (err)
goto nf_ct_failure;
err = nf_synproxy_ipv6_init(snet, ctx->net);
- if (err)
+ if (err) {
+ nf_synproxy_ipv4_fini(snet, ctx->net);
goto nf_ct_failure;
+ }
break;
}
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 75132d0ca887..ab277ee95032 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -652,15 +652,24 @@ int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions,
restart_act_graph:
for (i = 0; i < nr_actions; i++) {
const struct tc_action *a = actions[i];
+ int repeat_ttl;
if (jmp_prgcnt > 0) {
jmp_prgcnt -= 1;
continue;
}
+
+ repeat_ttl = 32;
repeat:
ret = a->ops->act(skb, a, res);
- if (ret == TC_ACT_REPEAT)
- goto repeat; /* we need a ttl - JHS */
+
+ if (unlikely(ret == TC_ACT_REPEAT)) {
+ if (--repeat_ttl != 0)
+ goto repeat;
+ /* suspicious opcode, stop pipeline */
+ net_warn_ratelimited("TC_ACT_REPEAT abuse ?\n");
+ return TC_ACT_OK;
+ }
if (TC_ACT_EXT_CMP(ret, TC_ACT_JUMP)) {
jmp_prgcnt = ret & TCA_ACT_MAX_PRIO_MASK;
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index bc8055f4571b..d60d7caacbf5 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1222,6 +1222,7 @@ static int vsock_stream_connect(struct socket *sock, struct sockaddr *addr,
sk->sk_state = sk->sk_state == TCP_ESTABLISHED ? TCP_CLOSING : TCP_CLOSE;
sock->state = SS_UNCONNECTED;
vsock_transport_cancel_pkt(vsk);
+ vsock_remove_connected(vsk);
goto out_wait;
} else if (timeout == 0) {
err = -ETIMEDOUT;
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index ca08f2fe7c34..854e2ba9daa2 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -49,6 +49,7 @@ KBUILD_CFLAGS += -Wno-format
KBUILD_CFLAGS += -Wno-sign-compare
KBUILD_CFLAGS += -Wno-format-zero-length
KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
+KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access)
endif
endif
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 17298239e363..5c2493c8e9de 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -987,14 +987,19 @@ static int conf_write_dep(const char *name)
static int conf_touch_deps(void)
{
- const char *name;
+ const char *name, *tmp;
struct symbol *sym;
int res, i;
- strcpy(depfile_path, "include/config/");
- depfile_prefix_len = strlen(depfile_path);
-
name = conf_get_autoconfig_name();
+ tmp = strrchr(name, '/');
+ depfile_prefix_len = tmp ? tmp - name + 1 : 0;
+ if (depfile_prefix_len + 1 > sizeof(depfile_path))
+ return -1;
+
+ strncpy(depfile_path, name, depfile_prefix_len);
+ depfile_path[depfile_prefix_len] = 0;
+
conf_read_simple(name, S_DEF_AUTO);
sym_calc_value(modules_sym);
diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c
index 0590f86df6e4..748da578b418 100644
--- a/scripts/kconfig/preprocess.c
+++ b/scripts/kconfig/preprocess.c
@@ -141,7 +141,7 @@ static char *do_lineno(int argc, char *argv[])
static char *do_shell(int argc, char *argv[])
{
FILE *p;
- char buf[256];
+ char buf[4096];
char *cmd;
size_t nread;
int i;
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 95d472d433e7..b8fe0ec5d624 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1608,6 +1608,7 @@ static struct snd_pci_quirk probe_mask_list[] = {
/* forced codec slots */
SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
+ SND_PCI_QUIRK(0x1558, 0x0351, "Schenker Dock 15", 0x105),
/* WinFast VP200 H (Teradici) user reported broken communication */
SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101),
{}
@@ -1793,8 +1794,6 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));
- check_probe_mask(chip, dev);
-
if (single_cmd < 0) /* allow fallback to single_cmd at errors */
chip->fallback_to_single_cmd = 1;
else /* explicitly set to single_cmd or not */
@@ -1826,6 +1825,8 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
chip->bus.needs_damn_long_delay = 1;
}
+ check_probe_mask(chip, dev);
+
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0) {
dev_err(card->dev, "Error creating device [card]!\n");
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index ef8fd331526b..f5dcd625e435 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -314,7 +314,7 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
unsigned int sign_bit = mc->sign_bit;
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
- int err;
+ int err, ret;
bool type_2r = false;
unsigned int val2 = 0;
unsigned int val, val_mask;
@@ -356,12 +356,18 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
err = snd_soc_component_update_bits(component, reg, val_mask, val);
if (err < 0)
return err;
+ ret = err;
- if (type_2r)
+ if (type_2r) {
err = snd_soc_component_update_bits(component, reg2, val_mask,
- val2);
+ val2);
+ /* Don't discard any error code or drop change flag */
+ if (ret == 0 || err < 0) {
+ ret = err;
+ }
+ }
- return err;
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
@@ -517,7 +523,7 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
unsigned int val, val_mask;
- int ret;
+ int err, ret;
if (invert)
val = (max - ucontrol->value.integer.value[0]) & mask;
@@ -526,9 +532,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
val_mask = mask << shift;
val = val << shift;
- ret = snd_soc_component_update_bits(component, reg, val_mask, val);
- if (ret < 0)
- return ret;
+ err = snd_soc_component_update_bits(component, reg, val_mask, val);
+ if (err < 0)
+ return err;
+ ret = err;
if (snd_soc_volsw_is_stereo(mc)) {
if (invert)
@@ -538,8 +545,12 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
val_mask = mask << shift;
val = val << shift;
- ret = snd_soc_component_update_bits(component, rreg, val_mask,
+ err = snd_soc_component_update_bits(component, rreg, val_mask,
val);
+ /* Don't discard any error code or drop change flag */
+ if (ret == 0 || err < 0) {
+ ret = err;
+ }
}
return ret;
diff --git a/tools/lib/subcmd/subcmd-util.h b/tools/lib/subcmd/subcmd-util.h
index 794a375dad36..b2aec04fce8f 100644
--- a/tools/lib/subcmd/subcmd-util.h
+++ b/tools/lib/subcmd/subcmd-util.h
@@ -50,15 +50,8 @@ static NORETURN inline void die(const char *err, ...)
static inline void *xrealloc(void *ptr, size_t size)
{
void *ret = realloc(ptr, size);
- if (!ret && !size)
- ret = realloc(ptr, 1);
- if (!ret) {
- ret = realloc(ptr, size);
- if (!ret && !size)
- ret = realloc(ptr, 1);
- if (!ret)
- die("Out of memory, realloc failed");
- }
+ if (!ret)
+ die("Out of memory, realloc failed");
return ret;
}
diff --git a/tools/testing/selftests/rtc/settings b/tools/testing/selftests/rtc/settings
index ba4d85f74cd6..a953c96aa16e 100644
--- a/tools/testing/selftests/rtc/settings
+++ b/tools/testing/selftests/rtc/settings
@@ -1 +1 @@
-timeout=90
+timeout=180
diff --git a/tools/testing/selftests/zram/zram.sh b/tools/testing/selftests/zram/zram.sh
index 232e958ec454..b0b91d9b0dc2 100755
--- a/tools/testing/selftests/zram/zram.sh
+++ b/tools/testing/selftests/zram/zram.sh
@@ -2,9 +2,6 @@
# SPDX-License-Identifier: GPL-2.0
TCID="zram.sh"
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
-
. ./zram_lib.sh
run_zram () {
@@ -18,14 +15,4 @@ echo ""
check_prereqs
-# check zram module exists
-MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko
-if [ -f $MODULE_PATH ]; then
- run_zram
-elif [ -b /dev/zram0 ]; then
- run_zram
-else
- echo "$TCID : No zram.ko module or /dev/zram0 device file not found"
- echo "$TCID : CONFIG_ZRAM is not set"
- exit $ksft_skip
-fi
+run_zram
diff --git a/tools/testing/selftests/zram/zram01.sh b/tools/testing/selftests/zram/zram01.sh
index 114863d9fb87..8f4affe34f3e 100755
--- a/tools/testing/selftests/zram/zram01.sh
+++ b/tools/testing/selftests/zram/zram01.sh
@@ -33,9 +33,7 @@ zram_algs="lzo"
zram_fill_fs()
{
- local mem_free0=$(free -m | awk 'NR==2 {print $4}')
-
- for i in $(seq 0 $(($dev_num - 1))); do
+ for i in $(seq $dev_start $dev_end); do
echo "fill zram$i..."
local b=0
while [ true ]; do
@@ -45,29 +43,17 @@ zram_fill_fs()
b=$(($b + 1))
done
echo "zram$i can be filled with '$b' KB"
- done
- local mem_free1=$(free -m | awk 'NR==2 {print $4}')
- local used_mem=$(($mem_free0 - $mem_free1))
+ local mem_used_total=`awk '{print $3}' "/sys/block/zram$i/mm_stat"`
+ local v=$((100 * 1024 * $b / $mem_used_total))
+ if [ "$v" -lt 100 ]; then
+ echo "FAIL compression ratio: 0.$v:1"
+ ERR_CODE=-1
+ return
+ fi
- local total_size=0
- for sm in $zram_sizes; do
- local s=$(echo $sm | sed 's/M//')
- total_size=$(($total_size + $s))
+ echo "zram compression ratio: $(echo "scale=2; $v / 100 " | bc):1: OK"
done
-
- echo "zram used ${used_mem}M, zram disk sizes ${total_size}M"
-
- local v=$((100 * $total_size / $used_mem))
-
- if [ "$v" -lt 100 ]; then
- echo "FAIL compression ratio: 0.$v:1"
- ERR_CODE=-1
- zram_cleanup
- return
- fi
-
- echo "zram compression ratio: $(echo "scale=2; $v / 100 " | bc):1: OK"
}
check_prereqs
@@ -81,7 +67,6 @@ zram_mount
zram_fill_fs
zram_cleanup
-zram_unload
if [ $ERR_CODE -ne 0 ]; then
echo "$TCID : [FAIL]"
diff --git a/tools/testing/selftests/zram/zram02.sh b/tools/testing/selftests/zram/zram02.sh
index e83b404807c0..2418b0c4ed13 100755
--- a/tools/testing/selftests/zram/zram02.sh
+++ b/tools/testing/selftests/zram/zram02.sh
@@ -36,7 +36,6 @@ zram_set_memlimit
zram_makeswap
zram_swapoff
zram_cleanup
-zram_unload
if [ $ERR_CODE -ne 0 ]; then
echo "$TCID : [FAIL]"
diff --git a/tools/testing/selftests/zram/zram_lib.sh b/tools/testing/selftests/zram/zram_lib.sh
index 6f872f266fd1..21ec1966de76 100755
--- a/tools/testing/selftests/zram/zram_lib.sh
+++ b/tools/testing/selftests/zram/zram_lib.sh
@@ -5,12 +5,17 @@
# Author: Alexey Kodanev <alexey.kodanev@...cle.com>
# Modified: Naresh Kamboju <naresh.kamboju@...aro.org>
-MODULE=0
dev_makeswap=-1
dev_mounted=-1
-
+dev_start=0
+dev_end=-1
+module_load=-1
+sys_control=-1
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
+kernel_version=`uname -r | cut -d'.' -f1,2`
+kernel_major=${kernel_version%.*}
+kernel_minor=${kernel_version#*.}
trap INT
@@ -25,68 +30,104 @@ check_prereqs()
fi
}
+kernel_gte()
+{
+ major=${1%.*}
+ minor=${1#*.}
+
+ if [ $kernel_major -gt $major ]; then
+ return 0
+ elif [[ $kernel_major -eq $major && $kernel_minor -ge $minor ]]; then
+ return 0
+ fi
+
+ return 1
+}
+
zram_cleanup()
{
echo "zram cleanup"
local i=
- for i in $(seq 0 $dev_makeswap); do
+ for i in $(seq $dev_start $dev_makeswap); do
swapoff /dev/zram$i
done
- for i in $(seq 0 $dev_mounted); do
+ for i in $(seq $dev_start $dev_mounted); do
umount /dev/zram$i
done
- for i in $(seq 0 $(($dev_num - 1))); do
+ for i in $(seq $dev_start $dev_end); do
echo 1 > /sys/block/zram${i}/reset
rm -rf zram$i
done
-}
+ if [ $sys_control -eq 1 ]; then
+ for i in $(seq $dev_start $dev_end); do
+ echo $i > /sys/class/zram-control/hot_remove
+ done
+ fi
-zram_unload()
-{
- if [ $MODULE -ne 0 ] ; then
- echo "zram rmmod zram"
+ if [ $module_load -eq 1 ]; then
rmmod zram > /dev/null 2>&1
fi
}
zram_load()
{
- # check zram module exists
- MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko
- if [ -f $MODULE_PATH ]; then
- MODULE=1
- echo "create '$dev_num' zram device(s)"
- modprobe zram num_devices=$dev_num
- if [ $? -ne 0 ]; then
- echo "failed to insert zram module"
- exit 1
- fi
-
- dev_num_created=$(ls /dev/zram* | wc -w)
+ echo "create '$dev_num' zram device(s)"
+
+ # zram module loaded, new kernel
+ if [ -d "/sys/class/zram-control" ]; then
+ echo "zram modules already loaded, kernel supports" \
+ "zram-control interface"
+ dev_start=$(ls /dev/zram* | wc -w)
+ dev_end=$(($dev_start + $dev_num - 1))
+ sys_control=1
+
+ for i in $(seq $dev_start $dev_end); do
+ cat /sys/class/zram-control/hot_add > /dev/null
+ done
+
+ echo "all zram devices (/dev/zram$dev_start~$dev_end" \
+ "successfully created"
+ return 0
+ fi
- if [ "$dev_num_created" -ne "$dev_num" ]; then
- echo "unexpected num of devices: $dev_num_created"
- ERR_CODE=-1
+ # detect old kernel or built-in
+ modprobe zram num_devices=$dev_num
+ if [ ! -d "/sys/class/zram-control" ]; then
+ if grep -q '^zram' /proc/modules; then
+ rmmod zram > /dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ echo "zram module is being used on old kernel" \
+ "without zram-control interface"
+ exit $ksft_skip
+ fi
else
- echo "zram load module successful"
+ echo "test needs CONFIG_ZRAM=m on old kernel without" \
+ "zram-control interface"
+ exit $ksft_skip
fi
- elif [ -b /dev/zram0 ]; then
- echo "/dev/zram0 device file found: OK"
- else
- echo "ERROR: No zram.ko module or no /dev/zram0 device found"
- echo "$TCID : CONFIG_ZRAM is not set"
- exit 1
+ modprobe zram num_devices=$dev_num
fi
+
+ module_load=1
+ dev_end=$(($dev_num - 1))
+ echo "all zram devices (/dev/zram0~$dev_end) successfully created"
}
zram_max_streams()
{
echo "set max_comp_streams to zram device(s)"
- local i=0
+ kernel_gte 4.7
+ if [ $? -eq 0 ]; then
+ echo "The device attribute max_comp_streams was"\
+ "deprecated in 4.7"
+ return 0
+ fi
+
+ local i=$dev_start
for max_s in $zram_max_streams; do
local sys_path="/sys/block/zram${i}/max_comp_streams"
echo $max_s > $sys_path || \
@@ -98,7 +139,7 @@ zram_max_streams()
echo "FAIL can't set max_streams '$max_s', get $max_stream"
i=$(($i + 1))
- echo "$sys_path = '$max_streams' ($i/$dev_num)"
+ echo "$sys_path = '$max_streams'"
done
echo "zram max streams: OK"
@@ -108,15 +149,16 @@ zram_compress_alg()
{
echo "test that we can set compression algorithm"
- local algs=$(cat /sys/block/zram0/comp_algorithm)
+ local i=$dev_start
+ local algs=$(cat /sys/block/zram${i}/comp_algorithm)
echo "supported algs: $algs"
- local i=0
+
for alg in $zram_algs; do
local sys_path="/sys/block/zram${i}/comp_algorithm"
echo "$alg" > $sys_path || \
echo "FAIL can't set '$alg' to $sys_path"
i=$(($i + 1))
- echo "$sys_path = '$alg' ($i/$dev_num)"
+ echo "$sys_path = '$alg'"
done
echo "zram set compression algorithm: OK"
@@ -125,14 +167,14 @@ zram_compress_alg()
zram_set_disksizes()
{
echo "set disk size to zram device(s)"
- local i=0
+ local i=$dev_start
for ds in $zram_sizes; do
local sys_path="/sys/block/zram${i}/disksize"
echo "$ds" > $sys_path || \
echo "FAIL can't set '$ds' to $sys_path"
i=$(($i + 1))
- echo "$sys_path = '$ds' ($i/$dev_num)"
+ echo "$sys_path = '$ds'"
done
echo "zram set disksizes: OK"
@@ -142,14 +184,14 @@ zram_set_memlimit()
{
echo "set memory limit to zram device(s)"
- local i=0
+ local i=$dev_start
for ds in $zram_mem_limits; do
local sys_path="/sys/block/zram${i}/mem_limit"
echo "$ds" > $sys_path || \
echo "FAIL can't set '$ds' to $sys_path"
i=$(($i + 1))
- echo "$sys_path = '$ds' ($i/$dev_num)"
+ echo "$sys_path = '$ds'"
done
echo "zram set memory limit: OK"
@@ -158,8 +200,8 @@ zram_set_memlimit()
zram_makeswap()
{
echo "make swap with zram device(s)"
- local i=0
- for i in $(seq 0 $(($dev_num - 1))); do
+ local i=$dev_start
+ for i in $(seq $dev_start $dev_end); do
mkswap /dev/zram$i > err.log 2>&1
if [ $? -ne 0 ]; then
cat err.log
@@ -182,7 +224,7 @@ zram_makeswap()
zram_swapoff()
{
local i=
- for i in $(seq 0 $dev_makeswap); do
+ for i in $(seq $dev_start $dev_end); do
swapoff /dev/zram$i > err.log 2>&1
if [ $? -ne 0 ]; then
cat err.log
@@ -196,7 +238,7 @@ zram_swapoff()
zram_makefs()
{
- local i=0
+ local i=$dev_start
for fs in $zram_filesystems; do
# if requested fs not supported default it to ext2
which mkfs.$fs > /dev/null 2>&1 || fs=ext2
@@ -215,7 +257,7 @@ zram_makefs()
zram_mount()
{
local i=0
- for i in $(seq 0 $(($dev_num - 1))); do
+ for i in $(seq $dev_start $dev_end); do
echo "mount /dev/zram$i"
mkdir zram$i
mount /dev/zram$i zram$i > /dev/null || \
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