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06cfbd38f607f25bcee9bbfe900c506bf4bd4264
Analyze and fix the following issue in the Linux kernel code: fbcon: Remove trailing whitespaces
Problem Details: Fix coding style. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221219160516.23436-2-tzimmermann@suse.de
```diff diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 098b62f7b701..aed846e81a47 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -26,7 +26,7 @@ * * Hardware cursor support added by Emmanuel Marty (core@ggi-project.org) * Smart redr...
c034c6a45c977fdf33de5974d7def75bda9dcadc
Analyze and fix the following issue in the Linux kernel code: mm/sl{a,u}b: fix wrong usages of folio_page() for getting head pages
Problem Details: The standard idiom for getting head page of a given folio is '&folio->page', but some are wrongly using 'folio_page(folio, 0)' for the purpose. Fix those to use the idiom. Suggested-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: SeongJae Park <sj@kernel.org> Reviewed-by: David Hildenbrand <d...
```diff diff --git a/mm/slab.c b/mm/slab.c index ede1f29fd81c..c7a50fed4c9b 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1386,7 +1386,7 @@ static void kmem_freepages(struct kmem_cache *cachep, struct slab *slab) BUG_ON(!folio_test_slab(folio)); __slab_clear_pfmemalloc(slab); - page_mapcount_reset(folio_page(folio, ...
0e26e1de0032779e43929174339429c16307a299
Analyze and fix the following issue in the Linux kernel code: context_tracking: Fix noinstr vs KASAN
Problem Details: Low level noinstr context-tracking code is calling out to instrumented code on KASAN: vmlinux.o: warning: objtool: __ct_user_enter+0x72: call to __kasan_check_write() leaves .noinstr.text section vmlinux.o: warning: objtool: __ct_user_exit+0x47: call to __kasan_check_write() leaves .noinstr.text s...
```diff diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c index 77978e372377..a09f1c19336a 100644 --- a/kernel/context_tracking.c +++ b/kernel/context_tracking.c @@ -510,7 +510,7 @@ void noinstr __ct_user_enter(enum ctx_state state) * In this we case we don't care about any concurrency/ordering. ...
f18b0d7ee815abb33eb1cc540fdde64fbb922d1a
Analyze and fix the following issue in the Linux kernel code: ubsan: Fix objtool UACCESS warns
Problem Details: clang-14 allyesconfig gives: vmlinux.o: warning: objtool: emulator_cmpxchg_emulated+0x705: call to __ubsan_handle_load_invalid_value() with UACCESS enabled vmlinux.o: warning: objtool: paging64_update_accessed_dirty_bits+0x39e: call to __ubsan_handle_load_invalid_value() with UACCESS enabled vml...
```diff diff --git a/lib/ubsan.c b/lib/ubsan.c index 60c7099857a0..4d39e0babb98 100644 --- a/lib/ubsan.c +++ b/lib/ubsan.c @@ -339,9 +339,10 @@ void __ubsan_handle_load_invalid_value(void *_data, void *val) { struct invalid_value_data *data = _data; char val_str[VALUE_LENGTH]; + unsigned long ua_flags = user_acces...
6a123d6ae6ea930b9bb3c595ceac2b2f93039f67
Analyze and fix the following issue in the Linux kernel code: cpuidle, ACPI: Make noinstr clean
Problem Details: objtool found cases where ACPI methods called out into instrumentation code: vmlinux.o: warning: objtool: io_idle+0xc: call to __inb.isra.0() leaves .noinstr.text section vmlinux.o: warning: objtool: acpi_idle_enter+0xfe: call to num_online_cpus() leaves .noinstr.text section vmlinux.o: warning:...
```diff diff --git a/arch/x86/include/asm/shared/io.h b/arch/x86/include/asm/shared/io.h index c0ef921c0586..8009d781c2f9 100644 --- a/arch/x86/include/asm/shared/io.h +++ b/arch/x86/include/asm/shared/io.h @@ -5,13 +5,13 @@ #include <linux/types.h> #define BUILDIO(bwl, bw, type) \ -static inline void __out##b...
c3982c1a36f70bd4521a9852246ea50105912084
Analyze and fix the following issue in the Linux kernel code: cpuidle, tdx: Make TDX code noinstr clean
Problem Details: objtool found a few cases where this code called out into instrumented code: vmlinux.o: warning: objtool: __halt+0x2c: call to hcall_func.constprop.0() leaves .noinstr.text section vmlinux.o: warning: objtool: __halt+0x3f: call to __tdx_hypercall() leaves .noinstr.text section vmlinux.o: warning...
```diff diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S index 112b2375d021..b22f34b8684a 100644 --- a/arch/x86/boot/compressed/vmlinux.lds.S +++ b/arch/x86/boot/compressed/vmlinux.lds.S @@ -34,6 +34,7 @@ SECTIONS _text = .; /* Text */ *(.text) *(.text.*) + *(.noin...
2ec8efe64e6dfcaa50906ae4b0b5a0a7e1a54d50
Analyze and fix the following issue in the Linux kernel code: cpuidle, mwait: Make the mwait code noinstr clean
Problem Details: objtool found a few cases where this code called out into instrumented code: vmlinux.o: warning: objtool: intel_idle_s2idle+0x6e: call to __monitor.constprop.0() leaves .noinstr.text section vmlinux.o: warning: objtool: intel_idle_irq+0x8c: call to __monitor.constprop.0() leaves .noinstr.text sect...
```diff diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h index f2242167efe3..778df05f8539 100644 --- a/arch/x86/include/asm/mwait.h +++ b/arch/x86/include/asm/mwait.h @@ -26,7 +26,7 @@ #define TPAUSE_C01_STATE 1 #define TPAUSE_C02_STATE 0 -static inline void __monitor(const void *eax, unsi...
9b461a6faae7b220c32466261965778b10189e54
Analyze and fix the following issue in the Linux kernel code: cpuidle, intel_idle: Fix CPUIDLE_FLAG_IBRS
Problem Details: objtool to the rescue: vmlinux.o: warning: objtool: intel_idle_ibrs+0x17: call to spec_ctrl_current() leaves .noinstr.text section vmlinux.o: warning: objtool: intel_idle_ibrs+0x27: call to wrmsrl.constprop.0() leaves .noinstr.text section Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.o...
```diff diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index d970ddb0cc65..aac6d81282a7 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -86,7 +86,7 @@ void update_spec_ctrl_cond(u64 val) wrmsrl(MSR_IA32_SPEC_CTRL, val); } -u64 spec_ctrl_current(void) +noinstr u64 ...
821ad23d0eaff73ef599ece39ecc77482df20a8c
Analyze and fix the following issue in the Linux kernel code: cpuidle, intel_idle: Fix CPUIDLE_FLAG_INIT_XSTATE
Problem Details: Fix instrumentation bugs objtool found: vmlinux.o: warning: objtool: intel_idle_s2idle+0xd5: call to fpu_idle_fpregs() leaves .noinstr.text section vmlinux.o: warning: objtool: intel_idle_xstate+0x11: call to fpu_idle_fpregs() leaves .noinstr.text section vmlinux.o: warning: objtool: fpu_idle_fp...
```diff diff --git a/arch/x86/include/asm/fpu/xcr.h b/arch/x86/include/asm/fpu/xcr.h index 9656a5bc6fea..9a710c060445 100644 --- a/arch/x86/include/asm/fpu/xcr.h +++ b/arch/x86/include/asm/fpu/xcr.h @@ -5,7 +5,7 @@ #define XCR_XFEATURE_ENABLED_MASK 0x00000000 #define XCR_XFEATURE_IN_USE_MASK 0x00000001 -static inli...
6d9c7f51b1d9179bf7c3542267c656a934e8af23
Analyze and fix the following issue in the Linux kernel code: cpuidle, intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE *again*
Problem Details: So objtool found this bug: vmlinux.o: warning: objtool: intel_idle_irq+0x10c: call to trace_hardirqs_off() leaves .noinstr.text section As per commit 32d4fd5751ea ("cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE"): "must not have tracing in idle functions" Clearly people can't read and tinker ...
```diff diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index cfeb24d40d37..f060ac7376e6 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -168,13 +168,7 @@ static __cpuidle int intel_idle_irq(struct cpuidle_device *dev, raw_local_irq_enable(); ret = __intel_idle(dev, dr...
a01353cf1896ea5b8a7bbc5e2b2d38feed8b7aaa
Analyze and fix the following issue in the Linux kernel code: cpuidle: Fix ct_idle_*() usage
Problem Details: The whole disable-RCU, enable-IRQS dance is very intricate since changing IRQ state is traced, which depends on RCU. Add two helpers for the cpuidle case that mirror the entry code: ct_cpuidle_enter() ct_cpuidle_exit() And fix all the cases where the enter/exit dance was buggy. Signed-off-by: P...
```diff diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c index d086cbae09c3..c24c78a67cc1 100644 --- a/arch/arm/mach-imx/cpuidle-imx6q.c +++ b/arch/arm/mach-imx/cpuidle-imx6q.c @@ -25,9 +25,9 @@ static int imx6q_enter_wait(struct cpuidle_device *dev, imx6_set_lpm(WAIT_UNCLOCKED); ...
3c90b1ba8cc49b3c485e4477b9977e52a16509d3
Analyze and fix the following issue in the Linux kernel code: dt-bindings: pinctrl: qcom,sc8280xp-lpass-lpi: correct pins pattern
Problem Details: SC8280XP LPASS LPI pin controller has GPIO 0-18: sa8540p-ride.dtb: pinctrl@33c0000: tx-swr-default-state: 'oneOf' conditional failed, one must be fixed: 'pins' is a required property 'function' is a required property 'clk-pins', 'data-pins' do not match any of the regexes: 'pinctrl-[0-9]...
```diff diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sc8280xp-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sc8280xp-lpass-lpi-pinctrl.yaml index 7d2589387e1a..309d3dd9013b 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,sc8280xp-lpass-lpi-pinctrl.yaml +++ b/Document...
fde5f74ccfc771941b018b5415fa9664426e10ad
Analyze and fix the following issue in the Linux kernel code: platform/x86: thinkpad_acpi: Fix profile mode display in AMT mode
Problem Details: Recently AMT mode was enabled (somewhat unexpectedly) on the Lenovo Z13 platform. The FW is advertising it is available and the driver tries to use it - unfortunately it reports the profile mode incorrectly. Note, there is also some extra work needed to enable the dynamic aspect of AMT support that I ...
```diff diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 1195293b22fd..a95946800ae9 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -10311,9 +10311,11 @@ static DEFINE_MUTEX(dytc_mutex); static int dytc_capabilities; static ...
da07d2f9c153e457e845d4dcfdd13568d71d18a4
Analyze and fix the following issue in the Linux kernel code: sched/fair: Fixes for capacity inversion detection
Problem Details: Traversing the Perf Domains requires rcu_read_lock() to be held and is conditional on sched_energy_enabled(). Ensure right protections applied. Also skip capacity inversion detection for our own pd; which was an error. Fixes: 44c7b80bffc3 ("sched/fair: Detect capacity inversion") Reported-by: Dietmar...
```diff diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index be43731b147d..0f8736991427 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -8868,16 +8868,23 @@ static void update_cpu_capacity(struct sched_domain *sd, int cpu) * * Thermal pressure will impact all cpus in this perf domain * ...
e26fd28db82899be71b4b949527373d0a6be1e65
Analyze and fix the following issue in the Linux kernel code: sched/uclamp: Fix a uninitialized variable warnings
Problem Details: Addresses the following warnings: > config: riscv-randconfig-m031-20221111 > compiler: riscv64-linux-gcc (GCC) 12.1.0 > > smatch warnings: > kernel/sched/fair.c:7263 find_energy_efficient_cpu() error: uninitialized symbol 'util_min'. > kernel/sched/fair.c:7263 find_energy_efficient_cpu() error: uninit...
```diff diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c36aa54ae071..be43731b147d 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7229,10 +7229,10 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu) eenv_task_busy_time(&eenv, p, prev_cpu); for (; pd; pd = pd->...
92a9c0ad86d47ff4cce899012e355c400f02cfb8
Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()
Problem Details: The subs function argument may be NULL, so do not use it before the NULL check. Fixes: 291e9da91403 ("ALSA: usb-audio: Always initialize fixed_rate in snd_usb_find_implicit_fb_sync_format()") Reported-by: coverity-bot <keescook@chromium.org> Link: https://lore.kernel.org/alsa-devel/202301121424.4A79A4...
```diff diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 1f72960d0d53..d959da7a1afb 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -160,11 +160,12 @@ find_substream_format(struct snd_usb_substream *subs, bool snd_usb_pcm_has_fixed_rate(struct snd_usb_substream *subs) { const struct audioformat *fp; - str...
f189c869ad92787ddd753558bcbae89d75825bb6
Analyze and fix the following issue in the Linux kernel code: arm64: dts: meson-gx: Fix the SCPI DVFS node name and unit address
Problem Details: Node names should be generic and use hyphens instead of underscores to not cause warnings. Also nodes without a reg property should not have a unit-address. Change the scpi_dvfs node to use clock-controller as node name without a unit address (since it does not have a reg property). Fixes: 70db166a2ba...
```diff diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index f8b115cd6775..a79a35e84281 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -250,7 +250,7 @@ scpi_clocks: clocks { compatible = "arm,scpi-clock...
e7303651bbc76c848007f1cfac1fbeaa65f600d1
Analyze and fix the following issue in the Linux kernel code: arm64: dts: meson-g12a: Fix internal Ethernet PHY unit name
Problem Details: Documentation/devicetree/bindings/net/ethernet-phy.yaml defines that the node name for Ethernet PHYs should match the following pattern: ^ethernet-phy(@[a-f0-9]+)?$ Replace the underscore with a hyphen to adhere to this binding. Fixes: 280c17df8fbf ("arm64: dts: meson: g12a: add mdio multiplexer") ...
```diff diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi index 585dd70f6cd5..1a931d5c2715 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi @@ -1694,7 +1694,7 @@ #address-cells = ...
8ed5310356bfa47cc6bb4221ae6b21258c52e3d1
Analyze and fix the following issue in the Linux kernel code: arm64: dts: meson-gx: Fix Ethernet MAC address unit name
Problem Details: Unit names should use hyphens instead of underscores to not cause warnings. Fixes: bfe59f92d306 ("ARM64: dts: amlogic: gxbb: Enable NVMEM") Suggested-by: Vyacheslav Bocharov <adeep@lexina.in> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Neil Armstrong <neil.arms...
```diff diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index e3c12e0be99d..f8b115cd6775 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -233,7 +233,7 @@ reg = <0x14 0x10>; }; - eth_mac: eth_mac@34 { +...
2f66eeb06e3e8b1cac9e9093be3baadbac2709eb
Analyze and fix the following issue in the Linux kernel code: arm64: dts: meson-axg: jethub-j1xx: Fix MAC address node names
Problem Details: Node names should use hyphens instead of underscores to not cause warnings. Fixes: 59ec069d5055 ("arm64: dts: meson-axg: add support for JetHub D1p (j110)") Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lor...
```diff diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j1xx.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j1xx.dtsi index 5836b0030931..22fd43b5fd73 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j1xx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j1x...
cb199de1d3aecb02556d8a6e26393015effa0a9f
Analyze and fix the following issue in the Linux kernel code: arm64: dts: meson-gxl: jethub-j80: Fix Bluetooth MAC node name
Problem Details: Node names should use hyphens instead of underscores to not cause warnings. Fixes: abfaae24ecf3 ("arm64: dts: meson-gxl: add support for JetHub H1") Suggested-by: Vyacheslav Bocharov <adeep@lexina.in> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Neil Armstrong <...
```diff diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-jethome-jethub-j80.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-jethome-jethub-j80.dts index 270483e007bc..bb7412070cb2 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-jethome-jethub-j80.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-...
f95acdb2b4af21caae2c76a48e565158181386ca
Analyze and fix the following issue in the Linux kernel code: arm64: dts: meson-gxl: jethub-j80: Fix WiFi MAC address node
Problem Details: Unit addresses should be written using lower-case hex characters. Use wifi_mac@c to fix a yaml schema validation error once the eFuse dt-bindings have been converted to a yaml schema: efuse: Unevaluated properties are not allowed ('wifi_mac@C' was unexpected) Also node names should use hyphens ins...
```diff diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-jethome-jethub-j80.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-jethome-jethub-j80.dts index 6831137c5c10..270483e007bc 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-jethome-jethub-j80.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-...
ea22f4319c3409d847d70eaaf149cc480a73220d
Analyze and fix the following issue in the Linux kernel code: ethtool: add netlink attr in rss get reply only if value is not null
Problem Details: Current code for RSS_GET ethtool command includes netlink attributes in reply message to user space even if they are null. Added checks to include netlink attribute in reply message only if a value is received from driver. Drivers might return null for RSS indirection table or hash key. Instead of incl...
```diff diff --git a/net/ethtool/rss.c b/net/ethtool/rss.c index ebe6145aed3f..be260ab34e58 100644 --- a/net/ethtool/rss.c +++ b/net/ethtool/rss.c @@ -122,10 +122,13 @@ rss_fill_reply(struct sk_buff *skb, const struct ethnl_req_info *req_base, { const struct rss_reply_data *data = RSS_REPDATA(reply_base); - if (nl...
01644a1f98ff45a4044395ce2bbfd534747e0676
Analyze and fix the following issue in the Linux kernel code: rxrpc: Fix wrong error return in rxrpc_connect_call()
Problem Details: Fix rxrpc_connect_call() to return -ENOMEM rather than 0 if it fails to look up a peer. This generated a smatch warning: net/rxrpc/call_object.c:303 rxrpc_connect_call() warn: missing error code 'ret' I think this also fixes a syzbot-found bug: rxrpc: Assertion failed - 1(0x1) == 11(...
```diff diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c index 3ded5a24627c..f3c9f0201c15 100644 --- a/net/rxrpc/call_object.c +++ b/net/rxrpc/call_object.c @@ -294,7 +294,7 @@ static void rxrpc_put_call_slot(struct rxrpc_call *call) static int rxrpc_connect_call(struct rxrpc_call *call, gfp_t gfp) { ...
926446ae24c03311a480fb96eb78f0ce7ea6d091
Analyze and fix the following issue in the Linux kernel code: amd-xgbe: Delay AN timeout during KR training
Problem Details: AN restart triggered during KR training not only aborts the KR training process but also move the HW to unstable state. Driver has to wait upto 500ms or until the KR training is completed before restarting AN cycle. Fixes: 7c12aa08779c ("amd-xgbe: Move the PHY support into amd-xgbe") Co-developed-by: ...
```diff diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c index 0c5c1b155683..43fdd111235a 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c @@ -496,6 +496,7 @@ static enum xgbe_an xgbe_an73_tx_training(struct xgbe_prv...
579923d84b04abb6cd4cd1fd9974096a2dd1832b
Analyze and fix the following issue in the Linux kernel code: amd-xgbe: TX Flow Ctrl Registers are h/w ver dependent
Problem Details: There is difference in the TX Flow Control registers (TFCR) between the revisions of the hardware. The older revisions of hardware used to have single register per queue. Whereas, the newer revision of hardware (from ver 30H onwards) have one register per priority. Update the driver to use the TFCR ba...
```diff diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 3936543a74d8..4030d619e84f 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -524,19 +524,28 @@ static void xgbe_disable_vxlan(struct xgbe_prv_data *pdata)...
9f907439dc80e4a2fcfb949927b36c036468dbb3
Analyze and fix the following issue in the Linux kernel code: bpf: hash map, avoid deadlock with suitable hash mask
Problem Details: The deadlock still may occur while accessed in NMI and non-NMI context. Because in NMI, we still may access the same bucket but with different map_locked index. For example, on the same CPU, .max_entries = 2, we update the hash map, with key = 4, while running bpf prog in NMI nmi_handle(), to update h...
```diff diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 5aa2b5525f79..66bded144377 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -152,7 +152,7 @@ static inline int htab_lock_bucket(const struct bpf_htab *htab, { unsigned long flags; - hash = hash & HASHTAB_MAP_LOCK_MASK; + hash = h...
961a325becd9a142ae5c8b258e5c2f221f8bfac8
Analyze and fix the following issue in the Linux kernel code: platform/chrome: cros_ec: Use per-device lockdep key
Problem Details: Lockdep reports a bogus possible deadlock on MT8192 Chromebooks due to the following lock sequences: 1. lock(i2c_register_adapter) [1]; lock(&ec_dev->lock) 2. lock(&ec_dev->lock); lock(prepare_lock); The actual dependency chains are much longer. The shortened version looks somewhat like: 1. cros-ec-...
```diff diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c index c4345dafec57..b895c8130bba 100644 --- a/drivers/platform/chrome/cros_ec.c +++ b/drivers/platform/chrome/cros_ec.c @@ -199,12 +199,14 @@ int cros_ec_register(struct cros_ec_device *ec_dev) if (!ec_dev->dout) return -ENO...
5fa1dd818fb4b30cd2de42696de547e243d946d6
Analyze and fix the following issue in the Linux kernel code: platform/chrome: fix kernel-doc warnings for cros_ec_command
Problem Details: Fix the following kernel-doc warnings: $ ./scripts/kernel-doc -none \ include/linux/platform_data/cros_ec_commands.h include/linux/platform_data/cros_ec_commands.h:1092: warning: expecting prototype for struct ec_response_get_cmd_version. Prototype was for struct ec_response_get_cmd_versions instead ...
```diff diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index 6665e7da6ee2..b9c4a3964247 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -1082,7 +1082,7 @@ struct ec_params_get_cmd_versions_v...
212c9b9c395f72fd83c10cf2692b9562c2110d0f
Analyze and fix the following issue in the Linux kernel code: platform/chrome: fix kernel-doc warning for last_resume_result
Problem Details: Fix the following kernel-doc warning: $ ./scripts/kernel-doc -none include/linux/platform_data/cros_ec_proto.h include/linux/platform_data/cros_ec_proto.h:187: warning: Function parameter or member 'last_resume_result' not described in 'cros_ec_device' Cc: Evan Green <evgreen@chromium.org> Fixes: 8c3...
```diff diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h index 805dcb19a36d..4865c54d4af1 100644 --- a/include/linux/platform_data/cros_ec_proto.h +++ b/include/linux/platform_data/cros_ec_proto.h @@ -136,6 +136,10 @@ struct cros_ec_command { * ...
20eb556dac27427f951ca13e117d32bd1c041b79
Analyze and fix the following issue in the Linux kernel code: platform/chrome: fix kernel-doc warning for suspend_timeout_ms
Problem Details: Fix the following kernel-doc warning: $ ./scripts/kernel-doc -none include/linux/platform_data/cros_ec_proto.h include/linux/platform_data/cros_ec_proto.h:187: warning: Function parameter or member 'suspend_timeout_ms' not described in 'cros_ec_device' Cc: Evan Green <evgreen@chromium.org> Fixes: e8b...
```diff diff --git a/include/linux/platform_data/cros_ec_proto.h b/include/linux/platform_data/cros_ec_proto.h index a4a3fec15504..805dcb19a36d 100644 --- a/include/linux/platform_data/cros_ec_proto.h +++ b/include/linux/platform_data/cros_ec_proto.h @@ -131,6 +131,11 @@ struct cros_ec_command { * @event_data: Raw pa...
16d73129f1fd8e91eb565482245233809647c649
Analyze and fix the following issue in the Linux kernel code: platform/chrome: fix kernel-doc warnings for panic notifier
Problem Details: Fix the following kernel-doc warnings: $ ./scripts/kernel-doc -none drivers/platform/chrome/* drivers/platform/chrome/cros_ec_debugfs.c:54: warning: Function parameter or member 'notifier_panic' not described in 'cros_ec_debugfs' $ ./scripts/kernel-doc -none include/linux/platform_data/cros_ec_proto....
```diff diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c index 34f7b46f8761..a98c529d8c69 100644 --- a/drivers/platform/chrome/cros_ec_debugfs.c +++ b/drivers/platform/chrome/cros_ec_debugfs.c @@ -38,6 +38,8 @@ static DECLARE_WAIT_QUEUE_HEAD(cros_ec_debugfs_log_wq); *...
9fdaca2c1e157dc0a3c0faecf3a6a68e7d8d0c7b
Analyze and fix the following issue in the Linux kernel code: kselftest: Fix error message for unconfigured LLVM builds
Problem Details: We are missing a ) when we attempt to complain about not having enough configuration for clang, resulting in the rather inscrutable error: ../lib.mk:23: *** unterminated call to function 'error': missing ')'. Stop. Add the required ) so we print the message we were trying to print. Signed-off-by: M...
```diff diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 291144c284fb..f7900e75d230 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -20,7 +20,7 @@ CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(ARCH)) ifeq ($(CROSS_COMPILE),) ifeq ($(C...
4ba5a4ad568e3b2396dca307894062b7e9442e61
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: Remove num_enc from topology struct in favour of num_dsc
Problem Details: Downstream calls this num_enc yet the DSC patches introduced a new num_dsc struct member, leaving num_enc effectively unused. Fixes: 7e9cc175b159 ("drm/msm/disp/dpu1: Add support for DSC in topology") Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org> Reviewed-by: Dmitry Baryshkov <dmitry.b...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 9c6817b5a194..a158cd502d38 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -579,19 +579,18 @@ static struct msm_display_topology dpu_encoder_...
7d9510efec33157f9994df735e035e1b18e2562b
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: Reject topologies for which no DSC blocks are available
Problem Details: Resource allocation of DSC blocks should behave more like LMs and CTLs where NULL resources (based on initial hw_blk creation via definitions in the catalog) are skipped ^1. The current hardcoded mapping of DSC blocks however means that resource allocation shouldn't succeed at all when the DSC block o...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index 73b3442e7467..f388ce4fb8e3 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -496,6 +496,11 @@ static int _dpu_rm_reserve_dsc(struct dpu_rm *rm, /* check if DS...
82e72fd22a8f9eff4e75c08be68319008ea90a29
Analyze and fix the following issue in the Linux kernel code: drm/msm/dsi: Flip greater-than check for slice_count and slice_per_intf
Problem Details: According to downstream /and the comment copied from it/ this comparison should be the other way around. In other words, when the panel driver requests to use more slices per packet than what could be sent over this interface, it is bumped down to only use a single slice per packet (and strangely not ...
```diff diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 2037aa8772c8..c3cd96de7f7d 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -853,11 +853,12 @@ static void dsi_update_dsc_timing(struct msm_dsi_host *msm_host, bool is_cmd_mod ...
bc6b6ff8135c4b96787eda88f3baf653939a75ce
Analyze and fix the following issue in the Linux kernel code: drm/msm/dsi: Use DSC slice(s) packet size to compute word count
Problem Details: According to downstream the value to use for WORD_COUNT is bytes_per_pkt, which denotes the number of bytes in a packet based on how many slices have been configured by the panel driver times the width of a slice times the number of bytes per pixel. The DSC panels seen thus far use one byte per pixel,...
```diff diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 89aadd3b3202..2037aa8772c8 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -987,7 +987,7 @@ static void dsi_timing_setup(struct msm_dsi_host *msm_host, bool is_bonded_dsi) if...
cda3774c242e156cdcc279bd36b404af89f744c6
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: Wire up DSC mask for active CTL configuration
Problem Details: Active CTLs have to configure what DSC block(s) have to be enabled, and what DSC block(s) have to be flushed; this value was initialized to zero resulting in the necessary register writes to never happen (or would write zero otherwise). This seems to have gotten lost in the DSC v4->v5 series while ref...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c index ae28b2b93e69..35791f93c33d 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c @@ -61,6 +61,7 @@ static void _dp...
cf5ac2d45f6e4d11ad78e7b10ae9a4121ba5e995
Analyze and fix the following issue in the Linux kernel code: platform/x86: int3472/discrete: Ensure the clk/power enable pins are in output mode
Problem Details: acpi_get_and_request_gpiod() does not take a gpio_lookup_flags argument specifying that the pins direction should be initialized to a specific value. This means that in some cases the pins might be left in input mode, causing the gpiod_set() calls made to enable the clk / regulator to not work. One e...
```diff diff --git a/drivers/platform/x86/intel/int3472/clk_and_regulator.c b/drivers/platform/x86/intel/int3472/clk_and_regulator.c index b2342b3d78c7..74dc2cff799e 100644 --- a/drivers/platform/x86/intel/int3472/clk_and_regulator.c +++ b/drivers/platform/x86/intel/int3472/clk_and_regulator.c @@ -181,6 +181,9 @@ int s...
ccb32e2be14271a60e9ba89c6d5660cc9998773c
Analyze and fix the following issue in the Linux kernel code: platform/x86/amd: Fix refcount leak in amd_pmc_probe
Problem Details: pci_get_domain_bus_and_slot() takes reference, the caller should release the reference by calling pci_dev_put() after use. Call pci_dev_put() in the error path to fix this. Fixes: 3d7d407dfb05 ("platform/x86: amd-pmc: Add support for AMD Spill to DRAM STB feature") Signed-off-by: Miaoqian Lin <linmq00...
```diff diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c index 439d282aafd1..8d924986381b 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -932,7 +932,7 @@ static int amd_pmc_probe(struct platform_device *pdev) if (enable_stb && (dev->cpu_id == AMD_CPU_ID...
b0907cadabcae6f1248f37a32a6e777f9ff6d4aa
Analyze and fix the following issue in the Linux kernel code: md: fix incorrect declaration about claim_rdev in md_import_device
Problem Details: Commit fb541ca4c365 ("md: remove lock_bdev / unlock_bdev") removes wrappers for blkdev_get/blkdev_put. However, the uninitialized local static variable of pointer type 'claim_rdev' in md_import_device() is NULL, which leads to the following warning call trace: WARNING: CPU: 22 PID: 1037 at block/bde...
```diff diff --git a/drivers/md/md.c b/drivers/md/md.c index 8af639296b3c..02b0240e7c71 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3644,7 +3644,7 @@ EXPORT_SYMBOL_GPL(md_rdev_init); */ static struct md_rdev *md_import_device(dev_t newdev, int super_format, int super_minor) { - static struct md_rdev *cla...
6dc485f9940df8105ea729cbeb7a7d18d409dde5
Analyze and fix the following issue in the Linux kernel code: platform/x86: dell-privacy: Only register SW_CAMERA_LENS_COVER if present
Problem Details: Unlike keys where userspace only reacts to keypresses, userspace may act on switches in both (0 and 1) of their positions. For example if a SW_TABLET_MODE switch is registered then GNOME will not automatically show the onscreen keyboard when a text field gets focus on touchscreen devices when SW_TABLE...
```diff diff --git a/drivers/platform/x86/dell/dell-wmi-privacy.c b/drivers/platform/x86/dell/dell-wmi-privacy.c index 915d5deeb971..c517bd45dd32 100644 --- a/drivers/platform/x86/dell/dell-wmi-privacy.c +++ b/drivers/platform/x86/dell/dell-wmi-privacy.c @@ -296,7 +296,7 @@ static int dell_privacy_wmi_probe(struct wmi_...
1af7fef0d9d3fa075bf4e850f705df1fe97d33ce
Analyze and fix the following issue in the Linux kernel code: platform/x86: dell-privacy: Fix SW_CAMERA_LENS_COVER reporting
Problem Details: Use KE_VSW instead of KE_SW for the SW_CAMERA_LENS_COVER key_entry and get the value of the switch from the status field when handling SW_CAMERA_LENS_COVER events, instead of always reporting 0. Also correctly set the initial SW_CAMERA_LENS_COVER value. Fixes: 8af9fa37b8a3 ("platform/x86: dell-privac...
```diff diff --git a/drivers/platform/x86/dell/dell-wmi-privacy.c b/drivers/platform/x86/dell/dell-wmi-privacy.c index c82b3d6867c5..915d5deeb971 100644 --- a/drivers/platform/x86/dell/dell-wmi-privacy.c +++ b/drivers/platform/x86/dell/dell-wmi-privacy.c @@ -61,7 +61,7 @@ static const struct key_entry dell_wmi_keymap_t...
01fd7e7851ba2275662f771ee17d1f80e7bbfa52
Analyze and fix the following issue in the Linux kernel code: platform/x86: asus-wmi: Don't load fan curves without fan
Problem Details: If we do not have a fan it does not make sense to load curves for it. This removes the following warnings from the kernel log: asus_wmi: fan_curve_get_factory_default (0x00110024) failed: -19 asus_wmi: fan_curve_get_factory_default (0x00110025) failed: -19 Fixes: a2bdf10ce96e ("platform/x86: asus-wmi...
```diff diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 4a289ca7e76c..104188d70988 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -2438,6 +2438,9 @@ static int fan_curve_check_present(struct asus_wmi *asus, bool *available, *available = fal...
ec4a1d9301100c011312357ea25627b98eb293d5
Analyze and fix the following issue in the Linux kernel code: phy: renesas: r8a779f0-eth-serdes: Fix register setting
Problem Details: Fix register setting which is typo in r8a779f0_eth_serdes_chan_setting(). Fixes: 742859441d44 ("phy: renesas: Add Renesas Ethernet SERDES driver for R-Car S4-8") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20221226064216.3895421-1-yoshihiro.shimo...
```diff diff --git a/drivers/phy/renesas/r8a779f0-ether-serdes.c b/drivers/phy/renesas/r8a779f0-ether-serdes.c index ec6594e6dc27..e7588a940d69 100644 --- a/drivers/phy/renesas/r8a779f0-ether-serdes.c +++ b/drivers/phy/renesas/r8a779f0-ether-serdes.c @@ -126,7 +126,7 @@ r8a779f0_eth_serdes_chan_setting(struct r8a779f0_...
17eee264ef386ef30a69dd70e36f29893b85c170
Analyze and fix the following issue in the Linux kernel code: phy: usb: sunplus: Fix potential null-ptr-deref in sp_usb_phy_probe()
Problem Details: sp_usb_phy_probe() will call platform_get_resource_byname() that may fail and return NULL. devm_ioremap() will use usbphy->moon4_res_mem->start as input, which may causes null-ptr-deref. Check the ret value of platform_get_resource_byname() to avoid the null-ptr-deref. Fixes: 99d9ccd97385 ("phy: usb: ...
```diff diff --git a/drivers/phy/sunplus/phy-sunplus-usb2.c b/drivers/phy/sunplus/phy-sunplus-usb2.c index e827b79f6d49..56de41091d63 100644 --- a/drivers/phy/sunplus/phy-sunplus-usb2.c +++ b/drivers/phy/sunplus/phy-sunplus-usb2.c @@ -254,6 +254,9 @@ static int sp_usb_phy_probe(struct platform_device *pdev) return P...
c965daac370f08a9b71d573a71d13cda76f2a884
Analyze and fix the following issue in the Linux kernel code: platform/surface: aggregator: Add missing call to ssam_request_sync_free()
Problem Details: Although rare, ssam_request_sync_init() can fail. In that case, the request should be freed via ssam_request_sync_free(). Currently it is leaked instead. Fix this. Fixes: c167b9c7e3d6 ("platform/surface: Add Surface Aggregator subsystem") Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com> Link: h...
```diff diff --git a/drivers/platform/surface/aggregator/controller.c b/drivers/platform/surface/aggregator/controller.c index 43e765199137..c6537a1b3a2e 100644 --- a/drivers/platform/surface/aggregator/controller.c +++ b/drivers/platform/surface/aggregator/controller.c @@ -1700,8 +1700,10 @@ int ssam_request_sync(stru...
ae0fa0a3126a86c801c3220fcd8eefe03aa39f3e
Analyze and fix the following issue in the Linux kernel code: platform/surface: aggregator: Ignore command messages not intended for us
Problem Details: It is possible that we (the host/kernel driver) receive command messages that are not intended for us. Ignore those for now. The whole story is a bit more complicated: It is possible to enable debug output on SAM, which is sent via SSH command messages. By default this output is sent to a debug connec...
```diff diff --git a/drivers/platform/surface/aggregator/ssh_request_layer.c b/drivers/platform/surface/aggregator/ssh_request_layer.c index f5565570f16c..69132976d297 100644 --- a/drivers/platform/surface/aggregator/ssh_request_layer.c +++ b/drivers/platform/surface/aggregator/ssh_request_layer.c @@ -916,6 +916,20 @@ ...
6e5aedb9324aab1c14a23fae3d8eeb64a679c20e
Analyze and fix the following issue in the Linux kernel code: io_uring/poll: attempt request issue after racy poll wakeup
Problem Details: If we have multiple requests waiting on the same target poll waitqueue, then it's quite possible to get a request triggered and get disappointed in not being able to make any progress with it. If we race in doing so, we'll potentially leave the poll request on the internal tables, but removed from the ...
```diff diff --git a/io_uring/poll.c b/io_uring/poll.c index cf6a70bd54e0..32e5fc8365e6 100644 --- a/io_uring/poll.c +++ b/io_uring/poll.c @@ -223,21 +223,22 @@ enum { IOU_POLL_DONE = 0, IOU_POLL_NO_ACTION = 1, IOU_POLL_REMOVE_POLL_USE_RES = 2, + IOU_POLL_REISSUE = 3, }; /* * All poll tw should go through t...
14d98d3bf70e2a67249c7930e892b16346806558
Analyze and fix the following issue in the Linux kernel code: phy: qcom-qmp-usb: fix regs layout arrays
Problem Details: Drop qcm2290_usb3phy_regs_layout, it is a duplicate of qmp_v3_usb3phy_regs_layout. Introduce qmp_v5_usb3phy_regs_layout to be used for sm8350 and sc8280xp. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20221110192248.873973-13-dmitry.baryshkov@linaro.org...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c index 294332f8d39d..30a7c04c2392 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c @@ -125,13 +125,15 @@ static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOU...
83cb72b4e343b35f1b86d2f64bd8a764b492ece6
Analyze and fix the following issue in the Linux kernel code: phy: qcom-qmp-usb: rework regs layout arrays
Problem Details: Use symbolic names for the values inside reg layout arrays. New register names are added following the PCS register layout that is used by the particular PHY. Note: ipq8074 tables appear to use a mixture of v2 and v3 registers. This might need additional fixes. Signed-off-by: Dmitry Baryshkov <dmitry...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h index c7e8e2a28e6e..bf36399d0057 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v2.h @@ -28,7 +28,10 @@ #define QPHY_V2_PCS_FLL_CNT_VAL_L 0x0c8 #define QP...
61f21e0efa4b9770e5af0b0830c0548a3f5ad8ba
Analyze and fix the following issue in the Linux kernel code: phy: qcom-qmp-pcie-msm8996: rework regs layout arrays
Problem Details: Use symbolic names for the values inside reg layout arrays. New register names are added following the PCS register layout that is used by the particular PHY. Note: ipq8074 tables appear to use a mixture of v2 and v3 registers. This might need additional fixes. Signed-off-by: Dmitry Baryshkov <dmitry...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c index a088477e274f..09824be088c9 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c @@ -84,9 +84,9 @@ static const unsigned int pciep...
a85dcc98cbe6a7ba3ba88e0003541464e125036b
Analyze and fix the following issue in the Linux kernel code: phy: qcom-qmp: fix typo in QSERDES_COM_CMN_RSVD5 value
Problem Details: Fix typo in QSERDES_COM_CMN_RSVD5 register definition. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20221110192248.873973-2-dmitry.baryshkov@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com.h b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com.h index fbaf6ef467f8..7fa5363feeb9 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com.h +++ b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com.h @@ -135,6 +135,6 @@ #define QSERDES_COM_CMN_MISC2 ...
30792e7c18b659599d9b67922d60d76eee1a0e5d
Analyze and fix the following issue in the Linux kernel code: kselftest/arm64: Fix test numbering when skipping tests
Problem Details: Currently when skipping tests in the BTI testsuite we assign the same number to every test since we forget to increment the current test number as we skip, causing warnings about not running the expected test count and potentially otherwise confusing result parsers. Fix this by adding an appropriate in...
```diff diff --git a/tools/testing/selftests/arm64/bti/test.c b/tools/testing/selftests/arm64/bti/test.c index 67b77ab83c20..4b6dda987c58 100644 --- a/tools/testing/selftests/arm64/bti/test.c +++ b/tools/testing/selftests/arm64/bti/test.c @@ -112,7 +112,7 @@ static void __do_test(void (*trampoline)(void (*)(void)), i...
c99649c3359e9abe26f9a8903618d42059ba319d
Analyze and fix the following issue in the Linux kernel code: phy: qcom-qmp-pcie: rename the sm8450 gen3 PHY config tables
Problem Details: SM8350 PHY config tables are mostly the same as SM8450 gen3 PHY config tables. Rename generic tables to remove x1 suffix. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20221118233242.2904088-6-dmitry.baryshkov@linaro.org Signed-off-by: Vinod Koul <vkoul@...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index b55588496a19..c5867cbd50cb 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -1216,7 +1216,7 @@ static const struct qmp_phy_init_tbl sdx55_qmp_pcie_pcs_mis...
64e57b2195725c1ae2246a8a2ce224abb60620ac
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: sof_es8336: Drop reference count of ACPI device after use
Problem Details: Theoretically the device might gone if its reference count drops to 0. This might be the case when we try to find the first physical node of the ACPI device. We need to keep reference to it until we get a result of the above mentioned call. Refactor the code to drop the reference count at the correct p...
```diff diff --git a/sound/soc/intel/boards/sof_es8336.c b/sound/soc/intel/boards/sof_es8336.c index 773e5d1d87d4..894b6610b9e2 100644 --- a/sound/soc/intel/boards/sof_es8336.c +++ b/sound/soc/intel/boards/sof_es8336.c @@ -681,7 +681,6 @@ static int sof_es8336_probe(struct platform_device *pdev) if (adev) { snprin...
c8aa49abdeda2ab587aadb083e670f6aa0236f93
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: bytcr_wm5102: Drop reference count of ACPI device after use
Problem Details: Theoretically the device might gone if its reference count drops to 0. This might be the case when we try to find the first physical node of the ACPI device. We need to keep reference to it until we get a result of the above mentioned call. Refactor the code to drop the reference count at the correct p...
```diff diff --git a/sound/soc/intel/boards/bytcr_wm5102.c b/sound/soc/intel/boards/bytcr_wm5102.c index 1669eb3bd80f..c0706537f673 100644 --- a/sound/soc/intel/boards/bytcr_wm5102.c +++ b/sound/soc/intel/boards/bytcr_wm5102.c @@ -411,9 +411,9 @@ static int snd_byt_wm5102_mc_probe(struct platform_device *pdev) retur...
cbf87bcf46e399e9a5288430d940efbad3551c68
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: bytcr_rt5640: Drop reference count of ACPI device after use
Problem Details: Theoretically the device might gone if its reference count drops to 0. This might be the case when we try to find the first physical node of the ACPI device. We need to keep reference to it until we get a result of the above mentioned call. Refactor the code to drop the reference count at the correct p...
```diff diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c index 4699ca79f3ea..79e0039c79a3 100644 --- a/sound/soc/intel/boards/bytcr_rt5640.c +++ b/sound/soc/intel/boards/bytcr_rt5640.c @@ -1636,13 +1636,18 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev) if...
721858823d7cdc8f2a897579b040e935989f6f02
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: bytcr_rt5651: Drop reference count of ACPI device after use
Problem Details: Theoretically the device might gone if its reference count drops to 0. This might be the case when we try to find the first physical node of the ACPI device. We need to keep reference to it until we get a result of the above mentioned call. Refactor the code to drop the reference count at the correct p...
```diff diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c index 81ac6eeda2e6..8fca9b82d4d0 100644 --- a/sound/soc/intel/boards/bytcr_rt5651.c +++ b/sound/soc/intel/boards/bytcr_rt5651.c @@ -922,7 +922,6 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev) if (ad...
6b1c0bd6fdefbf3c3d75680c2708f5423ef72e46
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: bytcht_es8316: Drop reference count of ACPI device after use
Problem Details: Theoretically the device might gone if its reference count drops to 0. This might be the case when we try to find the first physical node of the ACPI device. We need to keep reference to it until we get a result of the above mentioned call. Refactor the code to drop the reference count at the correct p...
```diff diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c index 09d1f0f6d686..df157b01df8b 100644 --- a/sound/soc/intel/boards/bytcht_es8316.c +++ b/sound/soc/intel/boards/bytcht_es8316.c @@ -497,21 +497,28 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev...
99c621ef243bda726fb8d982a274ded96570b410
Analyze and fix the following issue in the Linux kernel code: workqueue: Protects wq_unbound_cpumask with wq_pool_attach_mutex
Problem Details: When unbind_workers() reads wq_unbound_cpumask to set the affinity of freshly-unbound kworkers, it only holds wq_pool_attach_mutex. This isn't sufficient as wq_unbound_cpumask is only protected by wq_pool_mutex. Make wq_unbound_cpumask protected with wq_pool_attach_mutex and also remove the need of te...
```diff diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 76b41850b158..55cca6ca1e78 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -326,7 +326,7 @@ static struct rcuwait manager_wait = __RCUWAIT_INITIALIZER(manager_wait); static LIST_HEAD(workqueues); /* PR: list of all workqueues */ static bo...
97ec597b26df774a257e3f8e97353fd1b4471615
Analyze and fix the following issue in the Linux kernel code: kselftest/arm64: Fix syscall-abi for systems without 128 bit SME
Problem Details: SME does not mandate any specific VL so we may not have 128 bit SME but the algorithm used for enumerating VLs assumes that we will. Add the required check to ensure that the algorithm terminates. Fixes: 43e3f85523e4 ("kselftest/arm64: Add SME support to syscall ABI test") Signed-off-by: Mark Brown <b...
```diff diff --git a/tools/testing/selftests/arm64/abi/syscall-abi.c b/tools/testing/selftests/arm64/abi/syscall-abi.c index dd7ebe536d05..ffe719b50c21 100644 --- a/tools/testing/selftests/arm64/abi/syscall-abi.c +++ b/tools/testing/selftests/arm64/abi/syscall-abi.c @@ -390,6 +390,10 @@ static void test_one_syscall(str...
291d759ab09ba725cf3325d3d3850fb2786626fa
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: ulcb-kf: Fix pca9548 i2c-mux node names
Problem Details: "make dtbs_check": arch/arm64/boot/dts/renesas/r8a77951-ulcb-kf.dtb: i2c-switch@71: $nodename:0: 'i2c-switch@71' does not match '^(i2c-?)?mux' From schema: Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml arch/arm64/boot/dts/renesas/r8a77951-ulcb-kf.dtb: i2c-switch@71: Unevaluat...
```diff diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi index 408871c2859d..3b27ec7f45d6 100644 --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi @@ -126,7 +126,7 @@ }; &i2c2 { - i2cswitch2: i2c-switch@71 { + i2cmux2: i2c-m...
fbfd614aeaa2853c2c575299dfe2458db8eff67e
Analyze and fix the following issue in the Linux kernel code: clk: renesas: cpg-mssr: Fix use after free if cpg_mssr_common_init() failed
Problem Details: If cpg_mssr_common_init() fails after assigning priv to global variable cpg_mssr_priv, it deallocates priv, but cpg_mssr_priv keeps dangling pointer that potentially can be used later. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 1f7db7bbf031 ("clk: renesas: cpg-mssr: Add ...
```diff diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index 1a0cdf001b2f..5dce9779324d 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -989,7 +989,6 @@ static int __init cpg_mssr_common_init(struct device *dev, goto ou...
8c6e105558628b63292ae770198f11a1d5535660
Analyze and fix the following issue in the Linux kernel code: arm64/sysreg: Fix errors in 32 bit enumeration values
Problem Details: The recently converted 32 bit ID registers have errors in MVFR0_EL1.FPSP, MVFR0_EL1.SIMDReg and MVFR1_EL1.SIMDHP where enumeration values which should be 0b0010 are specified as 0b0001. Correct these. Fixes: e79c94a2a487 ("arm64/sysreg: Convert MVFR0_EL1 to automatic generation") Fixes: c9b718eda706 (...
```diff diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg index 184e58fd5631..e8fb6684d7f3 100644 --- a/arch/arm64/tools/sysreg +++ b/arch/arm64/tools/sysreg @@ -689,17 +689,17 @@ EndEnum Enum 11:8 FPDP 0b0000 NI 0b0001 VFPv2 - 0b0001 VFPv3 + 0b0010 VFPv3 EndEnum Enum 7:4 FPSP 0b0000 NI 0b0001 V...
50daf5b7c4ec4efcaf49a4128930f872bec7dbc0
Analyze and fix the following issue in the Linux kernel code: arm64/cpufeature: Fix field sign for DIT hwcap detection
Problem Details: Since it was added our hwcap for DIT has specified that DIT is a signed field but this appears to be incorrect, the two values for the enumeration are: 0b0000 NI 0b0001 IMP which look like a normal unsigned enumeration and the in-kernel DIT usage added by 01ab991fc0ee ("arm64: Enable data independe...
```diff diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index a77315b338e6..ee40dca9f28e 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -2777,7 +2777,7 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = { HWCAP_CAP(SYS_ID_AA64PFR0_EL1, ...
bb45bb9705372d9335ccd7e3fc5436770ec6d846
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sc8280xp: Use MMCX for all DP controllers
Problem Details: While MDSS_GDSC is a subdomain of MMCX, Linux does not respect this relationship and sometimes invokes sync_state on the rpmhpd (MMCX) before the DisplayPort controller has had a chance to probe. The result when this happens is that the power is lost to the multimedia subsystem between the probe of ms...
```diff diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index 0fdfc1c9299d..e50b75504142 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -2564,7 +2564,7 @@ interrupts = <15>; phys = <&mdss0_dp3_phy>; phy-name...
a152d05ae4a71d802d50cf9177dba34e8bb09f68
Analyze and fix the following issue in the Linux kernel code: cifs: Fix uninitialized memory read for smb311 posix symlink create
Problem Details: If smb311 posix is enabled, we send the intended mode for file creation in the posix create context. Instead of using what's there on the stack, create the mfsymlink file with 0644. Fixes: ce558b0e17f8a ("smb3: Add posix create context for smb3.11 posix mounts") Cc: stable@vger.kernel.org Signed-off-b...
```diff diff --git a/fs/cifs/link.c b/fs/cifs/link.c index bd374feeccaa..a5a097a69983 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -428,6 +428,7 @@ smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, oparms.disposition = FILE_CREATE; oparms.fid = &fid; oparms.reconnect = false; + oparms.mode =...
fe07640280cd29ac2997a617a1fb5487feef9387
Analyze and fix the following issue in the Linux kernel code: arm64: dts: qcom: sc8280xp: Vote for CX in USB controllers
Problem Details: Running GCC_USB30_*_MASTER_CLK at 200MHz requires CX at nominal level, not doing so results in occasional lockups. This was previously hidden by the fact that the display stack incorrectly voted for CX (instead of MMCX). Fixes: 152d1faf1e2f ("arm64: dts: qcom: add SC8280XP platform") Signed-off-by: Bj...
```diff diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index f755ae0b8fb5..0fdfc1c9299d 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -2296,6 +2296,7 @@ "ss_phy_irq"; power-domains = <&gcc USB30_PRIM_GDSC>;...
16199ad9eb6db60a6b10794a09fc1ac6d09312ff
Analyze and fix the following issue in the Linux kernel code: btrfs: do not abort transaction on failure to write log tree when syncing log
Problem Details: When syncing the log, if we fail to write log tree extent buffers, we mark the log for a full commit and abort the transaction. However we don't need to abort the transaction, all we really need to do is to make sure no one can commit a superblock pointing to new log tree roots. Just because we got a f...
```diff diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 8aeaada1fcae..3aa04224315e 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -367,7 +367,14 @@ error: btrfs_print_tree(eb, 0); btrfs_err(fs_info, "block=%llu write time tree block corruption detected", eb->start); - WARN_ON(IS_ENABLED...
94cd63ae679973edeb5ea95ec25a54467c3e54c8
Analyze and fix the following issue in the Linux kernel code: btrfs: add missing setup of log for full commit at add_conflicting_inode()
Problem Details: When logging conflicting inodes, if we reach the maximum limit of inodes, we return BTRFS_LOG_FORCE_COMMIT to force a transaction commit. However we don't mark the log for full commit (with btrfs_set_log_full_commit()), which means that once we leave the log transaction and before we commit the transac...
```diff diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index c09daab3f19e..afad44a0becf 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -5598,8 +5598,10 @@ static int add_conflicting_inode(struct btrfs_trans_handle *trans, * LOG_INODE_EXISTS mode) and slow down other fsyncs or transaction * ...
8bb6898da6271d82d8e76d8088d66b971a7dcfa6
Analyze and fix the following issue in the Linux kernel code: btrfs: fix directory logging due to race with concurrent index key deletion
Problem Details: Sometimes we log a directory without holding its VFS lock, so while we logging it, dir index entries may be added or removed. This typically happens when logging a dentry from a parent directory that points to a new directory, through log_new_dir_dentries(), or when while logging some other inode we al...
```diff diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 3ef0266e9527..c09daab3f19e 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3857,17 +3857,26 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans, btrfs_release_path(path); /* - * Find the first key from this tran...
6d3d970b2735b967650d319be27268fedc5598d1
Analyze and fix the following issue in the Linux kernel code: btrfs: fix missing error handling when logging directory items
Problem Details: When logging a directory, at log_dir_items(), if we get an error when attempting to search the subvolume tree for a dir index item, we end up returning 0 (success) from log_dir_items() because 'err' is left with a value of 0. This can lead to a few problems, specially in the case the variable 'last_of...
```diff diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index fb52aa060093..3ef0266e9527 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3826,7 +3826,10 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans, path->slots[0]); if (tmp.type == BTRFS_DIR_INDEX_KEY) ...
07a2975c65f2be2e22591d795a9c39b00f95fd11
Analyze and fix the following issue in the Linux kernel code: drm/vc4: bo: Fix drmm_mutex_init memory hog
Problem Details: Commit 374146cad469 ("drm/vc4: Switch to drmm_mutex_init") converted, among other functions, vc4_create_object() to use drmm_mutex_init(). However, that function is used to allocate a BO, and therefore the mutex needs to be freed much sooner than when the DRM device is removed from the system. For ea...
```diff diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index 43d9b3a6a352..29ce2fa72cc4 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -179,6 +179,7 @@ static void vc4_bo_destroy(struct vc4_bo *bo) bo->validated_shader = NULL; } + mutex_destroy(&bo->madv...
eb6c59b735aa6cca77cdbb59cc69d69a0d63d986
Analyze and fix the following issue in the Linux kernel code: xfrm: compat: change expression for switch in xfrm_xlate64
Problem Details: Compare XFRM_MSG_NEWSPDINFO (value from netlink configuration messages enum) with nlh_src->nlmsg_type instead of nlh_src->nlmsg_type - XFRM_MSG_BASE. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 4e9505064f58 ("net/xfrm/compat: Copy xfrm_spdattr_type_t atributes") Signed-of...
```diff diff --git a/net/xfrm/xfrm_compat.c b/net/xfrm/xfrm_compat.c index a0f62fa02e06..12405aa5bce8 100644 --- a/net/xfrm/xfrm_compat.c +++ b/net/xfrm/xfrm_compat.c @@ -302,7 +302,7 @@ static int xfrm_xlate64(struct sk_buff *dst, const struct nlmsghdr *nlh_src) nla_for_each_attr(nla, attrs, len, remaining) { int...
040b35c19bf2bdbb8ba5f8742b4e199ace3cbdc3
Analyze and fix the following issue in the Linux kernel code: drm/ttm: Fix a regression causing kernel oops'es
Problem Details: The branch is explicitly taken if ttm == NULL which means that to avoid a null pointer reference the ttm object can not be used inside. Switch back to dst_mem to avoid kernel oops'es. This fixes kernel oops'es with any buffer objects which don't have ttm_tt, e.g. with vram based screen objects on vmwg...
```diff diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index ba3aa0a0fc43..da5493f789df 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -173,7 +173,7 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, clear = src_iter->ops->maps_tt &...
d784fc8be6814b31854f7b529919ca4506ff8066
Analyze and fix the following issue in the Linux kernel code: ASoC: amd: acp-es8336: Drop reference count of ACPI device after use
Problem Details: Theoretically the device might gone if its reference count drops to 0. This might be the case when we try to find the first physical node of the ACPI device. We need to keep reference to it until we get a result of the above mentioned call. Refactor the code to drop the reference count at the correct p...
```diff diff --git a/sound/soc/amd/acp-es8336.c b/sound/soc/amd/acp-es8336.c index 2fe8df86053a..89499542c803 100644 --- a/sound/soc/amd/acp-es8336.c +++ b/sound/soc/amd/acp-es8336.c @@ -198,9 +198,11 @@ static int st_es8336_late_probe(struct snd_soc_card *card) int ret; adev = acpi_dev_get_first_match_dev("ESSX8...
9bfa2544dbd1133f0b0af4e967de3bb9c1e3a497
Analyze and fix the following issue in the Linux kernel code: ARM: dts: at91: sam9x60: fix the ddr clock for sam9x60
Problem Details: The 2nd DDR clock for sam9x60 DDR controller is peripheral clock with id 49. Fixes: 1e5f532c2737 ("ARM: dts: at91: sam9x60: add device tree for soc and board") Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Link: https://lore.kernel.org/r/20221208115241.36312-1-claudiu.beznea@microchip.c...
```diff diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi index 8f5477e307dd..37a5d96aaf64 100644 --- a/arch/arm/boot/dts/sam9x60.dtsi +++ b/arch/arm/boot/dts/sam9x60.dtsi @@ -564,7 +564,7 @@ mpddrc: mpddrc@ffffe800 { compatible = "microchip,sam9x60-ddramc", "atmel,sama5d3-ddramc"; ...
6e41acd2e5353c5362e0d5c2f5ba495c54ff555e
Analyze and fix the following issue in the Linux kernel code: drm/vkms: reintroduce prepare_fb and cleanup_fb functions
Problem Details: With commit 359c6649cd9a ("drm/gem: Implement shadow-plane {begin, end}_fb_access with vmap"), the behavior of the shadow-plane helpers changed and the vunmap is now performed at the end of the current pageflip, instead of the end of the following pageflip. By performing the vunmap at the end of the c...
```diff diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index c3a845220e10..b3f8a115cc23 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -160,10 +160,44 @@ static int vkms_plane_atomic_check(struct drm_plane *plane, return 0; } +static in...
28c8e088427ad30b4260953f3b6f908972b77c2d
Analyze and fix the following issue in the Linux kernel code: rseq: Increase AT_VECTOR_SIZE_BASE to match rseq auxvec entries
Problem Details: Two new auxiliary vector entries are introduced for rseq without matching increment of the AT_VECTOR_SIZE_BASE, which causes failures with CONFIG_HARDENED_USERCOPY=y. Fixes: 317c8194e6ae ("rseq: Introduce feature size and alignment ELF auxiliary vector entries") Reported-by: Nathan Chancellor <nathan@...
```diff diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h index f68d0ec2d740..407f7005e6d6 100644 --- a/include/linux/auxvec.h +++ b/include/linux/auxvec.h @@ -4,6 +4,6 @@ #include <uapi/linux/auxvec.h> -#define AT_VECTOR_SIZE_BASE 20 /* NEW_AUX_ENT entries in auxiliary table */ +#define AT_VECTOR_SIZE_...
26ce6ec364f18d2915923bc05784084e54a5c4cc
Analyze and fix the following issue in the Linux kernel code: x86/mm: fix poking_init() for Xen PV guests
Problem Details: Commit 3f4c8211d982 ("x86/mm: Use mm_alloc() in poking_init()") broke the kernel for running as Xen PV guest. It seems as if the new address space is never activated before being used, resulting in Xen rejecting to accept the new CR3 value (the PGD isn't pinned). Fix that by adding the now missing ca...
```diff diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index d3987359d441..cb258f58fdc8 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -26,6 +26,7 @@ #include <asm/pti.h> #include <asm/text-patching.h> #include <asm/memtype.h> +#include <asm/paravirt.h> /* * We need to define the tracepoints ...
71a659bffeb9b70787b1e697c6110665af86ed2d
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix double space in comment
Problem Details: Remove a space in "the frames". Signed-off-by: Nick Hainke <vincent@systemli.org> Link: https://lore.kernel.org/r/20221222092957.870790-1-vincent@systemli.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
```diff diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 8f9a2ab502b3..c885076fae89 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2727,7 +2727,7 @@ static int ieee80211_scan(struct wiphy *wiphy, * If the scan has been forced (and the driver supports * forcing), don't care about being be...
ae9dcb91c6069e20b3b9505d79cbc89fd6e086f5
Analyze and fix the following issue in the Linux kernel code: net: stmmac: add aux timestamps fifo clearance wait
Problem Details: Add timeout polling wait for auxiliary timestamps snapshot FIFO clear bit (ATSFC) to clear. This is to ensure no residue fifo value is being read erroneously. Fixes: f4da56529da6 ("net: stmmac: Add support for external trigger timestamping") Cc: <stable@vger.kernel.org> # 5.10.x Signed-off-by: Noor Az...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c index fc06ddeac0d5..b4388ca8d211 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c @@ -210,7 +210,10 @@ static int stmmac_enable(str...
21681b81b9ae548c5dae7ae00d931197a27f480c
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix use-after-free KFENCE violation during sysfs firmware write
Problem Details: During the sysfs firmware write process, a use-after-free read warning is logged from the lpfc_wr_object() routine: BUG: KFENCE: use-after-free read in lpfc_wr_object+0x235/0x310 [lpfc] Use-after-free read at 0x0000000000cf164d (in kfence-#111): lpfc_wr_object+0x235/0x310 [lpfc] lpfc_write_fir...
```diff diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index c21187c93a5f..55dfab9ae3c9 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -20815,6 +20815,7 @@ lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list, struct lpfc_mbx_wr_object *wr_obje...
c051f1a424a15b73c493090a9f1c0273398b1637
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Exit PRLI completion handling early if ndlp not in PRLI_ISSUE state
Problem Details: In a large SAN testing configuration, frequent target port toggle tests are occasionally resulting in missing lun path rediscoveries. An outstanding PRLI can be inflight when a target RSCN dissappearance occurs, causing the driver to retry PRLIs using invalid rpi contexts. Fix by verifying that an nd...
```diff diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 919741bbe267..4d3b8f2036d2 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -2373,15 +2373,30 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* PRLI failed */ lpfc_printf...
6058304a66baae4470188337700392d6404079b3
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix space indentation in lpfc_xcvr_data_show()
Problem Details: The kernel test robot detected inconsistent indentations for an if statement block in the lpfc_xcvr_data_show() routine. This patch reduces the extraneous tabs used for the if statement block in question. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Justin Tee <justin.tee@broadcom.co...
```diff diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 77e1b2911cb4..9df90c0ab44d 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1941,33 +1941,25 @@ lpfc_xcvr_data_show(struct device *dev, struct device_attribute *attr, &rdp_context->page_a0[SSF_...
93e71edfd90ca7e07a3645167f1e8e4504d4e8ee
Analyze and fix the following issue in the Linux kernel code: devlink: keep the instance mutex alive until references are gone
Problem Details: The reference needs to keep the instance memory around, but also the instance lock must remain valid. Users will take the lock, check registration status and release the lock. mutex_destroy() etc. belong in the same place as the freeing of the memory. Unfortunately lockdep_unregister_key() sleeps so w...
```diff diff --git a/net/devlink/core.c b/net/devlink/core.c index a31a317626d7..60beca2df7cc 100644 --- a/net/devlink/core.c +++ b/net/devlink/core.c @@ -83,10 +83,21 @@ struct devlink *__must_check devlink_try_get(struct devlink *devlink) return NULL; } +static void devlink_release(struct work_struct *work) +{ +...
97f5e03a4a27d27ee4fed0cdb1658c81cf2784db
Analyze and fix the following issue in the Linux kernel code: bnxt: make sure we return pages to the pool
Problem Details: Before the commit under Fixes the page would have been released from the pool before the napi_alloc_skb() call, so normal page freeing was fine (released page == no longer in the pool). After the change we just mark the page for recycling so it's still in the pool if the skb alloc fails, we need to re...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 16ce7a90610c..240a7e8a7652 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -993,7 +993,7 @@ static struct sk_buff *bnxt_rx_multi_page_skb(struct bnxt...
2f5fab1b6c3a8efc93ba52c28539c45a8d0142ad
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: edif: Fix clang warning
Problem Details: clang warning: drivers/scsi/qla2xxx/qla_edif_bsg.h:93:12: warning: field remote_pid within 'struct app_pinfo_req' is less aligned than 'port_id_t' and is usually due to 'struct app_pinfo_req' being packed, which can lead to unaligned accesses [-Wunaligned-access] port_id_t remote_pid; ...
```diff diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index 06e68a7ad86a..ec0e20255bd3 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -967,7 +967,9 @@ qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job) if (!(fcport->flags & F...
129a7c40294fd4ab9e9bccf76e8002818f492d8a
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: edif: Fix stall session after app start
Problem Details: For N2N, qla2x00_wait_for_sess_deletion call flushes a session which accidentally clear the scan_flag and thus prevents re-login to occur and causes session to stall. Use session delete to avoid the accidental clearing of scan_flag. Signed-off-by: Quinn Tran <qutran@marvell.com> Signed-off-by: Nilesh...
```diff diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index ba58d8cb3183..06e68a7ad86a 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -479,6 +479,49 @@ void qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport) spin_unlock_i...
82d8dfd2a238261e06759ee792417dc99b93d60d
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: edif: Fix performance dip due to lock contention
Problem Details: User experienced performance dip on measuring IOPS while EDIF enabled. During I/O time, driver uses dma_pool_zalloc() call to allocate a chunk of memory. This call contains a lock behind the scene which contribute to lock contention. Save the allocated memory for reuse and avoid the lock. Signed-off-b...
```diff diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 4bf167c00569..6f6190404939 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -384,6 +384,13 @@ struct els_reject { struct req_que; struct qla_tgt_sess; +struct qla_buf_dsc { + u16 tag; +#defi...
8fe66badf036d7505f9f4a03420d39b3ad819965
Analyze and fix the following issue in the Linux kernel code: scsi: libsas: Fix an error code in sas_ata_add_dev()
Problem Details: This code accidentally returns success instead of -ENOMEM. Fixes: 7cc7646b4b24 ("scsi: libsas: Factor out sas_ata_add_dev()") Link: https://lore.kernel.org/r/Y7asLxzVwQ56G+ya@kili Signed-off-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Pet...
```diff diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 9b4a9c3b58f2..4a7e835c24cd 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -716,7 +716,7 @@ int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy, rphy = sas_end_device_alloc(phy...
ae9f29fdfd827ad06c1ae8155c042245a9d00757
Analyze and fix the following issue in the Linux kernel code: net: hns3: fix wrong use of rss size during VF rss config
Problem Details: Currently, it used old rss size to get current tc mode. As a result, the rss size is updated, but the tc mode is still configured based on the old rss size. So this patch fixes it by using the new rss size in both process. Fixes: 93969dc14fcd ("net: hns3: refactor VF rss init APIs with new common rss...
```diff diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 081bd2c3f289..e84e5be8e59e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -3130,7 +3...
e2cb6e8db69e96c1514c2992e2d4fd6c8c1b8820
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: bsg: Fix cast to restricted __be16 warning
Problem Details: Fix the following sparse endianness warning: "sparse warnings: drivers/ufs/core/ufs_bsg.c:91:25: sparse: sparse: cast to restricted __be16." For consistency with endianness annotations of other UFS data structures, change __u16/32 to __be16/32 in UFS ARPMB data structures. Fixes: 6ff265fc5ef6 ("scsi...
```diff diff --git a/include/uapi/scsi/scsi_bsg_ufs.h b/include/uapi/scsi/scsi_bsg_ufs.h index 276e2772328f..2801b65299aa 100644 --- a/include/uapi/scsi/scsi_bsg_ufs.h +++ b/include/uapi/scsi/scsi_bsg_ufs.h @@ -97,18 +97,18 @@ struct utp_upiu_req { }; struct ufs_arpmb_meta { - __u16 req_resp_type; + __be16 req_resp...
f3e57da528127febae7eb03d9c87408d572b0fd8
Analyze and fix the following issue in the Linux kernel code: scsi: core: Fix invisible definition compilation warning
Problem Details: In 'include/ufs/ufshcd.h' file, 'enum dma_data_direction' will be used, which is defined in linux/dma-direction.h, however, this header file is not included in ufshcd.h, thus causing the following compilation warning: "warning: ‘enum dma_data_direction’ declared inside parameter list will not be visib...
```diff diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index ff138927676b..fc7373a1a15e 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -17,6 +17,7 @@ #include <linux/blk-mq.h> #include <linux/devfreq.h> #include <linux/pm_runtime.h> +#include <linux/dma-direction.h> #include <scsi/scsi_de...
5e87c51f186ef70b17201f97db11044e3e7ffa46
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: bsg: Fix sometimes-uninitialized warnings
Problem Details: Compilation complains that two possible variables are used without initialization: drivers/ufs/core/ufs_bsg.c:112:6: warning: variable 'sg_cnt' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] drivers/ufs/core/ufs_bsg.c:112:6: warning: variable 'sg_list' is used unini...
```diff diff --git a/drivers/ufs/core/ufs_bsg.c b/drivers/ufs/core/ufs_bsg.c index 0044029bcf7b..0d38e7fa34cc 100644 --- a/drivers/ufs/core/ufs_bsg.c +++ b/drivers/ufs/core/ufs_bsg.c @@ -70,9 +70,9 @@ static int ufs_bsg_exec_advanced_rpmb_req(struct ufs_hba *hba, struct bsg_job *j struct ufs_rpmb_reply *rpmb_reply = ...
7959587f3284bf163e4f1baff3c6fa71fc6a55b1
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: ufs-qcom: Fix the Qcom register name for offset 0xD0
Problem Details: On newer UFS revisions, the register at offset 0xD0 is called, REG_UFS_PARAM0. Since the existing register, RETRY_TIMER_REG is not used anywhere, it is safe to use the new name. Reviewed-by: Andrew Halaney <ahalaney@redhat.com> Reviewed-by: Asutosh Das <quic_asutoshd@quicinc.com> Tested-by: Andrew Hal...
```diff diff --git a/drivers/ufs/host/ufs-qcom.h b/drivers/ufs/host/ufs-qcom.h index e56e84750fd9..1d9bad596a87 100644 --- a/drivers/ufs/host/ufs-qcom.h +++ b/drivers/ufs/host/ufs-qcom.h @@ -33,7 +33,8 @@ enum { REG_UFS_TX_SYMBOL_CLK_NS_US = 0xC4, REG_UFS_LOCAL_PORT_ID_REG = 0xC8, REG_UFS_PA_ERR...
f385f7d244134246f984975ed34cd75f77de479f
Analyze and fix the following issue in the Linux kernel code: NFSD: register/unregister of nfsd-client shrinker at nfsd startup/shutdown time
Problem Details: Currently the nfsd-client shrinker is registered and unregistered at the time the nfsd module is loaded and unloaded. The problem with this is the shrinker is being registered before all of the relevant fields in nfsd_net are initialized when nfsd is started. This can lead to an oops when memory is low...
```diff diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 313f666d5357..db41358bd0d3 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4421,7 +4421,7 @@ nfsd4_state_shrinker_scan(struct shrinker *shrink, struct shrink_control *sc) return SHRINK_STOP; } -int +void nfsd4_init_leases_net(stru...
e6cf91b7b47ff82b624bdfe2fdcde32bb52e71dd
Analyze and fix the following issue in the Linux kernel code: NFSD: fix use-after-free in nfsd4_ssc_setup_dul()
Problem Details: If signal_pending() returns true, schedule_timeout() will not be executed, causing the waiting task to remain in the wait queue. Fixed by adding a call to finish_wait(), which ensures that the waiting task will always be removed from the wait queue. Fixes: f4e44b393389 ("NFSD: delay unmount source's e...
```diff diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 9b81d012666e..f189ba7995f5 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1318,6 +1318,7 @@ try_again: /* allow 20secs for mount/unmount for now - revisit */ if (signal_pending(current) || (schedule_timeout(20*HZ) == 0)) { + ...
1e27648c848235046cfd83e656c1c0d360861f25
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix IOCB resource check warning
Problem Details: Make qla_get_iocbs_resource() static to fix the warning: >> drivers/scsi/qla2xxx/qla_iocb.c:3820:5: warning: no previous prototype for >> 'qla_get_iocbs_resource' [-Wmissing-prototypes] 3820 | int qla_get_iocbs_resource(struct srb *sp) | ^~~~~~~~~~~~~~~~~~~~~~ Reported-by: kernel te...
```diff diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 4f48f098ea5a..6b91dcfd994d 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -3817,7 +3817,7 @@ qla24xx_prlo_iocb(srb_t *sp, struct logio_entry_24xx *logio) logio->vp_index = sp->fcport->vh...