id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
2a881183dc5ab2474ef602e48fe7af34db460d95
Analyze and fix the following issue in the Linux kernel code: phy: qcom-snps: correct struct qcom_snps_hsphy kerneldoc
Problem Details: Update kerneldoc of struct qcom_snps_hsphy to fix: drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c:135: warning: Function parameter or member 'update_seq_cfg' not described in 'qcom_snps_hsphy' Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Konrad Dybcio <konrad.dybc...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c index a59063596214..6c237f3cc66d 100644 --- a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c +++ b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c @@ -115,11 +115,11 @@ struct phy_override_seq { * * @cfg_...
b949193011540bb17cf1da7795ec42af1b875203
Analyze and fix the following issue in the Linux kernel code: phy: amlogic: phy-meson-g12a-mipi-dphy-analog: fix CNTL2_DIF_TX_CTL0 value
Problem Details: Use the same CNTL2_DIF_TX_CTL0 value used by the vendor, it was reported fixing timings issues. Fixes: 2a56dc650e54 ("phy: amlogic: Add G12A Analog MIPI D-PHY driver") Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20230512-amlogic-v6-4-upstream-dsi-ccf-vim3-...
```diff diff --git a/drivers/phy/amlogic/phy-meson-g12a-mipi-dphy-analog.c b/drivers/phy/amlogic/phy-meson-g12a-mipi-dphy-analog.c index c14089fa7db4..cabdddbbabfd 100644 --- a/drivers/phy/amlogic/phy-meson-g12a-mipi-dphy-analog.c +++ b/drivers/phy/amlogic/phy-meson-g12a-mipi-dphy-analog.c @@ -70,7 +70,7 @@ static int ...
c4c597f1b367433c52c531dccd6859a39b4580fb
Analyze and fix the following issue in the Linux kernel code: arm64: mte: Do not set PG_mte_tagged if tags were not initialized
Problem Details: The mte_sync_page_tags() function sets PG_mte_tagged if it initializes page tags. Then we return to mte_sync_tags(), which sets PG_mte_tagged again. At best, this is redundant. However, it is possible for mte_sync_page_tags() to return without having initialized tags for the page, i.e. in the case wher...
```diff diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c index f5bcb0dc6267..7e89968bd282 100644 --- a/arch/arm64/kernel/mte.c +++ b/arch/arm64/kernel/mte.c @@ -66,13 +66,10 @@ void mte_sync_tags(pte_t old_pte, pte_t pte) return; /* if PG_mte_tagged is set, tags have already been initialised */ - f...
2efbafb91e12ff5a16cbafb0085e4c10c3fca493
Analyze and fix the following issue in the Linux kernel code: arm64: Also reset KASAN tag if page is not PG_mte_tagged
Problem Details: Consider the following sequence of events: 1) A page in a PROT_READ|PROT_WRITE VMA is faulted. 2) Page migration allocates a page with the KASAN allocator, causing it to receive a non-match-all tag, and uses it to replace the page faulted in 1. 3) The program uses mprotect() to enable PROT_MTE o...
```diff diff --git a/arch/arm64/mm/copypage.c b/arch/arm64/mm/copypage.c index 4aadcfb01754..a7bb20055ce0 100644 --- a/arch/arm64/mm/copypage.c +++ b/arch/arm64/mm/copypage.c @@ -21,9 +21,10 @@ void copy_highpage(struct page *to, struct page *from) copy_page(kto, kfrom); + if (kasan_hw_tags_enabled()) + page_kas...
3bc879e355da4ff925e9d82278a829547d9d54bf
Analyze and fix the following issue in the Linux kernel code: arm64: perf: Mark all accessor functions inline
Problem Details: When just including <asm/arm_pmuv3.h>: arch/arm64/include/asm/arm_pmuv3.h:31:13: error: ‘write_pmevtypern’ defined but not used [-Werror=unused-function] 31 | static void write_pmevtypern(int n, unsigned long val) | ^~~~~~~~~~~~~~~~ arch/arm64/include/asm/arm_pmuv3.h:24:1...
```diff diff --git a/arch/arm64/include/asm/arm_pmuv3.h b/arch/arm64/include/asm/arm_pmuv3.h index d6b51deb7bf0..18dc2fb3d7b7 100644 --- a/arch/arm64/include/asm/arm_pmuv3.h +++ b/arch/arm64/include/asm/arm_pmuv3.h @@ -13,7 +13,7 @@ #define RETURN_READ_PMEVCNTRN(n) \ return read_sysreg(pmevcntr##n##_el0) -static u...
68e3f61eb9f58798e28b18152cd38cb269eebc34
Analyze and fix the following issue in the Linux kernel code: ARM: perf: Mark all accessor functions inline
Problem Details: When just including <asm/arm_pmuv3.h>: arch/arm/include/asm/arm_pmuv3.h:110:13: error: ‘write_pmevtypern’ defined but not used [-Werror=unused-function] 110 | static void write_pmevtypern(int n, unsigned long val) | ^~~~~~~~~~~~~~~~ arch/arm/include/asm/arm_pmuv3.h:103:13:...
```diff diff --git a/arch/arm/include/asm/arm_pmuv3.h b/arch/arm/include/asm/arm_pmuv3.h index 78d3d4b82c6c..f4db3e75d75f 100644 --- a/arch/arm/include/asm/arm_pmuv3.h +++ b/arch/arm/include/asm/arm_pmuv3.h @@ -92,7 +92,7 @@ #define RETURN_READ_PMEVCNTRN(n) \ return read_sysreg(PMEVCNTR##n) -static unsigned long r...
c598c335da420715670b1adac846e4f3ebd01e40
Analyze and fix the following issue in the Linux kernel code: drm/i915/tc: Reset TypeC PHYs left enabled in DP-alt mode after the sink disconnects
Problem Details: If the output on a DP-alt link with its sink disconnected is kept enabled for too long (about 20 sec), then some IOM/TCSS firmware timeout will cause havoc on the PCI bus, at least for other GFX devices on it which will stop powering up. Since user space is not guaranteed to do a disabling modeset in t...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 6566518eeb7f..9c2b7f7deb63 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3311,6 +3311,8 @@ static void intel_disable_ddi(struct intel_atomic_state *st...
9031c6d4f78a1e801695d0c4d97724455c6e2a61
Analyze and fix the following issue in the Linux kernel code: drm/i915/dp: Convert link training error to debug message on disconnected sink
Problem Details: If a sink is disconnected it's expected that link training actions will fail on it, so downgrade the error messages about such actions to be a debug message. Such - expected - link training failures are more frequent after a follow up patch, after which an active TypeC link is reset after the sink is d...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index 4f33b79b23db..51d1e4b4b2f1 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -38,10 +38,14 @@ LT...
e826839e18b77edb9be622a505d34e883985df48
Analyze and fix the following issue in the Linux kernel code: drm/i915: Add support for disabling any CRTCs during HW readout/sanitization
Problem Details: During HW readout/sanitization CRTCs can be disabled only if they don't have an attached encoder (and so the encoder disable hooks don't need to be called). An upcoming patch will need to disable CRTCs also with an attached encoder, so add support for this. For bigjoiner configs the encoder disabling ...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index e7ed5afd1d42..b3bac5dae20f 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -225,7 +225,7 @@ is_trans_port_sync_slave(const struct intel_c...
7eeef32719f6af935a1554813e6bc206446339cd
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix PIPEDMC disabling for a bigjoiner configuration
Problem Details: For a bigjoiner configuration display->crtc_disable() will be called first for the slave CRTCs and then for the master CRTC. However slave CRTCs will be actually disabled only after the master CRTC is disabled (from the encoder disable hooks called with the master CRTC state). Hence the slave PIPEDMCs ...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 4b70b389e0cb..e7ed5afd1d42 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1703,9 +1703,17 @@ static void hsw_crtc_disable(struct intel_...
b0abde80620f42d1ceb3de5e4c1a49cdd5628229
Analyze and fix the following issue in the Linux kernel code: arm64: vdso: Pass (void *) to virt_to_page()
Problem Details: Like the other calls in this function virt_to_page() expects a pointer, not an integer. However since many architectures implement virt_to_pfn() as a macro, this function becomes polymorphic and accepts both a (unsigned long) and a (void *). Fix this up with an explicit cast. Signed-off-by: Linus Wa...
```diff diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index 0119dc91abb5..d9e1355730ef 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -288,7 +288,7 @@ static int aarch32_alloc_kuser_vdso_page(void) memcpy((void *)(vdso_page + 0x1000 - kuser_sz), __kuser_helper_start, ...
d91d580878064b880f3574ac35b98d8b70ee8620
Analyze and fix the following issue in the Linux kernel code: arm64/mm: mark private VM_FAULT_X defines as vm_fault_t
Problem Details: This patch fixes several sparse warnings for fault.c: arch/arm64/mm/fault.c:493:24: sparse: warning: incorrect type in return expression (different base types) arch/arm64/mm/fault.c:493:24: sparse: expected restricted vm_fault_t arch/arm64/mm/fault.c:493:24: sparse: got int arch/arm64/mm/fault.c...
```diff diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 9e0db5c387e3..cb21ccd7940d 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -480,8 +480,8 @@ static void do_bad_area(unsigned long far, unsigned long esr, } } -#define VM_FAULT_BADMAP 0x010000 -#define VM_FAULT_BADACCESS 0x0...
55eeab2a8a11b71586ef0ad3adf532ca5f97d4be
Analyze and fix the following issue in the Linux kernel code: objtool: Ignore exc_double_fault() __noreturn warnings
Problem Details: This is a hack, but it works for now. Problem is, exc_double_fault() may or may not return, depending on whether CONFIG_X86_ESPFIX64 is set. But objtool has no visibility to the kernel config. "Fix" it by silencing the exc_double_fault() __noreturn warning. This removes the following warning: vm...
```diff diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 8d1b4226608c..8dac1e35264e 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -4505,6 +4505,35 @@ static int validate_sls(struct objtool_file *file) return warnings; } +static bool ignore_noreturn_call(struct instruction *insn)...
89da5a69a831f20df6463fd524e1578e12a8f46f
Analyze and fix the following issue in the Linux kernel code: x86/unwind/orc: Add 'unwind_debug' cmdline option
Problem Details: Sometimes the one-line ORC unwinder warnings aren't very helpful. Add a new 'unwind_debug' cmdline option which will dump the full stack contents of the current task when an error condition is encountered. Reviewed-by: Miroslav Benes <mbenes@suse.cz> Link: https://lore.kernel.org/r/6afb9e48a05fd2046b...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9e5bab29685f..f922eea6425e 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -6563,6 +6563,12 @@ unknown_nmi_panic [X86] ...
2e4be0d011f21593c6b316806779ba1eba2cd7e0
Analyze and fix the following issue in the Linux kernel code: x86/show_trace_log_lvl: Ensure stack pointer is aligned, again
Problem Details: The commit e335bb51cc15 ("x86/unwind: Ensure stack pointer is aligned") tried to align the stack pointer in show_trace_log_lvl(), otherwise the "stack < stack_info.end" check can't guarantee that the last read does not go past the end of the stack. However, we have the same problem with the initial va...
```diff diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 0bf6779187dd..f18ca44c904b 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -195,7 +195,6 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, printk("%sCall Trace:\n", log_lv...
f7ba52f302fdc392e0047f38e50841483d997144
Analyze and fix the following issue in the Linux kernel code: vmlinux.lds.h: Discard .note.gnu.property section
Problem Details: When tooling reads ELF notes, it assumes each note entry is aligned to the value listed in the .note section header's sh_addralign field. The kernel-created ELF notes in the .note.Linux and .note.Xen sections are aligned to 4 bytes. This causes the toolchain to set those sections' sh_addralign values...
```diff diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index d1f57e4868ed..cebdf1ca415d 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -891,9 +891,16 @@ /* * Discard .note.GNU-stack, which is emitted as PROGBITS by the compiler. * Other...
dc1d05536f44cee16e46e86316e6718b2c0d8872
Analyze and fix the following issue in the Linux kernel code: start_kernel: Omit prevent_tail_call_optimization() for newer toolchains
Problem Details: prevent_tail_call_optimization() was added in commit a9a3ed1eff36 ("x86: Fix early boot crash on gcc-10, third try") to work around stack canaries getting inserted into functions that would initialize the stack canary in the first place. Now that we have no_stack_protector function attribute (gcc-11+,...
```diff diff --git a/init/main.c b/init/main.c index c445c1fb19b9..c0b6499c31db 100644 --- a/init/main.c +++ b/init/main.c @@ -1088,7 +1088,13 @@ void start_kernel(void) /* Do the rest non-__init'ed, we're now alive */ arch_call_rest_init(); + /* + * Avoid stack canaries in callers of boot_init_stack_canary for ...
514ca14ed5444b911de59ed3381dfd195d99fe4b
Analyze and fix the following issue in the Linux kernel code: start_kernel: Add __no_stack_protector function attribute
Problem Details: Back during the discussion of commit a9a3ed1eff36 ("x86: Fix early boot crash on gcc-10, third try") we discussed the need for a function attribute to control the omission of stack protectors on a per-function basis; at the time Clang had support for no_stack_protector but GCC did not. This was fixed i...
```diff diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 265801a3e94c..6903a7222273 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -1605,6 +1605,7 @@ static void add_cpu_to_masks(int cpu) } /* Activate a secondary processor. */ +__no_stack_protector void start_sec...
070a10d6fe1b2f4cc5d6c38b478cc059461eabe9
Analyze and fix the following issue in the Linux kernel code: pinctrl: qcom: sc8180x: gracefully handle missing IO memory resource
Problem Details: If device was probed with incorrect DT or ACPI tables, the IO memory resource would be missing and driver would derefernce NULL pointer in sc8180x_pinctrl_add_tile_resources(). Add simplep check if IO memory resource was provided to silence Smatch warning: drivers/pinctrl/qcom/pinctrl-sc8180x.c:166...
```diff diff --git a/drivers/pinctrl/qcom/pinctrl-sc8180x.c b/drivers/pinctrl/qcom/pinctrl-sc8180x.c index f86b176ed0b7..d6a79ad41a40 100644 --- a/drivers/pinctrl/qcom/pinctrl-sc8180x.c +++ b/drivers/pinctrl/qcom/pinctrl-sc8180x.c @@ -1622,7 +1622,8 @@ static const struct msm_pinctrl_soc_data sc8180x_acpi_pinctrl = { ...
95f0e3a209b0045a56a06987d85981280f523270
Analyze and fix the following issue in the Linux kernel code: x86/unwind/orc: Use swap() instead of open coding it
Problem Details: Swap is a function interface that provides exchange function. To avoid code duplication, we can use swap function. ./arch/x86/kernel/unwind_orc.c:235:16-17: WARNING opportunity for swap(). Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4641 Sig...
```diff diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c index 3ac50b7298d1..5fbcb229f707 100644 --- a/arch/x86/kernel/unwind_orc.c +++ b/arch/x86/kernel/unwind_orc.c @@ -219,7 +219,6 @@ static struct orc_entry *cur_orc_table = __start_orc_unwind; static void orc_sort_swap(void *_a, void *_b, i...
5b10ff013e8a57f8845615ac2cc37edf7f6eef05
Analyze and fix the following issue in the Linux kernel code: pinctrl: meson-axg: add missing GPIOA_18 gpio group
Problem Details: Without this, the gpio cannot be explicitly mux'ed to its gpio function. Fixes: 83c566806a68a ("pinctrl: meson-axg: Add new pinctrl driver for Meson AXG SoC") Cc: stable@vger.kernel.org Signed-off-by: Martin Hundebøll <martin@geanix.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed...
```diff diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg.c b/drivers/pinctrl/meson/pinctrl-meson-axg.c index 7bfecdfba177..d249a035c2b9 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-axg.c +++ b/drivers/pinctrl/meson/pinctrl-meson-axg.c @@ -400,6 +400,7 @@ static struct meson_pmx_group meson_axg_periphs_groups[] ...
45fe0dc4ea2efff3eff4e54e31e679224c095c2a
Analyze and fix the following issue in the Linux kernel code: arm64: xilinx: Use zynqmp prefix for SOM dt overlays
Problem Details: U-Boot is using zynqmp- prefix to compose DT name for board detection that's why also generate DT in this format in the kernel. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/49c1b8c992929610ba17b9c6edf5d40d4b28d2ed.1683033163.git.michal.simek@amd.com
```diff diff --git a/arch/arm64/boot/dts/xilinx/Makefile b/arch/arm64/boot/dts/xilinx/Makefile index db0cc5733177..5e40c0b4fa0a 100644 --- a/arch/arm64/boot/dts/xilinx/Makefile +++ b/arch/arm64/boot/dts/xilinx/Makefile @@ -21,12 +21,12 @@ dtb-$(CONFIG_ARCH_ZYNQMP) += zynqmp-zcu1275-revA.dtb dtb-$(CONFIG_ARCH_ZYNQMP) +...
0f554e37dad416f445cd3ec5935f5aec1b0e7ba5
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8: fix USB 3.0 Gadget Failure in QM & QXPB0 at super speed
Problem Details: Resolve USB 3.0 gadget failure for QM and QXPB0 in super speed mode with single IN and OUT endpoints, like mass storage devices, due to incorrect ACTUAL_MEM_SIZE in ep_cap2 (32k instead of actual 18k). Implement dt property cdns,on-chip-buff-size to override ep_cap2 and set it to 18k for imx8QM and imx...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi index 2209c1ac6e9b..e62a43591361 100644 --- a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi @@ -171,6 +171,7 @@ conn_subsys: bus@5b000000 { i...
50a1726b148ff30778cb8a6cf3736130b07c93fd
Analyze and fix the following issue in the Linux kernel code: dt-binding: cdns,usb3: Fix cdns,on-chip-buff-size type
Problem Details: In cdns3-gadget.c, 'cdns,on-chip-buff-size' was read using device_property_read_u16(). It resulted in 0 if a 32bit value was used in dts. This commit fixes the dt binding doc to declare it as u16. Cc: stable@vger.kernel.org Fixes: 68989fe1c39d ("dt-bindings: usb: Convert cdns-usb3.txt to YAML schema")...
```diff diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml index cae46c4982ad..69a93a0722f0 100644 --- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml +++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml @@ -64,7 +64,7 @@ properties: ...
9660efc2af37f3c12dc6e6a5511ad99e0addc297
Analyze and fix the following issue in the Linux kernel code: ARM: dts: stm32: Move ethernet MAC EEPROM from SoM to carrier boards
Problem Details: The ethernet MAC EEPROM is not populated on the SoM itself, it has to be populated on each carrier board. Move the EEPROM into the correct place in DTs, i.e. the carrier board DTs. Add label to the EEPROM too. Fixes: 7e76f82acd9e1 ("ARM: dts: stm32: Split Avenger96 into DHCOR SoM and Avenger96 board")...
```diff diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi index 8232bbbae379..302efac5d26f 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dhcor-avenger96.dtsi @@ -321,6 +321,12 @@ }; }; }; + ...
a5ae12c87df6b77d4a676c5fbcd23b93f155321e
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix on26 module code indentation and style
Problem Details: Fix the header, indentation and coding style in the on26 pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/on26.c b/drivers/ata/pata_parport/on26.c index dc47a54b121f..5da317b394c1 100644 --- a/drivers/ata/pata_parport/on26.c +++ b/drivers/ata/pata_parport/on26.c @@ -1,11 +1,10 @@ -/* - on26.c (c) 1997-8 Grant R. Guenther <grant@torque.net> - ...
012f2059e3c073090fa7dd57f582f6ca77583aaa
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix on20 module code indentation and style
Problem Details: Fix the header, indentation and coding style in the on20 pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/on20.c b/drivers/ata/pata_parport/on20.c index 276ace12d490..34e69da2bec8 100644 --- a/drivers/ata/pata_parport/on20.c +++ b/drivers/ata/pata_parport/on20.c @@ -1,10 +1,10 @@ -/* - on20.c (c) 1996-8 Grant R. Guenther <grant@torque.net> - Under the terms of th...
ece68db971f27eddb71311bab09440fdece0c803
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix ktti module code indentation and style
Problem Details: Fix the header, indentation and coding style in the ktti pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/ktti.c b/drivers/ata/pata_parport/ktti.c index 4890b1f12348..bca6c20ef617 100644 --- a/drivers/ata/pata_parport/ktti.c +++ b/drivers/ata/pata_parport/ktti.c @@ -1,12 +1,11 @@ -/* - ktti.c (c) 1998 Grant R. Guenther <grant@torque.net> - ...
65db10ca726e197728c5fcbf9a617cb365e0dc53
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix kbic module code indentation and style
Problem Details: Fix the header, indentation and coding style in the kbic pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/kbic.c b/drivers/ata/pata_parport/kbic.c index 8213e62f8f00..6023e071516d 100644 --- a/drivers/ata/pata_parport/kbic.c +++ b/drivers/ata/pata_parport/kbic.c @@ -1,16 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - kbic.c (c) 1997-8 Grant R. Guenther ...
bd91cbfa3c319b04ee429c85c95c5d945f13d0cf
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix friq module code indentation and style
Problem Details: Fix the header, indentation and coding style in the friq pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/friq.c b/drivers/ata/pata_parport/friq.c index 1647264cd9a8..dc428f54fe0c 100644 --- a/drivers/ata/pata_parport/friq.c +++ b/drivers/ata/pata_parport/friq.c @@ -1,24 +1,23 @@ -/* - friq.c (c) 1998 Grant R. Guenther <grant@torque.net> - Under the terms of th...
6b427116ea02dcf1d45edc7e7fde5b7e5925d4cc
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix fit3 module code indentation and style
Problem Details: Fix the header, indentation and coding style in the fit3 pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/fit3.c b/drivers/ata/pata_parport/fit3.c index 75df656ac472..c172a38ae67d 100644 --- a/drivers/ata/pata_parport/fit3.c +++ b/drivers/ata/pata_parport/fit3.c @@ -1,21 +1,20 @@ -/* - fit3.c (c) 1998 Grant R. Guenther <grant@torque.net> - ...
0d5e81729f4f3ac85e0d7ee888a1281d987f97cf
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix fit2 module code indentation and style
Problem Details: Fix the header, indentation and coding style in the fit2 pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/fit2.c b/drivers/ata/pata_parport/fit2.c index fd3b2ce426a5..6524f3033b1e 100644 --- a/drivers/ata/pata_parport/fit2.c +++ b/drivers/ata/pata_parport/fit2.c @@ -1,17 +1,16 @@ -/* - fit2.c (c) 1998 Grant R. Guenther <grant@torque.net> - ...
8be319717be2f121893a467de80ba05ad2a64067
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix epia module code indentation and style
Problem Details: Fix the header, indentation and coding style in the epia pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/epia.c b/drivers/ata/pata_parport/epia.c index f6db2f79fe99..920e9f40d401 100644 --- a/drivers/ata/pata_parport/epia.c +++ b/drivers/ata/pata_parport/epia.c @@ -1,14 +1,13 @@ -/* - epia.c (c) 1997-8 Grant R. Guenther <grant@torque.net> - ...
3cb41685f7c7c8f2ac53eb925a468868b6fe81ec
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix epat module code indentation and style
Problem Details: Fix the header, indentation and coding style in the epat pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/epat.c b/drivers/ata/pata_parport/epat.c index b146999368ae..016bd96bce89 100644 --- a/drivers/ata/pata_parport/epat.c +++ b/drivers/ata/pata_parport/epat.c @@ -1,13 +1,12 @@ -/* - epat.c (c) 1997-8 Grant R. Guenther <grant@torque.net> - ...
d6332c12c2265b88ac455e65464f6c70b2d9e618
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix dstr module code indentation and style
Problem Details: Fix the header, indentation and coding style in the dstr pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/dstr.c b/drivers/ata/pata_parport/dstr.c index 2524684be206..368d7c7962a9 100644 --- a/drivers/ata/pata_parport/dstr.c +++ b/drivers/ata/pata_parport/dstr.c @@ -1,11 +1,10 @@ -/* - dstr.c (c) 1997-8 Grant R. Guenther <grant@torque.net> - ...
630b64bc870e27e049e15adabbbe13e5e74a00c6
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix comm module code indentation and style
Problem Details: Fix the header, indentation and coding style in the comm pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/comm.c b/drivers/ata/pata_parport/comm.c index 4c2f9ad60ad8..cc5485bd0a5b 100644 --- a/drivers/ata/pata_parport/comm.c +++ b/drivers/ata/pata_parport/comm.c @@ -1,12 +1,11 @@ -/* - comm.c (c) 1997-8 Grant R. Guenther <grant@torque.net> - ...
ec52d5241e844a1c0a65313708446907d32d70c8
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix bpck6 module code indentation and style
Problem Details: Fix the header, indentation and coding style in the bpck6 pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/bpck6.c b/drivers/ata/pata_parport/bpck6.c index 76febd07a9bb..c6dbd14120d1 100644 --- a/drivers/ata/pata_parport/bpck6.c +++ b/drivers/ata/pata_parport/bpck6.c @@ -1,15 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - backpack.c (c) 2001 Micro Solutions Inc. - ...
ab0695eecc47edd9cf97fc18aecfdb45e880a0dd
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix aten module code indentation and style
Problem Details: Fix the header, indentation and coding style in the aten pata parport protocol module to suppress warnings from smatch and other static code analyzers. No functional changes. Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/pata_parport/aten.c b/drivers/ata/pata_parport/aten.c index 1bd248c42f8b..8328a49a95ef 100644 --- a/drivers/ata/pata_parport/aten.c +++ b/drivers/ata/pata_parport/aten.c @@ -1,13 +1,12 @@ -/* - aten.c (c) 1997-8 Grant R. Guenther <grant@torque.net> - ...
f19c694f744f5efd68d0b9ed9e0728a093d43393
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix frpw module code indentation and style
Problem Details: Fix the header, indentation and coding style in the frpw pata parport protocol module to suppress smatch warnings such as: drivers/ata/pata_parport/frpw.c:234 frpw_test_proto() warn: inconsistent indenting No functional changes. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kerne...
```diff diff --git a/drivers/ata/pata_parport/frpw.c b/drivers/ata/pata_parport/frpw.c index 3ec0abf16fa6..28d9bb2c6baf 100644 --- a/drivers/ata/pata_parport/frpw.c +++ b/drivers/ata/pata_parport/frpw.c @@ -1,17 +1,15 @@ -/* - frpw.c (c) 1996-8 Grant R. Guenther <grant@torque.net> - Under the terms of th...
22e395d001f846cc8b566d6a00ff8551daeaf38f
Analyze and fix the following issue in the Linux kernel code: ata: pata_parport: Fix bpck module code indentation and style
Problem Details: Fix the header, indentation and coding style in the bpck pata parport protocol module to suppress smatch warnings such as: drivers/ata/pata_parport/bpck.c:66 bpck_read_regr() warn: inconsistent indenting No functional changes. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel....
```diff diff --git a/drivers/ata/pata_parport/bpck.c b/drivers/ata/pata_parport/bpck.c index 1c5035a09554..9f4309f9b57f 100644 --- a/drivers/ata/pata_parport/bpck.c +++ b/drivers/ata/pata_parport/bpck.c @@ -1,11 +1,10 @@ -/* - bpck.c (c) 1996-8 Grant R. Guenther <grant@torque.net> - Under the terms of th...
028d125a30ff5646b3ad22445080d8f2946d67d7
Analyze and fix the following issue in the Linux kernel code: arm64: zynqmp: Fix usb reset over bootmode pins on zcu100
Problem Details: The commit 53ba1b2bdaf7 ("arm64: dts: zynqmp: Add mode-pin GPIO controller DT node") added usb phy reset over bootmode pins by default on usb0 only. zcu100 is using usb0 as peripheral and usb1 as host. Unfortunately reset line is shared for both usb ulpi phys but usb_rst_b is connected to usb5744 hub w...
```diff diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts index c74bc3ff703b..685f8e4f33e7 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts @@ -545,6 +545,7 @@ pinctrl-0 = <&pinctrl_u...
9a18fb598162f4626497ace3090e1a2cb40aa7e4
Analyze and fix the following issue in the Linux kernel code: arm64: zynqmp: Rename ams_ps/pl node names
Problem Details: Fix child node names to be aligned with commit 39dd2d1e251d ("dt-bindings: iio: adc: Add Xilinx AMS binding documentation") which requires names as ams-ps@ and ams-pl@. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lo...
```diff diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index 1a24029b106e..d04871986261 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -938,13 +938,13 @@ #io-channel-cells = <1>; ranges = <0 0 0xffa50800 0x800>; ...
cddb536a73ef2c82ce04059dc61c65e85a355561
Analyze and fix the following issue in the Linux kernel code: irqchip/mbigen: Unify the error handling in mbigen_of_create_domain()
Problem Details: Dan Carpenter reported that commit fea087fc291b "irqchip/mbigen: move to use bus_get_dev_root()" leads to the following Smatch static checker warning: drivers/irqchip/irq-mbigen.c:258 mbigen_of_create_domain() error: potentially dereferencing uninitialized 'child'. It should not cause a problem on ...
```diff diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index eada5e0e3eb9..5101a3fb11df 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -240,26 +240,27 @@ static int mbigen_of_create_domain(struct platform_device *pdev, struct irq_domain *domain; struct devi...
205b3d02d57ce6dce96f6d2b9c230f56a9bf9817
Analyze and fix the following issue in the Linux kernel code: PCI: tegra194: Fix possible array out of bounds access
Problem Details: Add check to fix the possible array out of bounds violation by making speed equal to GEN1_CORE_CLK_FREQ when its value is more than the size of "pcie_gen_freq" array. This array has size of four but possible speed (CLS) values are from "0 to 0xF". So, "speed - 1" values are "-1 to 0xE". Suggested-by: ...
```diff diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 09825b4a075e..e6eec85480ca 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -223,6 +223,7 @@ #define EP_STATE_ENABLED 1 static const unsigned ...
3d6a0e4197c04599d75d85a608c8bb16a630a38c
Analyze and fix the following issue in the Linux kernel code: irqchip/mips-gic: Use raw spinlock for gic_lock
Problem Details: Since we may hold gic_lock in hardirq context, use raw spinlock makes more sense given that it is for low-level interrupt handling routine and the critical section is small. Fixes BUG: [ 0.426106] ============================= [ 0.426257] [ BUG: Invalid wait context ] [ 0.426422] 6.3.0-rc7-n...
```diff diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index b568d55ef7c5..6d5ecc10a870 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -50,7 +50,7 @@ void __iomem *mips_gic_base; static DEFINE_PER_CPU_READ_MOSTLY(unsigned long[GIC_MAX_LONGS], pcpu_ma...
2c6c9c049510163090b979ea5f92a68ae8d93c45
Analyze and fix the following issue in the Linux kernel code: irqchip/mips-gic: Don't touch vl_map if a local interrupt is not routable
Problem Details: When a GIC local interrupt is not routable, it's vl_map will be used to control some internal states for core (providing IPTI, IPPCI, IPFDC input signal for core). Overriding it will interfere core's intetrupt controller. Do not touch vl_map if a local interrupt is not routable, we are not going to re...
```diff diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 046c355e120b..b568d55ef7c5 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -399,6 +399,8 @@ static void gic_all_vpes_irq_cpu_online(void) unsigned int intr = local_intrs[i]; struct gic_al...
44bd78dd2b8897f59b7e3963f088caadb7e4f047
Analyze and fix the following issue in the Linux kernel code: irqchip/gic-v3: Disable pseudo NMIs on Mediatek devices w/ firmware issues
Problem Details: Some Chromebooks with Mediatek SoCs have a problem where the firmware doesn't properly save/restore certain GICR registers. Newer Chromebooks should fix this issue and we may be able to do firmware updates for old Chromebooks. At the moment, the only known issue with these Chromebooks is that we can't ...
```diff diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c index a610821c8ff2..de47b51cdadb 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -16,7 +16,11 @@ void gic_enable_of_quirks(const struct device_node *np, const struct gic_quirk *quirks, ...
43cd3ddbff3c1635d0e09fe5b09af48d39dbb9d7
Analyze and fix the following issue in the Linux kernel code: dt-bindings: interrupt-controller: arm,gic-v3: Add quirk for Mediatek SoCs w/ broken FW
Problem Details: When trying to turn on the "pseudo NMI" kernel feature in Linux, it was discovered that all Mediatek-based Chromebooks that ever shipped (at least ones with GICv3) had a firmware bug where they wouldn't save certain GIC "GICR" registers properly. If a processor ever entered a suspend/idle mode where th...
```diff diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml index 92117261e1e1..39e64c7f6360 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml +++ b/Documentation/devicetree/binding...
5b5b4ff8f92daec4475318c0ec4cb4ed43de9eb6
Analyze and fix the following issue in the Linux kernel code: ext4: Use generic_buffers_fsync_noflush() implementation
Problem Details: ext4 when got converted to iomap for dio, it copied __generic_file_fsync implementation to avoid taking inode_lock in order to avoid any deadlock (since iomap takes an inode_lock while calling generic_write_sync()). The previous patch already added generic_buffers_fsync*() which does not take any inod...
```diff diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c index f65fdb27ce14..9cd71d76622d 100644 --- a/fs/ext4/fsync.c +++ b/fs/ext4/fsync.c @@ -28,6 +28,7 @@ #include <linux/sched.h> #include <linux/writeback.h> #include <linux/blkdev.h> +#include <linux/buffer_head.h> #include "ext4.h" #include "ext4_jbd2.h" @@ ...
fcced95b6ba2a507a83b8b3e0358a8ac16b13e35
Analyze and fix the following issue in the Linux kernel code: ext2/dax: Fix ext2_setsize when len is page aligned
Problem Details: PAGE_ALIGN(x) macro gives the next highest value which is multiple of pagesize. But if x is already page aligned then it simply returns x. So, if x passed is 0 in dax_zero_range() function, that means the length gets passed as 0 to ->iomap_begin(). In ext2 it then calls ext2_get_blocks -> max_blocks a...
```diff diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 26f135e7ffce..dc76147e7b07 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1259,9 +1259,8 @@ static int ext2_setsize(struct inode *inode, loff_t newsize) inode_dio_wait(inode); if (IS_DAX(inode)) - error = dax_zero_range(inode, newsize, - ...
506ed33d0767edbada4c8fc7c268b1730c14791e
Analyze and fix the following issue in the Linux kernel code: platform/x86/amd/pmf: Fix compiler warnings in static slider
Problem Details: This patch fixes warnings with -Wmissing-prototypes: warning: no previous prototype for 'source_as_str' [-Wmissing-prototypes] warning: no previous prototype for 'slider_as_str' [-Wmissing-prototypes] Fixes: a82ebb3d800d ("platform/x86/amd/pmf: Add PMF acpi debug support") Reported-by: kernel test ro...
```diff diff --git a/drivers/platform/x86/amd/pmf/sps.c b/drivers/platform/x86/amd/pmf/sps.c index 0a4d0549ea03..445ff053b4df 100644 --- a/drivers/platform/x86/amd/pmf/sps.c +++ b/drivers/platform/x86/amd/pmf/sps.c @@ -13,7 +13,7 @@ static struct amd_pmf_static_slider_granular config_store; #ifdef CONFIG_AMD_PMF_DE...
a6d82f1b7ada6154668f1b5ff751a845aa540637
Analyze and fix the following issue in the Linux kernel code: drm/i915/hdcp: Fix modeset locking issue in hdcp mst
Problem Details: Since topology state is being added to drm_atomic_state now all drm_modeset_lock required are being taken from core. This raises an issue when we try to loop over connector and assign vcpi id to our streams as we did not have atomic state to derive acquire_ctx from. We fill in stream info if dpmst enco...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 73b7e7e62705..6d3ea6859328 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -30,7 +30,8 @@ #define KEY_LOAD_TRIES 5 #define HDCP2_LC_RETRY_CNT 3 ...
140809738d969376f26f13264b16669703956f6c
Analyze and fix the following issue in the Linux kernel code: drm/pl111: Fix FB depth on IMPD-1 framebuffer
Problem Details: The last argument to the function drm_fbdev_dma_setup() was changed from desired BPP to desired depth. In our case the desired depth was 15 but BPP was 16, so we specified 16 as BPP and we relied on the FB emulation core to select a format with a suitable depth for the limited bandwidth and end up wit...
```diff diff --git a/drivers/gpu/drm/pl111/pl111_display.c b/drivers/gpu/drm/pl111/pl111_display.c index 6afdf260a4e2..b9fe926a49e8 100644 --- a/drivers/gpu/drm/pl111/pl111_display.c +++ b/drivers/gpu/drm/pl111/pl111_display.c @@ -53,7 +53,7 @@ pl111_mode_valid(struct drm_simple_display_pipe *pipe, { struct drm_devi...
225c657945c4a6307741cb3cc89467eadcc26e9b
Analyze and fix the following issue in the Linux kernel code: net: bcmgenet: Restore phy_stop() depending upon suspend/close
Problem Details: Removing the phy_stop() from bcmgenet_netif_stop() ended up causing warnings from the PHY library that phy_start() is called from the RUNNING state since we are no longer stopping the PHY state machine during bcmgenet_suspend(). Restore the call to phy_stop() but make it conditional on being called fr...
```diff diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index f28ffc31df22..eca0c92c0c84 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3450,7 +3450,7 @@ err_clk_disable: return ret; } ...
2bf1c45be3b8f3a3f898d0756c1282f09719debd
Analyze and fix the following issue in the Linux kernel code: regulator: Fix error checking for debugfs_create_dir
Problem Details: This patch fixes the error checking in core.c in debugfs_create_dir. The correct way to check if an error occurred is 'IS_ERR' inline function. Signed-off-by: Osama Muhammad <osmtendev@gmail.com Suggested-by: Ivan Orlov <ivan.orlov0322@gmail.com Link: https://lore.kernel.org/r/20230515172938.13338-1-o...
```diff diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index dc741ac156c3..698ab7f5004b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -5256,7 +5256,7 @@ static void rdev_init_debugfs(struct regulator_dev *rdev) } rdev->debugfs = debugfs_create_dir(rname, debugfs_root); ...
99d46450625590d410f86fe4660a5eff7d3b8343
Analyze and fix the following issue in the Linux kernel code: tpm: Prevent hwrng from activating during resume
Problem Details: Set TPM_CHIP_FLAG_SUSPENDED in tpm_pm_suspend() and reset in tpm_pm_resume(). While the flag is set, tpm_hwrng() gives back zero bytes. This prevents hwrng from racing during resume. Cc: stable@vger.kernel.org Fixes: 6e592a065d51 ("tpm: Move Linux RNG connection to hwrng") Reviewed-by: Jerry Snitselaa...
```diff diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index c10a4aa97373..cd48033b804a 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -571,6 +571,10 @@ static int tpm_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait) { struct tpm_chip *chip = con...
1398aa803f198b7a386fdd8404666043e95f4c16
Analyze and fix the following issue in the Linux kernel code: tpm_tis: Use tpm_chip_{start,stop} decoration inside tpm_tis_resume
Problem Details: Before sending a TPM command, CLKRUN protocol must be disabled. This is not done in the case of tpm1_do_selftest() call site inside tpm_tis_resume(). Address this by decorating the calls with tpm_chip_{start,stop}, which should be always used to arm and disarm the TPM chip for transmission. Finally, ...
```diff diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 02945d53fcef..558144fa707a 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -1209,25 +1209,20 @@ static void tpm_tis_reenable_interrupts(struct tpm_chip *chip) u32 intmask; int rc; - i...
4cbb0d358883a27e432714b5256f0362946f5e25
Analyze and fix the following issue in the Linux kernel code: power: supply: mt6360: add a check of devm_work_autocancel in mt6360_charger_probe
Problem Details: devm_work_autocancel may fail, add a check and return early. Fixes: 0402e8ebb8b86 ("power: supply: mt6360_charger: add MT6360 charger support") Signed-off-by: Kang Chen <void0red@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
```diff diff --git a/drivers/power/supply/mt6360_charger.c b/drivers/power/supply/mt6360_charger.c index 92e48e3a4853..1305cba61edd 100644 --- a/drivers/power/supply/mt6360_charger.c +++ b/drivers/power/supply/mt6360_charger.c @@ -796,7 +796,9 @@ static int mt6360_charger_probe(struct platform_device *pdev) mci->vino...
b2f2a3c9800208b0db2c2e34b05323757117faa2
Analyze and fix the following issue in the Linux kernel code: power: supply: sbs-charger: Fix INHIBITED bit for Status reg
Problem Details: CHARGE_INHIBITED bit position of the ChargerStatus register is actually 0 not 1. This patch corrects it. Fixes: feb583e37f8a8 ("power: supply: add sbs-charger driver") Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
```diff diff --git a/drivers/power/supply/sbs-charger.c b/drivers/power/supply/sbs-charger.c index 75ebcbf0a788..a14e89ac0369 100644 --- a/drivers/power/supply/sbs-charger.c +++ b/drivers/power/supply/sbs-charger.c @@ -24,7 +24,7 @@ #define SBS_CHARGER_REG_STATUS 0x13 #define SBS_CHARGER_REG_ALARM_WARNING 0x16 -...
108598c39eefbedc9882273ac0df96127a629220
Analyze and fix the following issue in the Linux kernel code: bpf: Fix memleak due to fentry attach failure
Problem Details: If it fails to attach fentry, the allocated bpf trampoline image will be left in the system. That can be verified by checking /proc/kallsyms. This meamleak can be verified by a simple bpf program as follows: SEC("fentry/trap_init") int fentry_run() { return 0; } It will fail to attach ...
```diff diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c index 84850e66ce3d..78acf28d4873 100644 --- a/kernel/bpf/trampoline.c +++ b/kernel/bpf/trampoline.c @@ -251,11 +251,8 @@ bpf_trampoline_get_progs(const struct bpf_trampoline *tr, int *total, bool *ip_a return tlinks; } -static void __bpf_tramp_...
6882011e8854c6cb227770fccb57ed70a88a716f
Analyze and fix the following issue in the Linux kernel code: can: length: make header self contained
Problem Details: Include the headers that "can/length.h" depends on. Fixes: bdd2e413192d ("can: dev: move length related code into seperate file") Link: https://lore.kernel.org/all/20230509122854.350426-1-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
```diff diff --git a/include/linux/can/length.h b/include/linux/can/length.h index 6995092b774e..69336549d24f 100644 --- a/include/linux/can/length.h +++ b/include/linux/can/length.h @@ -6,6 +6,9 @@ #ifndef _CAN_LENGTH_H #define _CAN_LENGTH_H +#include <linux/can.h> +#include <linux/can/netlink.h> + /* * Size of...
cca7d85ad80cda5658acac06bb99461329c41d70
Analyze and fix the following issue in the Linux kernel code: can: bxcan: Remove unnecessary print function dev_err()
Problem Details: The print function dev_err() is redundant because platform_get_irq_byname() already prints an error. ./drivers/net/can/bxcan.c:970:2-9: line 970 is redundant because platform_get_irq() already prints an error. ./drivers/net/can/bxcan.c:964:2-9: line 964 is redundant because platform_get_irq() already ...
```diff diff --git a/drivers/net/can/bxcan.c b/drivers/net/can/bxcan.c index e26ccd41e3cb..7b285eeb08a1 100644 --- a/drivers/net/can/bxcan.c +++ b/drivers/net/can/bxcan.c @@ -954,22 +954,16 @@ static int bxcan_probe(struct platform_device *pdev) } rx_irq = platform_get_irq_byname(pdev, "rx0"); - if (rx_irq < 0) {...
94f0705eee70cb256d21c9abe7ce44ffbe093555
Analyze and fix the following issue in the Linux kernel code: perf annotate: Parse x86 SIB addressing properly
Problem Details: When the source argument of the "mov" instruction looks like below, it didn't parse the whole operand and just stopped at the first comma. mov (%rbx,%rax,1),%rcx Fix it by checking the parentheses and move it to the closing one. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Ian Ro...
```diff diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 11992cfe271c..b708bbc49c9e 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -558,6 +558,19 @@ static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_sy return -1; *s = '\0'; + + /*...
983034cd0d212b23a63efb48ecc47d55d70ee301
Analyze and fix the following issue in the Linux kernel code: perf annotate: Handle "decq", "incq", "testq", "tzcnt" instructions on x86
Problem Details: I found that the "decq", "incq", "testq", "tzcnt" instructions didn't parse the operands properly. Add them to the "x86__instructions" table to fix the issue. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: An...
```diff diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c index 305872692bfd..5c7bec25fee4 100644 --- a/tools/perf/arch/x86/annotate/instructions.c +++ b/tools/perf/arch/x86/annotate/instructions.c @@ -35,12 +35,14 @@ static struct ins x86__instructions[] = { { .na...
4920bded3ee077c99cd52666519cb50f9ee35b26
Analyze and fix the following issue in the Linux kernel code: can: CAN_BXCAN should depend on ARCH_STM32
Problem Details: The STMicroelectronics STM32 basic extended CAN Controller (bxCAN) is only present on STM32 SoCs. Hence drop the "|| OF" part from its dependency rule, to prevent asking the user about this driver when configuring a kernel without STM32 SoC support. Fixes: f00647d8127be4d3 ("can: bxcan: add support f...
```diff diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index 3ceccafd701b..b190007c01be 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -95,7 +95,7 @@ config CAN_AT91 config CAN_BXCAN tristate "STM32 Basic Extended CAN (bxCAN) devices" - depends on OF || ARCH_STM32 || COMPILE_...
6bffdc38f9935bae49f980448f3f6be2dada0564
Analyze and fix the following issue in the Linux kernel code: can: dev: fix missing CAN XL support in can_put_echo_skb()
Problem Details: can_put_echo_skb() checks for the enabled IFF_ECHO flag and the correct ETH_P type of the given skbuff. When implementing the CAN XL support the new check for ETH_P_CANXL has been forgotten. Fixes: fb08cba12b52 ("can: canxl: update CAN infrastructure for CAN XL frames") Signed-off-by: Oliver Hartkopp ...
```diff diff --git a/drivers/net/can/dev/skb.c b/drivers/net/can/dev/skb.c index 241ec636e91f..f6d05b3ef59a 100644 --- a/drivers/net/can/dev/skb.c +++ b/drivers/net/can/dev/skb.c @@ -54,7 +54,8 @@ int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, /* check flag whether this packet has to be looped back...
1db080cbdbab28752bbb1c86d64daf96253a5da1
Analyze and fix the following issue in the Linux kernel code: can: j1939: recvmsg(): allow MSG_CMSG_COMPAT flag
Problem Details: The control message provided by J1939 support MSG_CMSG_COMPAT but blocked recvmsg() syscalls that have set this flag, i.e. on 32bit user space on 64 bit kernels. Link: https://github.com/hartkopp/can-isotp/issues/59 Cc: Oleksij Rempel <o.rempel@pengutronix.de> Suggested-by: Marc Kleine-Budde <mkl@peng...
```diff diff --git a/net/can/j1939/socket.c b/net/can/j1939/socket.c index 7e90f9e61d9b..1790469b2580 100644 --- a/net/can/j1939/socket.c +++ b/net/can/j1939/socket.c @@ -798,7 +798,7 @@ static int j1939_sk_recvmsg(struct socket *sock, struct msghdr *msg, struct j1939_sk_buff_cb *skcb; int ret = 0; - if (flags & ...
db2773d65b02aed319a93efdfb958087771d4e19
Analyze and fix the following issue in the Linux kernel code: can: isotp: recvmsg(): allow MSG_CMSG_COMPAT flag
Problem Details: The control message provided by isotp support MSG_CMSG_COMPAT but blocked recvmsg() syscalls that have set this flag, i.e. on 32bit user space on 64 bit kernels. Link: https://github.com/hartkopp/can-isotp/issues/59 Cc: Oleksij Rempel <o.rempel@pengutronix.de> Suggested-by: Marc Kleine-Budde <mkl@peng...
```diff diff --git a/net/can/isotp.c b/net/can/isotp.c index a750259cb79c..84f9aba02901 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -1139,7 +1139,7 @@ static int isotp_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, struct isotp_sock *so = isotp_sk(sk); int ret = 0; - if (flags & ~(MSG_DON...
47e79cbeea4b3891ad476047f4c68543eb51c8e0
Analyze and fix the following issue in the Linux kernel code: bpf: Remove bpf trampoline selector
Problem Details: After commit e21aa341785c ("bpf: Fix fexit trampoline."), the selector is only used to indicate how many times the bpf trampoline image are updated and been displayed in the trampoline ksym name. After the trampoline is freed, the selector will start from 0 again. So the selector is a useless value to ...
```diff diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 456f33b9d205..36e4b2d8cca2 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1125,7 +1125,6 @@ struct bpf_trampoline { int progs_cnt[BPF_TRAMP_MAX]; /* Executable image of trampoline */ struct bpf_tramp_image *cur_image; - u64 selec...
bb5ceb43b7bfa166fd5d739d51ad46c1cfb225e3
Analyze and fix the following issue in the Linux kernel code: ALSA: emu10k1: fix non-zero mixer control defaults in highres mode
Problem Details: The default value needs to be scaled. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230514170323.3408834-3-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index 43abb6c04a7f..fbc1bfc122fc 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -1116,18 +1116,19 @@ snd_emu10k1_init_mono_control(struct snd_emu10k1_fx8010_control_gpr *ctl, ctl->id.iface = (__force int)SNDRV_CTL_EL...
9e5d61c013a2c8b18f1205b6cd488a24ebce2d39
Analyze and fix the following issue in the Linux kernel code: doc/rcutorture: Add description of rcutorture.stall_cpu_block
Problem Details: If you build a kernel with CONFIG_PREEMPTION=n and CONFIG_PREEMPT_COUNT=y, then run the rcutorture tests specifying stalls as follows: runqemu kvm slirp nographic qemuparams="-m 1024 -smp 4" \ bootparams="console=ttyS0 rcutorture.stall_cpu=30 \ rcutorture.stall_no_softlockup=1 rcutorture.stall_cpu_b...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9e5bab29685f..6c8f630f4a91 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5087,8 +5087,17 @@ rcutorture.stall_cpu_block...
04cb8453a91c7c22f60ddadb6cef0d19abb33bb5
Analyze and fix the following issue in the Linux kernel code: bpftool: JIT limited misreported as negative value on aarch64
Problem Details: On aarch64, "bpftool feature" reports an incorrect BPF JIT limit: $ sudo /sbin/bpftool feature Scanning system configuration... bpf() syscall restricted to privileged users JIT compiler is enabled JIT compiler hardening is disabled JIT compiler kallsyms exports are enabled for root skipping kernel con...
```diff diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c index da16e6a27ccc..0675d6a46413 100644 --- a/tools/bpf/bpftool/feature.c +++ b/tools/bpf/bpftool/feature.c @@ -167,12 +167,12 @@ static int get_vendor_id(int ifindex) return strtol(buf, NULL, 0); } -static int read_procfs(const char *p...
d84b1a6708eec06b6cd9d33c5e0177bbd6ba4813
Analyze and fix the following issue in the Linux kernel code: bpf: fix calculation of subseq_idx during precision backtracking
Problem Details: Subsequent instruction index (subseq_idx) is an index of an instruction that was verified/executed by verifier after the currently processed instruction. It is maintained during precision backtracking processing and is used to detect various subprog calling conditions. This patch fixes the bug with in...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 5c636276d907..f597491259ab 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -3864,10 +3864,11 @@ static int __mark_chain_precision(struct bpf_verifier_env *env, int regno) struct bpf_verifier_state *st = env->cur_state; int fi...
103d6e9d61e012d9f7d0aae33529924f9a3d78d9
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: Rename some registers
Problem Details: Give proper names: RF6052_REG_UNKNOWN_56 -> RF6052_REG_PAD_TXG RF6052_REG_UNKNOWN_DF -> RF6052_REG_GAIN_CCA And fix typos: REG_OFDM0_AGCR_SSI_TABLE -> REG_OFDM0_AGC_RSSI_TABLE REG_BB_ACCEESS_CTRL -> REG_BB_ACCESS_CTRL Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Reviewed-by: Ping-Ke Sh...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c index cb45546c4c68..1e1c8fa194cb 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c @@ -654,7 +654,7 @@ stati...
87807f77a03d0271211b75f84b2a8b88f4e8e5d4
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: wcc: Add debug messages
Problem Details: The message is attach and detach function are merly for debugging, change them from pr_err to pr_debug. Signed-off-by: Matthias Brugger <mbrugger@suse.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230509100420.26094...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/wcc/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/wcc/core.c index 02de99818efa..5573a47766ad 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/wcc/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/wcc/core.c @@ -1...
20429444e653ee8242dfbf815c0c37866beb371b
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: fix authentication timeout due to incorrect RCR value
Problem Details: When using rtl8192cu with rtl8xxxu driver to connect wifi, there is a probability of failure, which shows "authentication with ... timed out". Through debugging, it was found that the RCR register has been inexplicably modified to an incorrect value, resulting in the nic not being able to receive authe...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h index 8eafbf1cee71..808c1c895113 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h @@ -1803,6 +1803,7 @@ struct rtl8xxxu_priv { u3...
60fc756fc8e6954a5618eecac73b255d651602e4
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: Check for probe() id argument being NULL
Problem Details: The probe() id argument may be NULL in 2 scenarios: 1. brcmf_pcie_pm_leave_D3() calling brcmf_pcie_probe() to reprobe the device. 2. If a user tries to manually bind the driver from sysfs then the sdio / pcie / usb probe() function gets called with NULL as id argument. 1. Is being hit by users...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index ff710b0b5071..00679a990e3d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -1039,6 +1...
8e4942db5f5ed7b7d9690d93235b3ca49c5c59ce
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: correct qsel_to_ep[] type as int
Problem Details: qsel_to_ep[] can be assigned negative value, so change type from 'u8' to 'int'. Otherwise, Smatch static checker warns: drivers/net/wireless/realtek/rtw88/usb.c:219 rtw_usb_parse() warn: assigning (-22) to unsigned variable 'rtwusb->qsel_to_ep[8]' Cc: stable@vger.kernel.org Fixes: a6f187f92bcc ("w...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/usb.h b/drivers/net/wireless/realtek/rtw88/usb.h index 30647f0dd61c..ad1d7955c6a5 100644 --- a/drivers/net/wireless/realtek/rtw88/usb.h +++ b/drivers/net/wireless/realtek/rtw88/usb.h @@ -78,7 +78,7 @@ struct rtw_usb { u8 pipe_interrupt; u8 pipe_in; u8 out_ep...
73c7f8246539da12c76bb731a2fe7389ae55eae8
Analyze and fix the following issue in the Linux kernel code: cpufreq: ACPI: Prevent a warning when another frequency driver is loaded
Problem Details: The recent change to use platform devices to load ACPI PPC and PCC drivers caused that a misleading warning is reported when a respective module cannot be loaded because another CPU frequency driver is already registered: kernel: acpi-cpufreq: probe of acpi-cpufreq failed with error -17 Address it by...
```diff diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 29904395e95f..b2f05d27167e 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -975,7 +975,7 @@ static int __init acpi_cpufreq_probe(struct platform_device *pdev) /* don't keep reloading if cpu...
4d585f48ee6b38c54c075b151c5efd2ff65f8ffd
Analyze and fix the following issue in the Linux kernel code: bpf: Remove anonymous union in bpf_kfunc_call_arg_meta
Problem Details: For kfuncs like bpf_obj_drop and bpf_refcount_acquire - which take user-defined types as input - the verifier needs to track the specific type passed in when checking a particular kfunc call. This requires tracking (btf, btf_id) tuple. In commit 7c50b1cb76ac ("bpf: Add bpf_refcount_acquire kfunc") I ad...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 754129d41225..5c636276d907 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -279,11 +279,6 @@ struct bpf_call_arg_meta { struct btf_field *kptr_field; }; -struct btf_and_id { - struct btf *btf; - u32 btf_id; -}; - struct bpf...
e1505c1cc8d527fcc5bcaf9c1ad82eed817e3e10
Analyze and fix the following issue in the Linux kernel code: bpf: netdev: init the offload table earlier
Problem Details: Some netdevices may get unregistered before late_initcall(), we have to move the hashtable init earlier. Fixes: f1fc43d03946 ("bpf: Move offload initialization into late_initcall") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217399 Signed-off-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Stan...
```diff diff --git a/kernel/bpf/offload.c b/kernel/bpf/offload.c index d9c9f45e3529..8a26cd8814c1 100644 --- a/kernel/bpf/offload.c +++ b/kernel/bpf/offload.c @@ -859,4 +859,4 @@ static int __init bpf_offload_init(void) return rhashtable_init(&offdevs, &offdevs_params); } -late_initcall(bpf_offload_init); +core_in...
ab87f558dcfb2562c3497e89600dec798a446665
Analyze and fix the following issue in the Linux kernel code: drm/vkms: Fix RGB565 pixel conversion
Problem Details: Currently, the pixel conversion isn't rounding the fixed-point values before assigning it to the RGB coefficients, which is causing the IGT pixel-format tests to fail. So, use the drm_fixp2int_round() fixed-point helper to round the values when assigning it to the RGB coefficients. Tested with igt@kms...
```diff diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c index ebacb8efa055..5945da0beba6 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -106,9 +106,9 @@ static void RGB565_to_argb_u16(u8 *src_pixels, struct pixel_argb_u16 *out_pixel) ...
da5311a4b852eaf2c0feac8b28884a8d8a801dfc
Analyze and fix the following issue in the Linux kernel code: powerpc/spufs: remove unneeded if-checks
Problem Details: For ppc64, gcc with W=1 reports arch/powerpc/platforms/cell/spu_base.c:330:17: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 330 | ; | ^ arch/powerpc/platforms/cell/spu_base.c:333:17: error: suggest braces around empty body...
```diff diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 7bd0b563e163..dea6f0f25897 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -326,12 +326,6 @@ spu_irq_class_1(int irq, void *data) if (stat & CLASS1_STORAGE_FAU...
9d87ab41743fa3658d568859d64936b37f058b60
Analyze and fix the following issue in the Linux kernel code: powerpc: delete empty config entry for PPC_86xx
Problem Details: Drop an unused and empty "config" entry for PPC_86xx. It has no keyword entries under it and the following line's "menuconfig" for the same Kconfig symbol is what kconfig uses. Fixes: d8267c1a3686 ("powerpc: Add 82xx/83xx/86xx to 6xx Multiplatform") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> ...
```diff diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index 8bfafc9d2bf7..67467cd6f34c 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -1,5 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -config PPC_86xx menuconfig PPC_86xx bool "86x...
63b5dbfdb770254c4fdb58d22b62458308685592
Analyze and fix the following issue in the Linux kernel code: platform/x86/amd/pmf: Add PMF debug facilities
Problem Details: At times, when the mode transitions fail to happen, the current driver does not give enough debug information on why the transition failed or the default preset values did not load. Having an on-demand logs guarded by CONFIG would be helpful in such cases. Co-developed-by: Patil Rajesh Reddy <Patil.Re...
```diff diff --git a/drivers/platform/x86/amd/pmf/auto-mode.c b/drivers/platform/x86/amd/pmf/auto-mode.c index 64425201d353..02ff68be10d0 100644 --- a/drivers/platform/x86/amd/pmf/auto-mode.c +++ b/drivers/platform/x86/amd/pmf/auto-mode.c @@ -179,11 +179,34 @@ void amd_pmf_trans_automode(struct amd_pmf_dev *dev, int so...
a82ebb3d800d7baf72122e82ab7c9b240d0a8a56
Analyze and fix the following issue in the Linux kernel code: platform/x86/amd/pmf: Add PMF acpi debug support
Problem Details: PMF driver maintains an internal config store for each PMF feature after the feature init happens. Having a debug mechanism to triage in-field issues w.r.t to mode switch not happening based on the OEM fed values via the ACPI method to PMF driver is becoming the need of the hour. Add support to get mor...
```diff diff --git a/drivers/platform/x86/amd/pmf/Kconfig b/drivers/platform/x86/amd/pmf/Kconfig index d87986adf91e..3064bc8ea167 100644 --- a/drivers/platform/x86/amd/pmf/Kconfig +++ b/drivers/platform/x86/amd/pmf/Kconfig @@ -16,3 +16,14 @@ config AMD_PMF To compile this driver as a module, choose M here: the mo...
95e4b25192e9238fd2dbe85d96dd2f8fd1ce9d14
Analyze and fix the following issue in the Linux kernel code: platform/mellanox: mlxbf-pmc: fix sscanf() error checking
Problem Details: The sscanf() function never returns negatives. It returns the number of items successfully read. Fixes: 1a218d312e65 ("platform/mellanox: mlxbf-pmc: Add Mellanox BlueField PMC driver") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> L...
```diff diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c index c2c9b0d3244c..be967d797c28 100644 --- a/drivers/platform/mellanox/mlxbf-pmc.c +++ b/drivers/platform/mellanox/mlxbf-pmc.c @@ -1348,9 +1348,8 @@ static int mlxbf_pmc_map_counters(struct device *dev) for (i = 0; i...
b54147fa374dbeadcb01b1762db1a793e06e37de
Analyze and fix the following issue in the Linux kernel code: platform/x86/amd/pmf: Fix CnQF and auto-mode after resume
Problem Details: After suspend/resume cycle there is an error message and auto-mode or CnQF stops working. [ 5741.447511] amd-pmf AMDI0100:00: SMU cmd failed. err: 0xff [ 5741.447523] amd-pmf AMDI0100:00: AMD_PMF_REGISTER_RESPONSE:ff [ 5741.447527] amd-pmf AMDI0100:00: AMD_PMF_REGISTER_ARGUMENT:7 [ 5741.447531] amd-pm...
```diff diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index d5bb775dadcf..ee5f124f78b6 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -245,24 +245,29 @@ static const struct pci_device_id pmf_pci_ids[] = { { } }; -int amd_pmf_in...
8133a3f0aa66ed3d7d974c89ac6aca6fe6cec837
Analyze and fix the following issue in the Linux kernel code: powerpc/crypto: Fix aes-gcm-p10 build when VSX=n
Problem Details: When VSX is disabled, eg. microwatt_defconfig, the build fails with: In function ‘enable_kernel_vsx’, inlined from ‘vsx_begin’ at arch/powerpc/crypto/aes-gcm-p10-glue.c:68:2, inlined from ‘p10_aes_gcm_crypt.constprop’ at arch/powerpc/crypto/aes-gcm-p10-glue.c:244:2: ... arch/powerpc/...
```diff diff --git a/arch/powerpc/crypto/Kconfig b/arch/powerpc/crypto/Kconfig index 7113f9355165..ad1872518992 100644 --- a/arch/powerpc/crypto/Kconfig +++ b/arch/powerpc/crypto/Kconfig @@ -96,7 +96,7 @@ config CRYPTO_AES_PPC_SPE config CRYPTO_AES_GCM_P10 tristate "Stitched AES/GCM acceleration support on P10 or ...
71a485624c4cbb144169852d7bb8ca8c0667d7a3
Analyze and fix the following issue in the Linux kernel code: ACPI: resource: Add IRQ override quirk for LG UltraPC 17U70P
Problem Details: Add an ACPI IRQ override quirk for LG UltraPC 17U70P to address the internal keyboard problem on it. Link: https://bugzilla.kernel.org/show_bug.cgi?id=213031 Link: https://bugzilla.kernel.org/show_bug.cgi?id=216983 Signed-off-by: Rubén Gómez Agudo <mrgommer@proton.me> [ rjw: Subject, changelog, white ...
```diff diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index e8492b3a393a..0800a9d77558 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -516,6 +516,17 @@ static const struct dmi_system_id maingear_laptop[] = { { } }; +static const struct dmi_system_id lg_laptop[] = { + { + .i...
2facd5d3980f3a26c04fe6ec8689a1d019a5812c
Analyze and fix the following issue in the Linux kernel code: s390/ipl: fix IPIB virtual vs physical address confusion
Problem Details: The pointer to IPL Parameter Information Block is stored in the absolute lowcore for later use by dump tools. That pointer is a virtual address, though it should be physical instead. Note, this does not fix a real issue, since virtual and physical addresses are currently the same. Suggested-by: Heiko...
```diff diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 43de939b7af1..f44f70de9661 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1935,14 +1935,13 @@ static struct shutdown_action __refdata dump_action = { static void dump_reipl_run(struct shutdown_trigger *trigger) { - unsi...
b1b0d5aec1cf9f9a900a14964f869c68688d923e
Analyze and fix the following issue in the Linux kernel code: s390/cio: include subchannels without devices also for evaluation
Problem Details: Currently when the new channel-path is enabled, we do evaluation only on the subchannels with a device connected on it. This is because, in the past, if the device in the subchannel is not working or not available, we used to unregister the subchannels. But, from the 'commit 2297791c92d0 ("s390/cio: do...
```diff diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 8eb089b99cde..d5c43e9b5128 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1111,6 +1111,8 @@ static void io_subchannel_verify(struct subchannel *sch) cdev = sch_get_cdev(sch); if (cdev) dev_fsm_event(cdev,...
8703dd6b238da0ec6c276e53836f8200983d3d9b
Analyze and fix the following issue in the Linux kernel code: s390/crypto: use vector instructions only if available for ChaCha20
Problem Details: Commit 349d03ffd5f6 ("crypto: s390 - add crypto library interface for ChaCha20") added a library interface to the s390 specific ChaCha20 implementation. However no check was added to verify if the required facilities are installed before branching into the assembler code. If compiled into the kernel, ...
```diff diff --git a/arch/s390/crypto/chacha-glue.c b/arch/s390/crypto/chacha-glue.c index 7752bd314558..5fae187f947a 100644 --- a/arch/s390/crypto/chacha-glue.c +++ b/arch/s390/crypto/chacha-glue.c @@ -82,7 +82,7 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, * it cannot handle a block of data or les...
fbac266f095de92b93e7c91c71cdca432c2c9275
Analyze and fix the following issue in the Linux kernel code: s390: select ARCH_SUPPORTS_INT128
Problem Details: s390 has instructions to support 128 bit arithmetics, e.g. a 64 bit multiply instruction with a 128 bit result. Also 128 bit integer artithmetics are already used in s390 specific architecture code (see e.g. read_persistent_clock64()). Therefore select ARCH_SUPPORTS_INT128. However limit this to clan...
```diff diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index db20c1589a98..0c1bfac08e05 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -117,6 +117,7 @@ config S390 select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_DEBUG_PAGEALLOC select ARCH_SUPPORTS_HUGETLBFS + select ARCH_SUPPORTS_INT128 if CC...
aefde50a446b56f592a589e12e89935bea3b85f9
Analyze and fix the following issue in the Linux kernel code: perf test: Fix parse-events tests for >1 core PMU
Problem Details: Remove assumptions of just 1 core PMU. Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Kan Liang <kan.liang@linux.intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ahmad Yasin <ahmad.yasin@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linu...
```diff diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 0d0c869d2d09..71c77d9d2744 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -35,6 +35,11 @@ static bool test_config(const struct evsel *evsel, __u64 expected_config) return config == expec...
0d9b41daa5907756a31772d8af8ac5ff25cf17c1
Analyze and fix the following issue in the Linux kernel code: nfc: llcp: fix possible use of uninitialized variable in nfc_llcp_send_connect()
Problem Details: If sock->service_name is NULL, the local variable service_name_tlv_length will not be assigned by nfc_llcp_build_tlv(), later leading to using value frmo the stack. Smatch warning: net/nfc/llcp_commands.c:442 nfc_llcp_send_connect() error: uninitialized symbol 'service_name_tlv_length'. Fixes: de9...
```diff diff --git a/net/nfc/llcp_commands.c b/net/nfc/llcp_commands.c index 41e3a20c8935..cdb001de0692 100644 --- a/net/nfc/llcp_commands.c +++ b/net/nfc/llcp_commands.c @@ -390,7 +390,8 @@ int nfc_llcp_send_connect(struct nfc_llcp_sock *sock) const u8 *service_name_tlv = NULL; const u8 *miux_tlv = NULL; const u...
21a3f3328972bdb774c62b301a715b5cebf03fa2
Analyze and fix the following issue in the Linux kernel code: NFSD: Remove open coding of string copy
Problem Details: Instead of open coding a __dynamic_array(), use the __string() and __assign_str() helper macros that exist for this kind of use case. Part of an effort to remove deprecated strlcpy() [1] completely from the kernel[2]. [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy [2] http...
```diff diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 4183819ea082..72a906a053dc 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -1365,19 +1365,19 @@ TRACE_EVENT(nfsd_cb_setup, __field(u32, cl_id) __field(unsigned long, authflavor) __sockaddr(addr, clp->cl_cb_conn.cb_addrlen) - __array(unsigned c...
0f1cb4d777281ca3360dbc8959befc488e0c327e
Analyze and fix the following issue in the Linux kernel code: drm/ssd130x: Fix include guard name
Problem Details: This is a leftover from an early iteration of the driver when it was still named ssd1307 instead of ssd130x. Change it for consistency with the rest. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Sui Jingfeng <suijingfeng@loongso...
```diff diff --git a/drivers/gpu/drm/solomon/ssd130x.h b/drivers/gpu/drm/solomon/ssd130x.h index 03038c1b6476..db03ee5db392 100644 --- a/drivers/gpu/drm/solomon/ssd130x.h +++ b/drivers/gpu/drm/solomon/ssd130x.h @@ -10,8 +10,8 @@ * Copyright 2012 Free Electrons */ -#ifndef __SSD1307X_H__ -#define __SSD1307X_H__ +#...
7e75178a0950c5ceffa2ca3225701b69752f7d3a
Analyze and fix the following issue in the Linux kernel code: x86/smpboot: Support parallel startup of secondary CPUs
Problem Details: In parallel startup mode the APs are kicked alive by the control CPU quickly after each other and run through the early startup code in parallel. The real-mode startup code is already serialized with a bit-spinlock to protect the real-mode stack. In parallel startup mode the smpboot_control variable o...
```diff diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 030f5fb1daaf..98c32aa5963a 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -55,6 +55,8 @@ extern int local_apic_timer_c2_ok; extern int disable_apic; extern unsigned int lapic_timer_period; +extern int...
bea629d57d006733d155bdb65ba4867788da69b6
Analyze and fix the following issue in the Linux kernel code: x86/apic: Save the APIC virtual base address
Problem Details: For parallel CPU brinugp it's required to read the APIC ID in the low level startup code. The virtual APIC base address is a constant because its a fix-mapped address. Exposing that constant which is composed via macros to assembly code is non-trivial due to header inclusion hell. Aside of that it's c...
```diff diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 726c2a243eb0..c6d5b65b7a47 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -196,6 +196,7 @@ extern void nmi_selftest(void); #endif extern unsigned int smpboot_control; +extern unsigned long apic_mmio_base;...