id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
3ea7f59af8ffa17ce5f5173d6f4bfbc73334187d
Analyze and fix the following issue in the Linux kernel code: platform/x86: wmi: Decouple legacy WMI notify handlers from wmi_block_list
Problem Details: Until now, legacy WMI notify handler functions where using the wmi_block_list, which did no refcounting on the returned WMI device. This meant that the WMI device could disappear at any moment, potentially leading to various errors. Fix this by using bus_find_device() which returns an actual reference ...
```diff diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 4e2d0e15b155..699157ce347c 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -219,6 +219,17 @@ static int wmidev_match_guid(struct device *dev, const void *data) return 0; } +static int wmidev_match_notify_...
6ba7843b59b77360812617d071313c7f35f3757a
Analyze and fix the following issue in the Linux kernel code: platform/x86: wmi: Fix error handling in legacy WMI notify handler functions
Problem Details: When wmi_install_notify_handler()/wmi_remove_notify_handler() are unable to enable/disable the WMI device, they unconditionally return an error to the caller. When registering legacy WMI notify handlers, this means that the callback remains registered despite wmi_install_notify_handler() having returne...
```diff diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index bd271a5730aa..23b4043c0fe7 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -593,9 +593,10 @@ acpi_status wmi_install_notify_handler(const char *guid, block->handler_data = data; wmi_status = wmi_meth...
e4cec073b7755a78030f30cf627141c759035b50
Analyze and fix the following issue in the Linux kernel code: dmaengine: at_hdmac: fix some kernel-doc warnings
Problem Details: Fix some kernel-doc format warnings: at_hdmac.c:243: warning: Excess struct member 'sg_len' description in 'at_desc' at_hdmac.c:252: warning: cannot understand function prototype: 'enum atc_status ' ez at_hdmac.c:351: warning: Excess struct member 'atdma_devtype' description in 'at_dma' at_hdmac.c:351...
```diff diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index fb89ecbf0cc5..6bad536e0492 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -222,7 +222,7 @@ struct atdma_sg { * @vd: pointer to the virtual dma descriptor. * @atchan: pointer to the atmel dma channel. * @total_len: tota...
f64fdde9bc771d7d790e8bcc30a7e03bbe0b1a9f
Analyze and fix the following issue in the Linux kernel code: MIPS: sgi-ip32: Fix missing prototypes
Problem Details: Fix interrupt function prototypes, move all prototypes into a new file ip32-common.h and include it where needed. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
```diff diff --git a/arch/mips/sgi-ip32/crime.c b/arch/mips/sgi-ip32/crime.c index a8e0c776ca6c..b8a0e4cfa9ce 100644 --- a/arch/mips/sgi-ip32/crime.c +++ b/arch/mips/sgi-ip32/crime.c @@ -18,6 +18,8 @@ #include <asm/ip32/crime.h> #include <asm/ip32/mace.h> +#include "ip32-common.h" + struct sgi_crime __iomem *crime...
ab58a2f319de945f631150a190653a90e307df8e
Analyze and fix the following issue in the Linux kernel code: MIPS: sgi-ip30: Fix missing prototypes
Problem Details: Include needed header files. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
```diff diff --git a/arch/mips/sgi-ip30/ip30-console.c b/arch/mips/sgi-ip30/ip30-console.c index b91f8c4fdc78..7c6dcf6e73f7 100644 --- a/arch/mips/sgi-ip30/ip30-console.c +++ b/arch/mips/sgi-ip30/ip30-console.c @@ -3,6 +3,7 @@ #include <linux/io.h> #include <asm/sn/ioc3.h> +#include <asm/setup.h> static inline s...
e3a4f1b7ada8360c1838ac3aad9837749a698c7a
Analyze and fix the following issue in the Linux kernel code: MIPS: fw arc: Fix missing prototypes
Problem Details: Make ArcGetMemoryDescriptor() static since it's only needed internally. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
```diff diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c index 66188739f54d..fb78e6fd5de4 100644 --- a/arch/mips/fw/arc/memory.c +++ b/arch/mips/fw/arc/memory.c @@ -37,7 +37,7 @@ static unsigned int nr_prom_mem __initdata; */ #define ARC_PAGE_SHIFT 12 -struct linux_mdesc * __init ArcGetMemoryDesc...
f134bd1ebc28d40010328e5b314e10575e3550e0
Analyze and fix the following issue in the Linux kernel code: MIPS: sgi-ip27: Fix missing prototypes
Problem Details: Fix missing prototypes by making not shared functions static and adding others to ip27-common.h. Also drop ip27-hubio.c as it's not used for a long time. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
```diff diff --git a/arch/mips/sgi-ip27/Makefile b/arch/mips/sgi-ip27/Makefile index 27c14ede191e..9877fcc512b1 100644 --- a/arch/mips/sgi-ip27/Makefile +++ b/arch/mips/sgi-ip27/Makefile @@ -5,7 +5,7 @@ obj-y := ip27-berr.o ip27-irq.o ip27-init.o ip27-klconfig.o \ ip27-klnuma.o ip27-memory.o ip27-nmi.o ip27-res...
c00d9738fd5fce15dc5494d05b7599dce23e8146
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Check xa_load() return value
Problem Details: Add a check to verify the result of xa_load() during the partition lookups done while registering/unregistering the scheduler receiver interrupt callbacks and while executing the main scheduler receiver interrupt callback handler. Fixes: 0184450b8b1e ("firmware: arm_ffa: Add schedule receiver callback...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 8df92c9521f4..0ea1dd6e55c4 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -733,6 +733,11 @@ static void __do_sched_recv_cb(u16 part_id, u16 vcpu, bool is_per_vcpu) void *cb_data;...
5ff30ade16cd9efc2466d3ea22bbaf370772941a
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Add missing rwlock_init() for the driver partition
Problem Details: Add the missing rwlock initialization for the FF-A partition associated the driver in ffa_setup_partitions(). It will the primary scheduler partition in the host or the VM partition in the virtualised environment. IOW, it corresponds to the partition with VM ID == drv_info->vm_id. Fixes: 1b6bf41b7a65 ...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index ed1d6a24934e..8df92c9521f4 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -1237,6 +1237,7 @@ static void ffa_setup_partitions(void) info = kzalloc(sizeof(*info), GFP_KERNEL); i...
59b2e242b13192e50bf47df3780bf8a7e2260e98
Analyze and fix the following issue in the Linux kernel code: firmware: arm_ffa: Add missing rwlock_init() in ffa_setup_partitions()
Problem Details: Add the missing rwlock initialization for the individual FF-A partition information in ffa_setup_partitions(). Fixes: 0184450b8b1e ("firmware: arm_ffa: Add schedule receiver callback mechanism") Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Link: https://lore.kernel.org/r/20240108-ffa_fix...
```diff diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 6146b2927d5c..ed1d6a24934e 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -1226,6 +1226,7 @@ static void ffa_setup_partitions(void) ffa_device_unregister(ffa_dev); continue...
6bd1b3fede83d8ba5314886062a9bfdada5102a9
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Fix the clock protocol supported version
Problem Details: Rollback currently supported SCMI clock protocol version to v2.0 since some of the mandatory v3.0 features are indeed still not supported yet. Fixes: b5efc28a754d ("firmware: arm_scmi: Add protocol versioning checks") Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Link: https://lore.kernel...
```diff diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index d6357513163c..e2050adbf85c 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -13,7 +13,7 @@ #include "notify.h" /* Updated only after ALL the mandatory features for that version a...
27600c96e2ffa6c1b2cb378ddc75c6620c628d04
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Fix the clock protocol version for v3.2
Problem Details: The clock protocol version as per the SCMI v3.2 specification is 0x30000. Enable the v3.0 clock protocol features only when clock protocol version equals 0x30000. The previous beta version of the spec had this value set to 0x20001 and th same value trickled down from the initial development. The versi...
```diff diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index c0644558042a..d6357513163c 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -954,8 +954,7 @@ static int scmi_clock_protocol_init(const struct scmi_protocol_handle *ph) scmi_clock...
b5dc0ffd36560dbadaed9a3d9fd7838055d62d74
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Use xa_insert() when saving raw queues
Problem Details: Use xa_insert() when saving per-channel raw queues to better check for duplicates. Fixes: 7860701d1e6e ("firmware: arm_scmi: Add per-channel raw injection support") Signed-off-by: Cristian Marussi <cristian.marussi@arm.com> Link: https://lore.kernel.org/r/20240108185050.1628687-2-cristian.marussi@arm....
```diff diff --git a/drivers/firmware/arm_scmi/raw_mode.c b/drivers/firmware/arm_scmi/raw_mode.c index 0493aa3c12bf..350573518503 100644 --- a/drivers/firmware/arm_scmi/raw_mode.c +++ b/drivers/firmware/arm_scmi/raw_mode.c @@ -1111,7 +1111,6 @@ static int scmi_raw_mode_setup(struct scmi_raw_mode_info *raw, int i; ...
e8ef4bbe39b9576a73f104f6af743fb9c7b624ba
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Use xa_insert() to store opps
Problem Details: When storing opps by level or index use xa_insert() instead of xa_store() and add error-checking to spot bad duplicates indexes possibly wrongly provided by the platform firmware. Fixes: 31c7c1397a33 ("firmware: arm_scmi: Add v3.2 perf level indexing mode support") Signed-off-by: Cristian Marussi <cri...
```diff diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 8ea2a7b3d35d..211e8e0aef2c 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -350,8 +350,8 @@ process_response_opp(struct scmi_opp *opp, unsigned int loop_idx, } static inline void -p...
0726fcc8d4af75441b38aaa082f820e63b3a8748
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Replace asm-generic/bug.h with linux/bug.h
Problem Details: linux/bug.h includes asm-generic/bug.h already and hence replacing asm-generic/bug.h with linux/bug.h will not regress any build. Also, it is always better to avoid header file inclusion from asm-generic if possible. Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Tanzir Hasan <tanzirh@...
```diff diff --git a/drivers/firmware/arm_scmi/shmem.c b/drivers/firmware/arm_scmi/shmem.c index 517d52fb3bcb..8bf495bcad09 100644 --- a/drivers/firmware/arm_scmi/shmem.c +++ b/drivers/firmware/arm_scmi/shmem.c @@ -10,7 +10,7 @@ #include <linux/processor.h> #include <linux/types.h> -#include <asm-generic/bug.h> +#i...
437a310b22244d4e0b78665c3042e5d1c0f45306
Analyze and fix the following issue in the Linux kernel code: firmware: arm_scmi: Check mailbox/SMT channel for consistency
Problem Details: On reception of a completion interrupt the shared memory area is accessed to retrieve the message header at first and then, if the message sequence number identifies a transaction which is still pending, the related payload is fetched too. When an SCMI command times out the channel ownership remains w...
```diff diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h index c46dc5215af7..00b165d1f502 100644 --- a/drivers/firmware/arm_scmi/common.h +++ b/drivers/firmware/arm_scmi/common.h @@ -314,6 +314,7 @@ void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem, void shmem_clea...
feab19143a1c8c5efdf1934dd0b1defb29bb5026
Analyze and fix the following issue in the Linux kernel code: MIPS: Alchemy: Fix missing prototypes
Problem Details: We have a number of missing prototypes warnings for board_setup(), alchemy_set_lpj() and prom_init_cmdline(), prom_getenv() and prom_get_ethernet_addr(). Fix those by providing definitions for the first two functions in au1000.h which is included everywhere relevant, and including prom.h for the last t...
```diff diff --git a/arch/mips/alchemy/common/prom.c b/arch/mips/alchemy/common/prom.c index b13d8adf3be4..20d30f6265cd 100644 --- a/arch/mips/alchemy/common/prom.c +++ b/arch/mips/alchemy/common/prom.c @@ -40,6 +40,7 @@ #include <linux/string.h> #include <asm/bootinfo.h> +#include <prom.h> int prom_argc; char ...
0dd20a48a541ea5485b8bfc0e0bdbc6ae29b389f
Analyze and fix the following issue in the Linux kernel code: MIPS: Cobalt: Fix missing prototypes
Problem Details: Fix missing prototypes warnings for cobalt_machine_halt() and cobalt_machine_restart() by moving their prototypes to cobalt.h which is included by setup.c. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
```diff diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c index 2e099d55a564..9a266bf78339 100644 --- a/arch/mips/cobalt/setup.c +++ b/arch/mips/cobalt/setup.c @@ -23,9 +23,6 @@ #include <cobalt.h> -extern void cobalt_machine_restart(char *command); -extern void cobalt_machine_halt(void); - const c...
671776b32b26d0cb625bf834170e982fda712cab
Analyze and fix the following issue in the Linux kernel code: mm/slub: unify all sl[au]b parameters with "slab_$param"
Problem Details: Since the SLAB allocator has been removed, so we can clean up the sl[au]b_$params. With only one slab allocator left, it's better to use the generic "slab" term instead of "slub" which is an implementation detail, which is pointed out by Vlastimil Babka. For more information please see [1]. Hence, we a...
```diff diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 89c67c2403fc..aefd68cec2e9 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5891,65 +5891,58 @@ simeth= [IA-64] simscsi=...
37dee2a2f4330a030abc5674bcec25ccc4addbcc
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Improve buffer object debug logs
Problem Details: Make debug logs more readable and consistent: - don't print handle as it is not always available for all buffers - use hashed ivpu_bo ptr as main buffer identifier - remove unused fields from ivpu_bo_print_info() Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: W...
```diff diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c index 95e731e13941..16f3035b91c0 100644 --- a/drivers/accel/ivpu/ivpu_gem.c +++ b/drivers/accel/ivpu/ivpu_gem.c @@ -24,14 +24,11 @@ static const struct drm_gem_object_funcs ivpu_gem_funcs; static inline void ivpu_dbg_bo(struct ivpu_de...
a8c099d5d0e4b0400cfddfd95b881c8bd9349a88
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Free buffer sgt on unbind
Problem Details: Call dma_unmap() on all buffers before the VPU is unbinded to avoid "device driver has pending DMA allocations while released from device" warning when DMA-API debug is enabled. Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link...
```diff diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c index 6890d33cf352..4de454bfbf91 100644 --- a/drivers/accel/ivpu/ivpu_gem.c +++ b/drivers/accel/ivpu/ivpu_gem.c @@ -112,8 +112,6 @@ static void ivpu_bo_unbind_locked(struct ivpu_bo *bo) ivpu_dbg_bo(vdev, bo, "unbind"); - /* TODO: d...
7f66319927a8ced3be715eb7616a890b9bf0348b
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Fix for missing lock around drm_gem_shmem_vmap()
Problem Details: drm_gem_shmem_vmap/vunmap requires dma resv lock to be held. This was missed during conversion to shmem helper. Fixes: 8d88e4cdce4f ("accel/ivpu: Use GEM shmem helper for all buffers") Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.co...
```diff diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c index 1dda4f38ea25..6890d33cf352 100644 --- a/drivers/accel/ivpu/ivpu_gem.c +++ b/drivers/accel/ivpu/ivpu_gem.c @@ -361,7 +361,9 @@ ivpu_bo_alloc_internal(struct ivpu_device *vdev, u64 vpu_addr, u64 size, u32 fla if (ret) goto err_p...
8047d36fe563bf7ee7b28a284a0892506a6000a9
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Add debug prints for MMU map/unmap operations
Problem Details: It is common need to be able to see IOVA/physical to VPU addresses mappings. Especially when debugging different kind of memory related issues. Lack of such logs forces user to modify and recompile KMD manually. This commit adds those logs under MMU debug mask which can be turned on dynamically with m...
```diff diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h index ebc4b84f27b2..9b6e336626e3 100644 --- a/drivers/accel/ivpu/ivpu_drv.h +++ b/drivers/accel/ivpu/ivpu_drv.h @@ -56,6 +56,7 @@ #define IVPU_DBG_JSM BIT(10) #define IVPU_DBG_KREF BIT(11) #define IVPU_DBG_RPM BIT(12) +#define IVPU...
0707496ff4e416ea08c90053fd5fde5811b11b22
Analyze and fix the following issue in the Linux kernel code: soundwire: stream: add missing const to Documentation
Problem Details: Commit 21f4c443731f ("soundwire: stream: constify sdw_port_config when adding devices") added const to sdw_port_config argument, but forgot documentation. Fixes: 21f4c443731f ("soundwire: stream: constify sdw_port_config when adding devices") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@lin...
```diff diff --git a/Documentation/driver-api/soundwire/stream.rst b/Documentation/driver-api/soundwire/stream.rst index b432a2de45d3..2a794484f62c 100644 --- a/Documentation/driver-api/soundwire/stream.rst +++ b/Documentation/driver-api/soundwire/stream.rst @@ -324,12 +324,12 @@ framework, this stream state is linked ...
d2339555c36a07ace3fdd5d7ad584072b3214ff6
Analyze and fix the following issue in the Linux kernel code: ARM: dts: renesas: r8a73a4: Fix thermal parent clock
Problem Details: According to Table 8.1, "Summary of Module Power, Reset condition and Clock assignment" of the R-Mobile APE6 Hardware Manual Rev. 0.7, the parent clock of the thermal sensor clock is the Common Peripheral (CP) clock, which runs at 13 MHz (main clock / 2). As the R-Car Thermal driver does not use the c...
```diff diff --git a/arch/arm/boot/dts/renesas/r8a73a4.dtsi b/arch/arm/boot/dts/renesas/r8a73a4.dtsi index c2be1934490b..ac654ff45d0e 100644 --- a/arch/arm/boot/dts/renesas/r8a73a4.dtsi +++ b/arch/arm/boot/dts/renesas/r8a73a4.dtsi @@ -711,7 +711,7 @@ mstp5_clks: mstp5_clks@e6150144 { compatible = "renesas,r8a73a...
090c4094574705b0afc7d37825cdc5d06f0e7e02
Analyze and fix the following issue in the Linux kernel code: ARM: dts: renesas: r8a73a4: Fix external clocks and clock rate
Problem Details: External clocks should be defined as zero-Hz clocks in the SoC .dtsi, and overridden in the board .dts when present. Correct the clock rate of extal1 from 25 to 26 MHz, to match the crystal oscillator present on the APE6-EVM board. Fixes: a76809a329d6ebae ("ARM: shmobile: r8a73a4: Common clock framew...
```diff diff --git a/arch/arm/boot/dts/renesas/r8a73a4-ape6evm.dts b/arch/arm/boot/dts/renesas/r8a73a4-ape6evm.dts index ed75c01dbee1..3d02f065f71c 100644 --- a/arch/arm/boot/dts/renesas/r8a73a4-ape6evm.dts +++ b/arch/arm/boot/dts/renesas/r8a73a4-ape6evm.dts @@ -209,6 +209,18 @@ status = "okay"; }; +&extal1_clk { ...
d8d222e09dab84a17bb65dda4b94d01c565f5327
Analyze and fix the following issue in the Linux kernel code: xfs: read only mounts with fsopen mount API are busted
Problem Details: Recently xfs/513 started failing on my test machines testing "-o ro,norecovery" mount options. This was being emitted in dmesg: [ 9906.932724] XFS (pmem0): no-recovery mounts must be read-only. Turns out, readonly mounts with the fsopen()/fsconfig() mount API have been busted since day zero. It's onl...
```diff diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index aff20ddd4a9f..5a2512d20bd0 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1496,6 +1496,18 @@ xfs_fs_fill_super( mp->m_super = sb; + /* + * Copy VFS mount flags from the context now that all parameter parsing + * is guaranteed to ha...
4050957c7c2c14aa795dbf423b4180d5ac04e113
Analyze and fix the following issue in the Linux kernel code: drm/exynos: gsc: minor fix for loop iteration in gsc_runtime_resume
Problem Details: Do not forget to call clk_disable_unprepare() on the first element of ctx->clocks array. Found by Linux Verification Center (linuxtesting.org). Fixes: 8b7d3ec83aba ("drm/exynos: gsc: Convert driver to IPP v2 core API") Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru> Reviewed-by: Marek Szyprowski <...
```diff diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 34cdabc30b4f..5302bebbe38c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1342,7 +1342,7 @@ static int __maybe_unused gsc_runtime_resume(struct device *dev...
960b537e91725bcb17dd1b19e48950e62d134078
Analyze and fix the following issue in the Linux kernel code: drm/exynos: fix accidental on-stack copy of exynos_drm_plane
Problem Details: gcc rightfully complains about excessive stack usage in the fimd_win_set_pixfmt() function: drivers/gpu/drm/exynos/exynos_drm_fimd.c: In function 'fimd_win_set_pixfmt': drivers/gpu/drm/exynos/exynos_drm_fimd.c:750:1: error: the frame size of 1032 bytes is larger than 1024 byte drivers/gpu/drm/exynos/e...
```diff diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index 4d986077738b..bce027552474 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -319,9 +319,9 @@ static void decon_win_set_bldmod(struct d...
477552e1d339d9fa654a363c9c0f1e9c4f087d2b
Analyze and fix the following issue in the Linux kernel code: drm/exynos: fix incorrect type issue
Problem Details: Fix incorrect type issue in fimd_commit() of exynos_drm_fimd.c module. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312140930.Me9yWf8F-lkp@intel.com/ Signed-off-by: Inki Dae <inki.dae@samsung.com>
```diff diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 8dde7b1e9b35..a090ff837075 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -480,7 +480,7 @@ static void fimd_commit(struct exynos_drm_crtc *crtc) struc...
d09486a04f5da0a812c26217213b89a3b1acf836
Analyze and fix the following issue in the Linux kernel code: net: fix removing a namespace with conflicting altnames
Problem Details: Mark reports a BUG() when a net namespace is removed. kernel BUG at net/core/dev.c:11520! Physical interfaces moved outside of init_net get "refunded" to init_net when that namespace disappears. The main interface name may get overwritten in the process if it would have conflicted. We need to als...
```diff diff --git a/net/core/dev.c b/net/core/dev.c index f01a9b858347..cb2dab0feee0 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -11551,6 +11551,7 @@ static struct pernet_operations __net_initdata netdev_net_ops = { static void __net_exit default_device_exit_net(struct net *net) { + struct netdev_name_node...
50c4f8172dbf9fdf152eae5179e233879a72dd47
Analyze and fix the following issue in the Linux kernel code: spi: nxp-fspi: Adjust LUT debug output alignment
Problem Details: Ensure the command value and LUT entry values have a fixed width. This way consecutive output lines can be read much easier. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Link: https://msgid.link/r/20240118121016.3734770-1-alexander.stein@ew.tq-group.com Signed-off-by: Mark Brown <b...
```diff diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c index e13f678f2395..88397f712a3b 100644 --- a/drivers/spi/spi-nxp-fspi.c +++ b/drivers/spi/spi-nxp-fspi.c @@ -591,7 +591,7 @@ static void nxp_fspi_prepare_lut(struct nxp_fspi *f, for (i = 0; i < ARRAY_SIZE(lutval); i++) fspi_writel(f, lut...
90050b8d2e1556238d4c69abc11270de523bf955
Analyze and fix the following issue in the Linux kernel code: ASoC: p1022_rdk: fix all kernel-doc warnings
Problem Details: Fix several kernel-doc warnings in p1022_rdk.c: p1022_rdk.c:70: warning: cannot understand function prototype: 'struct machine_data ' p1022_rdk.c:90: warning: Function parameter or struct member 'card' not described in 'p1022_rdk_machine_probe' p1022_rdk.c:90: warning: No description found for return ...
```diff diff --git a/sound/soc/fsl/p1022_rdk.c b/sound/soc/fsl/p1022_rdk.c index 18d129c21648..a42149311c8b 100644 --- a/sound/soc/fsl/p1022_rdk.c +++ b/sound/soc/fsl/p1022_rdk.c @@ -61,7 +61,7 @@ static inline void guts_set_dmuxcr(struct ccsr_guts __iomem *guts, /* There's only one global utilities register */ stati...
d9cacc1a2af2e1cd781b5cd2a3e57fbde64f5a2d
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: amd: Compute file paths on firmware load
Problem Details: Commit 6c393ebbd74a ("ASoC: SOF: core: Implement IPC version fallback if firmware files are missing") changed the order of some operations and the firmware paths are not available anymore at snd_sof_probe() time. Precisely, fw_filename_prefix is set by sof_select_ipc_and_paths() via plat_data->fw_f...
```diff diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c index e05eb7a86dd4..d2d21478399e 100644 --- a/sound/soc/sof/amd/acp-loader.c +++ b/sound/soc/sof/amd/acp-loader.c @@ -267,29 +267,49 @@ int acp_sof_load_signed_firmware(struct snd_sof_dev *sdev) { struct snd_sof_pdata *plat_data = s...
369b997a1371aeecd0a1fb0f9f4ef3747a1d07a4
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: core: Skip firmware test for custom loaders
Problem Details: The ACP driver for Vangogh platform uses a quirk for Valve Galileo device to setup a custom firmware loader, which neither requires nor uses the firmware file indicated via the default_fw_filename member of struct sof_dev_desc. Since commit 6c393ebbd74a ("ASoC: SOF: core: Implement IPC version fallbac...
```diff diff --git a/sound/soc/sof/fw-file-profile.c b/sound/soc/sof/fw-file-profile.c index 138a1ca2c4a8..b56b14232444 100644 --- a/sound/soc/sof/fw-file-profile.c +++ b/sound/soc/sof/fw-file-profile.c @@ -89,6 +89,12 @@ static int sof_test_topology_file(struct device *dev, return ret; } +static bool sof_platform...
a13f0c3c0e8fb3e61fbfd99c6b350cf9be0c4660
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: amd: Optimize quirk for Valve Galileo
Problem Details: Valve's Steam Deck OLED is uniquely identified by vendor and product name (Galileo) DMI fields. Simplify the quirk by removing the unnecessary match on product family. Additionally, fix the related comment as it points to the old product variant. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea...
```diff diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index 9c56d8adf8c5..dd33d24b3962 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -28,11 +28,10 @@ MODULE_PARM_DESC(enable_fw_debug, "Enable Firmware debug"); const struct dmi_system_id acp_sof_quirk_table[] = { { - /* Val...
222be59e5eed1554119294edc743ee548c2371d0
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: amd: Fix memory leak in amd_sof_acp_probe()
Problem Details: Driver uses kasprintf() to initialize fw_{code,data}_bin members of struct acp_dev_data, but kfree() is never called to deallocate the memory, which results in a memory leak. Fix the issue by switching to devm_kasprintf(). Additionally, ensure the allocation was successful by checking the pointer vali...
```diff diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index 32a741fcb84f..9c56d8adf8c5 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -561,17 +561,27 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev) adata->signed_fw_image = false; dmi_id = dmi_first_match(acp_sof_quirk_tabl...
d0ada20279db2649a7549a2b8a4a3379c59f238d
Analyze and fix the following issue in the Linux kernel code: ASoC: amd: acp: Add missing error handling in sof-mach
Problem Details: Handle potential acp_sofdsp_dai_links_create() errors in ACP SOF machine driver's probe function. Note there is no need for an undo. While at it, switch to dev_err_probe(). Fixes: 9f84940f5004 ("ASoC: amd: acp: Add SOF audio support on Chrome board") Signed-off-by: Cristian Ciocaltea <cristian.cioca...
```diff diff --git a/sound/soc/amd/acp/acp-sof-mach.c b/sound/soc/amd/acp/acp-sof-mach.c index 1d313fcb5f2d..6f0ca23638af 100644 --- a/sound/soc/amd/acp/acp-sof-mach.c +++ b/sound/soc/amd/acp/acp-sof-mach.c @@ -112,16 +112,14 @@ static int acp_sof_probe(struct platform_device *pdev) if (dmi_id && dmi_id->driver_data)...
a5e0ace04fbf56c1794b1a2fa7a93672753b3fc7
Analyze and fix the following issue in the Linux kernel code: init: Kconfig: Disable -Wstringop-overflow for GCC-11
Problem Details: -Wstringop-overflow is buggy in GCC-11. Therefore, we should disable this option specifically for that compiler version. To achieve this, we introduce a new configuration option: GCC11_NO_STRINGOP_OVERFLOW. The compiler option related to string operation overflow is now managed under configuration CC_...
```diff diff --git a/Makefile b/Makefile index c01cbbb208ca..9f9b76d3a4b7 100644 --- a/Makefile +++ b/Makefile @@ -986,7 +986,9 @@ NOSTDINC_FLAGS += -nostdinc # perform bounds checking. KBUILD_CFLAGS += $(call cc-option, -fstrict-flex-arrays=3) -KBUILD_CFLAGS += $(call cc-option, -Wstringop-overflow) +#Currently, d...
113a61863ecbfb3c29f3eb18fd9813bccf1743c1
Analyze and fix the following issue in the Linux kernel code: Makefile: Enable -Wstringop-overflow globally
Problem Details: It seems that we have finished addressing all the remaining issues regarding -Wstringop-overflow. So, we are now in good shape to enable this compiler option globally. Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
```diff diff --git a/Makefile b/Makefile index 9869f57c3fb3..c01cbbb208ca 100644 --- a/Makefile +++ b/Makefile @@ -986,6 +986,8 @@ NOSTDINC_FLAGS += -nostdinc # perform bounds checking. KBUILD_CFLAGS += $(call cc-option, -fstrict-flex-arrays=3) +KBUILD_CFLAGS += $(call cc-option, -Wstringop-overflow) + # disable i...
ded080c86b3f99683774af0441a58fc2e3d60cae
Analyze and fix the following issue in the Linux kernel code: rbd: don't move requests to the running list on errors
Problem Details: The running list is supposed to contain requests that are pinning the exclusive lock, i.e. those that must be flushed before exclusive lock is released. When wake_lock_waiters() is called to handle an error, requests on the acquiring list are failed with that error and no flushing takes place. Briefl...
```diff diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 63897d0d6629..12b5d53ec856 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3452,14 +3452,15 @@ static bool rbd_lock_add_request(struct rbd_img_request *img_req) static void rbd_lock_del_request(struct rbd_img_request *img_req) { str...
72b0cbf6b81003c01d63c60180b335f7692d170e
Analyze and fix the following issue in the Linux kernel code: smb: Fix some kernel-doc comments
Problem Details: Fix some kernel-doc comments to silence the warnings: fs/smb/server/transport_tcp.c:374: warning: Function parameter or struct member 'max_retries' not described in 'ksmbd_tcp_read' fs/smb/server/transport_tcp.c:423: warning: Function parameter or struct member 'iface' not described in 'create_socket' ...
```diff diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c index 9d4222154dcc..002a3f0dc7c5 100644 --- a/fs/smb/server/transport_tcp.c +++ b/fs/smb/server/transport_tcp.c @@ -365,6 +365,7 @@ static int ksmbd_tcp_readv(struct tcp_transport *t, struct kvec *iov_orig, * @t: TCP transport instanc...
2acc59dd88d27ad69b66ded80df16c042b04eeec
Analyze and fix the following issue in the Linux kernel code: bcachefs: grab s_umount only if snapshotting
Problem Details: When I was testing mongodb over bcachefs with compression, there is a lockdep warning when snapshotting mongodb data volume. $ cat test.sh prog=bcachefs $prog subvolume create /mnt/data $prog subvolume create /mnt/data/snapshots while true;do $prog subvolume snapshot /mnt/data /mnt/data/snapshot...
```diff diff --git a/fs/bcachefs/fs-ioctl.c b/fs/bcachefs/fs-ioctl.c index e0a19a73c8e1..1346861ed944 100644 --- a/fs/bcachefs/fs-ioctl.c +++ b/fs/bcachefs/fs-ioctl.c @@ -337,11 +337,12 @@ static long __bch2_ioctl_subvolume_create(struct bch_fs *c, struct file *filp, if (arg.flags & BCH_SUBVOL_SNAPSHOT_RO) create_...
369acf97d6fd5da620d053d0f1878ffe32eff555
Analyze and fix the following issue in the Linux kernel code: bcachefs: kvfree bch_fs::snapshots in bch2_fs_snapshots_exit
Problem Details: bch_fs::snapshots is allocated by kvzalloc in __snapshot_t_mut. It should be freed by kvfree not kfree. Or umount will triger: [ 406.829178 ] BUG: unable to handle page fault for address: ffffe7b487148008 [ 406.830676 ] #PF: supervisor read access in kernel mode [ 406.831643 ] #PF: error_code(0x000...
```diff diff --git a/fs/bcachefs/snapshot.c b/fs/bcachefs/snapshot.c index 56af937523ff..cdcff4e5ae5c 100644 --- a/fs/bcachefs/snapshot.c +++ b/fs/bcachefs/snapshot.c @@ -1681,5 +1681,5 @@ int bch2_snapshots_read(struct bch_fs *c) void bch2_fs_snapshots_exit(struct bch_fs *c) { - kfree(rcu_dereference_protected(c->...
00fff4dd58661944af9cb4fe8fe61b4105931776
Analyze and fix the following issue in the Linux kernel code: bcachefs: bios must be 512 byte algined
Problem Details: Fixes: 023f9ac9f70f bcachefs: Delete dio read alignment check Reported-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/fs-io-direct.c b/fs/bcachefs/fs-io-direct.c index fdd57c5785c9..e3b219e19e10 100644 --- a/fs/bcachefs/fs-io-direct.c +++ b/fs/bcachefs/fs-io-direct.c @@ -77,6 +77,10 @@ static int bch2_direct_IO_read(struct kiocb *req, struct iov_iter *iter) bch2_inode_opts_get(&opts, c, &inode->ei_...
46bf2e9cc745996ca56e56ed816e60d07811bd9a
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix excess transaction restarts in __bchfs_fallocate()
Problem Details: drop_locks_do() should not be used in a fastpath without first trying the do in nonblocking mode - the unlock and relock will cause excessive transaction restarts and potentially livelocking with other threads that are contending for the same locks. Signed-off-by: Kent Overstreet <kent.overstreet@linu...
```diff diff --git a/fs/bcachefs/btree_iter.h b/fs/bcachefs/btree_iter.h index da2b74fa63fc..24772538e4cc 100644 --- a/fs/bcachefs/btree_iter.h +++ b/fs/bcachefs/btree_iter.h @@ -819,6 +819,11 @@ __bch2_btree_iter_peek_and_restart(struct btree_trans *trans, #define for_each_btree_key_continue_norestart(_iter, _flags, ...
ef740a1e2939376ea4cc11cc8b923214dc1f4a41
Analyze and fix the following issue in the Linux kernel code: bcachefs: Add missing bch2_moving_ctxt_flush_all()
Problem Details: This fixes a bug with rebalance IOs getting stuck with reads completed, but writes never being issued. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/rebalance.c b/fs/bcachefs/rebalance.c index 95f46cb3b5bd..a729682d653d 100644 --- a/fs/bcachefs/rebalance.c +++ b/fs/bcachefs/rebalance.c @@ -371,6 +371,7 @@ static int do_rebalance(struct moving_context *ctxt) !kthread_should_stop() && !atomic64_read(&r->work_stats.sectors_...
d92b83f592d810aded2e5f90db5f560cc8cf577b
Analyze and fix the following issue in the Linux kernel code: bcachefs: bch2_kthread_io_clock_wait() no longer sleeps until full amount
Problem Details: Drop t he loop in bch2_kthread_io_clock_wait(): this allows the code that uses it to be woken up for other reasons, and fixes a bug where rebalance wouldn't wake up when a scan was requested. This raises the possibility of spurious wakeups, but callers should always be able to handle that reasonably w...
```diff diff --git a/fs/bcachefs/clock.c b/fs/bcachefs/clock.c index f41889093a2c..363644451106 100644 --- a/fs/bcachefs/clock.c +++ b/fs/bcachefs/clock.c @@ -109,7 +109,7 @@ void bch2_kthread_io_clock_wait(struct io_clock *clock, if (cpu_timeout != MAX_SCHEDULE_TIMEOUT) mod_timer(&wait.cpu_timer, cpu_timeout + ji...
0124f42da70c513dc371b73688663c54e5a9666f
Analyze and fix the following issue in the Linux kernel code: bcachefs: Don't pass memcmp() as a pointer
Problem Details: Some (buggy!) compilers have issues with this. Fixes: https://github.com/koverstreet/bcachefs/issues/625 Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/replicas.c b/fs/bcachefs/replicas.c index 1c3900da4c77..cc2672c12031 100644 --- a/fs/bcachefs/replicas.c +++ b/fs/bcachefs/replicas.c @@ -9,6 +9,12 @@ static int bch2_cpu_replicas_to_sb_replicas(struct bch_fs *, struct bch_replicas_cpu *); +/* Some (buggy!) compilers don't ...
359724fa3ab79fbe9f42c6263cddc2afae32eef3
Analyze and fix the following issue in the Linux kernel code: idpf: distinguish vports by the dev_port attribute
Problem Details: idpf registers multiple netdevs (virtual ports) for one PCI function, but it does not provide a way for userspace to distinguish them with sysfs attributes. Per Documentation/ABI/testing/sysfs-class-net, it is a bug not to set dev_port for independent ports on the same PCI bus, device and function. Wi...
```diff diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c index 5fea2fd957eb..58179bd733ff 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_lib.c +++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c @@ -783,6 +783,8 @@ static int idpf_cfg_netdev(struct idpf_vport *vport) ...
a54d51fb2dfb846aedf3751af501e9688db447f5
Analyze and fix the following issue in the Linux kernel code: udp: fix busy polling
Problem Details: Generic sk_busy_loop_end() only looks at sk->sk_receive_queue for presence of packets. Problem is that for UDP sockets after blamed commit, some packets could be present in another queue: udp_sk(sk)->reader_queue In some cases, a busy poller could spin until timeout expiration, even if some packets a...
```diff diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index 888a4b217829..e65ec3fd2799 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -505,12 +505,6 @@ static inline bool sk_psock_strp_enabled(struct sk_psock *psock) return !!psock->saved_data_ready; } -static inline bool sk_is_udp(...
57f2d2097603fea102330e8cfe6be4a8db24809e
Analyze and fix the following issue in the Linux kernel code: bcachefs: Reduce would_deadlock restarts
Problem Details: We don't have to take locks in any particular ordering - we'll make forward progress just fine - but if we try to stick to an ordering, it can help to avoid excessive would_deadlock transaction restarts. This tweaks the reflink path to take extents btree locks in the right order. Signed-off-by: Kent ...
```diff diff --git a/fs/bcachefs/reflink.c b/fs/bcachefs/reflink.c index 607010917421..98255aa64e22 100644 --- a/fs/bcachefs/reflink.c +++ b/fs/bcachefs/reflink.c @@ -486,6 +486,13 @@ s64 bch2_remap_range(struct bch_fs *c, bch2_btree_iter_set_snapshot(&dst_iter, dst_snapshot); + if (dst_inum.inum < src_inum.inu...
e240c1b3635e3fc7d3ba46c6fe12a0d8efb2941a
Analyze and fix the following issue in the Linux kernel code: bcachefs: fix memleak in bch2_split_devs
Problem Details: The pointer dev_name can be modified by strseq(), then causes the memleak: unreferenced object 0xffff9d08a2916c80 (size 32): comm "mount.bcachefs", pid 9090, jiffies 4295856224 (age 17.564s) hex dump (first 32 bytes): 2f 64 65 76 2f 6d 61 70 70 65 72 2f 74 65 73 74 /dev/mapper/test 2d 30 ...
```diff diff --git a/fs/bcachefs/util.c b/fs/bcachefs/util.c index c2ef7cddaa4f..f927c8a19e24 100644 --- a/fs/bcachefs/util.c +++ b/fs/bcachefs/util.c @@ -1186,7 +1186,9 @@ int bch2_split_devs(const char *_dev_name, darray_str *ret) { darray_init(ret); - char *dev_name = kstrdup(_dev_name, GFP_KERNEL), *s = dev_na...
e421946be7d9bf545147bea8419ef8239cb7ca52
Analyze and fix the following issue in the Linux kernel code: fbdev: sis: Error out if pixclock equals zero
Problem Details: The userspace program could pass any values to the driver through ioctl() interface. If the driver doesn't check the value of pixclock, it may cause divide-by-zero error. In sisfb_check_var(), var->pixclock is used as a divisor to caculate drate before it is checked against zero. Fix this by checking ...
```diff diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c index 803ccb6aa479..009bf1d92644 100644 --- a/drivers/video/fbdev/sis/sis_main.c +++ b/drivers/video/fbdev/sis/sis_main.c @@ -1444,6 +1444,8 @@ sisfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) vtotal = v...
04e5eac8f3ab2ff52fa191c187a46d4fdbc1e288
Analyze and fix the following issue in the Linux kernel code: fbdev: savage: Error out if pixclock equals zero
Problem Details: The userspace program could pass any values to the driver through ioctl() interface. If the driver doesn't check the value of pixclock, it may cause divide-by-zero error. Although pixclock is checked in savagefb_decode_var(), but it is not checked properly in savagefb_probe(). Fix this by checking whe...
```diff diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c index dddd6afcb972..ebc9aeffdde7 100644 --- a/drivers/video/fbdev/savage/savagefb_driver.c +++ b/drivers/video/fbdev/savage/savagefb_driver.c @@ -869,6 +869,9 @@ static int savagefb_check_var(struct fb_var_s...
fead90507a37e73d41f6059b325b34412ed8d84b
Analyze and fix the following issue in the Linux kernel code: fbdev: vt8500lcdfb: Remove unnecessary print function dev_err()
Problem Details: The print function dev_err() is redundant because platform_get_irq() already prints an error. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7824 Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Helge Deller <delle...
```diff diff --git a/drivers/video/fbdev/vt8500lcdfb.c b/drivers/video/fbdev/vt8500lcdfb.c index 42c25dc85197..ac73937073a7 100644 --- a/drivers/video/fbdev/vt8500lcdfb.c +++ b/drivers/video/fbdev/vt8500lcdfb.c @@ -374,7 +374,6 @@ static int vt8500lcd_probe(struct platform_device *pdev) irq = platform_get_irq(pdev,...
e3f9bed9bee261e3347131764e42aeedf1ffea61
Analyze and fix the following issue in the Linux kernel code: llc: Drop support for ETH_P_TR_802_2.
Problem Details: syzbot reported an uninit-value bug below. [0] llc supports ETH_P_802_2 (0x0004) and used to support ETH_P_TR_802_2 (0x0011), and syzbot abused the latter to trigger the bug. write$tun(r0, &(0x7f0000000040)={@val={0x0, 0x11}, @val, @mpls={[], @llc={@snap={0xaa, 0x1, ')', "90e5dd"}}}}, 0x16) llc_co...
```diff diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h index 7e73f8e5e497..1d55ba7c45be 100644 --- a/include/net/llc_pdu.h +++ b/include/net/llc_pdu.h @@ -262,8 +262,7 @@ static inline void llc_pdu_header_init(struct sk_buff *skb, u8 type, */ static inline void llc_pdu_decode_sa(struct sk_buff *skb, u8 *...
dad555c816a50c6a6a8a86be1f9177673918c647
Analyze and fix the following issue in the Linux kernel code: llc: make llc_ui_sendmsg() more robust against bonding changes
Problem Details: syzbot was able to trick llc_ui_sendmsg(), allocating an skb with no headroom, but subsequently trying to push 14 bytes of Ethernet header [1] Like some others, llc_ui_sendmsg() releases the socket lock before calling sock_alloc_send_skb(). Then it acquires it again, but does not redo all the sanity c...
```diff diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 9b06c380866b..20551cfb7da6 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -928,14 +928,15 @@ copy_uaddr: */ static int llc_ui_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) { + DECLARE_SOCKADDR(struct sockaddr_llc *, addr, msg->ms...
6c21660fe221a15c789dee2bc2fd95516bc5aeaf
Analyze and fix the following issue in the Linux kernel code: vlan: skip nested type that is not IFLA_VLAN_QOS_MAPPING
Problem Details: In the vlan_changelink function, a loop is used to parse the nested attributes IFLA_VLAN_EGRESS_QOS and IFLA_VLAN_INGRESS_QOS in order to obtain the struct ifla_vlan_qos_mapping. These two nested attributes are checked in the vlan_validate_qos_map function, which calls nla_validate_nested_deprecated wi...
```diff diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index 214532173536..a3b68243fd4b 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -118,12 +118,16 @@ static int vlan_changelink(struct net_device *dev, struct nlattr *tb[], } if (data[IFLA_VLAN_INGRESS_QOS]) { nla_for...
467739baf63646d4a5033f7f8a9306669ea55326
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Fix possible crash after creating sw mqprio TCs
Problem Details: The driver relies on netdev_get_num_tc() to get the number of HW offloaded mqprio TCs to allocate and free TX rings. This won't work and can potentially crash the system if software mqprio or taprio TCs have been setup. netdev_get_num_tc() will return the number of software TCs and it may cause the d...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 0f5004872a46..39845d556baf 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3817,7 +3817,7 @@ static int bnxt_alloc_cp_rings(struct bnxt *bp) { bo...
c20f482129a582455f02eb9a6dcb2a4215274599
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Prevent kernel warning when running offline self test
Problem Details: We call bnxt_half_open_nic() to setup the chip partially to run loopback tests. The rings and buffers are initialized normally so that we can transmit and receive packets in loopback mode. That means page pool buffers are allocated for the aggregation ring just like the normal case. NAPI is not neede...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 3d090d4403df..0f5004872a46 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -11572,10 +11572,12 @@ int bnxt_half_open_nic(struct bnxt *bp) netdev_e...
523384a6aa095d3f3d9ee8b1a4e289d4311cd2d9
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Fix RSS table entries calculation for P5_PLUS chips
Problem Details: The existing formula used in the driver to calculate the number of RSS table entries is to round up the number of RX rings to the next integer multiples of 64 (e.g. 64, 128, 192, ..). This is incorrect. The valid values supported by the chip are 64, 128, 256, 512 only (power of 2 starting from 64). ...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 9fdc90bfce38..3d090d4403df 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -5935,8 +5935,12 @@ static u16 bnxt_get_max_rss_ring(struct bnxt *bp) i...
2ad8e57338ac7b1e149d458669a95132e2460096
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Fix memory leak in bnxt_hwrm_get_rings()
Problem Details: bnxt_hwrm_get_rings() can abort and return error when there are not enough ring resources. It aborts without releasing the HWRM DMA buffer, causing a dma_pool_destroy warning when the driver is unloaded: bnxt_en 0000:99:00.0: dma_pool_destroy bnxt_hwrm, 000000005b089ba8 busy Fixes: f1e50b276d37 ("bn...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 0866aba35d9b..9fdc90bfce38 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -6926,7 +6926,7 @@ static int bnxt_hwrm_get_rings(struct bnxt *bp) if ...
3c1069fa42872f95cf3c6fedf80723d391e12d57
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Wait for FLR to complete during probe
Problem Details: The first message to firmware may fail if the device is undergoing FLR. The driver has some recovery logic for this failure scenario but we must wait 100 msec for FLR to complete before proceeding. Otherwise the recovery will always fail. Fixes: ba02629ff6cb ("bnxt_en: log firmware status on firmware...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 0aacd3c6ed5c..0866aba35d9b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -13232,6 +13232,11 @@ static int bnxt_fw_init_one_p1(struct bnxt *bp) ...
198bc90e0e734e5f98c3d2833e8390cac3df61b2
Analyze and fix the following issue in the Linux kernel code: tcp: make sure init the accept_queue's spinlocks once
Problem Details: When I run syz's reproduction C program locally, it causes the following issue: pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19 PID: 21160 at __pv_queued_spin_unlock_slowpath (kernel/locking/qspinlock_paravirt.h:508) Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011 RIP: ...
```diff diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index d0a2f827d5f2..9ab4bf704e86 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -357,4 +357,12 @@ static inline bool inet_csk_has_ulp(const struct sock *sk) return inet_test_bit(IS...
b01f15a7571b7aa222458bc9bf26ab59bd84e384
Analyze and fix the following issue in the Linux kernel code: selftests: bonding: Increase timeout to 1200s
Problem Details: When tests are run by runner.sh, bond_options.sh gets killed before it can complete: make -C tools/testing/selftests run_tests TARGETS="drivers/net/bonding" [...] # timeout set to 120 # selftests: drivers/net/bonding: bond_options.sh # TEST: prio (active-backup miimon primary_reselect 0) ...
```diff diff --git a/tools/testing/selftests/drivers/net/bonding/settings b/tools/testing/selftests/drivers/net/bonding/settings index 6091b45d226b..79b65bdf05db 100644 --- a/tools/testing/selftests/drivers/net/bonding/settings +++ b/tools/testing/selftests/drivers/net/bonding/settings @@ -1 +1 @@ -timeout=120 +timeout...
8d038f49c1f36772653a498d85024d97c4838e44
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix cast on trace variable
Problem Details: Cast the pointer to unsigned long and let it be implicitly extended to u64. This fixes the build on 32bits arch. Cc: Matthew Brost <matthew.brost@intel.com> Cc: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Matt Roper <matthew.d....
```diff diff --git a/drivers/gpu/drm/xe/xe_trace.h b/drivers/gpu/drm/xe/xe_trace.h index 95163c303f3e..e4e7262191ad 100644 --- a/drivers/gpu/drm/xe/xe_trace.h +++ b/drivers/gpu/drm/xe/xe_trace.h @@ -31,7 +31,7 @@ DECLARE_EVENT_CLASS(xe_gt_tlb_invalidation_fence, ), TP_fast_assign( - __entry->fenc...
406663f777bee53e9ad93dc080c333d4655ab7de
Analyze and fix the following issue in the Linux kernel code: drm/xe/display: Avoid calling readq()
Problem Details: readq() is not available in 32bits and i915_gem_object_read_from_page() is supposed to allow reading arbitrary sizes determined by the `size` argument. Currently the only caller only passes a size == 8 so the second problem is not that big. Migrate to calling memcpy()/memcpy_fromio() to allow possible ...
```diff diff --git a/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h index 5f19550cc845..68d9f6116bdf 100644 --- a/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h +++ b/drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h @...
6d8d038364d8ec573e9dc0872e17bee1e5f12490
Analyze and fix the following issue in the Linux kernel code: drm/xe/mmio: Cast to u64 when printing
Problem Details: resource_size_t uses %pa format in printk since the size varies depending on build options. However to keep the io_size/physical_size addition in the same call we can't pass the address without adding yet another variable in these function. Simply cast it to u64 and keep using %llx. Fixes: 286089ce692...
```diff diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c index c8c5d74b6e90..5f6b53ea5528 100644 --- a/drivers/gpu/drm/xe/xe_mmio.c +++ b/drivers/gpu/drm/xe/xe_mmio.c @@ -272,8 +272,8 @@ int xe_mmio_probe_vram(struct xe_device *xe) drm_info(&xe->drm, "VRAM[%u, %u]: Actual physical size %pa, u...
7b5bdb447b14930b9ef3e39bd301937889c60c96
Analyze and fix the following issue in the Linux kernel code: drm/xe: Use _ULL for u64 division
Problem Details: Use DIV_ROUND_UP_ULL() so it also works on 32bit build. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/2024011900...
```diff diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index 7a3c1c13dc34..ab417f4f7d2a 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -642,7 +642,7 @@ void xe_device_wmb(struct xe_device *xe) u32 xe_device_ccs_bytes(struct xe_device *xe, u64 size) { ...
f020c30299323c206b9041dd478ac040dd828ec0
Analyze and fix the following issue in the Linux kernel code: wifi: ath10k: Fix enum ath10k_fw_crash_dump_type kernel-doc
Problem Details: The kernel-doc script currently reports: drivers/net/wireless/ath/ath10k/coredump.h:27: warning: Enum value 'ATH10K_FW_CRASH_DUMP_REGISTERS' not described in enum 'ath10k_fw_crash_dump_type' drivers/net/wireless/ath/ath10k/coredump.h:27: warning: Enum value 'ATH10K_FW_CRASH_DUMP_CE_DATA' not described ...
```diff diff --git a/drivers/net/wireless/ath/ath10k/coredump.h b/drivers/net/wireless/ath/ath10k/coredump.h index e5ef0352e319..8d274e0f374b 100644 --- a/drivers/net/wireless/ath/ath10k/coredump.h +++ b/drivers/net/wireless/ath/ath10k/coredump.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: ISC */ /* * Copyright (c)...
c80cc5cfefbaca35e019a26f31faa11031c13665
Analyze and fix the following issue in the Linux kernel code: wifi: ath10k: Fix htt_data_tx_completion kernel-doc warning
Problem Details: Currently kernel-doc reports: drivers/net/wireless/ath/ath10k/htt.h:911: warning: Cannot understand * @brief target -> host TX completion indication message definition on line 911 - I thought it was a doc line This is because even though struct htt_data_tx_completion uses the kernel-doc marker "/**"...
```diff diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index eb0ce2f49315..603f6de62b0a 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -906,7 +906,7 @@ struct htt_data_tx_completion_ext { __le16 msdus_rssi[]; } __packed; ...
75dd17fdef110d99a2613d1284d2863cfc7cf6e9
Analyze and fix the following issue in the Linux kernel code: wifi: ath10k: fix htt_q_state_conf & htt_q_state kernel-doc
Problem Details: Currently kernel-doc reports: drivers/net/wireless/ath/ath10k/htt.h:1488: warning: cannot understand function prototype: 'struct htt_q_state_conf ' drivers/net/wireless/ath/ath10k/htt.h:1542: warning: cannot understand function prototype: 'struct htt_q_state ' Update the kernel-doc for these two struc...
```diff diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index 4a9270e2a4c8..eb0ce2f49315 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -3,7 +3,7 @@ * Copyright (c) 2005-2011 Atheros Communications Inc. * Copyright (c) 201...
5f813b0447feef3a4883b66e600c7317a4d7d76b
Analyze and fix the following issue in the Linux kernel code: wifi: ath10k: correctly document enum wmi_tlv_tx_pause_id
Problem Details: Currently kernel-doc reports the issue: drivers/net/wireless/ath/ath10k/wmi-tlv.h:2363: warning: cannot understand function prototype: 'enum wmi_tlv_tx_pause_id ' Update the enum wmi_tlv_tx_pause_id documentation to fix this issue. No functional changes, compile tested only. Signed-off-by: Jeff John...
```diff diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h index 83a8f07a687f..8a2f87d0a3a3 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h @@ -3,7 +3,7 @@ * Copyright (c) 2005-2011 Atheros Communications Inc. * C...
563d5025cf3b51c7bf20e6966af433ed5f838875
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: add missing number of sec cam entries for all variants
Problem Details: Commit b837f78fbffa ("wifi: rtl8xxxu: add hw crypto support for AP mode") introduced max_sec_cam_num as a member of rtl8xxxu_fileops. It was missed to set this number for all variants except 8188f, which caused rtl8xxxu_get_free_sec_cam() to always return 0 and therefore breaking encrypted traffic. Fi...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c index cbeac9386ae5..afe9cc1b49dc 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c @@ -1882,6 +1882,7 @@ str...
b822015a1f57268f5b2ff656736dc4004e7097da
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: avoid invalid list operation when vendor attach fails
Problem Details: When the brcmf_fwvid_attach() fails the driver instance is not added to the vendor list. Hence we should not try to delete it from that list when the brcmf_fwvid_detach() function is called in cleanup path. Cc: stable@vger.kernel.org # 6.2.x Fixes: d6a5c562214f ("wifi: brcmfmac: add support for vendor...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.c index f633e2bbd891..b427782554b5 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwvid.c @@ -186,9 +186,10...
85da8f71aaa7b83ea7ef0e89182e0cd47e16d465
Analyze and fix the following issue in the Linux kernel code: wifi: brcmfmac: Demote vendor-specific attach/detach messages to info
Problem Details: People are getting spooked by brcmfmac errors on their boot console. There's no reason for these messages to be errors. Cc: stable@vger.kernel.org # 6.2.x Fixes: d6a5c562214f ("wifi: brcmfmac: add support for vendor-specific firmware api") Signed-off-by: Hector Martin <marcan@marcan.st> [arend.vanspri...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bca/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bca/core.c index a5d9ac5e6763..a963c242975a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bca/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bca/core.c @@ -1...
70a46e1fda3b3584da01fe072bc959003ebbd8a9
Analyze and fix the following issue in the Linux kernel code: drm/doc/rfc: Removing missing reference to xe.rst
Problem Details: The file has already been deleted as the tasks were completed. However the index reference was missed behind. fixes a doc build warning: Documentation/gpu/rfc/index.rst:35: WARNING: toctree contains reference to nonexisting document 'gpu/rfc/xe' Fixes: d11dc7aa98e5 ("drm/doc/rfc: Remove Xe's pre-mer...
```diff diff --git a/Documentation/gpu/rfc/index.rst b/Documentation/gpu/rfc/index.rst index e4f7b005138d..476719771eef 100644 --- a/Documentation/gpu/rfc/index.rst +++ b/Documentation/gpu/rfc/index.rst @@ -31,7 +31,3 @@ host such documentation: .. toctree:: i915_vm_bind.rst - -.. toctree:: - - xe.rst ```
78e727e58e54efca4c23863fbd9e16e9d2d83f81
Analyze and fix the following issue in the Linux kernel code: cifs: update iface_last_update on each query-and-update
Problem Details: iface_last_update was an unused field when it was introduced. Later, when we had periodic update of server interface list, this field was used regularly to decide when to update next. However, with the new logic of updating the interfaces, it becomes crucial that this field be updated whenever parse_s...
```diff diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index f080fac1b26e..d9553c2556a2 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -615,6 +615,7 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, "Empty network interface list returned by server %s\n...
76025cc2285d9ede3d717fe4305d66f8be2d9346
Analyze and fix the following issue in the Linux kernel code: smb: client: fix parsing of SMB3.1.1 POSIX create context
Problem Details: The data offset for the SMB3.1.1 POSIX create context will always be 8-byte aligned so having the check 'noff + nlen >= doff' in smb2_parse_contexts() is wrong as it will lead to -EINVAL because noff + nlen == doff. Fix the sanity check to correctly handle aligned create context data. Fixes: af1689a9...
```diff diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c index f8d70660ba29..ec39dfbc3154 100644 --- a/fs/smb/client/smb2pdu.c +++ b/fs/smb/client/smb2pdu.c @@ -2277,7 +2277,7 @@ int smb2_parse_contexts(struct TCP_Server_Info *server, noff = le16_to_cpu(cc->NameOffset); nlen = le16_to_cpu(cc->Name...
f24a70106dc1ad2a755b2d42f47cf1dcf24f0b27
Analyze and fix the following issue in the Linux kernel code: lib: checksum: Fix build with CONFIG_NET=n
Problem Details: The generic ipv6 checksums are only defined with CONFIG_NET=y, so gate the test as well. Fixes: 6f4c45cbcb00 ("kunit: Add tests for csum_ipv6_magic and ip_fast_csum") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202401192143.jLdjbIy3-lkp@intel.com/ Close...
```diff diff --git a/lib/checksum_kunit.c b/lib/checksum_kunit.c index af3e5ca4e170..225bb7701460 100644 --- a/lib/checksum_kunit.c +++ b/lib/checksum_kunit.c @@ -593,6 +593,7 @@ static void test_ip_fast_csum(struct kunit *test) static void test_csum_ipv6_magic(struct kunit *test) { +#if defined(CONFIG_NET) const...
71fee48fb772ac4f6cfa63dbebc5629de8b4cc09
Analyze and fix the following issue in the Linux kernel code: tick-sched: Fix idle and iowait sleeptime accounting vs CPU hotplug
Problem Details: When offlining and onlining CPUs the overall reported idle and iowait times as reported by /proc/stat jump backward and forward: cpu 132 0 176 225249 47 6 6 21 0 0 cpu0 80 0 115 112575 33 3 4 18 0 0 cpu1 52 0 60 112673 13 3 1 2 0 0 cpu 133 0 177 226681 47 6 6 21 0 0 cpu0 80 0 116 113387 33 3 4 18 0...
```diff diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index a17d26002831..d2501673028d 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -1576,13 +1576,18 @@ void tick_setup_sched_timer(void) void tick_cancel_sched_timer(int cpu) { struct tick_sched *ts = &per_cpu(tick_cpu_s...
94501c3ca6400e463ff6cc0c9cf4a2feb6a9205d
Analyze and fix the following issue in the Linux kernel code: drm/i915/psr: Only allow PSR in LPSP mode on HSW non-ULT
Problem Details: On HSW non-ULT (or at least on Dell Latitude E6540) external displays start to flicker when we enable PSR on the eDP. We observe a much higher SR and PC6 residency than should be possible with an external display, and indeen much higher than what we observe with eDP disabled and only the external displ...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 696d5d32ca9d..1010b8c405df 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1544,8 +1544,18 @@ static void intel_psr_enable_source(struct intel_dp *intel...
06af1954aeccca78180190eda657af8f52d296c1
Analyze and fix the following issue in the Linux kernel code: drm/xe: Do not flood dmesg with guc log
Problem Details: This information is already present at /sys/kernel/debug/dri/0/gt0/uc/guc_log if needed. v2: add missing chunk v3: remove spurious line Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240118214856.399952-1-rodrigo.vivi@intel.com Signed-off...
```diff diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c index 2891b0cc4f7f..576ff2c1fbb9 100644 --- a/drivers/gpu/drm/xe/xe_guc.c +++ b/drivers/gpu/drm/xe/xe_guc.c @@ -456,7 +456,6 @@ static int guc_wait_ucode(struct xe_guc *guc) if (ret) { struct drm_device *drm = &xe->drm; - struct drm_...
6386f6c995b3ab91c72cfb76e4465553c555a8da
Analyze and fix the following issue in the Linux kernel code: dmaengine: fsl-qdma: increase size of 'irq_name'
Problem Details: We seem to have hit warnings of 'output may be truncated' which is fixed by increasing the size of 'irq_name' drivers/dma/fsl-qdma.c: In function ‘fsl_qdma_irq_init’: drivers/dma/fsl-qdma.c:824:46: error: ‘%d’ directive writing between 1 and 11 bytes into a region of size 10 [-Werror=format-overflow=]...
```diff diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c index 47cb28468049..a1d0aa63142a 100644 --- a/drivers/dma/fsl-qdma.c +++ b/drivers/dma/fsl-qdma.c @@ -805,7 +805,7 @@ fsl_qdma_irq_init(struct platform_device *pdev, int i; int cpu; int ret; - char irq_name[20]; + char irq_name[32]; fsl_qdma...
f829bca2e294bc2953bd2dadb93d72a9987b3110
Analyze and fix the following issue in the Linux kernel code: dmaengine: xilinx: xdma: Fix kernel-doc warnings
Problem Details: Replace hyphens with colons where necessary. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312230634.3AIMQ3OP-lkp@intel.com/ Signed-off-by: Jan Kuliga <jankul@alatek.krakow.pl> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel...
```diff diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index ee595d1ebc63..170017ff2aad 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -548,11 +548,11 @@ static void xdma_synchronize(struct dma_chan *chan) /** * xdma_fill_descs - Fill hardware descriptors with contigu...
62b68a88795942512936896b9fec1ee7d5fa9922
Analyze and fix the following issue in the Linux kernel code: dmaengine: usb-dmac: Avoid format-overflow warning
Problem Details: gcc points out that the fix-byte buffer might be too small: drivers/dma/sh/usb-dmac.c: In function 'usb_dmac_probe': drivers/dma/sh/usb-dmac.c:720:34: warning: '%u' directive writing between 1 and 10 bytes into a region of size 3 [-Wformat-overflow=] 720 | sprintf(pdev_irqname, "ch%u", index)...
```diff diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index a9b4302f6050..f7cd0cad056c 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -706,10 +706,10 @@ static const struct dev_pm_ops usb_dmac_pm = { static int usb_dmac_chan_probe(struct usb_dmac *dmac, stru...
dbc153fd3c142909e564bb256da087e13fbf239c
Analyze and fix the following issue in the Linux kernel code: net/smc: fix illegal rmb_desc access in SMC-D connection dump
Problem Details: A crash was found when dumping SMC-D connections. It can be reproduced by following steps: - run nginx/wrk test: smc_run nginx smc_run wrk -t 16 -c 1000 -d <duration> -H 'Connection: Close' <URL> - continuously dump SMC-D connections in parallel: watch -n 1 'smcss -D' BUG: kernel NULL pointer...
```diff diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c index 52f7c4f1e767..5a33908015f3 100644 --- a/net/smc/smc_diag.c +++ b/net/smc/smc_diag.c @@ -164,7 +164,7 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb, } if (smc_conn_lgr_valid(&smc->conn) && smc->conn.lgr->is_smcd && (req->di...
e626cb02ee8399fd42c415e542d031d185783903
Analyze and fix the following issue in the Linux kernel code: futex: Prevent the reuse of stale pi_state
Problem Details: Jiri Slaby reported a futex state inconsistency resulting in -EINVAL during a lock operation for a PI futex. It requires that the a lock process is interrupted by a timeout or signal: T1 Owns the futex in user space. T2 Tries to acquire the futex in kernel (futex_lock_pi()). Allocates a pi_s...
```diff diff --git a/kernel/futex/core.c b/kernel/futex/core.c index e0e853412c15..1e78ef24321e 100644 --- a/kernel/futex/core.c +++ b/kernel/futex/core.c @@ -627,12 +627,21 @@ retry: } /* - * PI futexes can not be requeued and must remove themselves from the - * hash bucket. The hash bucket lock (i.e. lock_ptr) is...
c4d6dcb3b6250ea546a952ad33382daf7cd32425
Analyze and fix the following issue in the Linux kernel code: dmaengine: sh: rz-dmac: Avoid format-overflow warning
Problem Details: The max channel count for RZ DMAC is 16, hence use u8 instead of unsigned int and make the pdev_irqname string long enough to avoid the warning. This fixes the below issue: drivers/dma/sh/rz-dmac.c: In function ‘rz_dmac_probe’: drivers/dma/sh/rz-dmac.c:770:34: warning: ‘%u’ directive writing between 1...
```diff diff --git a/drivers/dma/sh/rz-dmac.c b/drivers/dma/sh/rz-dmac.c index fea5bda34bc2..1f1e86ba5c66 100644 --- a/drivers/dma/sh/rz-dmac.c +++ b/drivers/dma/sh/rz-dmac.c @@ -755,11 +755,11 @@ static struct dma_chan *rz_dmac_of_xlate(struct of_phandle_args *dma_spec, static int rz_dmac_chan_probe(struct rz_dmac ...
98373a21159379341742dadd6c038fe8ff34d9a1
Analyze and fix the following issue in the Linux kernel code: dmaengine: imx-sdma: fix Excess kernel-doc warnings
Problem Details: Fix warnings of "Excess struct member" by removing those lines. They are extraneous. imx-sdma.c:467: warning: Excess struct member 'context_loaded' description in 'sdma_channel' imx-sdma.c:467: warning: Excess struct member 'bd_pool' description in 'sdma_channel' imx-sdma.c:500: warning: Excess struct...
```diff diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index f81ecf5863e8..9b42f5e96b1e 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -421,9 +421,7 @@ struct sdma_desc { * @shp_addr: value for gReg[6] * @per_addr: value for gReg[2] * @status: status of dma channel - * @conte...
620a7e4c1f03a84e10c8c3fa0ae1aab03ef84294
Analyze and fix the following issue in the Linux kernel code: dmaengine: xilinx: xdma: Fix initialization location of desc in xdma_channel_isr()
Problem Details: Clang warns (or errors with CONFIG_WERROR=y): drivers/dma/xilinx/xdma.c:894:3: error: variable 'desc' is uninitialized when used here [-Werror,-Wuninitialized] 894 | desc->error = true; | ^~~~ The initialization of desc was moved too far forward, move it ...
```diff diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index d5b9fc3fd955..ee595d1ebc63 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -888,6 +888,8 @@ static irqreturn_t xdma_channel_isr(int irq, void *dev_id) if (ret) goto out; + desc = to_xdma_desc(vd); + st &=...
fe0d495e759cee0dbfff4348b5791f21b6f56655
Analyze and fix the following issue in the Linux kernel code: dmaengine: xilinx: xdma: Fix operator precedence in xdma_prep_interleaved_dma()
Problem Details: Clang warns (or errors with CONFIG_WERROR=y): drivers/dma/xilinx/xdma.c:757:68: error: operator '?:' has lower precedence than '+'; '+' will be evaluated first [-Werror,-Wparentheses] 757 | src_addr += dmaengine_get_src_icg(xt, &xt->sgl[i]) + xt->src_inc ? | ...
```diff diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index 4ebc90b41bdb..d5b9fc3fd955 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -754,10 +754,10 @@ xdma_prep_interleaved_dma(struct dma_chan *chan, dst_addr = xt->dst_start; for (i = 0; i < xt->frame_size; ++i) { ...
6a9531c3a88096a26cf3ac582f7ec44f94a7dcb2
Analyze and fix the following issue in the Linux kernel code: memblock: fix crash when reserved memory is not added to memory
Problem Details: After commit 61167ad5fecd ("mm: pass nid to reserve_bootmem_region()") nid of a reserved region is used by init_reserved_page() (with CONFIG_DEFERRED_STRUCT_PAGE_INIT=y) to access node strucure. In many cases the nid of the reserved memory is not set and this causes a crash. When the nid of a reserved...
```diff diff --git a/mm/memblock.c b/mm/memblock.c index 5a88d6d24d79..4823ad979b72 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -2141,6 +2141,9 @@ static void __init memmap_init_reserved_pages(void) start = region->base; end = start + region->size; + if (nid == NUMA_NO_NODE || nid >= MAX_NUMNODES) + ...
180a8f12c21f41740fee09ca7f7aa98ff5bb99f8
Analyze and fix the following issue in the Linux kernel code: Input: goodix - accept ACPI resources with gpio_count == 3 && gpio_int_idx == 0
Problem Details: Some devices list 3 Gpio resources in the ACPI resource list for the touchscreen: 1. GpioInt resource pointing to the GPIO used for the interrupt 2. GpioIo resource pointing to the reset GPIO 3. GpioIo resource pointing to the GPIO used for the interrupt Note how the third extra GpioIo resource reall...
```diff diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index af32fbe57b63..b068ff8afbc9 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -884,7 +884,8 @@ static int goodix_add_acpi_gpio_mappings(struct goodix_ts_data *ts) } } - if (...
2095d5071d60fd6835f14f29621c6f234a1c0293
Analyze and fix the following issue in the Linux kernel code: drm/panel: novatek-nt36672e: Include <linux/of.h>
Problem Details: Include <linux/of.h> instead of <linux/of_device.h> to fix below compilation errors: drivers/gpu/drm/panel/panel-novatek-nt36672e.c:564:14: error: implicit declaration of function 'of_device_get_match_data' ctx->desc = of_device_get_match_data(dev); ^ drivers/gpu/drm/panel/panel-novate...
```diff diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c index d4e85c2fc899..cb7406d74466 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c @@ -4,7 +4,7 @@ #include <linux/delay.h> #include <linu...
d87123aa9a7920e88633ffc5c5a0a22ab08bdc06
Analyze and fix the following issue in the Linux kernel code: sh: ecovec24: Rename missed backlight field from fbdev to dev
Problem Details: One instance of gpio_backlight_platform_data.fbdev was renamed, but the second instance was forgotten, causing a build failure: arch/sh/boards/mach-ecovec24/setup.c: In function ‘arch_setup’: arch/sh/boards/mach-ecovec24/setup.c:1223:37: error: ‘struct gpio_backlight_platform_data’ has no memb...
```diff diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 0f279360838a..30d117f9ad7e 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -1220,7 +1220,7 @@ static int __init arch_setup(void) lcdc_info.ch[0].num_modes = ARRAY_SI...
cacea81390fd8c8c85404e5eb2adeb83d87a912e
Analyze and fix the following issue in the Linux kernel code: nouveau/vmm: don't set addr on the fail path to avoid warning
Problem Details: nvif_vmm_put gets called if addr is set, but if the allocation fails we don't need to call put, otherwise we get a warning like [523232.435671] ------------[ cut here ]------------ [523232.435674] WARNING: CPU: 8 PID: 1505697 at drivers/gpu/drm/nouveau/nvif/vmm.c:68 nvif_vmm_put+0x72/0x80 [nouveau] [5...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_vmm.c b/drivers/gpu/drm/nouveau/nouveau_vmm.c index a6602c012671..3dda885df5b2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vmm.c +++ b/drivers/gpu/drm/nouveau/nouveau_vmm.c @@ -108,6 +108,9 @@ nouveau_vma_new(struct nouveau_bo *nvbo, struct nouveau_vmm *vmm, } els...
936eba9cfb5cfbf6a2c762cd163605f2b784e03e
Analyze and fix the following issue in the Linux kernel code: cifs: open_cached_dir should not rely on primary channel
Problem Details: open_cached_dir today selects ses->server a.k.a primary channel to send requests. When multichannel is used, the primary channel maybe down. So it does not make sense to rely only on that channel. This fix makes this function pick a channel with the standard helper function cifs_pick_channel. Signed-...
```diff diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c index d64a306a414b..971892620504 100644 --- a/fs/smb/client/cached_dir.c +++ b/fs/smb/client/cached_dir.c @@ -151,7 +151,7 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon, return -EOPNOTSUPP; ses = tcon->ses; - server = ...
04ae3eb470e52a3c41babe85ff8cee195e4dcbea
Analyze and fix the following issue in the Linux kernel code: drm/lima: fix a memleak in lima_heap_alloc
Problem Details: When lima_vm_map_bo fails, the resources need to be deallocated, or there will be memleaks. Fixes: 6aebc51d7aef ("drm/lima: support heap buffer creation") Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn> Signed-off-by: Qiang Yu <yuq825@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/2024...
```diff diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c index 4f9736e5f929..7ea244d876ca 100644 --- a/drivers/gpu/drm/lima/lima_gem.c +++ b/drivers/gpu/drm/lima/lima_gem.c @@ -75,29 +75,34 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm) } else { bo->base.sgt = kmalloc(...