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ed359a464846b48f76ea6cc5cd8257e545ac97f4
Analyze and fix the following issue in the Linux kernel code: fbdev: pm2fb: fix missing pci_disable_device()
Problem Details: Add missing pci_disable_device() in error path of probe() and remove() path. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Helge Deller <deller@gmx.de>
```diff diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index 0823c9de859a..47d212944f30 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -1533,8 +1533,10 @@ static int pm2fb_probe(struct pci_dev *pdev, const struct pci_device_id *id) } info = framebuffer_alloc(...
23910a20f3fe7bdddd4c834a2c7b4547a554e86f
Analyze and fix the following issue in the Linux kernel code: fbdev: omapfb: panel-sharp-ls037v7dw01: fix included headers
Problem Details: The driver is using gpiod API so it should include gpio/consumer.h and not gpio.gh or of_gpio.h. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Helge Deller <deller@gmx.de>
```diff diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c index f1072c319de8..cc30758300e2 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/video/fbdev/omap2/omapfb/displays...
891bbadf1cf178eba8f2e3e175eabeee37a61ce8
Analyze and fix the following issue in the Linux kernel code: fbdev: omapfb: encoder-opa362: fix included headers
Problem Details: The driver has been switched to gpiod API, so it should include gpio/consumer.h instead of gpio.h and of_gpio.h. With of_gpio.h no longer included we need mod_devicetable.h for of_device_id definition. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Helge Deller <deller@gmx....
```diff diff --git a/drivers/video/fbdev/omap2/omapfb/displays/encoder-opa362.c b/drivers/video/fbdev/omap2/omapfb/displays/encoder-opa362.c index ba7ed4039f8a..dd29dc5c77ec 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/encoder-opa362.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/encoder-opa362.c @@ -11,11...
025e3b507a3a8e1ee96a3112bb67495c77d6cdb6
Analyze and fix the following issue in the Linux kernel code: fbdev: ssd1307fb: Drop optional dependency
Problem Details: Only a single out of three devices need a PWM, so from driver it's optional. Moreover it's a single driver in the entire kernel that currently selects PWM. Unfortunately this selection is a root cause of the circular dependencies when we want to enable optional PWM for some other drivers that select GP...
```diff diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 71019b167f8b..66f36b69e8f3 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -2254,7 +2254,6 @@ config FB_SSD1307 select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT select FB_DEFERRED_IO - select PWM sel...
549a715b98a13c6d05452be3ad37e980087bb081
Analyze and fix the following issue in the Linux kernel code: KVM: x86: Add proper ReST tables for userspace MSR exits/flags
Problem Details: Add ReST formatting to the set of userspace MSR exits/flags so that the resulting HTML docs generate a table instead of malformed gunk. This also fixes a warning that was introduced by a recent cleanup of the relevant documentation (yay copy+paste). >> Documentation/virt/kvm/api.rst:7287: WARNING: B...
```diff diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index c618fae44ad7..778c6460d1de 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -6455,9 +6455,11 @@ The "reason" field specifies why the MSR interception occurred. Userspace will only receive MSR e...
c587e77e100fa40eb6af10e00497c67acf493f33
Analyze and fix the following issue in the Linux kernel code: perf stat: Do not delay the workload with --delay
Problem Details: The -D/--delay option is to delay the measure after the program starts. But the current code goes to sleep before starting the program so the program is delayed too. This is not the intention, let's fix it. Before: $ time sudo ./perf stat -a -e cycles -D 3000 sleep 4 Events disabled Events ena...
```diff diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 2808f2aa9a82..bf640abc9c41 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -539,26 +539,14 @@ static int enable_counters(void) return err; } - if (stat_config.initial_delay < 0) { - pr_info(EVLIST_DISABLE...
542d3c03fd895eb8370992293498332ea383a3b9
Analyze and fix the following issue in the Linux kernel code: media: sun6i-isp: params: Unregister pending buffer on cleanup
Problem Details: The state cleanup helper should unregister the pending buffer from the state after returning it to v4l2, like it is done for other buffers in the wait queue. Before this change, the pending buffer from a previous run might have been returned at the beginning of the next run, causing an error. Signed-...
```diff diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c index 7b41a13162b9..e28be895b486 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c @@ -208,6 +208,8 ...
94c34359c88737d903c44d1c1a265cfdc58acd0e
Analyze and fix the following issue in the Linux kernel code: media: sun6i-isp: params: Fix incorrect indentation
Problem Details: Remove a heading whitespace that results in a smatch warning. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Fixes: e3185e1d7c14 ("media: staging: media: Add support for the Allwinner A31 ISP") Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hv...
```diff diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c index 8039e311cb1c..7b41a13162b9 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c @@ -183,8 +183,8 ...
7266eb7c5a52efe8dc19a34c45c0fc8e3c0e4137
Analyze and fix the following issue in the Linux kernel code: media: sun6i-isp: capture: Fix uninitialized variable use
Problem Details: While the stride_chroma variable was previously initialized to zero, it's actually stride_chroma_div4 that is set to hardware registers. Initialize it to zero instead to avoid an uninitialized variable use and get rid of the associated smatch warning. Signed-off-by: Paul Kocialkowski <paul.kocialkows...
```diff diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c index 4b592820845a..1595a9607775 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c @@ -108,8 +10...
44723b8c4692566237321d658b482025bb0235f8
Analyze and fix the following issue in the Linux kernel code: media: sun6i-isp: proc: Declare subdev ops as static
Problem Details: The static keyword is missing in the v4l2 subdev ops definition for the proc. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Fixes: e3185e1d7c14 ("media: staging: media: Add support for the Allwinner A31 ISP") Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: ...
```diff diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c index 4f34c1bc8be9..1ca4673df2b3 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c @@ -342,7 +342,7 @@ stati...
f72af770947825cd9947ce8b979bf9d6fe699c73
Analyze and fix the following issue in the Linux kernel code: media: sun6i-isp: proc: Error out on invalid port to fix warning
Problem Details: The enabled variable is only set for a valid port and used later, which triggers an uninitialized use smatch warning. Explicitly error out in that case to fix the warning. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Fixes: e3185e1d7c14 ("media: staging: media: Add support for the ...
```diff diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c index a95709d2c573..4f34c1bc8be9 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c @@ -416,7 +416,7 @@ stati...
504307f2b3ae2625ed591efe073c2d14d568dfc8
Analyze and fix the following issue in the Linux kernel code: media: sun6i-isp: proc: Fix return code handling in stream off path
Problem Details: Explicitly set ret to zero on disable path to avoid a related smatch warning. This makes initialization at declaration useless. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Fixes: e3185e1d7c14 ("media: staging: media: Add support for the Allwinner A31 ISP") Signed-off-by: Sakari Ai...
```diff diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c index d69d2be0add2..a95709d2c573 100644 --- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c +++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_proc.c @@ -173,8 +173,7 @@ stati...
7fabed7ae6185ef7f5967f3a2271c906ec6b7b7d
Analyze and fix the following issue in the Linux kernel code: media: sun6i-csi: bridge: Error out on invalid port to fix warning
Problem Details: The enabled variable is only set for a valid port and used later, which triggers an uninitialized use smatch warning. Explicitly error out in that case to fix the warning. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Fixes: 0d2b746b1bef ("media: sun6i-csi: Add bridge v4l2 subdev wi...
```diff diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c index ebfc870d2af5..4db950973ce2 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c @@ -663,7 +66...
73278d483378cf850ade923a1107a70297b2602a
Analyze and fix the following issue in the Linux kernel code: media: v4l2-ctrls-api.c: add back dropped ctrl->is_new = 1
Problem Details: The patch adding support for dynamically allocated arrays accidentally dropped the line setting ctrl->is_new to 1, thus new string values were always ignored. Fixes: fb582cba4492 ("media: v4l2-ctrls: add support for dynamically allocated arrays.") Reported-by: Alice Yuan <alice.yuan@nxp.com> Signed-of...
```diff diff --git a/drivers/media/v4l2-core/v4l2-ctrls-api.c b/drivers/media/v4l2-core/v4l2-ctrls-api.c index d0a3aa3806fb..3d3b6dc24ca6 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-api.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-api.c @@ -150,6 +150,7 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l...
ad0fca2dceeab8fdd8e1135f4b4ef2dc46c2ead9
Analyze and fix the following issue in the Linux kernel code: drm/i915/ttm: consider CCS for backup objects
Problem Details: It seems we can have one or more framebuffers that are still pinned when suspending lmem, in such a case we end up creating a shmem backup object, instead of evicting the object directly, but this will skip copying the CCS aux state, since we don't allocate the extra storage for the CCS pages as part o...
```diff diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 733696057761..1a0886b8aaa1 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -785,6 +785,9 @@ bool i915_gem_object_needs_ccs_pages(struct drm_i915_...
952d19190c6d482ec725f22e8bc8646bc0189d41
Analyze and fix the following issue in the Linux kernel code: drm/i915/migrate: fix corner case in CCS aux copying
Problem Details: In the case of lmem -> lmem transfers, which is currently only possible with small-bar systems, we need to ensure we copy the CCS aux state as-is, rather than nuke it. This should fix some nasty display corruption sometimes seen on DG2 small-bar systems, when also using DG2_RC_CCS_CC for the surface. ...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index b783f6f740c8..5fb74e71f27b 100644 --- a/drivers/gpu/drm/i915/gt/intel_migrate.c +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c @@ -837,14 +837,35 @@ intel_context_migrate_copy(struct intel_context *ce, if (er...
85c50197716c60fe57f411339c579462e563ac57
Analyze and fix the following issue in the Linux kernel code: loop: Fix the max_loop commandline argument treatment when it is set to 0
Problem Details: Currently, the max_loop commandline argument can be used to specify how many loop block devices are created at init time. If it is not specified on the commandline, CONFIG_BLK_DEV_LOOP_MIN_COUNT loop block devices will be created. The max_loop commandline argument can be used to override the value of ...
```diff diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 1f8f3b87bdfa..df628e30bca4 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1773,7 +1773,16 @@ static const struct block_device_operations lo_fops = { /* * And now the modules code and kernel interface. */ -static int max_loop; ...
e89f3edffb860a0f54a9ed16deadb7a4a1fa3862
Analyze and fix the following issue in the Linux kernel code: bpf: prevent leak of lsm program after failed attach
Problem Details: In [0], we added the ability to bpf_prog_attach LSM programs to cgroups, but in our validation to make sure the prog is meant to be attached to BPF_LSM_CGROUP, we return too early if the check fails. This results in lack of decrementing prog's refcnt (through bpf_prog_put) leaving the LSM program alive...
```diff diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 35972afb6850..64131f88c553 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -3518,9 +3518,9 @@ static int bpf_prog_attach(const union bpf_attr *attr) case BPF_PROG_TYPE_LSM: if (ptype == BPF_PROG_TYPE_LSM && prog->expected...
a8dfde09c90109e3a98af54847e91bde7dc2d5c2
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Select CONFIG_FUNCTION_ERROR_INJECTION
Problem Details: BPF selftests require CONFIG_FUNCTION_ERROR_INJECTION to work. However, CONFIG_FUNCTION_ERROR_INJECTION is no longer 'y' by default after recent changes. As a result, we are seeing errors like the following from BPF CI: bpf_testmod_test_read() is not modifiable __x64_sys_setdomainname is not sle...
```diff diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config index 612f699dc4f7..63cd4ab70171 100644 --- a/tools/testing/selftests/bpf/config +++ b/tools/testing/selftests/bpf/config @@ -16,6 +16,7 @@ CONFIG_CRYPTO_USER_API_HASH=y CONFIG_DYNAMIC_FTRACE=y CONFIG_FPROBE=y CONFIG_FTRACE_...
ec9230b18b45853287298d70be23f8ec6bd44ff0
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix a selftest compilation error with CONFIG_SMP=n
Problem Details: Kernel test robot reported bpf selftest build failure when CONFIG_SMP is not set. The error message looks below: >> progs/rcu_read_lock.c:256:34: error: no member named 'last_wakee' in 'struct task_struct' last_wakee = task->real_parent->last_wakee; ~~~~~~~~~~~...
```diff diff --git a/tools/testing/selftests/bpf/progs/rcu_read_lock.c b/tools/testing/selftests/bpf/progs/rcu_read_lock.c index 125f908024d3..5cecbdbbb16e 100644 --- a/tools/testing/selftests/bpf/progs/rcu_read_lock.c +++ b/tools/testing/selftests/bpf/progs/rcu_read_lock.c @@ -288,13 +288,13 @@ out: SEC("?fentry.s/" ...
d2b497a973fcb76a6b7a552f081b83a1edd91c86
Analyze and fix the following issue in the Linux kernel code: docs/bpf: Reword docs for BPF_MAP_TYPE_SK_STORAGE
Problem Details: Improve the grammar of the function descriptions and highlight that the key is a socket fd. Fixes: f3212ad5b7e9 ("docs/bpf: Add documentation for BPF_MAP_TYPE_SK_STORAGE") Reported-by: Martin KaFai Lau <martin.lau@linux.dev> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Martin ...
```diff diff --git a/Documentation/bpf/map_sk_storage.rst b/Documentation/bpf/map_sk_storage.rst index 047e16c8aaa8..4e9d23ab9ecd 100644 --- a/Documentation/bpf/map_sk_storage.rst +++ b/Documentation/bpf/map_sk_storage.rst @@ -34,13 +34,12 @@ bpf_sk_storage_get() void *bpf_sk_storage_get(struct bpf_map *map, void...
ff1cc97b1f4c10db224f276d9615b22835b8c424
Analyze and fix the following issue in the Linux kernel code: block/blk-iocost (gcc13): keep large values in a new enum
Problem Details: Since gcc13, each member of an enum has the same type as the enum [1]. And that is inherited from its members. Provided: VTIME_PER_SEC_SHIFT = 37, VTIME_PER_SEC = 1LLU << VTIME_PER_SEC_SHIFT, ... AUTOP_CYCLE_NSEC = 10LLU * NSEC_PER_SEC, the named type is unsigned long. Thi...
```diff diff --git a/block/blk-iocost.c b/block/blk-iocost.c index d1bdc12deaa7..549ddc9e0c6f 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -232,7 +232,9 @@ enum { /* 1/64k is granular enough and can easily be handled w/ u32 */ WEIGHT_ONE = 1 << 16, +}; +enum { /* * As vtime is used to calcu...
64dc8c732f5c2b406cc752e6aaa1bd5471159cab
Analyze and fix the following issue in the Linux kernel code: block, bfq: fix possible uaf for 'bfqq->bic'
Problem Details: Our test report a uaf for 'bfqq->bic' in 5.10: ================================================================== BUG: KASAN: use-after-free in bfq_select_queue+0x378/0xa30 CPU: 6 PID: 2318352 Comm: fsstress Kdump: loaded Not tainted 5.10.0-60.18.0.50.h602.kasan.eulerosv2r11.x86_64 #1 Hardware name: ...
```diff diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index a72304c728fc..b111a7b8dca6 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -386,6 +386,12 @@ static void bfq_put_stable_ref(struct bfq_queue *bfqq); void bic_set_bfqq(struct bfq_io_cq *bic, struct bfq_queue *bfqq, bool is_sync) { + s...
eb9d58947d40699d93e5e69e1ddc54e41da7e132
Analyze and fix the following issue in the Linux kernel code: tracing: Fix cpumask() example typo
Problem Details: The sample code for using cpumask used the wrong field for the __get_cpumask() helper. It used "cpus" which is the bitmask (but would still give a proper example) instead of the "cpum" that was there to be used. Although it produces the same output, fix it, because it's an example and is confusing in ...
```diff diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h index fb4548a44153..1c6b843b8c4e 100644 --- a/samples/trace_events/trace-events-sample.h +++ b/samples/trace_events/trace-events-sample.h @@ -359,7 +359,7 @@ TRACE_EVENT(foo_bar, __print_array(__get_dynamic...
5eb9a4314053bda7642643f70f49a2b415920812
Analyze and fix the following issue in the Linux kernel code: drm/bridge: it6505: Guard bridge power in IRQ handler
Problem Details: Add a pair of pm_runtime_get_if_in_use and pm_runtime_put_sync in the interrupt handler to make sure the bridge won't be powered off during the interrupt handlings. Also remove the irq_lock mutex because it's not guarding anything now. Fixes: ab28896f1a83 ("drm/bridge: it6505: Improve synchronization ...
```diff diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index fea2b4279c31..5702569600e6 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -412,7 +412,6 @@ struct it6505 { * Mutex protects extcon and interrupt functions from interferi...
38792972de4294163f44d6360fd221e6f2c22a05
Analyze and fix the following issue in the Linux kernel code: ftrace: Allow WITH_ARGS flavour of graph tracer with shadow call stack
Problem Details: The recent switch on arm64 from DYNAMIC_FTRACE_WITH_REGS to DYNAMIC_FTRACE_WITH_ARGS failed to take into account that we currently require the former in order to allow the function graph tracer to be enabled in combination with shadow call stacks. This means that this is no longer permitted at all, in ...
```diff diff --git a/arch/Kconfig b/arch/Kconfig index 072a1b39e3af..c93c004fcf7a 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -635,7 +635,7 @@ config ARCH_SUPPORTS_SHADOW_CALL_STACK config SHADOW_CALL_STACK bool "Shadow Call Stack" depends on ARCH_SUPPORTS_SHADOW_CALL_STACK - depends on DYNAMIC_FTRACE_WITH_REG...
75333d48f92256a0dec91dbf07835e804fc411c0
Analyze and fix the following issue in the Linux kernel code: NFSD: fix use-after-free in __nfs42_ssc_open()
Problem Details: Problem caused by source's vfsmount being unmounted but remains on the delayed unmount list. This happens when nfs42_ssc_open() return errors. Fixed by removing nfsd4_interssc_connect(), leave the vfsmount for the laundromat to unmount when idle time expires. We don't need to call nfs_do_sb_deactive ...
```diff diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 73ed32ad23a2..bd880d55f565 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1461,13 +1461,6 @@ out_err: return status; } -static void -nfsd4_interssc_disconnect(struct vfsmount *ss_mnt) -{ - nfs_do_sb_deactive(ss_mnt->mnt_sb); - mntput(...
56b0989e2939811c11ed9c449ff84cf85878ffe3
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix GDS/GWS/OA switch handling
Problem Details: Bas pointed out that this isn't working as expected and could cause crashes. Fix the handling by storing the marker that a switch is needed inside the job instead. Reported-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deuch...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c index 2a9a2593dc18..01878145a586 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c @@ -165,6 +165,26 @@ bool amdgpu_vmid_had_gpu_reset(struct amdgpu_device *adev, at...
9c3db58bf8f7d0007049f686ce8c419eed4325d1
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fixx NULL pointer deref in gmc_v9_0_get_vm_pte
Problem Details: We not only need to make sure that we have a BO, but also that the BO has some backing store. Fixes: d1a372af1c3d ("drm/amdgpu: Set MTYPE in PTE based on BO flags") Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Alex Deucher ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 50386eb2eec8..08d6cf79fb15 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1185,6 +1185,8 @@ static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev, struct...
46a891e45be97c6781ac34f5ec777d69370e252b
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/qcom/lmh: Fix irq handler return value
Problem Details: After enough invocations the LMh irq is eventually reported as bad, because the handler doesn't return IRQ_HANDLED, fix this. Fixes: 53bca371cdf7 ("thermal/drivers/qcom: Add support for LMh driver") Reported-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson...
```diff diff --git a/drivers/thermal/qcom/lmh.c b/drivers/thermal/qcom/lmh.c index d3d9b9fa49e8..4122a51e9874 100644 --- a/drivers/thermal/qcom/lmh.c +++ b/drivers/thermal/qcom/lmh.c @@ -45,7 +45,7 @@ static irqreturn_t lmh_handle_irq(int hw_irq, void *data) if (irq) generic_handle_irq(irq); - return 0; + return...
366444ebe7e2e1c987c6a07551f06db4b5b7c0ad
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/k3_j72xx_bandgap: Map fuse_base only for erratum workaround
Problem Details: Some of TI's J721E SoCs require a software trimming procedure for the temperature monitors to function properly. To determine if a particular J721E is not affected by this erratum, both bits in the WKUP_SPARE_FUSE0 region must be set. Other SoCs, not affected by this erratum, will not need this region....
```diff diff --git a/drivers/thermal/k3_j72xx_bandgap.c b/drivers/thermal/k3_j72xx_bandgap.c index 395a73cb3742..031ea1091909 100644 --- a/drivers/thermal/k3_j72xx_bandgap.c +++ b/drivers/thermal/k3_j72xx_bandgap.c @@ -386,15 +386,32 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) if (IS_ERR(bgp->c...
2baad2496383c6036bdb0945ef8aa6b1a5d18c19
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/qcom: Demote error log of thermal zone register to debug
Problem Details: devm_thermal_of_zone_register() can fail with -ENODEV if thermal zone for the channel is not represented in DT. This is perfectly fine since not all sensors needs to be used for thermal zones but only a few in real world. So demote the error log to debug to avoid spamming users. Signed-off-by: Maniva...
```diff diff --git a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c index 88462a4628fb..ff47fc9ac9c5 100644 --- a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c +++ b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c @@ -678,7 +678,7 @@ static int adc_tm5_register_tzd(struct adc_tm5_chip *adc_tm) ...
8763f8acbf8aef22a2321d4c978cd078aa3b8f64
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/qcom/temp-alarm: Fix inaccurate warning for gen2
Problem Details: On gen2 chips the stage2 threshold is not 140 degC but 125 degC. Make the warning message clearer by using this variable and also by including the temperature that was checked for. Fixes: aa92b3310c55 ("thermal/drivers/qcom-spmi-temp-alarm: Add support for GEN2 rev 1 PMIC peripherals") Signed-off-by:...
```diff diff --git a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c index be785ab37e53..ad84978109e6 100644 --- a/drivers/thermal/qcom/qcom-spmi-temp-alarm.c +++ b/drivers/thermal/qcom/qcom-spmi-temp-alarm.c @@ -252,7 +252,8 @@ static int qpnp_tm_update_critical_trip_temp(stru...
c7e077e921fa94e0c06c8d14af6c0504c8a5f4bd
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/qcom/tsens: Fix wrong version id dbg_version_show
Problem Details: For VER_0 the version was incorrectly reported as 0.1.0. Fix that and correctly report the major version for this old tsens revision. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Link: https://lore.kernel.org/r/20221022125657.22530-3-ansuelsmth@gmail.com Signed-off-by: Daniel Lezcano <dani...
```diff diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index 3ac780404c72..5f8d8f04351e 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -713,7 +713,7 @@ static int dbg_version_show(struct seq_file *s, void *data) return ret; seq_printf(s, "%d.%d.%d\n", ma...
7ef2f023c2c77a452ba5d0c9b1ad04a5a895d553
Analyze and fix the following issue in the Linux kernel code: thermal/of: Fix memory leak on thermal_of_zone_register() failure
Problem Details: The function does not free 'of_ops' upon failure, leading to a memory leak [1]. Fix by freeing 'of_ops' in the error path. [1] unreferenced object 0xffff8ee846198c80 (size 128): comm "swapper/0", pid 1, jiffies 4294699704 (age 70.076s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 ...
```diff diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index d4b6335ace15..aacba30bc10c 100644 --- a/drivers/thermal/thermal_of.c +++ b/drivers/thermal/thermal_of.c @@ -604,13 +604,15 @@ struct thermal_zone_device *thermal_of_zone_register(struct device_node *sensor, if (IS_ERR(np)) { if ...
a7c42af78b19a11e98a5555a664c343e3a672632
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/k3_j72xx_bandgap: Fix the debug print message
Problem Details: The debug print message to check the workaround applicability is inverted. Fix the same. Fixes: ffcb2fc86eb7 ("thermal: k3_j72xx_bandgap: Add the bandgap driver support") Reported-by: Bryan Brattlof <bb@ti.com> Signed-off-by: Keerthy <j-keerthy@ti.com> Link: https://lore.kernel.org/r/20221010034126.35...
```diff diff --git a/drivers/thermal/k3_j72xx_bandgap.c b/drivers/thermal/k3_j72xx_bandgap.c index 16b6bcf1bf4f..c073b1023bbe 100644 --- a/drivers/thermal/k3_j72xx_bandgap.c +++ b/drivers/thermal/k3_j72xx_bandgap.c @@ -439,7 +439,7 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) workaround_needed ...
d37edc7370273306d8747097fafa62436c1cfe16
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/imx8mm_thermal: Validate temperature range
Problem Details: Check against the upper temperature limit (125 degrees C) before consider the temperature valid. Fixes: 5eed800a6811 ("thermal: imx8mm: Add support for i.MX8MM thermal monitoring unit") Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com> Reviewed-by: Jacky Bai <ping.bai@nxp.com> Link: https:/...
```diff diff --git a/drivers/thermal/imx8mm_thermal.c b/drivers/thermal/imx8mm_thermal.c index 68608d8e5e29..182cc207afe9 100644 --- a/drivers/thermal/imx8mm_thermal.c +++ b/drivers/thermal/imx8mm_thermal.c @@ -65,8 +65,14 @@ static int imx8mm_tmu_get_temp(void *data, int *temp) u32 val; val = readl_relaxed(tmu->...
3b553e0041a65e499fa4e25ee146f01f4ec4e617
Analyze and fix the following issue in the Linux kernel code: spi: fsl_spi: Don't change speed while chipselect is active
Problem Details: Commit c9bfcb315104 ("spi_mpc83xx: much improved driver") made modifications to the driver to not perform speed changes while chipselect is active. But those changes where lost with the convertion to tranfer_one. Previous implementation was allowing speed changes during message transfer when cs_change...
```diff diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index 731624f157fc..93152144fd2e 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -333,13 +333,26 @@ static int fsl_spi_prepare_message(struct spi_controller *ctlr, { struct mpc8xxx_spi *mpc8xxx_spi = spi_controller_g...
caec54705adb73b0015bce4dc781e0d19a91ff18
Analyze and fix the following issue in the Linux kernel code: perf build: Fix python/perf.so library's name
Problem Details: Since Python 3.3 extensions have a suffix encoding platform and version information. For example, the perf extension was previously perf.so but now maybe perf.cpython-310-x86_64-linux-gnu.so. Compute the extension using Python and then use this in the target name. Doing this avoids the "perf.so" target...
```diff diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 52a4dc029111..83ed969b95b4 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -871,6 +871,7 @@ define disable-python_code NO_LIBPYTHON := 1 endef +PYTHON_EXTENSION_SUFFIX := '.so' ifdef NO_LIBPYTHON $(c...
167b266bf66c5b93171011ef9d1f09b070c2c537
Analyze and fix the following issue in the Linux kernel code: perf off_cpu: Fix a typo in BTF tracepoint name, it should be 'btf_trace_sched_switch'
Problem Details: In BTF, tracepoint definitions have the "btf_trace_" prefix. The off-cpu profiler needs to check the signature of the sched_switch event using that definition. But there's a typo (s/bpf/btf/) so it failed always. Fixes: b36888f71c8542cd ("perf record: Handle argument change in sched_switch") Signed-...
```diff diff --git a/tools/perf/util/bpf_off_cpu.c b/tools/perf/util/bpf_off_cpu.c index c257813e674e..01f70b8e705a 100644 --- a/tools/perf/util/bpf_off_cpu.c +++ b/tools/perf/util/bpf_off_cpu.c @@ -102,7 +102,7 @@ static void check_sched_switch_args(void) const struct btf_type *t1, *t2, *t3; u32 type_id; - type_...
232b82d201cbade4f15e243bc0472ac241239d8c
Analyze and fix the following issue in the Linux kernel code: perf test: Update event group check for support of uncore event
Problem Details: The event group test checks group creation for combinations of hw, sw and uncore PMU events. Some of the uncore pmus may require additional permission to access the counters. For example, in case of hv_24x7, partition need to have permissions to access hv_24x7 pmu counters. If not, event_open will fai...
```diff diff --git a/tools/perf/tests/event_groups.c b/tools/perf/tests/event_groups.c index 612c0444aaa8..029442b4e9c6 100644 --- a/tools/perf/tests/event_groups.c +++ b/tools/perf/tests/event_groups.c @@ -51,7 +51,7 @@ static int event_open(int type, unsigned long config, int group_fd) static int setup_uncore_event(...
40769665b63d8c84b5b1c63fee404d4c20cff751
Analyze and fix the following issue in the Linux kernel code: perf jevents: Parse metrics during conversion
Problem Details: Currently the 'MetricExpr' json value is passed from the json file to the pmu-events.c. This change introduces an expression tree that is parsed into. The parsing is done largely by using operator overloading and python's 'eval' function. Two advantages in doing this are: 1) Broken metrics fail at com...
```diff diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build index 04ef95174660..15b9e8fdbffa 100644 --- a/tools/perf/pmu-events/Build +++ b/tools/perf/pmu-events/Build @@ -21,7 +21,7 @@ $(OUTPUT)pmu-events/pmu-events.c: pmu-events/empty-pmu-events.c $(call rule_mkdir) $(Q)$(call echo-cmd,gen)cp $...
b897613510890d6e92b6a276a20f6c3d96fe90e8
Analyze and fix the following issue in the Linux kernel code: perf stat: Update event skip condition for system-wide per-thread mode and merged uncore and hybrid events
Problem Details: In print_counter_aggrdata(), it skips some events that has no aggregate count. It's actually for system-wide per-thread mode and merged uncore and hybrid events. Let's update the condition to check them explicitly. Fixes: 91f85f98da7ab8c3 ("perf stat: Display event stats using aggr counts") Reported...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index ead4915c4a03..8bd8b0142630 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -804,7 +804,8 @@ static void print_counter_aggrdata(struct perf_stat_config *config, os->nr = aggr->nr; os->evsel ...
616aa32d6f221faa0235d2586ec1706dca70a439
Analyze and fix the following issue in the Linux kernel code: perf build: Fixes for LIBTRACEEVENT_DYNAMIC
Problem Details: If LIBTRACEEVENT_DYNAMIC is enabled then avoid the install step for the plugins. If disabled correct DESTDIR so that the plugins are installed under <lib>/traceevent/plugins. Fixes: ef019df01e207971 ("perf build: Install libtraceevent locally when building") Reported-by: Alexander Gordeev <agordeev@li...
```diff diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index a17a6ea85e81..6689f644782f 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -884,7 +884,7 @@ $(LIBTRACEEVENT_DYNAMIC_LIST): libtraceevent_plugins install-traceevent-plugins: libtraceevent_plugins $(Q)$(MAKE) -C $(...
3f81f72d30b46efb614d93f430684c0deb8439b7
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix invalid output handle
Problem Details: In this context, 'os' is already a pointer so the extra dereference isn't required. This fixes the following test failure on aarch64: $ ./perf test "json output" -vvv 92: perf stat JSON output linter : --- start --- Checking json output: no args Test failed f...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 7f885b04c23f..ead4915c4a03 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -731,7 +731,7 @@ static void printout(struct perf_stat_config *config, struct outstate *os, perf_stat__print_shadow...
117195d9f8af74c65bf57d9b56f496b5b3655bcb
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix multi-line metric output in JSON
Problem Details: When a metric produces more than one values, it missed to print the opening bracket. Fixes: ab6baaae27357290 ("perf stat: Fix JSON output in metric-only mode") Reported-by: Weilin Wang <weilin.wang@intel.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Tested-by: Weilin Wang <weilin.wang@intel.c...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 660e4f6616f5..7f885b04c23f 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -441,7 +441,7 @@ static void new_line_json(struct perf_stat_config *config, void *ctx) { struct outstate *os = ctx;...
8f4b1e3cebce5d12048409393de751e4d663ce42
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix printing field separator in CSV metrics output
Problem Details: In 'perf stat' with CSV output option, number of fields in metrics output is not matching with number of fields in other event output lines. Sample output below after applying patch to fix printing os->prefix. # ./perf stat -x, --per-socket -a -C 1 ls S0,1,82.11,msec,cpu-clock,82111626,100.00,1.000...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 9b7772e6abf6..660e4f6616f5 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -687,20 +687,9 @@ static void printout(struct perf_stat_config *config, struct outstate *os, struct evsel *counter =...
3c97d25ceb75fd3e660ba9fcd4c630d0b057a5a2
Analyze and fix the following issue in the Linux kernel code: perf stat: Check existence of os->prefix, fixing a segfault
Problem Details: We need to check if we have a OS prefix, otherwise we stumble on a metric segv that I'm now seeing in Arnaldo's tree: $ gdb --args perf stat -M Backend true ... Performance counter stats for 'true': 4,712,355 TOPDOWN.SLOTS # 17.3 % tma_core_bound Program...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index f1ee4b052198..9b7772e6abf6 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -353,7 +353,8 @@ static void do_new_line_std(struct perf_stat_config *config, struct outstate *os) { fputc(...
904f309ae7edaadc9fd0ee04be8281d7781d97e4
Analyze and fix the following issue in the Linux kernel code: thermal: intel: Don't set HFI status bit to 1
Problem Details: When CPU doesn't support HFI (Hardware Feedback Interface), don't include BIT 26 in the mask to prevent clearing. otherwise this results in: unchecked MSR access error: WRMSR to 0x1b1 (tried to write 0x0000000004000aa8) at rIP: 0xffffffff8b8559fe (throttle_active_work+0xbe/0x1b0) Fixes...
```diff diff --git a/drivers/thermal/intel/therm_throt.c b/drivers/thermal/intel/therm_throt.c index 4bb7fddaa143..2e22bb82b738 100644 --- a/drivers/thermal/intel/therm_throt.c +++ b/drivers/thermal/intel/therm_throt.c @@ -194,7 +194,7 @@ static const struct attribute_group thermal_attr_group = { #define THERM_STATUS_...
0debed5b117d11e33cba52870c4dcb64f5911891
Analyze and fix the following issue in the Linux kernel code: regulator: core: Fix resolve supply lookup issue
Problem Details: From Marek's log, the previous change modify the parent of rdev. https://lore.kernel.org/all/58b92e75-f373-dae7-7031-8abd465bb874@samsung.com/ In 'regulator_resolve_supply', it uses the parent DT node of rdev as the DT-lookup starting node. But the parent DT node may not exist. This will cause the NUL...
```diff diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c84e8d78dc7e..35a7785c53f6 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -5539,7 +5539,7 @@ regulator_register(struct device *dev, /* register with sysfs */ rdev->dev.class = &regulator_class; - rdev->dev.pare...
117dbeda22ec5ea0918254d03b540ef8b8a64d53
Analyze and fix the following issue in the Linux kernel code: wifi: rtlwifi: Fix global-out-of-bounds bug in _rtl8812ae_phy_set_txpower_limit()
Problem Details: There is a global-out-of-bounds reported by KASAN: BUG: KASAN: global-out-of-bounds in _rtl8812ae_eq_n_byte.part.0+0x3d/0x84 [rtl8821ae] Read of size 1 at addr ffffffffa0773c43 by task NetworkManager/411 CPU: 6 PID: 411 Comm: NetworkManager Tainted: G D 6.1.0-rc8+ #144 e15588508517267d...
```diff diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c index a29321e2fa72..5323ead30db0 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c @@ -1598,18 +1598,6 @@ static boo...
21b5f159a2ee47d30f418559f6ece0088c80199f
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: 8852c: rfk: correct DPK settings
Problem Details: Some DPK settings are wrong, and causes bad TX performance occasionally. So, fix them by internal suggestions. Fixes: da4cea16cb13 ("rtw89: 8852c: rfk: add DPK") Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20221209020940...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index 5324e645728b..ca6f6c3e6309 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -3671,6 +3671,8 @@ #define RR_TXRSV_GAPK BIT(19) #define RR_BIAS 0x5e #defi...
b2bab7b14098dcf5d405fa8c76b2c3f6ce9184f9
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: 8852c: rfk: correct DACK setting
Problem Details: After filling calibration parameters, set BIT(0) to enable the hardware circuit, but original set incorrect bit that affects a little TX performance. Fixes: 76599a8d0b7d ("rtw89: 8852c: rfk: add DACK") Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: ...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c index 60cd676fe22c..f5b0b57f3320 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c_rfk.c @@ -337,7 +337,7 @@ static void _dack_reload_...
4c2005ac87685907b3719b4f40215b578efd27c4
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: don't call dev_kfree_skb() under spin_lock_irqsave()
Problem Details: It is not allowed to call kfree_skb() or consume_skb() from hardware interrupt context or with hardware interrupts being disabled. It should use dev_kfree_skb_irq() or dev_consume_skb_irq() instead. The difference between them is free reason, dev_kfree_skb_irq() means the SKB is dropped in error and d...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index 799b03ec1980..c8b82c581011 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -5276,7 +5276,7 @@ static ...
639c26faf9b15922bc620af341545d6c5d6aab2d
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: Fix assignment to bit field priv->cck_agc_report_type
Problem Details: Just because priv->cck_agc_report_type is only one bit doesn't mean it works like a bool. The value assigned to it loses all bits except bit 0, so only assign 0 or 1 to it. This affects the RTL8192EU, but rtl8xxxu already can't connect to any networks with this chip, so it probably didn't bother anyon...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index 3ed435401e57..799b03ec1980 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -4208,10 +4208,12 @@ stati...
9e32b4a709f0f7b7adf5d9939c3bd47c78c4f003
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: Fix assignment to bit field priv->pi_enabled
Problem Details: Just because priv->pi_enabled is only one bit doesn't mean it works like a bool. The value assigned to it loses all bits except bit 0, so only assign 0 or 1 to it. This affects the RTL8188FU, but fixing the assignment didn't make a difference for my device. Fixes: c888183b21f3 ("wifi: rtl8xxxu: Suppo...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c index 2c4f403ba68f..97e7ff7289fa 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c @@ -1122,7 +1122,7 @@ sta...
16a03958618fb91bb1bc7077cf3211055162cc2f
Analyze and fix the following issue in the Linux kernel code: wifi: libertas: fix memory leak in lbs_init_adapter()
Problem Details: When kfifo_alloc() failed in lbs_init_adapter(), cmd buffer is not released. Add free memory to processing error path. Fixes: 7919b89c8276 ("libertas: convert libertas driver to use an event/cmdresp queue") Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com> Reviewed-by: Jiri Pirko <jiri@nvidia.c...
```diff diff --git a/drivers/net/wireless/marvell/libertas/main.c b/drivers/net/wireless/marvell/libertas/main.c index 8f5220cee112..ae975304cfcf 100644 --- a/drivers/net/wireless/marvell/libertas/main.c +++ b/drivers/net/wireless/marvell/libertas/main.c @@ -869,6 +869,7 @@ static int lbs_init_adapter(struct lbs_privat...
0c1528675d7a9787cb516b64d8f6c0f6f8efcb48
Analyze and fix the following issue in the Linux kernel code: wifi: iwlegacy: common: don't call dev_kfree_skb() under spin_lock_irqsave()
Problem Details: It is not allowed to call consume_skb() from hardware interrupt context or with interrupts being disabled. So replace dev_kfree_skb() with dev_consume_skb_irq() under spin_lock_irqsave(). Compile tested only. Fixes: 4bc85c1324aa ("Revert "iwlwifi: split the drivers for agn and legacy devices 3945/4965...
```diff diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c index 341c17fe2af4..96002121bb8b 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.c +++ b/drivers/net/wireless/intel/iwlegacy/common.c @@ -5174,7 +5174,7 @@ il_mac_reset_tsf(struct ieee80211_hw *hw, s...
313950c2114e7051c4e3020fd82495fa1fb526a8
Analyze and fix the following issue in the Linux kernel code: wifi: rtlwifi: rtl8723be: don't call kfree_skb() under spin_lock_irqsave()
Problem Details: It is not allowed to call kfree_skb() from hardware interrupt context or with interrupts being disabled. All the SKBs have been dequeued from the old queue, so it's safe to enqueue these SKBs to a free queue, then free them after spin_unlock_irqrestore() at once. Compile tested only. Fixes: 5c99f04fec...
```diff diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c index 189cc6437600..0ba3bbed6ed3 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c @@ -30,8 +30,10 @@ static void _rtl87...
2611687fa7ffc84190f92292de0b80468de17220
Analyze and fix the following issue in the Linux kernel code: wifi: rtlwifi: rtl8188ee: don't call kfree_skb() under spin_lock_irqsave()
Problem Details: It is not allowed to call kfree_skb() from hardware interrupt context or with interrupts being disabled. All the SKBs have been dequeued from the old queue, so it's safe to enqueue these SKBs to a free queue, then free them after spin_unlock_irqrestore() at once. Compile tested only. Fixes: 7fe3b3abb5...
```diff diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/hw.c index 58c2ab3d44be..de61c9c0ddec 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/hw.c @@ -68,8 +68,10 @@ static void _rtl88...
106031c1f4a850915190d7ec1026696282f9359b
Analyze and fix the following issue in the Linux kernel code: wifi: rtlwifi: rtl8821ae: don't call kfree_skb() under spin_lock_irqsave()
Problem Details: It is not allowed to call kfree_skb() from hardware interrupt context or with interrupts being disabled. All the SKBs have been dequeued from the old queue, so it's safe to enqueue these SKBs to a free queue, then free them after spin_unlock_irqrestore() at once. Compile tested only. Fixes: 5c99f04fec...
```diff diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c index 7e0f62d59fe1..a7e3250957dc 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/hw.c @@ -26,8 +26,10 @@ static void _rtl88...
956fb851a6e19da5ab491e19c1bc323bb2c2cf6f
Analyze and fix the following issue in the Linux kernel code: wifi: rsi: Fix memory leak in rsi_coex_attach()
Problem Details: The coex_cb needs to be freed when rsi_create_kthread() failed in rsi_coex_attach(). Fixes: 2108df3c4b18 ("rsi: add coex support") Signed-off-by: Yuan Can <yuancan@huawei.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.o...
```diff diff --git a/drivers/net/wireless/rsi/rsi_91x_coex.c b/drivers/net/wireless/rsi/rsi_91x_coex.c index 8a3d86897ea8..45ac9371f262 100644 --- a/drivers/net/wireless/rsi/rsi_91x_coex.c +++ b/drivers/net/wireless/rsi/rsi_91x_coex.c @@ -160,6 +160,7 @@ int rsi_coex_attach(struct rsi_common *common) rsi_coe...
95df9cc24bee8a09d39c62bcef4319b984814e18
Analyze and fix the following issue in the Linux kernel code: drm/i915/ttm: consider CCS for backup objects
Problem Details: It seems we can have one or more framebuffers that are still pinned when suspending lmem, in such a case we end up creating a shmem backup object, instead of evicting the object directly, but this will skip copying the CCS aux state, since we don't allocate the extra storage for the CCS pages as part o...
```diff diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 733696057761..1a0886b8aaa1 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -785,6 +785,9 @@ bool i915_gem_object_needs_ccs_pages(struct drm_i915_...
b29d26fbcb862526d5047caec82878be2eb75c0f
Analyze and fix the following issue in the Linux kernel code: drm/i915/migrate: fix corner case in CCS aux copying
Problem Details: In the case of lmem -> lmem transfers, which is currently only possible with small-bar systems, we need to ensure we copy the CCS aux state as-is, rather than nuke it. This should fix some nasty display corruption sometimes seen on DG2 small-bar systems, when also using DG2_RC_CCS_CC for the surface. ...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index e08a739b7091..3f638f198796 100644 --- a/drivers/gpu/drm/i915/gt/intel_migrate.c +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c @@ -839,14 +839,35 @@ intel_context_migrate_copy(struct intel_context *ce, if (er...
11e47bbd700f31bd1ee9f8863381bc9e741c0e97
Analyze and fix the following issue in the Linux kernel code: gpio: sim: set a limit on the number of GPIOs
Problem Details: With the removal of ARCH_NR_GPIOS in commit 7b61212f2a07 ("gpiolib: Get rid of ARCH_NR_GPIOS") the gpiolib core no longer sanitizes the number of GPIOs for us. This causes the gpio-sim selftests to now fail when setting the number of GPIOs to 99999 and expecting the probe() to fail. Set a sane limit o...
```diff diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c index 1020c2feb249..60514bc5454f 100644 --- a/drivers/gpio/gpio-sim.c +++ b/drivers/gpio/gpio-sim.c @@ -31,6 +31,7 @@ #include "gpiolib.h" +#define GPIO_SIM_NGPIO_MAX 1024 #define GPIO_SIM_PROP_MAX 4 /* Max 3 properties + sentinel. */ #define...
19331e84c3873256537d446afec1f6c507f8c4ef
Analyze and fix the following issue in the Linux kernel code: modpost: Include '.text.*' in TEXT_SECTIONS
Problem Details: Commit 6c730bfc894f ("modpost: handle -ffunction-sections") added ".text.*" to the OTHER_TEXT_SECTIONS macro to fix certain section mismatch warnings. Unfortunately, this makes it impossible for modpost to warn about section mismatches with LTO, which implies '-ffunction-sections', as all functions are...
```diff diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index b48838a71bf6..640e1a244ba9 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -822,10 +822,10 @@ static void check_section(const char *modname, struct elf_info *elf, #define ALL_EXIT_SECTIONS EXIT_SECTIONS, ALL_XXXEXIT_SECTIONS ...
f65a486821cfd363833079b2a7b0769250ee21c9
Analyze and fix the following issue in the Linux kernel code: kbuild: change module.order to list *.o instead of *.ko
Problem Details: scripts/Makefile.build replaces the suffix .o with .ko, then scripts/Makefile.modpost calls the sed command to change .ko back to the original .o suffix. Instead of converting the suffixes back-and-forth, store the .o paths in modules.order, and replace it with .ko in 'make modules_install'. This avo...
```diff diff --git a/Makefile b/Makefile index 591485152a95..f506879e7452 100644 --- a/Makefile +++ b/Makefile @@ -1564,7 +1564,7 @@ __modinst_pre: rm -f $(MODLIB)/build ; \ ln -s $(CURDIR) $(MODLIB)/build ; \ fi - @sed 's:^:kernel/:' modules.order > $(MODLIB)/modules.order + @sed 's:^\(.*\)\.o$$:kernel/\1.ko:'...
d74f4a3f6d88a2416564bc6bf937e423a4ae8f8e
Analyze and fix the following issue in the Linux kernel code: cifs: Remove duplicated include in cifsglob.h
Problem Details: ./fs/cifs/cifsglob.h: linux/scatterlist.h is included more than once. Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3459 Fixes: f7f291e14dde ("cifs: fix oops during encryption") Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by:...
```diff diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 703685e2db5e..82f2d3070c26 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -23,7 +23,6 @@ #include "cifs_fs_sb.h" #include "cifsacl.h" #include <crypto/internal/hash.h> -#include <linux/scatterlist.h> #include <uapi/linux/cifs/cifs_mount...
2d4ee16d969c97996e80e4c9cb6de0acaff22c9f
Analyze and fix the following issue in the Linux kernel code: wireguard: timers: cast enum limits members to int in prints
Problem Details: Since gcc13, each member of an enum has the same type as the enum. And that is inherited from its members. Provided "REKEY_AFTER_MESSAGES = 1ULL << 60", the named type is unsigned long. This generates warnings with gcc-13: error: format '%d' expects argument of type 'int', but argument 6 has type 'l...
```diff diff --git a/drivers/net/wireguard/timers.c b/drivers/net/wireguard/timers.c index b5706b6718b1..53d8a57a0dfa 100644 --- a/drivers/net/wireguard/timers.c +++ b/drivers/net/wireguard/timers.c @@ -46,7 +46,7 @@ static void wg_expired_retransmit_handshake(struct timer_list *timer) if (peer->timer_handshake_attem...
de5dc44370fbd6b46bd7f1a1e00369be54a041c8
Analyze and fix the following issue in the Linux kernel code: igb: Initialize mailbox message for VF reset
Problem Details: When a MAC address is not assigned to the VF, that portion of the message sent to the VF is not set. The memory, however, is allocated from the stack meaning that information may be leaked to the VM. Initialize the message buffer to 0 so that no information is passed to the VM in this case. Fixes: 6dd...
```diff diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 97290fc0fddd..3c0c35ecea10 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7525,7 +7525,7 @@ static void igb_vf_reset_msg(struct igb_adapter *adapte...
1232946cf522b8de9e398828bde325d7c41f29dd
Analyze and fix the following issue in the Linux kernel code: mISDN: hfcmulti: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
Problem Details: It is not allowed to call kfree_skb() or consume_skb() from hardware interrupt context or with hardware interrupts being disabled. skb_queue_purge() is called under spin_lock_irqsave() in handle_dmsg() and hfcm_l1callback(), kfree_skb() is called in them, to fix this, use skb_queue_splice_init() to mo...
```diff diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index 4f7eaa17fb27..e840609c50eb 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -3217,6 +3217,7 @@ static int hfcm_l1callback(struct dchannel *dch, u_int cmd) { s...
f0f596bd75a9d573ca9b587abb39cee0b916bb82
Analyze and fix the following issue in the Linux kernel code: mISDN: hfcpci: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
Problem Details: It is not allowed to call kfree_skb() or consume_skb() from hardware interrupt context or with hardware interrupts being disabled. skb_queue_purge() is called under spin_lock_irqsave() in hfcpci_l2l1D(), kfree_skb() is called in it, to fix this, use skb_queue_splice_init() to move the dch->squeue to a...
```diff diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c index e964a8dd8512..c0331b268010 100644 --- a/drivers/isdn/hardware/mISDN/hfcpci.c +++ b/drivers/isdn/hardware/mISDN/hfcpci.c @@ -1617,16 +1617,19 @@ hfcpci_l2l1D(struct mISDNchannel *ch, struct sk_buff *skb) test_and_cl...
ddc9648db162eee556edd5222d2808fe33730203
Analyze and fix the following issue in the Linux kernel code: mISDN: hfcsusb: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
Problem Details: It is not allowed to call kfree_skb() or consume_skb() from hardware interrupt context or with hardware interrupts being disabled. It should use dev_kfree_skb_irq() or dev_consume_skb_irq() instead. The difference between them is free reason, dev_kfree_skb_irq() means the SKB is dropped in error and d...
```diff diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c index 651f2f8f685b..1efd17979f24 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.c +++ b/drivers/isdn/hardware/mISDN/hfcsusb.c @@ -326,20 +326,24 @@ hfcusb_l2l1D(struct mISDNchannel *ch, struct sk_buff *skb) test_and_...
e95cc44763a41d5c715ef16742bcb1d8e6524a62
Analyze and fix the following issue in the Linux kernel code: bonding: do failover when high prio link up
Problem Details: Currently, when a high prio link enslaved, or when current link down, the high prio port could be selected. But when high prio link up, the new active slave reselection is not triggered. Fix it by checking link's prio when getting up. Making the do_failover after looping all slaves as there may be mult...
```diff diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 6a4bbd5aa3e0..b4c65783960a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2654,8 +2654,9 @@ static void bond_miimon_link_change(struct bonding *bond, static void bond_miimon_commit(str...
1a5665fc8d7a000671ebd3fe69c6f9acf1e0dcd9
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: WLUN suspend SSU/enter hibern8 fail recovery
Problem Details: When SSU/enter hibern8 fail in WLUN suspend flow, trigger the error handler and return busy to break the suspend. Otherwise the consumer will get stuck in runtime suspend status. Fixes: b294ff3e3449 ("scsi: ufs: core: Enable power management for wlun") Signed-off-by: Peter Wang <peter.wang@mediatek.c...
```diff diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 2dbe24977822..c63cd8bbe5c6 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -6056,6 +6056,14 @@ void ufshcd_schedule_eh_work(struct ufs_hba *hba) } } +static void ufshcd_force_error_recovery(struct ufs_hba *hb...
c411a42fb91f452509c312e4dda713699a22a995
Analyze and fix the following issue in the Linux kernel code: scsi: scsi_debug: Delete unreachable code in inquiry_vpd_b0()
Problem Details: The 2nd return statement in inquiry_vpd_b0() is unreachable, so delete it. Signed-off-by: John Garry <john.g.garry@oracle.com> Link: https://lore.kernel.org/r/20221213142122.1011886-1-john.g.garry@oracle.com Reviewed-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.peterse...
```diff diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index de3d3b1edaf5..6fa08857d6b9 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -1511,8 +1511,6 @@ static int inquiry_vpd_b0(unsigned char *arr) put_unaligned_be64(sdebug_write_same_length, &arr[32]); return 0x3c...
f0a43ba6c66cc0688e2748d986a1459fdd3442ef
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Refer CONFIG_SCSI_MPI3MR in Makefile
Problem Details: When Kconfig item CONFIG_SCSI_MPI3MR was introduced for mpi3mr driver, the Makefile of the driver was not modified to refer the Kconfig item. As a result, mpi3mr.ko is built regardless of the Kconfig item value y or m. Also, if 'make localmodconfig' can not find the Kconfig item in the Makefile, then ...
```diff diff --git a/drivers/scsi/mpi3mr/Makefile b/drivers/scsi/mpi3mr/Makefile index ef86ca46646b..3bf8cf34e1c3 100644 --- a/drivers/scsi/mpi3mr/Makefile +++ b/drivers/scsi/mpi3mr/Makefile @@ -1,5 +1,5 @@ # mpi3mr makefile -obj-m += mpi3mr.o +obj-$(CONFIG_SCSI_MPI3MR) += mpi3mr.o mpi3mr-y += mpi3mr_os.o \ m...
f3b4a00f0f62da252c598310698dfc82ef2f2e2e
Analyze and fix the following issue in the Linux kernel code: net: macsec: fix net device access prior to holding a lock
Problem Details: Currently macsec offload selection update routine accesses the net device prior to holding the relevant lock. Fix by holding the lock prior to the device access. Fixes: dcb780fb2795 ("net: macsec: add nla support for changing the offloading selection") Reviewed-by: Raed Salem <raeds@nvidia.com> Signed...
```diff diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 937f5b1f04ff..bf8ac7a3ded7 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -2593,7 +2593,7 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info) const struct macsec_ops *ops; struct macsec_context ctx; s...
67ff3d0a49f3d445c3922e30a54e03c161da561e
Analyze and fix the following issue in the Linux kernel code: scsi: storvsc: Fix swiotlb bounce buffer leak in confidential VM
Problem Details: storvsc_queuecommand() maps the scatter/gather list using scsi_dma_map(), which in a confidential VM allocates swiotlb bounce buffers. If the I/O submission fails in storvsc_do_io(), the I/O is typically retried by higher level code, but the bounce buffer memory is never freed. The mostly like cause o...
```diff diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index a84194d82347..0252ee2dd844 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1824,6 +1824,9 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) ret = storvsc_do_io(dev, cmd_req...
a3be19b91ea7121d388084e8c07f5b1b982eb40c
Analyze and fix the following issue in the Linux kernel code: scsi: iscsi: Fix multiple iSCSI session unbind events sent to userspace
Problem Details: It was observed that the kernel would potentially send ISCSI_KEVENT_UNBIND_SESSION multiple times. Introduce 'target_state' in iscsi_cls_session() to make sure session will send only one unbind session event. This introduces a regression wrt. the issue fixed in commit 13e60d3ba287 ("scsi: iscsi: Repor...
```diff diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index c3fe5ecfee59..3eb58db1399d 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1676,6 +1676,13 @@ static const char *iscsi_session_state_name(int state) return name; } +st...
dbcd7f5fafea64dbe588c4ec18bc309fde5d1e1c
Analyze and fix the following issue in the Linux kernel code: LoongArch: BPF: Add BPF exception tables
Problem Details: Inspired by commit 800834285361("bpf, arm64: Add BPF exception tables"), do similar to LoongArch to add BPF exception tables. When a tracing BPF program attempts to read memory without using the bpf_probe_read() helper, the verifier marks the load instruction with the BPF_PROBE_MEM flag. Since the Loo...
```diff diff --git a/arch/loongarch/include/asm/asm-extable.h b/arch/loongarch/include/asm/asm-extable.h index f5502cb50c6e..df05005f2b80 100644 --- a/arch/loongarch/include/asm/asm-extable.h +++ b/arch/loongarch/include/asm/asm-extable.h @@ -5,6 +5,7 @@ #define EX_TYPE_NONE 0 #define EX_TYPE_FIXUP 1 #define EX_...
fab89a09c86f948adfc7e20a7d608bd9f323bbe1
Analyze and fix the following issue in the Linux kernel code: tracing: Remove pointer (asterisk) and brackets from cpumask_t field
Problem Details: To differentiate between long arrays and cpumasks, the __cpumask() field was created. Part of the TRACE_EVENT() macros test if the type is signed or not by using the is_signed_type() macro. The __cpumask() field used the __dynamic_array() helper but because cpumask_t is a structure, it could not be use...
```diff diff --git a/include/trace/stages/stage4_event_fields.h b/include/trace/stages/stage4_event_fields.h index f2990d22313c..affd541fd25e 100644 --- a/include/trace/stages/stage4_event_fields.h +++ b/include/trace/stages/stage4_event_fields.h @@ -47,7 +47,10 @@ #define __bitmask(item, nr_bits) __dynamic_array(unsi...
31a2e6cbe8a4eb0d1650fff4b77872b744e14a62
Analyze and fix the following issue in the Linux kernel code: drm/i915/migrate: Account for the reserved_space
Problem Details: If the ring is nearly full when calling into emit_pte(), we might incorrectly trample the reserved_space when constructing the packet to emit the PTEs. This then triggers the GEM_BUG_ON(rq->reserved_space > ring->space) when later submitting the request, since the request itself doesn't have enough spa...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c index b405a04135ca..b783f6f740c8 100644 --- a/drivers/gpu/drm/i915/gt/intel_migrate.c +++ b/drivers/gpu/drm/i915/gt/intel_migrate.c @@ -342,6 +342,16 @@ static int emit_no_arbitration(struct i915_request *rq) return...
3153eebb7a76e663ac76d6670dc113296de96622
Analyze and fix the following issue in the Linux kernel code: drm/i915/display: Don't disable DDI/Transcoder when setting phy test pattern
Problem Details: Bspecs has updated recently to remove the restriction to disable DDI/Transcoder before setting PHY test pattern. This update is to address PHY compliance test failures observed on a port with LTTPR. The issue is that when Transc. is disabled, the main link signals fed to LTTPR will be dropped invalidat...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 67089711d9e2..75070eb07d4b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -3679,61 +3679,6 @@ static void intel_dp_phy_pattern_update(struct intel_dp *intel...
b2e9e6a9cb87ce4a82fb106ae16c94639835fd47
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix VLV/CHV HDMI/DP audio enable
Problem Details: Despite what I claimed in commit c3c5dc1d9224 ("drm/i915/audio: Do the vblank waits") the vblank interrupts are in fact not enabled yet when we do the audio enable sequence on VLV/CHV (all other platforms are fine). Reorder the enable sequence on VLV/CHV to match that of the other platforms so that th...
```diff diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c index 3593938dcd87..24ef36ec2d3d 100644 --- a/drivers/gpu/drm/i915/display/g4x_dp.c +++ b/drivers/gpu/drm/i915/display/g4x_dp.c @@ -673,8 +673,6 @@ static void intel_enable_dp(struct intel_atomic_state *state, intel_dp_...
7bd220f2ba9014b78f0304178103393554b8c4fe
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: mediatek: initialize panic_info to zero
Problem Details: Coverity spotted that panic_info is not initialized to zero in mtk_adsp_dump. Using uninitialized value panic_info.linenum when calling snd_sof_get_status. Fix this coverity by initializing panic_info struct as zero. Signed-off-by: YC Hung <yc.hung@mediatek.com> Reviewed-by: Curtis Malainey <cujomalai...
```diff diff --git a/sound/soc/sof/mediatek/mtk-adsp-common.c b/sound/soc/sof/mediatek/mtk-adsp-common.c index 1e0769c668a7..de8dbe27cd0d 100644 --- a/sound/soc/sof/mediatek/mtk-adsp-common.c +++ b/sound/soc/sof/mediatek/mtk-adsp-common.c @@ -60,7 +60,7 @@ void mtk_adsp_dump(struct snd_sof_dev *sdev, u32 flags) { ch...
6c900dcc3f7331a67ed29739d74524e428d137fb
Analyze and fix the following issue in the Linux kernel code: ASoC: rt5670: Remove unbalanced pm_runtime_put()
Problem Details: For some reason rt5670_i2c_probe() does a pm_runtime_put() at the end of a successful probe. But it has never done a pm_runtime_get() leading to the following error being logged into dmesg: rt5670 i2c-10EC5640:00: Runtime PM usage count underflow! Fix this by removing the unnecessary pm_runtime_put(...
```diff diff --git a/sound/soc/codecs/rt5670.c b/sound/soc/codecs/rt5670.c index ebac6caeb40a..a230f441559a 100644 --- a/sound/soc/codecs/rt5670.c +++ b/sound/soc/codecs/rt5670.c @@ -3311,8 +3311,6 @@ static int rt5670_i2c_probe(struct i2c_client *i2c) if (ret < 0) goto err; - pm_runtime_put(&i2c->dev); - retu...
37f0ab1477994a0d0dc3c1e0de030fae07d37965
Analyze and fix the following issue in the Linux kernel code: Documentation: RISC-V: Fix a typo in patch-acceptance
Problem Details: I just stumbled on this when modifying the docs. Reviewed-by: Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/r/20221207020815.16214-2-palmer@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
```diff diff --git a/Documentation/riscv/patch-acceptance.rst b/Documentation/riscv/patch-acceptance.rst index dfe0ac5624fb..5da6f9b273d6 100644 --- a/Documentation/riscv/patch-acceptance.rst +++ b/Documentation/riscv/patch-acceptance.rst @@ -29,7 +29,7 @@ their own custom extensions. These custom extensions aren't re...
c528ef0888b75f673f7d48022de8d31d5b451e8c
Analyze and fix the following issue in the Linux kernel code: riscv: Fixup compile error with !MMU
Problem Details: Current nommu_virt_defconfig can't compile: In file included from arch/riscv/kernel/crash_core.c:3: arch/riscv/kernel/crash_core.c: In function 'arch_crash_save_vmcoreinfo': arch/riscv/kernel/crash_core.c:8:27: error: 'VA_BITS' undeclared (first use in this function) 8 | VMCOREINFO_NUMBER(...
```diff diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 67ef08d33d3a..e1a9fa47f012 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -498,7 +498,7 @@ config KEXEC_FILE select KEXEC_CORE select KEXEC_ELF select HAVE_IMA_KEXEC if IMA - depends on 64BIT + depends on 64BIT && MMU help This ...
52f14682ac4d39d9bdae8ff6bae23abf7026ee66
Analyze and fix the following issue in the Linux kernel code: drm/i915: Bpp/timeslot calculation fixes for DP MST DSC
Problem Details: Fix intel_dp_dsc_compute_config, previously timeslots parameter was used in fact not as a timeslots, but more like a ratio timeslots/64, which of course didn't have any effect for SST DSC, but causes now issues for MST DSC. Secondly we need to calculate pipe_bpp using intel_dp_dsc_compute_bpp only for ...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index ecc14f978721..bf80f296a8fd 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -717,9 +717,14 @@ u16 intel_dp_dsc_get_output_bpp(struct drm_i915_private *i915, ...
d51f25eb479aeb61c194089f66261be67ff9237a
Analyze and fix the following issue in the Linux kernel code: drm/i915: Add DSC support to MST path
Problem Details: Whenever we are not able to get enough timeslots for required PBN, let's try to allocate those using DSC, just same way as we do for SST. v2: Removed intel_dp_mst_dsc_compute_config and refactored intel_dp_dsc_compute_config to support timeslots as a parameter(Ville Syrjälä) v3: - Rebased ...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 72cf83a27405..6a95c0f5aa4b 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -117,7 +117,6 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp) } static void...
7971aacf6e2d5ee508f63bc3707766f27c0f3e2b
Analyze and fix the following issue in the Linux kernel code: drm/i915: Extract drm_dp_atomic_find_vcpi_slots cycle to separate function
Problem Details: We would be using almost same code to loop through bpps while calling drm_dp_atomic_find_vcpi_slots - lets remove this duplication by introducing a new function intel_dp_mst_find_vcpi_slots_for_bpp v2: Fix pbn_div calculation - shouldn't matter if its DSC or not. v3: FIx rebase conflict, constant_n no...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 823dfceefd90..1cdcde56f966 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -45,10 +45,14 @@ #include "intel_hotplug.h" #include "skl_scaler...
9096e36d5ba6a7662b75eb02038dc4cd46ba47b4
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix intel_dp_mst_compute_link_config
Problem Details: We currently always exit that bpp loop because drm_dp_atomic_find_vcpi_slots doesn't care if we actually can fit those or not. I think that wasn't the initial intention here, especially when we keep trying with lower bpps, we are supposed to keep trying until we actually find some _working_ configurati...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 4077a979a924..823dfceefd90 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -60,6 +60,7 @@ static int intel_dp_mst_compute_link_config(struct ...
875ef1a57f32fcb91010dc9bc8bd1166956a579e
Analyze and fix the following issue in the Linux kernel code: kbuild: use .NOTINTERMEDIATE for future GNU Make versions
Problem Details: In Kbuild, some files are generated by chains of pattern/implicit rules. For example, *.dtb.o files in drivers/of/unittest-data/Makefile are generated by the chain of 3 pattern rules, like this: %.dts -> %.dtb -> %.dtb.S -> %.dtb.o Here, %.dts is the real source, %.dtb.o is the final target. ...
```diff diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index 21e76ba0de17..2f7356b2990b 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -185,9 +185,6 @@ endif make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1))))) # Find any prerequisites that are newer t...
40306b4d1ba25970dafd53432e8daa5d591ebd99
Analyze and fix the following issue in the Linux kernel code: exfat: fix overflow in sector and cluster conversion
Problem Details: According to the exFAT specification, there are at most 2^32-11 clusters in a volume. so using 'int' is not enough for cluster index, the return value type of exfat_sector_to_cluster() should be 'unsigned int'. Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com> Reviewed-by: Sungjong Seo <sj1557.seo@sam...
```diff diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index a1e7feb22079..bc6d21d7c5ad 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -400,7 +400,7 @@ static inline sector_t exfat_cluster_to_sector(struct exfat_sb_info *sbi, sbi->data_start_sector; } -static inline int exfat_sector_to_clus...
7c4a6309e27f411743817fe74a832ec2d2798a4b
Analyze and fix the following issue in the Linux kernel code: ipvs: fix type warning in do_div() on 32 bit
Problem Details: 32 bit platforms without 64bit div generate the following warning: net/netfilter/ipvs/ip_vs_est.c: In function 'ip_vs_est_calc_limits': include/asm-generic/div64.h:222:35: warning: comparison of distinct pointer types lacks a cast 222 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ ...
```diff diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c index df56073bb282..ce2a1549b304 100644 --- a/net/netfilter/ipvs/ip_vs_est.c +++ b/net/netfilter/ipvs/ip_vs_est.c @@ -640,9 +640,10 @@ static int ip_vs_est_calc_limits(struct netns_ipvs *ipvs, int *chain_max) int i, loops, ntest; s...
f728a5ea27c92133893590e731ce10f6561ced87
Analyze and fix the following issue in the Linux kernel code: dma-buf: fix dma_buf_export init order v2
Problem Details: The init order and resulting error handling in dma_buf_export was pretty messy. Subordinate objects like the file and the sysfs kernel objects were initializing and wiring itself up with the object in the wrong order resulting not only in complicating and partially incorrect error handling, but also i...
```diff diff --git a/drivers/dma-buf/dma-buf-sysfs-stats.c b/drivers/dma-buf/dma-buf-sysfs-stats.c index 2bba0babcb62..4b680e10c15a 100644 --- a/drivers/dma-buf/dma-buf-sysfs-stats.c +++ b/drivers/dma-buf/dma-buf-sysfs-stats.c @@ -168,14 +168,11 @@ void dma_buf_uninit_sysfs_statistics(void) kset_unregister(dma_buf_st...
71fc3621efc38ace9640ee6a0db3300900689592
Analyze and fix the following issue in the Linux kernel code: riscv: Fix P4D_SHIFT definition for 3-level page table mode
Problem Details: RISC-V kernels support 3,4,5-level page tables at runtime by folding upper levels. In case of a 3-level page table, PGDIR is folded into P4D which in turn is folded into PUD: PGDIR_SHIFT value is correctly set to the same value as PUD_SHIFT, but P4D_SHIFT is not, then any use of P4D_SHIFT will access ...
```diff diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/pgtable-64.h index dc42375c2357..42a042c0e13e 100644 --- a/arch/riscv/include/asm/pgtable-64.h +++ b/arch/riscv/include/asm/pgtable-64.h @@ -25,7 +25,11 @@ extern bool pgtable_l5_enabled; #define PGDIR_MASK (~(PGDIR_SIZE - 1)) /*...
1a4f69ef15ec29b213e2b086b2502644e8ef76ee
Analyze and fix the following issue in the Linux kernel code: 9p/client: fix data race on req->status
Problem Details: KCSAN reported a race between writing req->status in p9_client_cb and accessing it in p9_client_rpc's wait_event. Accesses to req itself is protected by the data barrier (writing req fields, write barrier, writing status // reading status, read barrier, reading other req fields), but status accesses t...
```diff diff --git a/net/9p/client.c b/net/9p/client.c index 7b2a997662d9..fef6516a0639 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -443,7 +443,7 @@ void p9_client_cb(struct p9_client *c, struct p9_req_t *req, int status) * the status change is visible to another thread */ smp_wmb(); - req->status = s...
07e176f2ad357a9371b9e9a80fc1c77016399ddf
Analyze and fix the following issue in the Linux kernel code: drm/i915: Shorten GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED a bit
Problem Details: s/GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED/GAMMA_MODE_MODE_12BIT_MULTI_SEG/ to make this thing slightly shorter. Also fix up the platform comment while at it. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221123152638.20622-2-ville.syr...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index 842d58da3128..956b221860e6 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -1212,7 +1212,7 @@ static void icl_load_luts(const struct intel_crtc_s...