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762343f79e431b0555469e97e3afcd443027fa37
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in amdgpu.h
Problem Details: Fix the following errors reported by checkpatch: ERROR: open brace '{' following struct go on the same line Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 00bf4a364a92..c5f3859fd682 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -115,14 +115,12 @@ #define MAX_GPU_INSTANCE 64 -struct amdgpu_gpu_instance -{ +struct amdgpu...
f5e1f90b67b88fc6d0b4c9195442f28f806146a9
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in amdgpu_gmc.c
Problem Details: Fix the following errors reported by checkpatch: ERROR: need consistent spacing around '-' (ctx:WxV) Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 103f8a8df6d8..d4a848c51a83 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -52,7 +52,7 @@ int amdgpu_gmc_pdb0_alloc(struct amdgpu_device *adev) struct amdg...
0b0fb6da9b01a1bafe9a62b989408f29447f95f8
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in jpeg_v2_5.c
Problem Details: Fix the following errors reported by checkpatch: ERROR: space required before the open parenthesis '(' ERROR: that open brace { should be on the previous line Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c index e67a337457ed..99cd49ee8ef6 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c @@ -551,7 +551,7 @@ static int jpeg_v2_5_set_powergating_state(void *handle, struct amd...
7230ebeb0a9b4ea2a32ef542625ffc2c4328051d
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in gfx_v9_4.c
Problem Details: Fix the following errors reported by checkpatch: ERROR: that open brace { should be on the previous line Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c index bc8416afb62c..f53b379d8971 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c @@ -970,8 +970,9 @@ static void gfx_v9_4_reset_ras_error_count(struct amdgpu_device *adev) ...
b679566bf0c17797a5a86ddd871577215248d759
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in amdgpu_drv.c
Problem Details: Fix the following errors reported by checkpatch: ERROR: do not initialise globals to 0 Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 5c9caf5fa075..74d8e2449a6b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -593,7 +593,7 @@ module_param_named(timeout_period, amdgpu_watchdog_timer.period, ...
995d629f7476e7a8c2b8cecb98d27f344a946d10
Analyze and fix the following issue in the Linux kernel code: drm/amd: Clean up errors in amdgpu_vkms.c
Problem Details: Fix the following errors reported by checkpatch: ERROR: that open brace { should be on the previous line Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c index 453a4b786cfc..8baa2e0935cc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c @@ -660,8 +660,7 @@ static const struct amd_ip_funcs amdgpu_vkms_ip_funcs = { ....
849e133c973ce7a2f217f699babb269b5d35bc4b
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix the null pointer when load rlc firmware
Problem Details: If the RLC firmware is invalid because of wrong header size, the pointer to the rlc firmware is released in function amdgpu_ucode_request. There will be a null pointer error in subsequent use. So skip validation to fix it. Signed-off-by: Ma Jun <Jun.Ma2@amd.com> Acked-by: Alex Deucher <alexander.deuch...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 73f6d7e72c73..d63cab294883 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -3996,16 +3996,13 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev) ...
bcee21a437abc03201e49837bb5adeae981d0440
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: 3.2.267
Problem Details: - Align the returned error code with legacy DP - Allow Z8 for multiplane configurations on DCN35 - Set default Z8 minimum residency for DCN35 - Rework DC Z10 restore - Enable Panel Replay for static screen use case - Add DP audio BW validation - Fix dml2 assigned pipe search - Ensure populate uclk in b...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index c9317ea0258e..1d052742d4c7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -51,7 +51,7 @@ struct aux_payload; struct set_config_cmd_payload; struct dmub_notification; -#...
5950efe25ee02df4983864b3bc1f460ad5c8d862
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Enable Panel Replay for static screen use case
Problem Details: [Why] Enable the Panel Replay if eDP panel and ASIC support. (prioritize Panel Replay over PSR) [How] - Setup the Panel Replay config during the device init (prioritize Panel Replay over PSR). - Separate the Replay init function into two functions amdgpu_dm_link_setup_replay() and amdgpu_dm_set_re...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 38a9bed273a6..36af104e7663 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -67,6 +67,7 @@ #include "amdgpu_dm_debugf...
d451b534e0b409abc3c5733c66e32708f443abf1
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix dml2 assigned pipe search
Problem Details: [Why & How] DML2 currently finds assigned pipes in array order rather than the existing linked list order. This results in rearranging pipe order on flip and more importantly otg inst and pipe idx mismatch. This change preserves the order of existing pipes and guarantees the head pipe will have matchi...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c index 0baf39d64a2d..a0ce681b26c6 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c @@ -1...
f0ec30549a2b6e6a9db7d71001f4b3c1ed45c675
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Ensure populate uclk in bb construction
Problem Details: [Description] - For some SKUs, the optimal DCFCLK for each UCLK is less than the smallest DCFCLK STA target due to low memory bandwidth. There is an assumption that the DCFCLK STA targets will always be less than one of the optimal DCFCLK values, but this is not true for SKUs that have low memo...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c index 63c48c29ba49..e7f4a2d491cc 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vb...
2254ab45dab22a18fdd29fe0e471706872c00093
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix DML2 watermark calculation
Problem Details: [Why] core_mode_programming in DML2 should output watermark calculations to locals, but it incorrectly uses mode_lib [How] update code to match HW DML2 Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Reviewed-by: Charlene Liu <...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c index a6b938a12de1..9be5ebf3a8c0 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c @@ -9446,13 +9446,13 ...
6c605f44086af24d7ac1867245aa10bb3360c5bf
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Port DENTIST hang and TDR fixes to OTG disable W/A
Problem Details: [Why] We can experience DENTIST hangs during optimize_bandwidth or TDRs if FIFO is toggled and hangs. [How] Port the DCN35 fixes to DCN314. Cc: Mario Limonciello <mario.limonciello@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Reviewed-by: Charlene Liu <charlene.liu...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c index 878c0e7b78ab..a84f1e376dee 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk...
73888bad4d1f89a8a137f74835c9a0a47c0e133c
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in amdgpu_rlc.c
Problem Details: Fix the following errors reported by checkpatch: ERROR: space prohibited before that '++' (ctx:WxB) Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c index 2c3675d91614..db5791e1a7ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_rlc.c @@ -241,7 +241,7 @@ void amdgpu_gfx_rlc_setup_cp_table(struct amdgpu_device *adev) ...
1ed8ccf2687765bde609283c53498299683bd98b
Analyze and fix the following issue in the Linux kernel code: drm/amd: Clean up errors in sdma_v2_4.c
Problem Details: Fix the following errors reported by checkpatch: ERROR: that open brace { should be on the previous line ERROR: trailing statements should be on next line Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 8d5d86675a7f..07e19caf2bc1 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -57,22 +57,19 @@ static void sdma_v2_4_set_irq_funcs(struct amdgpu_device *adev); MOD...
32a0a398fc7889baa4a90bd327713b40020a15f9
Analyze and fix the following issue in the Linux kernel code: drm/amd/amdgpu: Clean up errors in amdgpu_umr.h
Problem Details: Fix the following errors reported by checkpatch: spaces required around that '=' (ctx:VxV) Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umr.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_umr.h index 107f9bb0e24f..5b27fc41ffbf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umr.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umr.h @@ -69,12 +69,12 @@ struct amdgpu_debugfs_gprwave_data { }; enum AMDGPU_DEBUGFS_R...
2bb012138d72c9aaf8e2cce8491f0507c4aee5a6
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in amdgpu_atomfirmware.h
Problem Details: Fix the following errors reported by checkpatch: ERROR: "foo* bar" should be "foo *bar" Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h index c7eb2caec65a..649b5530d8ae 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h @@ -36,7 +36,7 @@ int amdgpu_atomfirmware_get_clo...
05ec62314720544f5015f6d4978a0cffdb63dfc3
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in clearstate_gfx9.h
Problem Details: Fix the following errors reported by checkpatch: ERROR: that open brace { should be on the previous line Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/clearstate_gfx9.h b/drivers/gpu/drm/amd/amdgpu/clearstate_gfx9.h index 567a904804bc..9c85ca6358c1 100644 --- a/drivers/gpu/drm/amd/amdgpu/clearstate_gfx9.h +++ b/drivers/gpu/drm/amd/amdgpu/clearstate_gfx9.h @@ -21,8 +21,7 @@ * */ -static const unsigned int gfx9_SECT...
2763da27f93ffa7cae20e01496a79fac033467a2
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Clean up errors in navi10_ih.c
Problem Details: Fix the following errors reported by checkpatch: ERROR: that open brace { should be on the previous line Signed-off-by: chenxuebing <chenxb_99091@126.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c index e64b33115848..57d04ed20357 100644 --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c @@ -722,8 +722,7 @@ static void navi10_ih_set_interrupt_funcs(struct amdgpu_device *adev)...
166225e79ccc3d02c4c46e1b3c09d03eb91473ca
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()'
Problem Details: In link_set_dsc_pps_packet(), 'struct display_stream_compressor *dsc' was dereferenced in a DC_LOGGER_INIT(dsc->ctx->logger); before the 'dsc' NULL pointer check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index 3de148004c06..3cbfbf8d107e 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -900,11 +900,15 @@ bool link_set_dsc_pps_packet(st...
81d4b970684554dbd8faff90fbcd600b86847a68
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Fix variable dereferenced before NULL check in 'kfd_dbg_trap_device_snapshot()'
Problem Details: Fixes the below: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_debug.c:1024 kfd_dbg_trap_device_snapshot() warn: variable dereferenced before check 'entry_size' (see line 1021) Cc: Felix Kuehling <Felix.Kuehling@amd.com> Cc: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@amd...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c index 9ec750666382..d889e3545120 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c @@ -1018,12 +1018,14 @@ int kfd_dbg_trap_device_snapshot(struct kfd_process *target, u...
373e970a4a2a6b8a6176bf22b7b588558f2c1d9b
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: add sdma v4.4.2 ACA support
Problem Details: v1: add sdma v4.4.2 ACA driver support v2: use macro to define smn address value. v3: squash in fix for unbalanced irqs Signed-off-by: Yang Wang <kevinyang.wang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c index 2d688dca26be..fec5a3d1c4bc 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c @@ -45,6 +45,8 @@ MODULE_FIRMWARE("amdgpu/sdma_4_4_2.bin"); +#define mmSMNAI...
e372baeb3d336b20fd9463784c577fd8824497cd
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Check extended configuration space register when system uses large bar
Problem Details: Some customer platforms do not enable mmconfig for various reasons, such as bios bug, and therefore cannot access the GPU extend configuration space through mmio. When the system enters the d3cold state and resumes, the amdgpu driver fails to resume because the extend configuration space registers of ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 8beff0158c42..a39c7127c9e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1453,6 +1453,10 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_devi...
4cabb2174d2c8c9672fcec95c49a8eb257142ea3
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Bump KFD ioctl version
Problem Details: This is not strictly a change in the IOCTL API. This version bump is meant to indicate to user mode the presence of a number of changes and fixes that enable the management of VA mappings in compute VMs using the GEM_VA ioctl for DMABufs exported from KFD. Signed-off-by: Felix Kuehling <felix.kuehling...
```diff diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index f0ed68974c54..9ce46edc62a5 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -40,9 +40,10 @@ * - 1.12 - Add DMA buf export ioctl * - 1.13 - Add debugger API * - 1.14 - Update kfd_event_data...
d7643fe6fb76edb1f2f1497bf5e8b8f4774b5129
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Avoid enum conversion warning
Problem Details: Clang warns (or errors with CONFIG_WERROR=y) when performing arithmetic with different enumerated types, which is usually a bug: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_dp_dpia_bw.c:548:24: error: arithmetic between different enumeration types ('const enum dc_link_rate' and 'c...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c index 4ef1a6a1d129..dd0d2b206462 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp...
a992c90d8ed3929b70ae815ce21ca5651cc0a692
Analyze and fix the following issue in the Linux kernel code: drm/amd/pm: Fix smuv13.0.6 current clock reporting
Problem Details: When current clock is equal to max dpm level clock, the level is not indicated correctly with *. Fix by comparing current clock against dpm level value. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> C...
```diff diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 7513d1cfeebd..a28649f21093 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -970,7 +970,9 @@ static int sm...
d7a254fad873775ce6c32b77796c81e81e6b7f2e
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Fix 'node' NULL check in 'svm_range_get_range_boundaries()'
Problem Details: Range interval [start, last] is ordered by rb_tree, rb_prev, rb_next return value still needs NULL check, thus modified from "node" to "rb_node". Fixes the below: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:2691 svm_range_get_range_boundaries() warn: can 'node' even be NULL? Suggested-by: Philip Y...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 4e9f07c7a937..c50a0dc9c9c0 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -2654,6 +2654,7 @@ svm_range_get_range_boundaries(struct kfd_process *p, int64_t addr, { st...
51258acdc4758d43f03ec9cab6f3fa72a2838f0e
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: move debug options init prior to amdgpu device init
Problem Details: To bring debug options into effect in early initialization phase Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 0776b0c5e4e4..5c9caf5fa075 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2234,6 +2234,8 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, pci_set_d...
d20e1aec8862e48a352ca86969cee6f530dd41d5
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: add debug flag to place fw bo on vram for frontdoor loading
Problem Details: Use debug_mask=0x8 param to help isolating data path issues on new systems in early phase. v2: rename the flag for explicitness (lijo) Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 616b6c911767..3d8a48f46b01 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1144,6 +1144,7 @@ struct amdgpu_device { bool debug_vm; bool ...
6c5683bd9ecaa7f199c3122c1010ece5d59b1aef
Analyze and fix the following issue in the Linux kernel code: Revert "drm/amdgpu: add param to specify fw bo location for front-door loading"
Problem Details: This reverts commit c572abffe9f50c8ba33060865449313b3f588c35. Will use debug module param instead of independent module param. Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexand...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 9da14436a373..616b6c911767 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -254,8 +254,6 @@ extern int amdgpu_agp; extern int amdgpu_wbrf; -extern int fw_bo_location; -...
7073934f5d73f8b53308963cee36f0d389ea857c
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix variable deferencing before NULL check in edp_setup_replay()
Problem Details: In edp_setup_replay(), 'struct dc *dc' & 'struct dmub_replay *replay' was dereferenced before the pointer 'link' & 'replay' NULL check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:947 edp_setup_replay() warn: variable dereferenced before check 'lin...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c index 7f1196528218..046d3e205415 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c +++ b/drivers/gpu/drm/amd/display/dc/l...
8e8272f0dc22e11b2791dc778b07bd66c208d5a8
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix unsigned comparison with less than zero in vpe_u1_8_from_fraction()
Problem Details: The variables 'numerator' and 'denominator', are unsigned 16-bit integer types, that can never be less than 0. Thus fixing the below: drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c:62 vpe_u1_8_from_fraction() warn: unsigned 'numerator' is never less than zero. drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c:63 vpe_u...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c index 6f149b54d4d3..b9a15d51eb5c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vpe.c @@ -59,11 +59,8 @@ static inline uint16_t complete_integer_division_u16( static ui...
fac4ebd79fed60e79cccafdad45a2bb8d3795044
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix with right return code '-EIO' in 'amdgpu_gmc_vram_checking()'
Problem Details: The amdgpu_gmc_vram_checking() function in emulation checks whether all of the memory range of shared system memory could be accessed by GPU, from this aspect, -EIO is returned for error scenarios. Fixes the below: drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c:919 gmc_v6_0_hw_init() warn: missing error code? ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index d2f273d77e59..55784a9f26c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -1045,21 +1045,28 @@ int amdgpu_gmc_vram_checking(struct amdgpu_device *adev) *...
6616b5e1999146b1304abe78232af810080c67e3
Analyze and fix the following issue in the Linux kernel code: drm/amd/powerplay: Fix kzalloc parameter 'ATOM_Tonga_PPM_Table' in 'get_platform_power_management_table()'
Problem Details: In 'struct phm_ppm_table *ptr' allocation using kzalloc, an incorrect structure type is passed to sizeof() in kzalloc, larger structure types were used, thus using correct type 'struct phm_ppm_table' fixes the below: drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/process_pptables_v1_0.c:203 get_plat...
```diff diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c index f2a55c1413f5..17882f8dfdd3 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_...
d02069850fc102b07ae923535d5e212f2c8a34e9
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fall back to INPUT power for AVG power via INFO IOCTL
Problem Details: For backwards compatibility with userspace. Fixes: 47f1724db4fe ("drm/amd: Introduce `AMDGPU_PP_SENSOR_GPU_INPUT_POWER`") Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2897 Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index b5ebafd4a3ad..bf4f48fe438d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -1105,7 +1105,12 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, stru...
25852d4b97572ff62ffee574cb8bb4bc551af23a
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix avg vs input power reporting on smu7
Problem Details: Hawaii, Bonaire, Fiji, and Tonga support average power, the others support current power. Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c index b1a8799e2dee..aa91730e4eaf 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c @@ -3999,6 +3999,7 @@ static int smu7...
02eed83abc1395a1207591aafad9bcfc5cb1abcb
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: fixes for HMM mem allocation
Problem Details: Fix err return value and reset pgmap->type after checking it. Fixes: c83dee9b6394 ("drm/amdkfd: add SPM support for SVM") Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: A...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index d630100b9e91..f856901055d3 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -1026,7 +1026,7 @@ int kgd2kfd_init_zone_device(struct amdgpu_device *adev) ...
62b38f30a00ff47142e58d0a6d60dd296e0e8108
Analyze and fix the following issue in the Linux kernel code: gpio: EN7523: fix kernel-doc warnings
Problem Details: Add "struct" keyword and explain the @dir array differently to prevent kernel-doc warnings: gpio-en7523.c:22: warning: cannot understand function prototype: 'struct airoha_gpio_ctrl ' gpio-en7523.c:27: warning: Function parameter or struct member 'dir' not described in 'airoha_gpio_ctrl' gpio-en7523.c...
```diff diff --git a/drivers/gpio/gpio-en7523.c b/drivers/gpio/gpio-en7523.c index f836a8db4c1d..69834db2c1cf 100644 --- a/drivers/gpio/gpio-en7523.c +++ b/drivers/gpio/gpio-en7523.c @@ -12,11 +12,11 @@ #define AIROHA_GPIO_MAX 32 /** - * airoha_gpio_ctrl - Airoha GPIO driver data + * struct airoha_gpio_ctrl - Airo...
5f4c01f1e3c7b0c8d1e5dd6f080531de7aa5e47b
Analyze and fix the following issue in the Linux kernel code: spinlock: Fix failing build for PREEMPT_RT
Problem Details: Since 1d71b30e1f85 ("sched.h: Move (spin|rwlock)_needbreak() to spinlock.h") build fails for PREEMPT_RT, since there is no definition available of either spin_needbreak() and rwlock_needbreak(). Since it was moved on the mentioned commit, it was placed inside a !PREEMPT_RT part of the code, making it ...
```diff diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 0c71f06454d9..b5c59fdad160 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -449,6 +449,12 @@ static __always_inline int spin_is_contended(spinlock_t *lock) return raw_spin_is_contended(&lock->rlock); } +#define a...
2db6b72c989763e30fab83b186e9263fece26bc6
Analyze and fix the following issue in the Linux kernel code: PCI: Fix kernel-doc issues
Problem Details: Fix kernel-doc issues reported by "find include -name \*pci\* | xargs scripts/kernel-doc -none": include/linux/pci.h:731: warning: Function parameter or member 'pdev' not described in 'pci_is_vga' include/linux/pci-epc.h:154: warning: Function parameter or member 'list_lock' not described in 'pci_...
```diff diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index 5cb694031072..bfe41b03b70c 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -122,7 +122,7 @@ struct pci_epc_mem { * struct pci_epc - represents the PCI EPC device * @dev: PCI EPC device * @pci_epf: list of endpoint f...
832b371097eb928d077c827b8f117bf5b99d35c0
Analyze and fix the following issue in the Linux kernel code: gpiolib: Fix scope-based gpio_device refcounting
Problem Details: Commit 9e4555d1e54a ("gpiolib: add support for scope-based management to gpio_device") sought to add scope-based gpio_device refcounting, but erroneously forgot a negation of IS_ERR_OR_NULL(). As a result, gpio_device_put() is not called if the gpio_device pointer is valid (meaning the ref is leaked),...
```diff diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index e846bd4e7559..9a5c6c76e653 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -635,7 +635,7 @@ struct gpio_device *gpio_device_get(struct gpio_device *gdev); void gpio_device_put(struct gpio_device *gdev); ...
d315a68e94a76310c349add3f9c914cefda0a87f
Analyze and fix the following issue in the Linux kernel code: drm/ci: uprev mesa version: fix kdl commit fetch
Problem Details: build-kdl.sh was doing a `clone --depth 1` of the default branch, then checking out a commit that might not be the latest of that branch, resulting in container build error. https://gitlab.freedesktop.org/mesa/mesa/-/commit/5efa4d56 fixes kdl commit fetch issue. Uprev mesa in drm-ci to fix this. This...
```diff diff --git a/drivers/gpu/drm/ci/gitlab-ci.yml b/drivers/gpu/drm/ci/gitlab-ci.yml index dac92cc2777c..084e3ff8e3f4 100644 --- a/drivers/gpu/drm/ci/gitlab-ci.yml +++ b/drivers/gpu/drm/ci/gitlab-ci.yml @@ -1,6 +1,6 @@ variables: DRM_CI_PROJECT_PATH: &drm-ci-project-path mesa/mesa - DRM_CI_COMMIT_SHA: &drm-ci-...
2a965d1b15d28065b35ab4ebd1e51558fcd91aa5
Analyze and fix the following issue in the Linux kernel code: ceph: get rid of passing callbacks in __dentry_leases_walk()
Problem Details: __dentry_leases_walk() gets a callback and calls it for a bunch of denties; there are exactly two callers and we already have a flag telling them apart - lwc->dir_lease. Seeing that indirect calls are costly these days, let's get rid of the callback and just call the right function directly. Has a si...
```diff diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 91709934c8b1..768158743750 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1593,10 +1593,12 @@ struct ceph_lease_walk_control { unsigned long dir_lease_ttl; }; +static int __dir_lease_check(const struct dentry *, struct ceph_lease_walk_control *); +static...
0f4cf64eabc6e16cfc2704f1960e82dc79d91c8d
Analyze and fix the following issue in the Linux kernel code: ceph: fix invalid pointer access if get_quota_realm return ERR_PTR
Problem Details: This issue is reported by smatch that get_quota_realm() might return ERR_PTR but we did not handle it. It's not a immediate bug, while we still should address it to avoid potential bugs if get_quota_realm() is changed to return other ERR_PTR in future. Set ceph_snap_realm's pointer in get_quota_realm(...
```diff diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c index 9d36c3532de1..06ee397e0c3a 100644 --- a/fs/ceph/quota.c +++ b/fs/ceph/quota.c @@ -197,10 +197,10 @@ void ceph_cleanup_quotarealms_inodes(struct ceph_mds_client *mdsc) } /* - * This function walks through the snaprealm for an inode and returns the - * ceph...
9c896d6bc3dfef86659a6a1fb25ccdea5dbef6a3
Analyze and fix the following issue in the Linux kernel code: ceph: select FS_ENCRYPTION_ALGS if FS_ENCRYPTION
Problem Details: The kconfig options for filesystems that support FS_ENCRYPTION are supposed to select FS_ENCRYPTION_ALGS. This is needed to ensure that required crypto algorithms get enabled as loadable modules or builtin as is appropriate for the set of enabled filesystems. Do this for CEPH_FS so that there aren't ...
```diff diff --git a/fs/ceph/Kconfig b/fs/ceph/Kconfig index 94df854147d3..7249d70e1a43 100644 --- a/fs/ceph/Kconfig +++ b/fs/ceph/Kconfig @@ -7,6 +7,7 @@ config CEPH_FS select CRYPTO_AES select CRYPTO select NETFS_SUPPORT + select FS_ENCRYPTION_ALGS if FS_ENCRYPTION default n help Choose Y or M here to i...
b493ad718b1f0357394d2cdecbf00a44a36fa085
Analyze and fix the following issue in the Linux kernel code: ceph: fix deadlock or deadcode of misusing dget()
Problem Details: The lock order is incorrect between denty and its parent, we should always make sure that the parent get the lock first. But since this deadcode is never used and the parent dir will always be set from the callers, let's just remove it. Link: https://lore.kernel.org/r/20231116081919.GZ1957730@ZenIV R...
```diff diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 2c0b8dc3dd0d..9c02f328c966 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -4887,13 +4887,15 @@ int ceph_encode_dentry_release(void **p, struct dentry *dentry, struct inode *dir, int mds, int drop, int unless) { - struct dentry *paren...
f48e0342a74d7770cdf1d11894bdc3b6d989b29e
Analyze and fix the following issue in the Linux kernel code: ceph: reinitialize mds feature bit even when session in open
Problem Details: Following along the same lines as per the user-space fix. Right now this isn't really an issue with the ceph kernel driver because of the feature bit laginess, however, that can change over time (when the new snaprealm info type is ported to the kernel driver) and depending on the MDS version that's be...
```diff diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index be00c189ed46..6781438f8782 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -4128,12 +4128,12 @@ static void handle_session(struct ceph_mds_session *session, pr_info_client(cl, "mds%d reconnect success\n", session->s_m...
8049e3954aeaaeb488cd4e371526721c7fca297e
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix bounds checking in __xe_bo_placement_for_flags()
Problem Details: Requesting all memory regions on PVC will fill bo->placements up to XE_BO_MAX_PLACEMENTS. The subsequent call to try_add_stolen() will trip over the bounds checking even though XE_PL_STOLEN is not expected to be used in this case. This is hit with igt@xe_exec_fault_mode@once-basic-prefetch: xe 000...
```diff diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 3cd29bd015a0..0b0e262e2166 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -125,9 +125,9 @@ static struct xe_mem_region *res_to_mem_region(struct ttm_resource *res) static void try_add_system(struct xe_device...
7425c43c268f859426d02ccb3f043bdbae31cca9
Analyze and fix the following issue in the Linux kernel code: drm/xe/migrate: Fix CCS copy for small VRAM copy chunks
Problem Details: Since the migrate code is using the identity map for addressing VRAM, copy chunks may become as small as 64K if the VRAM resource is fragmented. However, a chunk size smaller that 1MiB may lead to the *next* chunk's offset into the CCS metadata backup memory may not be page-aligned, and the XY_CTRL_SU...
```diff diff --git a/drivers/gpu/drm/xe/tests/xe_migrate.c b/drivers/gpu/drm/xe/tests/xe_migrate.c index 7a32faa2f688..a6523df0f1d3 100644 --- a/drivers/gpu/drm/xe/tests/xe_migrate.c +++ b/drivers/gpu/drm/xe/tests/xe_migrate.c @@ -331,7 +331,7 @@ static void xe_migrate_sanity_test(struct xe_migrate *m, struct kunit *te...
ec32f4f1bed87f0b87b9b0091231c8685db1138c
Analyze and fix the following issue in the Linux kernel code: drm/xe: unlock on error path in xe_vm_add_compute_exec_queue()
Problem Details: Drop the "&vm->lock" before returning. Fixes: 24f947d58fe5 ("drm/xe: Use DRM GPUVM helpers for external- and evicted objects") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> (cherry pic...
```diff diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index b0e3cab6a584..10b6995fbf29 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -335,13 +335,13 @@ int xe_vm_add_compute_exec_queue(struct xe_vm *vm, struct xe_exec_queue *q) down_write(&vm->lock); err = drm_gp...
616576df35193bbadac31dc42a32d5943e183f45
Analyze and fix the following issue in the Linux kernel code: drm/xe/selftests: Fix an error pointer dereference bug
Problem Details: Check if "bo" is an error pointer before calling xe_bo_lock() on it. Fixes: d6abc18d6693 ("drm/xe/xe2: Modify xe_bo_test for system memory") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.co...
```diff diff --git a/drivers/gpu/drm/xe/tests/xe_bo.c b/drivers/gpu/drm/xe/tests/xe_bo.c index 412b2e7ce40c..3436fd9cf2b2 100644 --- a/drivers/gpu/drm/xe/tests/xe_bo.c +++ b/drivers/gpu/drm/xe/tests/xe_bo.c @@ -125,14 +125,13 @@ static void ccs_test_run_tile(struct xe_device *xe, struct xe_tile *tile, bo = xe_bo_cr...
ffd915e41a4a2277fd8041dc77603df59acf3e01
Analyze and fix the following issue in the Linux kernel code: drm/xe/device: clean up on error in probe()
Problem Details: This error path should clean up before returning. Smatch detected this bug: drivers/gpu/drm/xe/xe_device.c:487 xe_device_probe() warn: missing unwind goto? Fixes: 4cb12b71923b ("drm/xe/xe2: Determine bios enablement for flat ccs on igfx") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Sign...
```diff diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index d9ae77fe7382..b8d8da546670 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -484,7 +484,7 @@ int xe_device_probe(struct xe_device *xe) err = xe_device_set_has_flat_ccs(xe); if (err) - ret...
190db3b1da8f40131d6153de7469abce16766302
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix build bug for GCC 11
Problem Details: Building drivers/gpu/drm/xe/xe_gt_pagefault.c with GCC 11 results in the following build errors: ./include/linux/fortify-string.h:57:33: error: writing 16 bytes into a region of size 0 [-Werror=stringop-overflow=] 57 | #define __underlying_memcpy __builtin_memcpy | ...
```diff diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile index 53bd2a8ba1ae..efcf0ab7a1a6 100644 --- a/drivers/gpu/drm/xe/Makefile +++ b/drivers/gpu/drm/xe/Makefile @@ -17,7 +17,6 @@ subdir-ccflags-y += $(call cc-option, -Wunused-const-variable) subdir-ccflags-y += $(call cc-option, -Wpacked-not-...
23ca3d2fe367794d2816530fa6b141339fddc1c6
Analyze and fix the following issue in the Linux kernel code: drm/xe: Check skip_guc_pc before setting SLPC flag
Problem Details: Don't set SLPC GuC feature ctl flag if skip_guc_pc is true. v2: Skip the freq related sysfs creation as well (Badal) v3: Remove unnecessary parenthesis (Lucas) Fixes: 975e4a3795d4 ("drm/xe: Manually setup C6 when skip_guc_pc is set") Fixes: bef52b5c7a19 ("drm/xe: Create a xe_gt_freq component for raw...
```diff diff --git a/drivers/gpu/drm/xe/xe_gt_freq.c b/drivers/gpu/drm/xe/xe_gt_freq.c index 3adfa6686e7c..e5b0f4ecdbe8 100644 --- a/drivers/gpu/drm/xe/xe_gt_freq.c +++ b/drivers/gpu/drm/xe/xe_gt_freq.c @@ -196,6 +196,9 @@ void xe_gt_freq_init(struct xe_gt *gt) struct xe_device *xe = gt_to_xe(gt); int err; + if (...
19c02225242498eea9267d444ee1276016368d49
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix modifying exec_queue priority in xe_migrate_init
Problem Details: After exec_queue has been created, we cannot simply modify q->priority. This needs to be done by the backend via q->ops. However in this case, it would be more efficient to simply pass a flag when creating the exec_queue and set the desired priority upfront during queue creation. To that end: new fla...
```diff diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index 44fe8097b7cd..bcfc4127c7c5 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -67,6 +67,11 @@ static struct xe_exec_queue *__xe_exec_queue_create(struct xe_device *xe, q->sched_p...
fef257eb6dcb9f39baee9ac44f064cd796ecfd0b
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix guc_exec_queue_set_priority
Problem Details: We need to set q->priority prior to calling guc_exec_queue_add_msg() as that will call init_policies() and sets the scheduling properties to those stored in the exec_queue. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Signed-off-by: Brian Welty <brian.welty@intel.com> Sign...
```diff diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c index 21ac68e3246f..5de3ac47c462 100644 --- a/drivers/gpu/drm/xe/xe_guc_submit.c +++ b/drivers/gpu/drm/xe/xe_guc_submit.c @@ -1308,8 +1308,8 @@ static int guc_exec_queue_set_priority(struct xe_exec_queue *q, if (!msg) retu...
98949068eb559a31f162ab37f56a89bf6c3698ad
Analyze and fix the following issue in the Linux kernel code: drm/xe: Annotate xe_ttm_stolen_mgr::mapping with __iomem
Problem Details: The pointer points to IO memory, but the __iomem annotation was incorrectly placed. Annotate it correctly, update its usage accordingly and fix the corresponding sparse error. Fixes: d8b52a02cb40 ("drm/xe: Implement stolen memory.") Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Matthew...
```diff diff --git a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c index d2b00d0bf1e2..e5d7d5e2bec1 100644 --- a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c +++ b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c @@ -31,7 +31,7 @@ struct xe_ttm_stolen_mgr { /* GPU base offset */ resource_size_t st...
5c63e7574739c034e072dea0e0a6fcbe8d538666
Analyze and fix the following issue in the Linux kernel code: drm/xe: Annotate multiple mmio pointers with __iomem
Problem Details: There are a couple of pointers pointing to MMIO space. Annotate them with __iomem and fix the corresponding sparse warnings. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Fixes: 3b0d4a557996 ("drm/xe: Move register MMIO into xe_tile") Fixes: 399a13323f0d ("drm/xe: add 28-bi...
```diff diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h index 4b38c6bc6c76..5dc9127a2029 100644 --- a/drivers/gpu/drm/xe/xe_device_types.h +++ b/drivers/gpu/drm/xe/xe_device_types.h @@ -146,7 +146,7 @@ struct xe_tile { size_t size; /** @regs: pointer to tile's MMIO space...
77232e6a28447c2942558d05f1c3115bdf95a9e7
Analyze and fix the following issue in the Linux kernel code: drm/xe: Annotate xe_mem_region::mapping with __iomem
Problem Details: The pointer points to IO memory, but the __iomem annotation was incorrectly placed. Annotate it correctly, update its usage accordingly and fix the corresponding sparse error. Fixes: 0887a2e7ab62 ("drm/xe: Make xe_mem_region struct") Cc: Oak Zeng <oak.zeng@intel.com> Cc: Michael J. Ruhl <michael.j.ruh...
```diff diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 8e4a3b1f6b93..3cd29bd015a0 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -442,7 +442,7 @@ static int xe_ttm_io_mem_reserve(struct ttm_device *bdev, if (vram->mapping && mem->placement & TTM_PL_FL...
3ec276d06698189506f508f87c0f4f17c11e0251
Analyze and fix the following issue in the Linux kernel code: drm/xe: Use __iomem for the regs pointer
Problem Details: The regs pointer points to IO memory. Annotate it properly and fix the corresponding sparse warning. Fixes: a4e2f3a299ea ("drm/xe: refactor xe_mmio_probe_tiles to support MMIO extension") Cc: Koby Elbaz <kelbaz@habana.ai> Cc: Ofir Bitton <obitton@habana.ai> Cc: Moti Haimovski <mhaimovski@habana.ai> Cc...
```diff diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c index f660cfb79f50..c8c5d74b6e90 100644 --- a/drivers/gpu/drm/xe/xe_mmio.c +++ b/drivers/gpu/drm/xe/xe_mmio.c @@ -303,7 +303,7 @@ void xe_mmio_probe_tiles(struct xe_device *xe) u8 id, tile_count = xe->info.tile_count; struct xe_gt *gt ...
457f4439833487acb18abdd55e95fbb17d43fdca
Analyze and fix the following issue in the Linux kernel code: drm/xe/vm: Fix an error path
Problem Details: If using the VM_BIND_OP_UNMAP_ALL without any bound vmas for the vm, we will end up dereferencing an uninitialized variable and leak a bo lock. Fix this. v2: - Updated commit message (Lucas De Marchi) Reported-by: Dafna Hirschfeld <dhirschfeld@habana.ai> Closes: https://lore.kernel.org/intel-xe/jrwua...
```diff diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 0cfe7289b97e..b0e3cab6a584 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -2063,9 +2063,11 @@ vm_bind_ioctl_ops_create(struct xe_vm *vm, struct xe_bo *bo, if (err) return ERR_PTR(err); - vm_bo = drm...
56c253daabc8bd9dfbae52c3d9e0dd34977347a6
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix exec IOCTL long running exec queue ring full condition
Problem Details: The intent is to return -EWOULDBLOCK to the user if a long running exec queue is full during the exec IOCTL. -EWOULDBLOCK aliases to -EAGAIN which results in the exec IOCTL doing a retry loop. Fix this by ensuring the retry loop is broken when returning -EWOULDBLOCK. Fixes: 8ae8a2e8dd21 ("drm/xe: Long...
```diff diff --git a/drivers/gpu/drm/xe/xe_exec.c b/drivers/gpu/drm/xe/xe_exec.c index d30c0d0689bc..b853feed9ccc 100644 --- a/drivers/gpu/drm/xe/xe_exec.c +++ b/drivers/gpu/drm/xe/xe_exec.c @@ -115,7 +115,7 @@ int xe_exec_ioctl(struct drm_device *dev, void *data, struct drm_file *file) struct xe_sched_job *job; st...
7b1a8a5fcee4a85be1f540ac0e09761d421e562d
Analyze and fix the following issue in the Linux kernel code: drm/xe: Fix definition of intel_wakeref_t
Problem Details: i915 defines it as unsigned long so Xe should do the same to avoid compilation warnings: CC [M] drivers/gpu/drm/i915/i915_gem.o CC [M] drivers/gpu/drm/xe/i915-display/intel_display_power_well.o In file included from ./include/drm/drm_mm.h:51, from drivers/gpu/drm/xe/xe_bo_types....
```diff diff --git a/drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h b/drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h index 1c5e30cf10ca..ecb1c0707706 100644 --- a/drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h +++ b/drivers/gpu/drm/xe/compat-i915-headers/intel_wakeref.h @@ -5,4 +5,4 @@ #inclu...
5c7fa5c8ad79a1d7cc9f59636e2f99e8b5471248
Analyze and fix the following issue in the Linux kernel code: sbitmap: remove stale comment in sbq_calc_wake_batch
Problem Details: After commit 106397376c036 ("sbitmap: fix batching wakeup"), we may wake up more than one queue for each batch. Just remove stale comment that we wake up only one queue for each batch. Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Link: https://lore.kernel.org/r/20240115145626.665562-1-shikeme...
```diff diff --git a/lib/sbitmap.c b/lib/sbitmap.c index d0a5081dfd12..92c6b1fd8989 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c @@ -388,11 +388,6 @@ static unsigned int sbq_calc_wake_batch(struct sbitmap_queue *sbq, unsigned int shallow_depth; /* - * For each batch, we wake up one queue. We need to make sure ...
521277d12b5a75982d4f642d2ee22db8d7f986dd
Analyze and fix the following issue in the Linux kernel code: block: Correct a documentation comment in blk-cgroup.c
Problem Details: Commit 99e603874366 ("blk-cgroup: pass a gendisk to the blkg allocation helpers") changed blkg_alloc() to take a struct gendisk instead of a struct request_queue, but the documentation comment still referred to q. So, update that comment to refer to disk instead and fix a typo. Signed-off-by: Nicky C...
```diff diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index e303fd317313..ff93c385ba5a 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -300,7 +300,7 @@ static inline struct blkcg *blkcg_parent(struct blkcg *blkcg) * @disk: gendisk the new blkg is associated with * @gfp_mask: allocation mask to us...
ab09fb9c629ed3aaea6a82467f08595dbc549726
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc4-loader: remove the CPC check warnings
Problem Details: Warnings related to missing data in firmware manifest have proven to be too verbose. This relates to description of DSP module cost expressed in cycles per chunk (CPC). If a matching value is not found in the manifest, kernel will pass a zero value and DSP firmware will use a conservative value in its ...
```diff diff --git a/sound/soc/sof/ipc4-loader.c b/sound/soc/sof/ipc4-loader.c index 3539b0a66e1b..c79479afa8d0 100644 --- a/sound/soc/sof/ipc4-loader.c +++ b/sound/soc/sof/ipc4-loader.c @@ -482,13 +482,10 @@ void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev, msg = "No CPC match in the firmware file's ...
848c8f563dadfdf01358b001ef7c9afe2a6ece8f
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: ipc4-pcm: remove log message for LLP
Problem Details: LLP is supported by I2S and SDW platforms but not supported by HDA platforms. This log is used to notify developer current LLP status for current device. Since above case is known to developers, the log is unnecessary and should be removed. Fixes: 7cb19007baba ("ASoC: SOF: ipc4-pcm: add hw_params") Si...
```diff diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c index 39039a647cca..85d3f390e4b2 100644 --- a/sound/soc/sof/ipc4-pcm.c +++ b/sound/soc/sof/ipc4-pcm.c @@ -768,10 +768,8 @@ static void sof_ipc4_build_time_info(struct snd_sof_dev *sdev, struct snd_sof_pc info->llp_offset = offsetof(struct sof_ip...
1f1626ac0428820f998245478610f452650bcab5
Analyze and fix the following issue in the Linux kernel code: drm/ttm: fix ttm pool initialization for no-dma-device drivers
Problem Details: QXL driver doesn't use any device for DMA mappings or allocations so dev_to_node() will panic inside ttm_device_init() on NUMA systems: general protection fault, probably for non-canonical address 0xdffffc000000007a: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000003d0-...
```diff diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c index f5187b384ae9..4130945052ed 100644 --- a/drivers/gpu/drm/ttm/ttm_device.c +++ b/drivers/gpu/drm/ttm/ttm_device.c @@ -195,7 +195,7 @@ int ttm_device_init(struct ttm_device *bdev, const struct ttm_device_funcs *func bool ...
3787ffdd13de81ba406e5b42c6c24f823395ba5e
Analyze and fix the following issue in the Linux kernel code: ALSA: scarlett2: Fix yet more -Wformat-truncation warnings
Problem Details: The recent code change introduced a few false-positive compile warnings with -Wformat-trucation again. Suppress them by replacing snprintf() with scnprintf(). Fixes: 0a995e38dc44 ("ALSA: scarlett2: Add support for software-controllable input gain") Reported-by: kernel test robot <lkp@intel.com> Close...
```diff diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index 1de3ddc50eb6..6de605a601e5 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -5361,9 +5361,9 @@ static int scarlett2_add_line_out_ctls(struct usb_mixer_interface *mixer) if (private->vol_sw_hw_switch[ind...
a9f1da09c69f13ef471db8b22107a28042d230ca
Analyze and fix the following issue in the Linux kernel code: HID: hid-steam: Fix cleanup in probe()
Problem Details: There are a number of issues in this code. First of all if steam_create_client_hid() fails then it leads to an error pointer dereference when we call hid_destroy_device(steam->client_hdev). Also there are a number of leaks. hid_hw_stop() is not called if hid_hw_open() fails for example. And it does...
```diff diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c index 59df6ead7b54..b08a5ab58528 100644 --- a/drivers/hid/hid-steam.c +++ b/drivers/hid/hid-steam.c @@ -1128,14 +1128,14 @@ static int steam_probe(struct hid_device *hdev, */ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_HIDRAW); ...
d460e9c2075164e9b1fa9c4c95f8c05517bd8752
Analyze and fix the following issue in the Linux kernel code: gpio: mlxbf3: add an error code check in mlxbf3_gpio_probe
Problem Details: Clang static checker warning: Value stored to 'ret' is never read. bgpio_init() returns error code if failed, it's better to add this check. Fixes: cd33f216d241 ("gpio: mlxbf3: Add gpio driver support") Signed-off-by: Su Hui <suhui@nfschina.com> [Bartosz: add the Fixes: tag] Signed-off-by: Bartosz Gol...
```diff diff --git a/drivers/gpio/gpio-mlxbf3.c b/drivers/gpio/gpio-mlxbf3.c index 7a3e1760fc5b..d5906d419b0a 100644 --- a/drivers/gpio/gpio-mlxbf3.c +++ b/drivers/gpio/gpio-mlxbf3.c @@ -215,6 +215,8 @@ static int mlxbf3_gpio_probe(struct platform_device *pdev) gs->gpio_clr_io + MLXBF_GPIO_FW_DATA_OUT_CLEAR, gs...
314c020c4ed3de72b15603eb6892250bc4b51702
Analyze and fix the following issue in the Linux kernel code: dt-bindings: gpio: xilinx: Fix node address in gpio
Problem Details: Node address doesn't match reg property which is not correct. Fixes: ba96b2e7974b ("dt-bindings: gpio: gpio-xilinx: Convert Xilinx axi gpio binding to YAML") Signed-off-by: Michal Simek <michal.simek@amd.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bartosz Gola...
```diff diff --git a/Documentation/devicetree/bindings/gpio/xlnx,gpio-xilinx.yaml b/Documentation/devicetree/bindings/gpio/xlnx,gpio-xilinx.yaml index c1060e5fcef3..d3d8a2e143ed 100644 --- a/Documentation/devicetree/bindings/gpio/xlnx,gpio-xilinx.yaml +++ b/Documentation/devicetree/bindings/gpio/xlnx,gpio-xilinx.yaml @...
c8fb5a52b977ef91dc9342e556c63b9602065c8a
Analyze and fix the following issue in the Linux kernel code: gpio: rtd: Fix signedness bug in probe
Problem Details: The "data->irqs[]" array holds unsigned int so this error handling will not work correctly. Fixes: eee636bff0dc ("gpio: rtd: Add support for Realtek DHC(Digital Home Center) RTD SoCs") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-...
```diff diff --git a/drivers/gpio/gpio-rtd.c b/drivers/gpio/gpio-rtd.c index a7939bd0aa56..bf7f008f58d7 100644 --- a/drivers/gpio/gpio-rtd.c +++ b/drivers/gpio/gpio-rtd.c @@ -525,18 +525,21 @@ static int rtd_gpio_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct gpio_irq_chip *irq_chip; ...
7c65aa3cc072cee76f577262fbe381a111a98774
Analyze and fix the following issue in the Linux kernel code: dma-debug: fix kernel-doc warnings
Problem Details: Update the kernel-doc comments to catch up with the code changes and fix the kernel-doc warnings: debug.c:83: warning: Excess struct member 'stacktrace' description in 'dma_debug_entry' debug.c:83: warning: Function parameter or struct member 'stack_len' not described in 'dma_debug_entry' debug.c:83: ...
```diff diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 3de494375b7b..08b7f84b76f9 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -62,7 +62,8 @@ enum map_err_types { * @pfn: page frame of the start address * @offset: offset of mapping relative to pfn * @map_err_type: track whether dma_mapp...
34d946b723b53488ab39d8ac540ddf9db255317a
Analyze and fix the following issue in the Linux kernel code: i3c: master: fix kernel-doc check warning
Problem Details: Fix warning found by 'scripts/kernel-doc -v -none include/linux/i3c/master.h' include/linux/i3c/master.h:457: warning: Function parameter or member 'enable_hotjoin' not described in 'i3c_master_controller_ops' include/linux/i3c/master.h:457: warning: Function parameter or member 'disable_hotjoin' not...
```diff diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h index 1ecd73b17ff5..0ca27dd86956 100644 --- a/include/linux/i3c/master.h +++ b/include/linux/i3c/master.h @@ -433,6 +433,8 @@ struct i3c_bus { * for a future IBI * This method is mandatory only if ->request_ibi is not * ...
1213acb478a7181cd73eeaf00db430f1e45b1361
Analyze and fix the following issue in the Linux kernel code: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work
Problem Details: The workqueue might still be running, when the driver is stopped. To avoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop(). Fixes: e542e66b7c2e ("rtl8xxxu: add bluetooth co-existence support for single antenna") Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de> Reviewed-by: Pin...
```diff diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index aac594093629..757ebd46452e 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -7480,6 +7480,7 @@ static ...
38d20c62903d669693a1869aa68c4dd5674e2544
Analyze and fix the following issue in the Linux kernel code: ksmbd: fix UAF issue in ksmbd_tcp_new_connection()
Problem Details: The race is between the handling of a new TCP connection and its disconnection. It leads to UAF on `struct tcp_transport` in ksmbd_tcp_new_connection() function. Cc: stable@vger.kernel.org Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-22991 Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Si...
```diff diff --git a/fs/smb/server/connection.c b/fs/smb/server/connection.c index d311c2ee10bd..09e1e7771592 100644 --- a/fs/smb/server/connection.c +++ b/fs/smb/server/connection.c @@ -416,13 +416,7 @@ static void stop_sessions(void) again: down_read(&conn_list_lock); list_for_each_entry(conn, &conn_list, conns_...
e327b2372bc0f18c30433ac40be07741b59231c5
Analyze and fix the following issue in the Linux kernel code: net: ravb: Fix dma_addr_t truncation in error case
Problem Details: In ravb_start_xmit(), ravb driver uses u32 variable to store result of dma_map_single() call. Since ravb hardware has 32-bit address fields in descriptors, this works properly when mapping is successful - it is platform's job to provide mapping addresses that fit into hardware limitations. However, in...
```diff diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 8649b3e90edb..0e3731f50fc2 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1949,7 +1949,7 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, str...
2539b15d504c3f9fd8ca82032bf9c80c9864412c
Analyze and fix the following issue in the Linux kernel code: hwmon: (npcm750-pwm-fan) Fix crash observed when instantiating nuvoton,npcm750-pwm-fan
Problem Details: Commit 89fec128d5d1 ("hwmon: (npcm750-pwm-fan) Add NPCM8xx support") introduced support for PWM fans on Nuvoton's npcm845 SoC. This chip supports three PWM modules with four PWM channels each. The older npcm750 only supported two PWM modules. The commit did not take into account that the older SoC only...
```diff diff --git a/drivers/hwmon/npcm750-pwm-fan.c b/drivers/hwmon/npcm750-pwm-fan.c index d9733da8ea34..904816abb7c4 100644 --- a/drivers/hwmon/npcm750-pwm-fan.c +++ b/drivers/hwmon/npcm750-pwm-fan.c @@ -195,6 +195,7 @@ struct npcm7xx_cooling_device { struct npcm7xx_pwm_fan_data { void __iomem *pwm_base; void _...
cf2df0080bd59cb97a1519ddefaf59788febdaa5
Analyze and fix the following issue in the Linux kernel code: wifi: ath11k: fix a possible dead lock caused by ab->base_lock
Problem Details: spin_lock()/spin_unlock() are used in ath11k_reg_chan_list_event() to acquire/release ab->base_lock. For now this is safe because that function is only called in soft IRQ context. But ath11k_reg_chan_list_event() will be called from process context in an upcoming patch, and this can result in a deadlo...
```diff diff --git a/drivers/net/wireless/ath/ath11k/reg.c b/drivers/net/wireless/ath/ath11k/reg.c index adcd9063a59c..d4fd3509e608 100644 --- a/drivers/net/wireless/ath/ath11k/reg.c +++ b/drivers/net/wireless/ath/ath11k/reg.c @@ -852,13 +852,13 @@ int ath11k_reg_handle_chan_list(struct ath11k_base *ab, /* Avoid defa...
034ea1305e659ddae44c19ba8449166fec318e2d
Analyze and fix the following issue in the Linux kernel code: net: tls, add test to capture error on large splice
Problem Details: syzbot found an error with how splice() is handled with a msg greater than 32. This was fixed in previous patch, but lets add a test for it to ensure it continues to work. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Mil...
```diff diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c index 464853a7f982..7799e042a971 100644 --- a/tools/testing/selftests/net/tls.c +++ b/tools/testing/selftests/net/tls.c @@ -707,6 +707,20 @@ TEST_F(tls, splice_from_pipe) EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0); } ...
dc9dfc8dc629e42f2234e3327b75324ffc752bc9
Analyze and fix the following issue in the Linux kernel code: net: tls, fix WARNIING in __sk_msg_free
Problem Details: A splice with MSG_SPLICE_PAGES will cause tls code to use the tls_sw_sendmsg_splice path in the TLS sendmsg code to move the user provided pages from the msg into the msg_pl. This will loop over the msg until msg_pl is full, checked by sk_msg_full(msg_pl). The user can also set the MORE flag to hint st...
```diff diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index e37b4d2e2acd..31e8a94dfc11 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -1052,7 +1052,11 @@ alloc_encrypted: if (ret < 0) goto send_end; tls_ctx->pending_open_record_frags = true; - if (full_record || eor || sk_msg_full(msg_pl)) + ...
060177644136bdefd887c61043220f7eb63c2fe6
Analyze and fix the following issue in the Linux kernel code: mailbox: mtk-cmdq: Rename gce_plat variable with SoC name postfix
Problem Details: Rename gce_plat variable postfix from 'v1~v7' to SoC names. Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com> Reviewed-by: CK Hu <ck.hu@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
```diff diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c index c9009b729ab2..6b1e8df8485e 100644 --- a/drivers/mailbox/mtk-cmdq-mailbox.c +++ b/drivers/mailbox/mtk-cmdq-mailbox.c @@ -705,42 +705,42 @@ static const struct dev_pm_ops cmdq_pm_ops = { cmdq_runtime_resume, NULL) }...
b3734a8291ad7fd61e5a51cc540e414bcfbdc0cf
Analyze and fix the following issue in the Linux kernel code: mailbox: zynqmp-ipi: fix an Excess struct member kernel-doc warning
Problem Details: kernel test robot reports 2 Excess struct member warnings: zynqmp-ipi-mailbox.c:92: warning: Excess struct member 'irq' description in 'zynqmp_ipi_mbox' zynqmp-ipi-mailbox.c:112: warning: Excess struct member 'ipi_mboxes' description in 'zynqmp_ipi_pdata' The second one is a false positive that is ca...
```diff diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c b/drivers/mailbox/zynqmp-ipi-mailbox.c index 7fa533e80dd9..a512e2405111 100644 --- a/drivers/mailbox/zynqmp-ipi-mailbox.c +++ b/drivers/mailbox/zynqmp-ipi-mailbox.c @@ -81,7 +81,6 @@ struct zynqmp_ipi_mchan { * @remote_id: remote IPI agent ID * @m...
0a49b66c7413337445553da331aebfb26c95e6a2
Analyze and fix the following issue in the Linux kernel code: dt-bindings: mailbox: zynqmp: extend required list
Problem Details: "xlnx,ipi-id" is handled as required property but is missing from binding doc required list of mailbox child node. Add that to required list. This does not break backward compatibility but bug in bindings document. Fixes: 4a855a957936 ("dt-bindings: mailbox: zynqmp_ipi: convert to yaml") Signed-off-by...
```diff diff --git a/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml index 8b15a0532120..73c180871605 100644 --- a/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.yaml +++ b/Documentation/devicetree/binding...
ee01c0b4384d19ecc5dfa7db3fd4303f965c3eba
Analyze and fix the following issue in the Linux kernel code: mailbox: arm_mhuv2: Fix a bug for mhuv2_sender_interrupt
Problem Details: Message Handling Unit version is v2.1. When arm_mhuv2 working with the data protocol transfer mode. We have split one mhu into two channels, and every channel include four channel windows, the two channels share one gic spi interrupt. There is a problem with the sending scenario. The first channel w...
```diff diff --git a/drivers/mailbox/arm_mhuv2.c b/drivers/mailbox/arm_mhuv2.c index c6d4957c4da8..0ec21dcdbde7 100644 --- a/drivers/mailbox/arm_mhuv2.c +++ b/drivers/mailbox/arm_mhuv2.c @@ -553,7 +553,8 @@ static irqreturn_t mhuv2_sender_interrupt(int irq, void *data) priv = chan->con_priv; if (!IS_PROTOCOL_DOOR...
24583bd204d56d530d98431629d8a8cf021b9339
Analyze and fix the following issue in the Linux kernel code: dt-bindings: mailbox: qcom,apcs-kpss-global: drop duplicated qcom,ipq8074-apcs-apps-global
Problem Details: qcom,ipq8074-apcs-apps-global compatible is listed in two places: with and without fallback. Drop the second case to match DTS. Fixes: 34d8775a0edc ("dt-bindings: mailbox: qcom,apcs-kpss-global: use fallbacks for few variants") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked...
```diff diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml index a38413f8d132..a22c8640dc0e 100644 --- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml +++ b/Documentation/devicetree/bindings/mail...
dbd7db7787ba1743a505a495e479550932836fa4
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Test udp and tcp iter batching
Problem Details: The patch adds a test to exercise the bpf_iter_udp batching logic. It specifically tests the case that there are multiple so_reuseport udp_sk in a bucket of the udp_table. The test creates two sets of so_reuseport sockets and each set on a different port. Meaning there will be two buckets in the udp_t...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c b/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c new file mode 100644 index 000000000000..0c365f36c73b --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/sock_iter_batch.c @@ -0,0 +1,135 @@ +// SPDX-License-Identifier: GPL-2...
2242fd537fab52d5f4d2fbb1845f047c01fad0cf
Analyze and fix the following issue in the Linux kernel code: bpf: Avoid iter->offset making backward progress in bpf_iter_udp
Problem Details: There is a bug in the bpf_iter_udp_batch() function that stops the userspace from making forward progress. The case that triggers the bug is the userspace passed in a very small read buffer. When the bpf prog does bpf_seq_printf, the userspace read buffer is not enough to capture the whole bucket. Wh...
```diff diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 79050d83e736..148ffb007969 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -3137,16 +3137,18 @@ static struct sock *bpf_iter_udp_batch(struct seq_file *seq) struct bpf_udp_iter_state *iter = seq->private; struct udp_iter_state *state = &iter->state; s...
19ca0823f6eaad01d18f664a00550abe912c034c
Analyze and fix the following issue in the Linux kernel code: bpf: iter_udp: Retry with a larger batch size without going back to the previous bucket
Problem Details: The current logic is to use a default size 16 to batch the whole bucket. If it is too small, it will retry with a larger batch size. The current code accidentally does a state->bucket-- before retrying. This goes back to retry with the previous bucket which has already been done. This patch fixed it. ...
```diff diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 5f742d0b9e07..79050d83e736 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -3213,7 +3213,6 @@ again: /* After allocating a larger batch, retry one more time to grab * the whole bucket. */ - state->bucket--; goto again; } done: ```
894d7508316e7ad722df597d68b4b1797a9eee11
Analyze and fix the following issue in the Linux kernel code: net: netdev_queue: netdev_txq_completed_mb(): fix wake condition
Problem Details: netif_txq_try_stop() uses "get_desc >= start_thrs" as the check for the call to netif_tx_start_queue(). Use ">=" i netdev_txq_completed_mb(), too. Fixes: c91c46de6bbc ("net: provide macros for commonly copied lockless queue stop/wake code") Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Acked-...
```diff diff --git a/include/net/netdev_queues.h b/include/net/netdev_queues.h index d68b0a483431..8b8ed4e13d74 100644 --- a/include/net/netdev_queues.h +++ b/include/net/netdev_queues.h @@ -128,7 +128,7 @@ netdev_txq_completed_mb(struct netdev_queue *dev_queue, netdev_txq_completed_mb(txq, pkts, bytes); \ ...
9181d6f8a2bb32d158de66a84164fac05e3ddd18
Analyze and fix the following issue in the Linux kernel code: net: add more sanity check in virtio_net_hdr_to_skb()
Problem Details: syzbot/KMSAN reports access to uninitialized data from gso_features_check() [1] The repro use af_packet, injecting a gso packet and hdrlen == 0. We could fix the issue making gso_features_check() more careful while dealing with NETIF_F_TSO_MANGLEID in fast path. Or we can make sure virtio_net_hdr_to...
```diff diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index 27cc1d464321..4dfa9b69ca8d 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -3,6 +3,8 @@ #define _LINUX_VIRTIO_NET_H #include <linux/if_vlan.h> +#include <linux/ip.h> +#include <linux/ipv6.h> #include <lin...
118a8cf504d7dfa519562d000f423ee3ca75d2c4
Analyze and fix the following issue in the Linux kernel code: erofs: fix inconsistent per-file compression format
Problem Details: EROFS can select compression algorithms on a per-file basis, and each per-file compression algorithm needs to be marked in the on-disk superblock for initialization. However, syzkaller can generate inconsistent crafted images that use an unsupported algorithmtype for specific inodes, e.g. use MicroLZM...
```diff diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c index 021be5feb1bc..af98e88908ee 100644 --- a/fs/erofs/decompressor.c +++ b/fs/erofs/decompressor.c @@ -398,7 +398,7 @@ int z_erofs_parse_cfgs(struct super_block *sb, struct erofs_super_block *dsb) int size, ret = 0; if (!erofs_sb_has_compr_cf...
e18405d0be8001fa4c5f9e61471f6ffd59c7a1b3
Analyze and fix the following issue in the Linux kernel code: net: sched: track device in tcf_block_get/put_ext() only for clsact binder types
Problem Details: Clsact/ingress qdisc is not the only one using shared block, red is also using it. The device tracking was originally introduced by commit 913b47d3424e ("net/sched: Introduce tc block netdev tracking infra") for clsact/ingress only. Commit 94e2557d086a ("net: sched: move block device tracking into tcf_...
```diff diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index e3236a3169c3..92a12e3d0fe6 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -1424,6 +1424,14 @@ static void tcf_block_owner_del(struct tcf_block *block, WARN_ON(1); } +static bool tcf_block_tracks_dev(struct tcf_block *block, + s...
482521d8e0c6520429478aa6866cd44128b33d5d
Analyze and fix the following issue in the Linux kernel code: udp: annotate data-races around up->pending
Problem Details: up->pending can be read without holding the socket lock, as pointed out by syzbot [1] Add READ_ONCE() in lockless contexts, and WRITE_ONCE() on write side. [1] BUG: KCSAN: data-race in udpv6_sendmsg / udpv6_sendmsg write to 0xffff88814e5eadf0 of 4 bytes by task 15547 on cpu 1: udpv6_sendmsg+0x1405/...
```diff diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 89e5a806b82e..5f742d0b9e07 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -805,7 +805,7 @@ void udp_flush_pending_frames(struct sock *sk) if (up->pending) { up->len = 0; - up->pending = 0; + WRITE_ONCE(up->pending, 0); ip_flush_pending_frames(s...
08300adac3b8dab9e2fd3be0155c7d3093c755f4
Analyze and fix the following issue in the Linux kernel code: net: stmmac: Fix ethool link settings ops for integrated PCS
Problem Details: Currently get/set_link_ksettings ethtool ops are dependent on PCS. When PCS is integrated, it will not have separate link config. Bypass configuring and checking PCS for integrated PCS. Fixes: aa571b6275fb ("net: stmmac: add new switch to struct plat_stmmacenet_data") Tested-by: Andrew Halaney <ahalan...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index dd05437b51f9..0f8bfba4443d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -321,8 +321,9 @@ static int st...
ba5afb9a84df2e6b26a1b6389b98849cd16ea757
Analyze and fix the following issue in the Linux kernel code: fs: rework listmount() implementation
Problem Details: Linus pointed out that there's error handling and naming issues in the that we should rewrite: * Perform the access checks for the buffer before actually doing any work instead of doing it during the iteration. * Rename the arguments to listmount() and do_listmount() to clarify what the arguments ...
```diff diff --git a/fs/namespace.c b/fs/namespace.c index ef1fd6829814..437f60e96d40 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -5042,13 +5042,12 @@ static struct mount *listmnt_next(struct mount *curr) return node_to_mount(rb_next(&curr->mnt_node)); } -static ssize_t do_listmount(struct mount *first, st...
7b4f36cd22a65b750b4cb6ac14804fb7d6e6c67d
Analyze and fix the following issue in the Linux kernel code: block: ensure we hold a queue reference when using queue limits
Problem Details: q_usage_counter is the only thing preventing us from the limits changing under us in __bio_split_to_limits, but blk_mq_submit_bio doesn't hold it while calling into it. Move the splitting inside the region where we know we've got a queue reference. Ideally this could still remain a shared section of c...
```diff diff --git a/block/blk-mq.c b/block/blk-mq.c index f57b86d6de6a..e02c4b1af8c5 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2964,12 +2964,6 @@ void blk_mq_submit_bio(struct bio *bio) blk_status_t ret; bio = blk_queue_bounce(bio, q); - if (bio_may_exceed_limits(bio, &q->limits)) { - bio = __bio_spl...
c919330dd57835970b37676d377de3eaaea2c1e9
Analyze and fix the following issue in the Linux kernel code: f2fs: fix double free of f2fs_sb_info
Problem Details: kill_f2fs_super() is called even if f2fs_fill_super() fails. f2fs_fill_super() frees the struct f2fs_sb_info, so it must set sb->s_fs_info to NULL to prevent it from being freed again. Fixes: 275dca4630c1 ("f2fs: move release of block devices to after kill_block_super()") Reported-by: <syzbot+8f477ac...
```diff diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index d00d21a8b53a..d45ab0992ae5 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -4880,6 +4880,7 @@ free_sbi: if (sbi->s_chksum_driver) crypto_free_shash(sbi->s_chksum_driver); kfree(sbi); + sb->s_fs_info = NULL; /* give only one another chance */ ...
724b00c12957973656d312dce2a110c75ae2c680
Analyze and fix the following issue in the Linux kernel code: mptcp: refine opt_mp_capable determination
Problem Details: OPTIONS_MPTCP_MPC is a combination of three flags. It would be better to be strict about testing what flag is expected, at least for code readability. mptcp_parse_option() already makes the distinction. - subflow_check_req() should use OPTION_MPTCP_MPC_SYN. - mptcp_subflow_init_cookie_req() should ...
```diff diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 13039ac8d1ab..1117d1e84274 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -157,7 +157,7 @@ static int subflow_check_req(struct request_sock *req, mptcp_get_options(skb, &mp_opt); - opt_mp_capable = !!(mp_opt.suboptions & OPTIONS_M...