CC: [email protected] BCC: [email protected] CC: [email protected] TO: yipechai <[email protected]> CC: Alex Deucher <[email protected]> CC: Tao Zhou <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 90ea17a9e27b5778ec517efb1ce0b81d36905654 commit: 1f211a827cbda87bd0ec145a1f44f2615c3f56d3 drm/amdgpu: centrally calls the .ras_fini function of all ras blocks date: 6 weeks ago :::::: branch date: 4 hours ago :::::: commit date: 6 weeks ago compiler: alpha-linux-gcc (GCC) 11.2.0 reproduce (cppcheck warning): # apt-get install cppcheck git checkout 1f211a827cbda87bd0ec145a1f44f2615c3f56d3 cppcheck --quiet --enable=style,performance,portability --template=gcc FILE If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> cppcheck possible warnings: (new ones prefixed by >>, may not real problems) drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1443:42: warning: Uninitialized variable: obj->head [uninitvar] if (amdgpu_ras_is_supported(adev, obj->head.block) && ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1437:35: note: Assuming condition is false if (!IS_ENABLED(CONFIG_DEBUG_FS) || !con) ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1443:42: note: Uninitialized variable: obj->head if (amdgpu_ras_is_supported(adev, obj->head.block) && ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2508:44: warning: Uninitialized variable: obj->head [uninitvar] if (!amdgpu_ras_is_supported(adev, obj->head.block)) { ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2488:25: note: Assuming condition is false if (!adev->ras_enabled || !con) { ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2508:44: note: Uninitialized variable: obj->head if (!amdgpu_ras_is_supported(adev, obj->head.block)) { ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2537:14: warning: Uninitialized variable: node->ras_obj [uninitvar] if (!node->ras_obj) { ^ >> drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2582:17: warning: Uninitialized >> variable: ras_node->ras_obj [uninitvar] if (ras_node->ras_obj) { ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2578:25: note: Assuming condition is false if (!adev->ras_enabled || !con) ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2582:17: note: Uninitialized variable: ras_node->ras_obj if (ras_node->ras_obj) { ^ >> drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2584:38: warning: Uninitialized >> variable: obj [uninitvar] if (amdgpu_ras_is_supported(adev, obj->ras_comm.block) && ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2578:25: note: Assuming condition is false if (!adev->ras_enabled || !con) ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2583:18: note: Assignment 'obj=ras_node->ras_obj', assigned value is <Uninit> obj = ras_node->ras_obj; ^ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:2584:38: note: Uninitialized variable: obj if (amdgpu_ras_is_supported(adev, obj->ras_comm.block) && ^ vim +2582 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c c030f2e4166c3f xinhui pan 2018-10-31 2571 c030f2e4166c3f xinhui pan 2018-10-31 2572 int amdgpu_ras_fini(struct amdgpu_device *adev) c030f2e4166c3f xinhui pan 2018-10-31 2573 { d5e8ff5f7b2a41 yipechai 2022-01-29 2574 struct amdgpu_ras_block_list *ras_node, *tmp; 1f211a827cbda8 yipechai 2022-02-14 2575 struct amdgpu_ras_block_object *obj = NULL; c030f2e4166c3f xinhui pan 2018-10-31 2576 struct amdgpu_ras *con = amdgpu_ras_get_context(adev); c030f2e4166c3f xinhui pan 2018-10-31 2577 8ab0d6f030bab4 Luben Tuikov 2021-05-04 2578 if (!adev->ras_enabled || !con) c030f2e4166c3f xinhui pan 2018-10-31 2579 return 0; c030f2e4166c3f xinhui pan 2018-10-31 2580 1f211a827cbda8 yipechai 2022-02-14 2581 list_for_each_entry_safe(ras_node, tmp, &adev->ras_list, node) { 1f211a827cbda8 yipechai 2022-02-14 @2582 if (ras_node->ras_obj) { 1f211a827cbda8 yipechai 2022-02-14 2583 obj = ras_node->ras_obj; 1f211a827cbda8 yipechai 2022-02-14 @2584 if (amdgpu_ras_is_supported(adev, obj->ras_comm.block) && 1f211a827cbda8 yipechai 2022-02-14 2585 obj->ras_fini) 1f211a827cbda8 yipechai 2022-02-14 2586 obj->ras_fini(adev, &obj->ras_comm); 1f211a827cbda8 yipechai 2022-02-14 2587 } 1f211a827cbda8 yipechai 2022-02-14 2588 1f211a827cbda8 yipechai 2022-02-14 2589 /* Clear ras blocks from ras_list and free ras block list node */ 1f211a827cbda8 yipechai 2022-02-14 2590 list_del(&ras_node->node); 1f211a827cbda8 yipechai 2022-02-14 2591 kfree(ras_node); 1f211a827cbda8 yipechai 2022-02-14 2592 } 1f211a827cbda8 yipechai 2022-02-14 2593 c030f2e4166c3f xinhui pan 2018-10-31 2594 amdgpu_ras_fs_fini(adev); c030f2e4166c3f xinhui pan 2018-10-31 2595 amdgpu_ras_interrupt_remove_all(adev); c030f2e4166c3f xinhui pan 2018-10-31 2596 c030f2e4166c3f xinhui pan 2018-10-31 2597 WARN(con->features, "Feature mask is not cleared"); c030f2e4166c3f xinhui pan 2018-10-31 2598 c030f2e4166c3f xinhui pan 2018-10-31 2599 if (con->features) c030f2e4166c3f xinhui pan 2018-10-31 2600 amdgpu_ras_disable_all_features(adev, 1); c030f2e4166c3f xinhui pan 2018-10-31 2601 05adfd80cc52e0 Luben Tuikov 2021-05-21 2602 cancel_delayed_work_sync(&con->ras_counte_delay_work); 05adfd80cc52e0 Luben Tuikov 2021-05-21 2603 c030f2e4166c3f xinhui pan 2018-10-31 2604 amdgpu_ras_set_context(adev, NULL); c030f2e4166c3f xinhui pan 2018-10-31 2605 kfree(con); c030f2e4166c3f xinhui pan 2018-10-31 2606 c030f2e4166c3f xinhui pan 2018-10-31 2607 return 0; c030f2e4166c3f xinhui pan 2018-10-31 2608 } 7c6e68c777f109 Andrey Grodzovsky 2019-09-13 2609 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
