From: Christian König Date: Fri, 6 Oct 2023 12:04:04 +0000 (+0200) Subject: drm/amdgpu: add missing NULL check X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=a61d905a86879427e330a5a66cba8b2330dac4d1;p=kernel.git drm/amdgpu: add missing NULL check commit ff89f064dca38e2203790bf876cc7756b8ab2961 upstream. bo->tbo.resource can easily be NULL here. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2902 Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher CC: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 93207badf83f3..6dcd7bab42fbb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -220,7 +220,7 @@ static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo) struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); struct amdgpu_res_cursor cursor; - if (bo->tbo.resource->mem_type != TTM_PL_VRAM) + if (!bo->tbo.resource || bo->tbo.resource->mem_type != TTM_PL_VRAM) return false; amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);