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drm/amdgpu: add missing NULL check

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commit ff89f064dc upstream.

bo->tbo.resource can easily be NULL here.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2902
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian König
2023-10-06 14:04:04 +02:00
committed by Greg Kroah-Hartman
parent f9a1af37b8
commit 9cb61ab9f4
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
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@@ -221,7 +221,7 @@ 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);