diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2023-10-17 16:51:03 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-19 18:26:52 -0400 |
| commit | e6f8588733342c61948fde673a862b53c0d972bc (patch) | |
| tree | 6e1ff29b54963c9d28ca0d9e1f81a008ca1b8c33 | |
| parent | b1338a8e71acaf68892b390dee0271fe7323b64d (diff) | |
drm/amdgpu: Fix possible null pointer dereference
abo->tbo.resource may be NULL in amdgpu_vm_bo_update.
Fixes: 180253782038 ("drm/ttm: stop allocating dummy resources during BO creation")
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index afc19341334f..f3c9f93d8899 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1090,7 +1090,8 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, struct drm_gem_object *gobj = dma_buf->priv; struct amdgpu_bo *abo = gem_to_amdgpu_bo(gobj); - if (abo->tbo.resource->mem_type == TTM_PL_VRAM) + if (abo->tbo.resource && + abo->tbo.resource->mem_type == TTM_PL_VRAM) bo = gem_to_amdgpu_bo(gobj); } mem = bo->tbo.resource; |