diff options
| author | Junwei Zhang <Jerry.Zhang@amd.com> | 2018-04-23 17:21:21 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-15 13:43:49 -0500 |
| commit | 8239f57ac3e9bf9ad0cf4d396ebfa721e91ac611 (patch) | |
| tree | c22812b8f84c2b02ffad161e05d12ab1f025fa93 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | 6c8d74caa2fa33908ecd07fb1cf1b7bc629b367a (diff) | |
drm/amdgpu: bo could be null when access in vm bo update
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: David Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 6a372ca11ee3..1c00f1a56e8b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1509,7 +1509,6 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct drm_mm_node *nodes; struct dma_fence *exclusive, **last_update; uint64_t flags; - uint32_t mem_type; int r; if (clear || !bo_va->base.bo) { @@ -1568,9 +1567,9 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, * the evicted list so that it gets validated again on the * next command submission. */ - mem_type = bo->tbo.mem.mem_type; if (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv && - !(bo->preferred_domains & amdgpu_mem_type_to_domain(mem_type))) + !(bo->preferred_domains & + amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type))) list_add_tail(&bo_va->base.vm_status, &vm->evicted); spin_unlock(&vm->status_lock); |