diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index cc6dca2581a6..dcb2d3859cf1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -90,10 +90,13 @@ struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev, struct amdgpu_bo_list_entry *list; unsigned i, idx; + mutex_lock(&vm->mutex); list = drm_malloc_ab(vm->max_pde_used + 2, sizeof(struct amdgpu_bo_list_entry)); - if (!list) + if (!list) { + mutex_unlock(&vm->mutex); return NULL; + } /* add the vm page table to the list */ list[0].robj = vm->page_directory; @@ -116,6 +119,7 @@ struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev, list[idx].tv.shared = true; list_add(&list[idx++].tv.head, head); } + mutex_unlock(&vm->mutex); return list; } |