drm/amdgpu: fix user ptr race condition

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: monk liu <monk.liu@amd.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 7d801e016e31..8da64245b31b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -95,7 +95,6 @@ static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
         bo = container_of(tbo, struct amdgpu_bo, tbo);
 
         amdgpu_update_memory_usage(bo->adev, &bo->tbo.mem, NULL);
-        amdgpu_mn_unregister(bo);
 
         mutex_lock(&bo->adev->gem.mutex);
         list_del_init(&bo->list);