Commit 9298e52f authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: fix user ptr race condition 



Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarmonk liu <monk.liu@amd.com>
parent 25f45e63

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

+1 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ void amdgpu_gem_object_free(struct drm_gem_object *gobj) 
	if (robj) {

		if (robj->gem_base.import_attach)

			drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);

		amdgpu_mn_unregister(robj);

		amdgpu_bo_unref(&robj);

	}

}

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

+0 −1
Original line number Diff line number Diff line
@@ -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);