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Commit 12f1384d authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/radeon: fix user ptr race condition 



Port of amdgpu patch 9298e52f.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 233709d2

drivers/gpu/drm/radeon/radeon_gem.c

+1 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ void radeon_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);

		radeon_mn_unregister(robj);

		radeon_bo_unref(&robj);

	}

}

drivers/gpu/drm/radeon/radeon_object.c

+0 −1
Original line number Diff line number Diff line
@@ -75,7 +75,6 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo) 
	bo = container_of(tbo, struct radeon_bo, tbo);



	radeon_update_memory_usage(bo, bo->tbo.mem.mem_type, -1);

	radeon_mn_unregister(bo);



	mutex_lock(&bo->rdev->gem.mutex);

	list_del_init(&bo->list);