drm/ttm: fix memory leak while individualizing BOs

We need to free the reservation object before we take the BO
from the delayed delete list.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index bee77d3..d79607a 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -557,6 +557,8 @@ static int ttm_bo_cleanup_refs_and_unlock(struct ttm_buffer_object *bo,
        }
 
        ttm_bo_del_from_lru(bo);
+       if (!list_empty(&bo->ddestroy) && (bo->resv != &bo->ttm_resv))
+               reservation_object_fini(&bo->ttm_resv);
        list_del_init(&bo->ddestroy);
        kref_put(&bo->list_kref, ttm_bo_ref_bug);