[PATCH] drm/ttm: fix memory leak while individualizing BOs

[Christian König]

From: Christian König <christian.koenig at amd.com>

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

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index bee77d3..d79607a 100644
--- 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);
 
-- 
2.7.4