drm/ttm: fix memory leak while individualizing BOs

Submitted by Christian König on Sept. 13, 2017, 8:47 a.m.

Details

Message ID 1505292454-22259-1-git-send-email-deathsimple@vodafone.de
State New
Headers show
Series "drm/ttm: fix memory leak while individualizing BOs" ( rev: 1 ) in AMD X.Org drivers

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Commit Message

Christian König Sept. 13, 2017, 8:47 a.m.
From: Christian König <christian.koenig@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@amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 2 ++
 1 file changed, 2 insertions(+)

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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);