diff mbox

[2/2] drm/ttm: Use kref_sub instead of repeatedly calling kref_put

Message ID 1289917268-4922-3-git-send-email-thellstrom@vmware.com (mailing list archive)
State New, archived
Headers show

Commit Message

Thomas Hellstrom Nov. 16, 2010, 2:21 p.m. UTC
None
diff mbox

Patch

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index a586378..9ef893d 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -266,10 +266,8 @@  static void ttm_bo_ref_bug(struct kref *list_kref)
 void ttm_bo_list_ref_sub(struct ttm_buffer_object *bo, int count,
 			 bool never_free)
 {
-	while (count--)
-		kref_put(&bo->list_kref,
-			 (never_free || (count >= 0)) ? ttm_bo_ref_bug :
-			 ttm_bo_release_list);
+	kref_sub(&bo->list_kref, count,
+		 (never_free) ? ttm_bo_ref_bug : ttm_bo_release_list);
 }
 
 int ttm_bo_reserve(struct ttm_buffer_object *bo,