[PATCH 1/1] drivers/gpu/drm/drm_buffer.c: remove unnecessary null test before kfree

[Fabian Frederick]

This patch removes special case of last element and loops from idx to 0.

Cc: David Airlie <airlied at linux.ie>
Cc: dri-devel at lists.freedesktop.org
Signed-off-by: Fabian Frederick <fabf at skynet.be>
---

This is untested.

 drivers/gpu/drm/drm_buffer.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_buffer.c b/drivers/gpu/drm/drm_buffer.c
index 0406110..86a4a4a 100644
--- a/drivers/gpu/drm/drm_buffer.c
+++ b/drivers/gpu/drm/drm_buffer.c
@@ -80,11 +80,7 @@ int drm_buffer_alloc(struct drm_buffer **buf, int size)
 
 error_out:
 
-	/* Only last element can be null pointer so check for it first. */
-	if ((*buf)->data[idx])
-		kfree((*buf)->data[idx]);
-
-	for (--idx; idx >= 0; --idx)
+	for (; idx >= 0; --idx)
 		kfree((*buf)->data[idx]);
 
 	kfree(*buf);
-- 
1.8.4.5