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

From: Fabian Frederick
Date: Sat Jun 28 2014 - 09:22:10 EST


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

Cc: David Airlie <airlied@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/