drm/atomic: Delete an unnecessary check before drm_property_unreference_blob()

The drm_property_unreference_blob() function tests whether its argument
is NULL and then returns immediately.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/aa4cd508-38c3-78d7-a9f2-70e3b06a8fb5@users.sourceforge.net
This commit is contained in:
Markus Elfring 2016-07-20 17:54:32 +02:00 committed by Sean Paul
parent 3694c5c3de
commit f35cbe6a17

View file

@ -404,8 +404,7 @@ drm_atomic_replace_property_blob(struct drm_property_blob **blob,
if (old_blob == new_blob)
return;
if (old_blob)
drm_property_unreference_blob(old_blob);
drm_property_unreference_blob(old_blob);
if (new_blob)
drm_property_reference_blob(new_blob);
*blob = new_blob;