From: Wang Xin-yu (王昕宇) <comicfans44@gmail.com>
Date: Wed, 20 Aug 2014 01:37:01 +0000 (+0800)
Subject: gl: check null before unref GstGLDisplay
X-Git-Tag: accepted/tizen/unified/20220217.153506~2^2~10^2~9^2~12^2~2^2~259
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dad05c201ea804225155f778ae5d15d912d4d249;p=platform%2Fupstream%2Fgstreamer.git

gl: check null before unref GstGLDisplay
---

diff --git a/gst-libs/gst/gl/gstglutils.c b/gst-libs/gst/gl/gstglutils.c
index 2e1b0dd..c2ea06f 100644
--- a/gst-libs/gst/gl/gstglutils.c
+++ b/gst-libs/gst/gl/gstglutils.c
@@ -770,7 +770,9 @@ gst_gl_handle_set_context (GstElement * element, GstContext * context,
   if (replacement) {
     GstGLDisplay *old = *display;
     *display = replacement;
-    gst_object_unref (old);
+
+    if (old)
+      gst_object_unref (old);
   }
 
   return TRUE;