From: Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
Date: Thu, 19 Jan 2012 15:40:22 +0000 (+0100)
Subject: streamsynchronizer: avoid unlikely NULL dereference
X-Git-Tag: RELEASE-0.11.2~2^2~22
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=71f70c98efe99aeea191f5c538bd269706928499;p=platform%2Fupstream%2Fgst-plugins-base.git

streamsynchronizer: avoid unlikely NULL dereference
---

diff --git a/gst/playback/gststreamsynchronizer.c b/gst/playback/gststreamsynchronizer.c
index b71dcb305..8b80a6b1d 100644
--- a/gst/playback/gststreamsynchronizer.c
+++ b/gst/playback/gststreamsynchronizer.c
@@ -620,7 +620,8 @@ gst_stream_synchronizer_sink_chain (GstPad * pad, GstBuffer * buffer)
   GST_STREAM_SYNCHRONIZER_LOCK (self);
   stream = gst_pad_get_element_private (pad);
 
-  stream->seen_data = TRUE;
+  if (stream)
+    stream->seen_data = TRUE;
   if (stream && stream->drop_discont) {
     buffer = gst_buffer_make_metadata_writable (buffer);
     GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DISCONT);