From: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Date: Sun, 23 Dec 2007 13:16:55 +0000 (+0000)
Subject: 100l, av_read_packet must check for read_packet error, in case of
X-Git-Tag: v0.5~6666
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=88b00723906f68b7563214c30333e48888dddf78;p=platform%2Fupstream%2Flibav.git

100l, av_read_packet must check for read_packet error, in case of
error pkt->stream_index could be invalid and must not be used.
Fixes a crash with http://www.cs.berkeley.edu/~dmolnar/2-snippet3.wav

Originally committed as revision 11307 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 59dc8db..dabe025 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -497,6 +497,8 @@ int av_read_packet(AVFormatContext *s, AVPacket *pkt)
     AVStream *st;
     av_init_packet(pkt);
     ret= s->iformat->read_packet(s, pkt);
+    if (ret < 0)
+        return ret;
     st= s->streams[pkt->stream_index];
 
     switch(st->codec->codec_type){