From cd41a73f89708bcccf8c4d4b9857ea5ef529e1a1 Mon Sep 17 00:00:00 2001
From: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Date: Mon, 4 Feb 2008 12:13:09 +0000
Subject: Fix a possible use of an uninitialized pointer.

Originally committed as revision 11857 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/sierravmd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'libavformat/sierravmd.c')

diff --git a/libavformat/sierravmd.c b/libavformat/sierravmd.c
index 0f5063471c..5e68a81c43 100644
--- a/libavformat/sierravmd.c
+++ b/libavformat/sierravmd.c
@@ -73,7 +73,7 @@ static int vmd_read_header(AVFormatContext *s,
 {
     VmdDemuxContext *vmd = s->priv_data;
     ByteIOContext *pb = s->pb;
-    AVStream *st, *vst;
+    AVStream *st = NULL, *vst;
     unsigned int toc_offset;
     unsigned char *raw_frame_table;
     int raw_frame_table_size;
@@ -181,6 +181,7 @@ static int vmd_read_header(AVFormatContext *s,
                 continue;
             switch(type) {
             case 1: /* Audio Chunk */
+                if (!st) break;
                 /* first audio chunk contains several audio buffers */
                 if(current_audio_pts){
                     vmd->frame_table[total_frames].frame_offset = current_offset;
-- 
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