From 6241e8a3821d971755217652dff01f3a45580820 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sun, 9 Jun 2013 17:25:39 +0200
Subject: [PATCH] id2v2: check the return value of decode_str()

Fixes CID1030348
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/id3v2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c
index 74d637554f..4bc76a321c 100644
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -527,7 +527,8 @@ static void read_chapter(AVFormatContext *s, AVIOContext *pb, int len, char *tta
     int taglen;
     char tag[5];
 
-    decode_str(s, pb, 0, &dst, &len);
+    if (decode_str(s, pb, 0, &dst, &len) < 0)
+        return;
     if (len < 16)
         return;