From a82dcdffb27b74986c75b6313bbc245535c39c49 Mon Sep 17 00:00:00 2001
From: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Date: Sat, 26 Apr 2008 12:39:45 +0000
Subject: [PATCH] return error if buf_size is too small

Originally committed as revision 12981 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/mpegaudiodec.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index feae64e0d1..3d071627be 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -2570,11 +2570,10 @@ static int decode_frame_mp3on4(AVCodecContext * avctx,
 
     len = buf_size;
 
+    *data_size = 0;
     // Discard too short frames
-    if (buf_size < HEADER_SIZE) {
-        *data_size = 0;
-        return buf_size;
-    }
+    if (buf_size < HEADER_SIZE)
+        return -1;
 
     // If only one decoder interleave is not needed
     outptr = s->frames == 1 ? out_samples : decoded_buf;