From d00bff20b2b48796e4bd2d0b83819c159f60a25f Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 2 Mar 2006 21:47:53 +0000
Subject: [PATCH] fix infinite loop

Originally committed as revision 5102 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/qdm2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c
index 98bec5cca45..3645f43e2f2 100644
--- a/libavcodec/qdm2.c
+++ b/libavcodec/qdm2.c
@@ -2008,8 +2008,10 @@ static int qdm2_decode_frame(AVCodecContext *avctx,
 {
     QDM2Context *s = avctx->priv_data;
 
-    if((buf == NULL) || (buf_size < s->checksum_size))
+    if(!buf)
         return 0;
+    if(buf_size < s->checksum_size)
+        return -1;
 
     *data_size = s->channels * s->frame_size * sizeof(int16_t);
 
-- 
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