From aa3f2cb58462aed387625189e3dabf91b9fbd3e6 Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Thu, 5 Apr 2012 16:48:33 +0200
Subject: [PATCH] mpegaudiodec: Do not discard mp_decode_frame() return value.
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This fixes the warning:
libavcodec/mpegaudiodec.c:1704:14: warning: variable ‘out_size’ set but not used
---
 libavcodec/mpegaudiodec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index 0ab87e1a96..f72e65cb0e 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -1733,6 +1733,10 @@ static int decode_frame_adu(AVCodecContext *avctx, void *data,
     s->frame_size = len;
 
     out_size = mp_decode_frame(s, NULL, buf, buf_size);
+    if (out_size < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Error while decoding MPEG audio frame.\n");
+        return AVERROR_INVALIDDATA;
+    }
 
     *got_frame_ptr   = 1;
     *(AVFrame *)data = s->frame;