From 0d6605c7ef43f97a88950542af09078adef33b6d Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 11 Dec 2012 14:43:47 +0100
Subject: mxf: Fix a possible leak of extradata

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---
 libavformat/mxfdec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 7314ddaffc..d3897fad90 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -858,6 +858,8 @@ static int mxf_read_generic_descriptor(void *arg, AVIOContext *pb, int tag, int
     default:
         /* Private uid used by SONY C0023S01.mxf */
         if (IS_KLV_KEY(uid, mxf_sony_mpeg4_extradata)) {
+            av_free(descriptor->extradata);
+            descriptor->extradata_size = 0;
             descriptor->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
             if (!descriptor->extradata)
                 return AVERROR(ENOMEM);
-- 
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