From bd78b9416d54fe0b3f4a69907420c7fa3ebc4ff8 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 22 Dec 2014 11:51:55 +0100
Subject: [PATCH] avformat/riffdec: Use av_freep() to avoid leaving stale
 pointers in memory

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/riffdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/riffdec.c b/libavformat/riffdec.c
index 88e2229a77..fd3b583af2 100644
--- a/libavformat/riffdec.c
+++ b/libavformat/riffdec.c
@@ -114,7 +114,7 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
             size   -= 22;
         }
         if (cbSize > 0) {
-            av_free(codec->extradata);
+            av_freep(&codec->extradata);
             if (ff_get_extradata(codec, pb, cbSize) < 0)
                 return AVERROR(ENOMEM);
             size -= cbSize;