From 0051e3c233357b243d598681c93bd5e8795b9104 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 15 Dec 2014 15:48:35 +0100
Subject: [PATCH] avformat/rtpdec_mpeg4: Use av_freep() to avoid leaving stale
 extradata pointer

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/rtpdec_mpeg4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/rtpdec_mpeg4.c b/libavformat/rtpdec_mpeg4.c
index 53921f2e97..6ab3e64789 100644
--- a/libavformat/rtpdec_mpeg4.c
+++ b/libavformat/rtpdec_mpeg4.c
@@ -104,7 +104,7 @@ static int parse_fmtp_config(AVCodecContext *codec, char *value)
 {
     /* decode the hexa encoded parameter */
     int len = ff_hex_to_data(NULL, value);
-    av_free(codec->extradata);
+    av_freep(&codec->extradata);
     if (ff_alloc_extradata(codec, len))
         return AVERROR(ENOMEM);
     ff_hex_to_data(codec->extradata, value);