From 0db6bbb24c1a9f6b5527f460361a5a4132248eee Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Wed, 15 Oct 2014 02:35:55 +0200
Subject: [PATCH] avformat: Make avformat_free_context handle NULL
Work as the other free()-like functions.
Bug-Id: CID 1087081
CC: libav-stable@libav.org
---
libavformat/utils.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index ef2d89f076..3ea0ebd9d6 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -2434,6 +2434,9 @@ void avformat_free_context(AVFormatContext *s)
int i, j;
AVStream *st;
+ if (!s)
+ return;
+
av_opt_free(s);
if (s->iformat && s->iformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);