From 346db900bf4cefe8ebefe7a51c01d80d6a7d2e3e Mon Sep 17 00:00:00 2001
From: Thorsten Jordan <tjordan@ macrosystem.de>
Date: Wed, 7 Nov 2007 08:34:00 +0000
Subject: [PATCH] Check context before accessing its field. Patch by Thorsten
 Jordan: tjordan macrosystem de

Originally committed as revision 10939 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/avio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/avio.c b/libavformat/avio.c
index 23642db90a..177e91d735 100644
--- a/libavformat/avio.c
+++ b/libavformat/avio.c
@@ -133,6 +133,7 @@ offset_t url_seek(URLContext *h, offset_t pos, int whence)
 int url_close(URLContext *h)
 {
     int ret;
+    if (!h) return 0; /* can happen when url_open fails */
 
     ret = h->prot->url_close(h);
     av_free(h);