From dccda293a0576d5414fafc0e95615c82a2f2399f Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 10 Nov 2009 02:51:47 +0000
Subject: [PATCH] Add a NULL pointer check to avcodec_close() this should
 prevent a segfault when closing without open.

Originally committed as revision 20495 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 2f18848a9a..ddd11606dc 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -675,7 +675,7 @@ int avcodec_close(AVCodecContext *avctx)
 
     if (HAVE_THREADS && avctx->thread_opaque)
         avcodec_thread_free(avctx);
-    if (avctx->codec->close)
+    if (avctx->codec && avctx->codec->close)
         avctx->codec->close(avctx);
     avcodec_default_free_buffers(avctx);
     av_freep(&avctx->priv_data);