From 49c207b8205bf018bd3afff9b26222178f111bbc Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Thu, 5 Jan 2012 11:00:12 +0100
Subject: ffprobe: fix NULL pointer dereference in writer_close()

Fix crash.
---
 ffprobe.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'ffprobe.c')

diff --git a/ffprobe.c b/ffprobe.c
index ee3c899ce8..77c343a96a 100644
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -178,9 +178,11 @@ static const AVClass writer_class = {
 
 static void writer_close(WriterContext **wctx)
 {
-    if (*wctx && (*wctx)->writer->uninit)
-        (*wctx)->writer->uninit(*wctx);
+    if (!*wctx)
+        return;
 
+    if ((*wctx)->writer->uninit)
+        (*wctx)->writer->uninit(*wctx);
     av_freep(&((*wctx)->priv));
     av_freep(wctx);
 }
-- 
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