From bb99ae3ae924c942a634bec7711ec7ee11c38eb9 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 3 Nov 2011 22:38:10 +0100
Subject: [PATCH] lavf: fix null pointer dereference in rdt
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavformat/utils.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 855992e2aa4..43991765df7 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -607,6 +607,9 @@ static int init_input(AVFormatContext *s, const char *filename)
int ret;
AVProbeData pd = {filename, NULL, 0};
+ if(s->iformat && !strlen(filename))
+ return 0;
+
if (s->pb) {
s->flags |= AVFMT_FLAG_CUSTOM_IO;
if (!s->iformat)
--
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