From e825b5009f88a2ac78d05f960a747ddc6ad4ed22 Mon Sep 17 00:00:00 2001
From: Joakim Plate <elupus@ecce.se>
Date: Wed, 20 Dec 2006 23:33:50 +0000
Subject: [PATCH] Fix a crash when probing img2 format with a NULL filename.
 patch by elupus _at_ ecce.se

Originally committed as revision 7335 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/img2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/img2.c b/libavformat/img2.c
index 7708584..c2538d1 100644
--- a/libavformat/img2.c
+++ b/libavformat/img2.c
@@ -154,7 +154,7 @@ static int find_image_range(int *pfirst_index, int *plast_index,
 
 static int image_probe(AVProbeData *p)
 {
-    if (av_str2id(img_tags, p->filename)) {
+    if (p->filename && av_str2id(img_tags, p->filename)) {
         if (av_filename_number_test(p->filename))
             return AVPROBE_SCORE_MAX;
         else
-- 
2.7.4