From c679a1c358c30ec38ae3b1ac3ee2c62efc2f32e2 Mon Sep 17 00:00:00 2001
From: Alexander Strasser <eclipse7@gmx.net>
Date: Sun, 16 Jun 2013 20:31:08 +0200
Subject: [PATCH] lavfi/src_movie: Check pointer is not NULL before deref

Also do not check against empty string, the lower levels should
be able to deal with it.

Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
---
 libavfilter/src_movie.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/src_movie.c b/libavfilter/src_movie.c
index af5db7a8d9..f52d3a42c6 100644
--- a/libavfilter/src_movie.c
+++ b/libavfilter/src_movie.c
@@ -197,7 +197,7 @@ static av_cold int movie_common_init(AVFilterContext *ctx)
     char name[16];
     AVStream *st;
 
-    if (!*movie->file_name) {
+    if (!movie->file_name) {
         av_log(ctx, AV_LOG_ERROR, "No filename provided!\n");
         return AVERROR(EINVAL);
     }