fix a bug in update if unable to open mp4 file, would cause a segfault

git-svn-id: https://svn.musicpd.org/mpd/trunk@1025 09075e82-0dd4-0310-85a5-a0d7c8717e4f

fix a bug in update if unable to open mp4 file, would cause a segfault
12d3bd07 · Warren Dukes · c34d372a · 12d3bd07
Commit 12d3bd07 authored May 15, 2004 by Warren Dukes
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tag.c src/tag.c +1 -0

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--- a/src/tag.c
+++ b/src/tag.c
@@ -285,6 +285,7 @@ MpdTag * mp4TagDup(char * utf8file) {
 	int mp4MetadataFound = 0;

 	ret = mp4DataDup(utf8file,&mp4MetadataFound);
+        if(!ret) return NULL;
 	if(!mp4MetadataFound) {
 		MpdTag * temp = id3Dup(utf8file);
 		if(temp) {