fixed an use of uninitialized value

diff --git a/src/metadata.c b/src/metadata.c
index c0a8082..eb8c861 100644 (file)
--- a/src/metadata.c
+++ b/src/metadata.c
@@ -334,7 +334,7 @@ static gboolean metadata_legacy_write(FileData *fd)
 
        have_keywords = g_hash_table_lookup_extended(fd->modified_xmp, KEYWORD_KEY, NULL, &keywords);
        have_comment = g_hash_table_lookup_extended(fd->modified_xmp, COMMENT_KEY, NULL, &comment_l);
-       comment = comment_l ? ((GList *)comment_l)->data : NULL;
+       comment = (have_comment && comment_l) ? ((GList *)comment_l)->data : NULL;
        
        if (!have_keywords || !have_comment) metadata_file_read(metadata_pathl, &orig_keywords, &orig_comment);