fixed possible crash

diff --git a/src/metadata.c b/src/metadata.c
index 417617e..80b4eb8 100644 (file)
--- a/src/metadata.c
+++ b/src/metadata.c
@@ -1159,7 +1159,7 @@ static void keyword_hide_unset_in_recursive(GtkTreeStore *keyword_tree, GtkTreeI
 void keyword_hide_unset_in(GtkTreeStore *keyword_tree, gpointer id, GList *keywords)
 {
        GtkTreeIter iter;
-       gtk_tree_model_get_iter_first(GTK_TREE_MODEL(keyword_tree), &iter);
+       if (!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(keyword_tree), &iter)) return;
        keyword_hide_unset_in_recursive(keyword_tree, &iter, id, keywords);
 }