filter: Add a missing precondition

2019-12-08 13:08:30 -05:00
parent 08beaa6448
commit e1ab8db88d
1 changed files with 2 additions and 0 deletions
--- a/gtk/gtkfilters.c
+++ b/gtk/gtkfilters.c
@@ -255,6 +255,8 @@ gtk_any_filter_remove (GtkAnyFilter *self,
  GSequenceIter *iter;
  guint length;

+  g_return_if_fail (GTK_IS_ANY_FILTER (self));
+
  length = g_sequence_get_length (self->filters);
  if (position >= length)
    return;