Check for NULL pointer

diff --git a/gtk/gtkcombobox.c b/gtk/gtkcombobox.c
index 2de10eb0d8ec2a5afa9957cfd226d93f10cc8277..753212f80418ed1f3a7246f565f8c7552b5bd12c 100644 (file)
--- a/gtk/gtkcombobox.c
+++ b/gtk/gtkcombobox.c
@@ -2294,7 +2294,7 @@ gtk_combo_box_popup_for_device (GtkComboBox *combo_box,
   if (!gtk_widget_get_realized (GTK_WIDGET (combo_box)))
     return;
 
-  if (gtk_widget_get_mapped (priv->popup_window))
+  if (priv->popup_window && gtk_widget_get_mapped (priv->popup_window))
     return;
 
   if (priv->grab_pointer && priv->grab_keyboard)