modelbutton: Fix a use after free when unsetting accel

gtk_widget_remove_controller() already destroys the controller.

diff --git a/gtk/gtkmodelbutton.c b/gtk/gtkmodelbutton.c
index a296e6119c6b927d6dbc590051d4d5444048504f..cd8052fe849c0e1911a0649cb1e356ec13a09543 100644 (file)
--- a/gtk/gtkmodelbutton.c
+++ b/gtk/gtkmodelbutton.c
@@ -877,7 +877,7 @@ update_accel (GtkModelButton *self,
       if (self->controller)
         {
           gtk_widget_remove_controller (GTK_WIDGET (self), GTK_EVENT_CONTROLLER (self->controller));
-          g_clear_object (&self->controller);
+          self->controller = NULL;
         }
     }
 }