compositor: Don't crash when receiving kb focus with no surface

diff --git a/compositor/compositor.c b/compositor/compositor.c
index 8bbd01d..db8a94a 100644 (file)
--- a/compositor/compositor.c
+++ b/compositor/compositor.c
@@ -1590,7 +1590,7 @@ notify_keyboard_focus(struct wl_input_device *device,
                        update_modifier_state(wd, *k, 1);
                }
 
-               if (es->surface.resource.client)
+               if (es && es->surface.resource.client)
                        wl_input_device_set_keyboard_focus(&wd->input_device,
                                                           &es->surface, time);
        } else {