Robert Mader dbe919ef92 wayland/surface: Check for surface role in meta_wayland_surface_get_window()
The function can get called without valid surface role, e.g. from
`zwp_xwayland_keyboard_grab_manager_grab()`.

Debugged by @piegamesde

Fixes https://gitlab.gnome.org/GNOME/mutter/-/issues/1147
2020-03-30 16:08:13 +02:00
..
2018-07-24 13:16:36 +00:00