wayland/subsurface: Add check for parent surface

Just as we do in similar places. This avoids crashes under certain
circumstances.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1411


(cherry picked from commit 8cbcd35fdf)
This commit is contained in:
Robert Mader 2020-08-23 20:13:56 +00:00 committed by Georges Basile Stavracas Neto
parent 32d130ddf0
commit d2747a1288

View File

@ -275,6 +275,7 @@ meta_wayland_subsurface_notify_subsurface_state_changed (MetaWaylandSurfaceRole
meta_wayland_surface_role_get_surface (surface_role);
MetaWaylandSurface *parent = surface->sub.parent;
if (parent)
return meta_wayland_surface_notify_subsurface_state_changed (parent);
}