[mutter] wayland/keyboard: Cleanup resource list management

[Jonas Ådahl <jadahl src gnome org>]

commit 578e5278697babdd9199c6dd1d6e1e46015541e4
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Sep 21 11:30:02 2016 +0800

    wayland/keyboard: Cleanup resource list management
    
    Initialize on init(), unlink and reinitialize the list headers on
    disable() so that any delayed resource destruction doesn't affect future
    state.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771646

 src/wayland/meta-wayland-keyboard.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/src/wayland/meta-wayland-keyboard.c b/src/wayland/meta-wayland-keyboard.c
index 9531e82..56e9576 100644
--- a/src/wayland/meta-wayland-keyboard.c
+++ b/src/wayland/meta-wayland-keyboard.c
@@ -608,9 +608,6 @@ meta_wayland_keyboard_enable (MetaWaylandKeyboard *keyboard)
   MetaBackend *backend = meta_get_backend ();
   GSettingsSchema *schema;
 
-  wl_list_init (&keyboard->resource_list);
-  wl_list_init (&keyboard->focus_resource_list);
-
   keyboard->settings = g_settings_new ("org.gnome.desktop.peripherals.keyboard");
   g_signal_connect (keyboard->settings, "changed",
                     G_CALLBACK (settings_changed), keyboard);
@@ -672,7 +669,10 @@ meta_wayland_keyboard_disable (MetaWaylandKeyboard *keyboard)
   meta_wayland_keyboard_set_focus (keyboard, NULL);
   meta_wayland_xkb_info_destroy (&keyboard->xkb_info);
 
-  /* XXX: What about keyboard->resource_list? */
+  wl_list_remove (&keyboard->resource_list);
+  wl_list_init (&keyboard->resource_list);
+  wl_list_remove (&keyboard->focus_resource_list);
+  wl_list_init (&keyboard->focus_resource_list);
 
   g_clear_object (&keyboard->settings);
   if (keyboard->gsd_settings)
@@ -963,6 +963,9 @@ meta_wayland_keyboard_end_grab (MetaWaylandKeyboard *keyboard)
 static void
 meta_wayland_keyboard_init (MetaWaylandKeyboard *keyboard)
 {
+  wl_list_init (&keyboard->resource_list);
+  wl_list_init (&keyboard->focus_resource_list);
+
   meta_wayland_xkb_info_init (&keyboard->xkb_info);
 
   keyboard->default_grab.interface = &default_keyboard_grab_interface;