backends/native: Add missing seat finalization paths

On finalize we leak the clutter backend, which leaks the stage and seat.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>

2 files changed, 16 insertions, 0 deletions

diff --git a/src/backends/meta-backend.c b/src/backends/meta-backend.c
index b208a5395..aca0d6fc9 100644
--- a/src/backends/meta-backend.c
+++ b/src/backends/meta-backend.c
@@ -231,6 +231,8 @@ meta_backend_finalize (GObject *object)
   g_clear_object (&priv->profiler);
 #endif
 
+  g_clear_object (&priv->clutter_backend);
+
   G_OBJECT_CLASS (meta_backend_parent_class)->finalize (object);
 }
 
diff --git a/src/backends/native/meta-clutter-backend-native.c b/src/backends/native/meta-clutter-backend-native.c
index 58d6afa44..a1d0d0971 100644
--- a/src/backends/native/meta-clutter-backend-native.c
+++ b/src/backends/native/meta-clutter-backend-native.c
@@ -126,6 +126,17 @@ meta_clutter_backend_native_is_display_server (ClutterBackend *backend)
 }
 
 static void
+meta_clutter_backend_native_finalize (GObject *object)
+{
+  MetaClutterBackendNative *backend_native = META_CLUTTER_BACKEND_NATIVE (object);
+
+  g_clear_object (&backend_native->main_seat);
+  g_clear_object (&backend_native->stage_native);
+
+  G_OBJECT_CLASS (meta_clutter_backend_native_parent_class)->finalize (object);
+}
+
+static void
 meta_clutter_backend_native_init (MetaClutterBackendNative *clutter_backend_nativen)
 {
 }
@@ -133,8 +144,11 @@ meta_clutter_backend_native_init (MetaClutterBackendNative *clutter_backend_nati
 static void
 meta_clutter_backend_native_class_init (MetaClutterBackendNativeClass *klass)
 {
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
   ClutterBackendClass *clutter_backend_class = CLUTTER_BACKEND_CLASS (klass);
 
+  object_class->finalize = meta_clutter_backend_native_finalize;
+
   clutter_backend_class->get_renderer = meta_clutter_backend_native_get_renderer;
   clutter_backend_class->create_stage = meta_clutter_backend_native_create_stage;
   clutter_backend_class->init_events = meta_clutter_backend_native_init_events;