app_server: add null check for dbus_state_set/elm_app_server_views_eet_new

Reviewers: Hermet, woohyun, raster, cedric

Reviewed By: cedric

Differential Revision: https://phab.enlightenment.org/D2705

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

legacy/elementary/src/lib/elm_app_client_view.c

@@ -167,6 +167,8 @@ _dbus_state_set_cb(void *data, const Eldbus_Message *msg, Eldbus_Pending *pendin
    void *user_data = eldbus_pending_data_del(pending, "user_data");
    const char *error = NULL, *error_message = NULL;
 
+   if (!cb) return;
+
    if (!eldbus_message_error_get(msg, &error, &error_message))
      error_message = NULL;
 

legacy/elementary/src/lib/elm_app_server.c

@@ -291,6 +291,8 @@ _elm_app_server_save(Eo *obj EINA_UNUSED, Elm_App_Server_Data *data)
 
    views_eet = elm_app_server_views_eet_new(1, NULL);
 
+   if (!views_eet) return;
+
    iter = eina_hash_iterator_data_new(data->views);
    EINA_ITERATOR_FOREACH(iter, view)
      {