+bool vnc_display_update(DisplayUpdateOptionsVNC *arg, Error **errp)
+{
+ VncDisplay *vd = vnc_display_find(NULL);
+
+ if (!vd) {
+ error_setg(errp, "Can not find vnc display");
+ return false;
+ }
+
+ if (arg->has_addresses) {
+ if (vd->listener) {
+ qio_net_listener_disconnect(vd->listener);
+ object_unref(OBJECT(vd->listener));
+ vd->listener = NULL;
+ }
+
+ if (vnc_display_listen(vd, arg->addresses, NULL, errp) < 0) {
+ return false;
+ }
+ }
+
+ return true;
+}