Hi Pekka,

>  	if (modem->powered_pending == FALSE) {
>  		DBusConnection *conn = ofono_dbus_get_connection();
> -		dbus_bool_t powered = FALSE;
> -
>  		modem->powered = FALSE;
>  		ofono_dbus_signal_property_changed(conn, modem->path,
>  						OFONO_MODEM_INTERFACE,
>  						"Powered", DBUS_TYPE_BOOLEAN,
> -						&powered);
> +						&modem->powered);

Actually this is the preferred approach and is more type safe.  If you notice 
cases where we don't do this, then please send a patch.

Regards,
-Denis