{
dbg("%s port %d", __func__, port->number);
- if (port->serial->dev) {
- /* shutdown our urbs */
- usb_kill_urb(port->write_urb);
- usb_kill_urb(port->read_urb);
+ usb_serial_generic_close(port);
+ if (port->serial->dev)
usb_kill_urb(port->interrupt_in_urb);
- }
} /* mct_u232_close */