{
dev_dbg(&port->dev, "%s\n", __func__);
- if (port->serial->dev) {
- /* Shutdown any interrupt in urbs. */
- if (port->interrupt_in_urb) {
- usb_unlink_urb(port->interrupt_in_urb);
- usb_kill_urb(port->interrupt_in_urb);
- }
-
- /* Send deactivate cmd to device */
+ usb_unlink_urb(port->interrupt_in_urb);
+ usb_kill_urb(port->interrupt_in_urb);
+
+ mutex_lock(&port->serial->disc_mutex);
+ if (!port->serial->disconnected)
metrousb_send_unidirectional_cmd(UNI_CMD_CLOSE, port);
- }
+ mutex_unlock(&port->serial->disc_mutex);
}
static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port)