- if (port->port.tty && !C_CLOCAL(port->port.tty)
- && old_dcd_state != p_priv->dcd_state) {
- if (old_dcd_state)
- tty_hangup(port->port.tty);
- /* else */
- /* wake_up_interruptible(&p_priv->open_wait); */
+ if (old_dcd_state != p_priv->dcd_state) {
+ tty = tty_port_tty_get(&port->port);
+ if (tty && !C_CLOCAL(tty))
+ tty_hangup(tty);
+ tty_kref_put(tty);