diff options
Diffstat (limited to 'drivers/usb/serial/sierra.c')
| -rw-r--r-- | drivers/usb/serial/sierra.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index c13f6e74774..d66148a17fe 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -628,7 +628,6 @@ static void sierra_instat_callback(struct urb *urb) unsigned char signals = *((unsigned char *) urb->transfer_buffer + sizeof(struct usb_ctrlrequest)); - struct tty_struct *tty; dev_dbg(&port->dev, "%s: signal x%x\n", __func__, signals); @@ -639,11 +638,8 @@ static void sierra_instat_callback(struct urb *urb) portdata->dsr_state = ((signals & 0x02) ? 1 : 0); portdata->ri_state = ((signals & 0x08) ? 1 : 0); - tty = tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty) && - old_dcd_state && !portdata->dcd_state) - tty_hangup(tty); - tty_kref_put(tty); + if (old_dcd_state && !portdata->dcd_state) + tty_port_tty_hangup(&port->port, true); } else { dev_dbg(&port->dev, "%s: type %x req %x\n", __func__, req_pkt->bRequestType, |