diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2013-03-07 13:12:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-18 16:24:29 -0700 |
| commit | aa27a094e2c2e0cc59914e56113b860f524f4479 (patch) | |
| tree | b3cfef8d8023741107e3d3bed934f2bd4d8bf189 /drivers/usb/serial/option.c | |
| parent | e4408ce3c23f8451eff7a2954694598fb8fce833 (diff) | |
| download | linux-aa27a094e2c2e0cc59914e56113b860f524f4479.tar.bz2 | |
TTY: add tty_port_tty_hangup helper
It allows for cleaning up on a considerable amount of places. They did
port_get, hangup, kref_put. Now the only thing needed is to call
tty_port_tty_hangup which does exactly that. And they can also decide
whether to consider CLOCAL or completely ignore that.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/option.c')
| -rw-r--r-- | drivers/usb/serial/option.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index f7d339d8187b..602d1f389a3b 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1532,13 +1532,8 @@ static void option_instat_callback(struct urb *urb) portdata->dsr_state = ((signals & 0x02) ? 1 : 0); portdata->ri_state = ((signals & 0x08) ? 1 : 0); - if (old_dcd_state && !portdata->dcd_state) { - struct tty_struct *tty = - tty_port_tty_get(&port->port); - if (tty && !C_CLOCAL(tty)) - tty_hangup(tty); - tty_kref_put(tty); - } + if (old_dcd_state && !portdata->dcd_state) + tty_port_tty_hangup(&port->port, true); } else { dev_dbg(dev, "%s: type %x req %x\n", __func__, req_pkt->bRequestType, req_pkt->bRequest); |