diff options
Diffstat (limited to 'drivers/tty/tty_ldisc.c')
| -rw-r--r-- | drivers/tty/tty_ldisc.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 15667c0fd645..f691c7604d9a 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -499,29 +499,6 @@ static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old) } /** - * tty_ldisc_halt - shut down the line discipline - * @tty: tty device - * - * Shut down the line discipline and work queue for this tty device. - * The TTY_LDISC flag being cleared ensures no further references can - * be obtained while the delayed work queue halt ensures that no more - * data is fed to the ldisc. - * - * You need to do a 'flush_scheduled_work()' (outside the ldisc_mutex) - * in order to make sure any currently executing ldisc work is also - * flushed. - */ - -static int tty_ldisc_halt(struct tty_struct *tty) -{ - int scheduled; - clear_bit(TTY_LDISC, &tty->flags); - scheduled = cancel_work_sync(&tty->port->buf.work); - set_bit(TTY_LDISC_HALTED, &tty->flags); - return scheduled; -} - -/** * tty_ldisc_flush_works - flush all works of a tty * @tty: tty device to flush works for * @@ -551,6 +528,29 @@ static int tty_ldisc_wait_idle(struct tty_struct *tty, long timeout) } /** + * tty_ldisc_halt - shut down the line discipline + * @tty: tty device + * + * Shut down the line discipline and work queue for this tty device. + * The TTY_LDISC flag being cleared ensures no further references can + * be obtained while the delayed work queue halt ensures that no more + * data is fed to the ldisc. + * + * You need to do a 'flush_scheduled_work()' (outside the ldisc_mutex) + * in order to make sure any currently executing ldisc work is also + * flushed. + */ + +static int tty_ldisc_halt(struct tty_struct *tty) +{ + int scheduled; + clear_bit(TTY_LDISC, &tty->flags); + scheduled = cancel_work_sync(&tty->port->buf.work); + set_bit(TTY_LDISC_HALTED, &tty->flags); + return scheduled; +} + +/** * tty_ldisc_hangup_halt - halt the line discipline for hangup * @tty: tty being hung up * |