From 11cf48eab21887a120f7f47c67b44a829e3c371d Mon Sep 17 00:00:00 2001 From: Peter Hurley Date: Mon, 11 Mar 2013 16:44:27 -0400 Subject: [PATCH] tty: Relocate tty_ldisc_halt() to avoid forward declaration tty_ldisc_halt() will use the file-scoped function, tty_ldisc_wait_idle(), in the following patch. Signed-off-by: Peter Hurley Signed-off-by: Greg Kroah-Hartman --- drivers/tty/tty_ldisc.c | 46 ++++++++++++++++++++--------------------- 1 file 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 @@ -498,29 +498,6 @@ 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 @@ -550,6 +527,29 @@ static int tty_ldisc_wait_idle(struct tty_struct *tty, long timeout) return ret > 0 ? 0 : -EBUSY; } +/** + * 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 -- 2.30.2