From 2d73b069f816742ba607f65f9dbbff2885365951 Mon Sep 17 00:00:00 2001 From: Peter Hurley Date: Sun, 10 Jan 2016 20:36:11 -0800 Subject: [PATCH] staging: dgap: Remove redundant write_wait wakeups Waking the write_wait queue is exactly what tty_wakeup() does; remove the open-coded wakeups. Signed-off-by: Peter Hurley Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgap/dgap.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c index dfbae215aec3..5413ed8c29ff 100644 --- a/drivers/staging/dgap/dgap.c +++ b/drivers/staging/dgap/dgap.c @@ -3155,8 +3155,6 @@ static void dgap_tty_flush_buffer(struct tty_struct *tty) spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); spin_unlock_irqrestore(&bd->bd_lock, lock_flags); - if (waitqueue_active(&tty->write_wait)) - wake_up_interruptible(&tty->write_wait); tty_wakeup(tty); } @@ -4953,10 +4951,6 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd, ch->ch_pun.un_flags &= ~(UN_LOW | UN_EMPTY); wake_up_interruptible(&ch->ch_pun.un_flags_wait); } - if (waitqueue_active(&tty->write_wait)) - wake_up_interruptible(&tty->write_wait); - - /* Can't hold any locks when calling tty_wakeup! */ spin_unlock_irqrestore(&ch->ch_lock, lock_flags2); spin_unlock_irqrestore(&bd->bd_lock, lock_flags); tty_wakeup(tty); -- 2.20.1