diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2016-01-10 20:36:11 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-01-28 14:13:44 -0800 |
| commit | 2d73b069f816742ba607f65f9dbbff2885365951 (patch) | |
| tree | cf9322f0455ee2d43d3b711983ba27eff0540396 /drivers | |
| parent | 02f14c79abe26a2045669e34baf2c8902d13ae54 (diff) | |
| download | lwn-2d73b069f816742ba607f65f9dbbff2885365951.tar.gz lwn-2d73b069f816742ba607f65f9dbbff2885365951.zip | |
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 <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/dgap/dgap.c | 6 |
1 files changed, 0 insertions, 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); |