diff options
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index d521058ee55a..cd725cc6e21e 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -351,13 +351,13 @@ static void n_tty_packet_mode_flush(struct tty_struct *tty) { unsigned long flags; - spin_lock_irqsave(&tty->ctrl_lock, flags); if (tty->link->packet) { + spin_lock_irqsave(&tty->ctrl_lock, flags); tty->ctrl_status |= TIOCPKT_FLUSHREAD; + spin_unlock_irqrestore(&tty->ctrl_lock, flags); if (waitqueue_active(&tty->link->read_wait)) wake_up_interruptible(&tty->link->read_wait); } - spin_unlock_irqrestore(&tty->ctrl_lock, flags); } /** |