diff options
Diffstat (limited to 'drivers/tty/synclink.c')
| -rw-r--r-- | drivers/tty/synclink.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c index d48e040cd8c5..b7991707ffc0 100644 --- a/drivers/tty/synclink.c +++ b/drivers/tty/synclink.c @@ -3267,7 +3267,6 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, DECLARE_WAITQUEUE(wait, current); int retval; bool do_clocal = false; - bool extra_count = false; unsigned long flags; int dcd; struct tty_port *port = &info->port; @@ -3300,10 +3299,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, __FILE__,__LINE__, tty->driver->name, port->count ); spin_lock_irqsave(&info->irq_spinlock, flags); - if (!tty_hung_up_p(filp)) { - extra_count = true; - port->count--; - } + port->count--; spin_unlock_irqrestore(&info->irq_spinlock, flags); port->blocked_open++; @@ -3342,7 +3338,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, remove_wait_queue(&port->open_wait, &wait); /* FIXME: Racy on hangup during close wait */ - if (extra_count) + if (!tty_hung_up_p(filp)) port->count++; port->blocked_open--; @@ -3403,7 +3399,7 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) __FILE__,__LINE__,tty->driver->name, info->port.count); /* If port is closing, signal caller to try again */ - if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){ + if (info->port.flags & ASYNC_CLOSING){ wait_event_interruptible_tty(tty, info->port.close_wait, !(info->port.flags & ASYNC_CLOSING)); retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ? |