diff options
Diffstat (limited to 'drivers/tty/tty_port.c')
| -rw-r--r-- | drivers/tty/tty_port.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 7309594..9209d63 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -497,9 +497,10 @@ int tty_port_close_start(struct tty_port *port, return 0; } set_bit(ASYNCB_CLOSING, &port->flags); - tty->closing = 1; spin_unlock_irqrestore(&port->lock, flags); + tty->closing = 1; + if (test_bit(ASYNCB_INITIALIZED, &port->flags)) { /* Don't block on a stalled port, just pull the chain */ if (tty->flow_stopped) @@ -522,9 +523,10 @@ void tty_port_close_end(struct tty_port *port, struct tty_struct *tty) { unsigned long flags; - spin_lock_irqsave(&port->lock, flags); tty->closing = 0; + spin_lock_irqsave(&port->lock, flags); + if (port->blocked_open) { spin_unlock_irqrestore(&port->lock, flags); if (port->close_delay) { |