diff options
Diffstat (limited to 'drivers/char/tty_port.c')
| -rw-r--r-- | drivers/char/tty_port.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c index b3175f54fe0..b580fcf629f 100644 --- a/drivers/char/tty_port.c +++ b/drivers/char/tty_port.c @@ -286,7 +286,8 @@ int tty_port_close_start(struct tty_port *port, struct tty_struct *tty, struct f port->flags |= ASYNC_CLOSING; tty->closing = 1; spin_unlock_irqrestore(&port->lock, flags); - if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) + if (port->flags & ASYNC_INITIALIZED && + port->closing_wait != ASYNC_CLOSING_WAIT_NONE) tty_wait_until_sent(tty, port->closing_wait); return 1; } |