diff options
| -rw-r--r-- | net/irda/ircomm/ircomm_tty.c | 48 |
1 files changed, 1 insertions, 47 deletions
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index cfe352dfb48..4e35b45c1c7 100644 --- a/net/irda/ircomm/ircomm_tty.c +++ b/net/irda/ircomm/ircomm_tty.c @@ -509,64 +509,18 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data; struct tty_port *port = &self->port; - unsigned long flags; IRDA_DEBUG(0, "%s()\n", __func__ ); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); - spin_lock_irqsave(&port->lock, flags); - - if (tty_hung_up_p(filp)) { - spin_unlock_irqrestore(&port->lock, flags); - - IRDA_DEBUG(0, "%s(), returning 1\n", __func__ ); - return; - } - - if ((tty->count == 1) && (port->count != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. state->count should always - * be one in these conditions. If it's greater than - * one, we've got real problems, since it means the - * serial port won't be shutdown. - */ - IRDA_DEBUG(0, "%s(), bad serial port count; " - "tty->count is 1, state->count is %d\n", __func__ , - port->count); - port->count = 1; - } - - if (--port->count < 0) { - IRDA_ERROR("%s(), bad serial port count for ttys%d: %d\n", - __func__, self->line, port->count); - port->count = 0; - } - if (port->count) { - spin_unlock_irqrestore(&port->lock, flags); - - IRDA_DEBUG(0, "%s(), open count > 0\n", __func__ ); + if (tty_port_close_start(port, tty, filp) == 0) return; - } - - set_bit(ASYNCB_CLOSING, &port->flags); - - spin_unlock_irqrestore(&port->lock, flags); - - /* - * Now we wait for the transmit buffer to clear; and we notify - * the line discipline to only process XON/XOFF characters. - */ - tty->closing = 1; - if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) - tty_wait_until_sent_from_close(tty, port->closing_wait); ircomm_tty_shutdown(self); tty_driver_flush_buffer(tty); - tty_ldisc_flush(tty); tty_port_close_end(port, tty); tty_port_tty_set(port, NULL); |