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yaml
---
r: 325579
b: refs/heads/master
c: c0e7865
h: refs/heads/master
i:
  325577: 123a72b
  325575: 11a3bf9
v: v3
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Jiri Slaby authored and Greg Kroah-Hartman committed Jun 12, 2012
1 parent e5305ff commit 81cf25b
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Showing 2 changed files with 2 additions and 48 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a1e844036af9cb0d87e878a4f90ce64713c76e5a
refs/heads/master: c0e7865003ae9929f32bcb7277f591115fa242b7
48 changes: 1 addition & 47 deletions trunk/net/irda/ircomm/ircomm_tty.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
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