From e1c969f7814dcd23bbfe8d777544321a492b6fee Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Fri, 12 Apr 2013 10:32:31 +0200 Subject: TTY: ircomm: fix DTR being raised on hang up Make sure to check ASYNC_INITIALISED before raising DTR when waking up from blocked open in ircomm_tty_block_til_ready. Currently DTR could get raised at hang up as a blocked process would raise DTR unconditionally before checking for hang up and returning. Signed-off-by: Johan Hovold Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/irda/ircomm/ircomm_tty.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net') diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index 362ba47968e4..41ac7938268b 100644 --- a/net/irda/ircomm/ircomm_tty.c +++ b/net/irda/ircomm/ircomm_tty.c @@ -328,7 +328,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, spin_unlock_irqrestore(&port->lock, flags); while (1) { - if (tty->termios.c_cflag & CBAUD) + if (C_BAUD(tty) && test_bit(ASYNCB_INITIALIZED, &port->flags)) tty_port_raise_dtr_rts(port); set_current_state(TASK_INTERRUPTIBLE); -- cgit v1.2.3-58-ga151