TTY_LDISC_OPEN    465 drivers/tty/tty_ldisc.c 	WARN_ON(test_and_set_bit(TTY_LDISC_OPEN, &tty->flags));
TTY_LDISC_OPEN    471 drivers/tty/tty_ldisc.c 			clear_bit(TTY_LDISC_OPEN, &tty->flags);
TTY_LDISC_OPEN    491 drivers/tty/tty_ldisc.c 	WARN_ON(!test_bit(TTY_LDISC_OPEN, &tty->flags));
TTY_LDISC_OPEN    492 drivers/tty/tty_ldisc.c 	clear_bit(TTY_LDISC_OPEN, &tty->flags);