wtty              709 arch/um/drivers/line.c 	struct tty_struct *wtty;
wtty              715 arch/um/drivers/line.c 		wtty = tty_port_tty_get(winch->port);
wtty              716 arch/um/drivers/line.c 		if (wtty == tty) {
wtty              720 arch/um/drivers/line.c 		tty_kref_put(wtty);