tty_is_writelocked 2604 drivers/tty/n_gsm.c 	if (!tty_is_writelocked(tty) && tty_write_room(tty) > 0)
tty_is_writelocked  823 drivers/tty/n_hdlc.c 		if (!tty_is_writelocked(tty) &&
tty_is_writelocked 2422 drivers/tty/n_tty.c 	if (tty->ops->write && !tty_is_writelocked(tty) &&