61 int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc)  in tty_register_ldisc()  argument
70 	tty_ldiscs[disc] = new_ldisc;  in tty_register_ldisc()
71 	new_ldisc->num = disc;  in tty_register_ldisc()
72 	new_ldisc->refcount = 0;  in tty_register_ldisc()
543 	struct tty_ldisc *old_ldisc, *new_ldisc;  in tty_set_ldisc()  local
545 	new_ldisc = tty_ldisc_get(tty, disc);  in tty_set_ldisc()
546 	if (IS_ERR(new_ldisc))  in tty_set_ldisc()
547 		return PTR_ERR(new_ldisc);  in tty_set_ldisc()
575 	tty->ldisc = new_ldisc;  in tty_set_ldisc()
578 	retval = tty_ldisc_open(tty, new_ldisc);  in tty_set_ldisc()
581 		tty_ldisc_put(new_ldisc);  in tty_set_ldisc()
596 	new_ldisc = old_ldisc;  in tty_set_ldisc()
604 	tty_ldisc_put(new_ldisc);	/* drop the extra reference */  in tty_set_ldisc()