29 	struct tty_ldisc *disc;  in tty_port_default_receive_buf()  local
35 	disc = tty_ldisc_ref(tty);  in tty_port_default_receive_buf()
36 	if (!disc)  in tty_port_default_receive_buf()
39 	ret = tty_ldisc_receive_buf(disc, p, (char *)f, count);  in tty_port_default_receive_buf()
41 	tty_ldisc_deref(disc);  in tty_port_default_receive_buf()
50 	struct tty_ldisc *disc;  in tty_port_default_lookahead_buf()  local
56 	disc = tty_ldisc_ref(tty);  in tty_port_default_lookahead_buf()
57 	if (!disc)  in tty_port_default_lookahead_buf()
60 	if (disc->ops->lookahead_buf)  in tty_port_default_lookahead_buf()
61 		disc->ops->lookahead_buf(disc->tty, p, f, count);  in tty_port_default_lookahead_buf()
63 	tty_ldisc_deref(disc);  in tty_port_default_lookahead_buf()