524 	put_pid(tty->session);  in __proc_set_tty()
528 	tty->session = get_pid(task_session(current));  in __proc_set_tty()
557 static void session_clear_tty(struct pid *session)  in session_clear_tty()  argument
560 	do_each_pid_task(session, PIDTYPE_SID, p) {  in session_clear_tty()
562 	} while_each_pid_task(session, PIDTYPE_SID, p);  in session_clear_tty()
610 	if (tty->session) {  in tty_signal_session_leader()
611 		do_each_pid_task(tty->session, PIDTYPE_SID, p) {  in tty_signal_session_leader()
632 		} while_each_pid_task(tty->session, PIDTYPE_SID, p);  in tty_signal_session_leader()
722 	put_pid(tty->session);  in __tty_hangup()
724 	tty->session = NULL;  in __tty_hangup()
925 		put_pid(tty->session);  in disassociate_ctty()
927 		tty->session = NULL;  in disassociate_ctty()
1648 	put_pid(tty->session);  in release_one_tty()
1893 		session_clear_tty(tty->session);  in tty_release()
1895 			session_clear_tty(o_tty->session);  in tty_release()
2151 	    tty->session == NULL) {  in tty_open()
2464 	if (current->signal->leader && (task_session(current) == tty->session))  in tiocsctty()
2476 	if (tty->session) {  in tiocsctty()
2485 			session_clear_tty(tty->session);  in tiocsctty()
2600 	    (real_tty->session != task_session(current)))  in tiocspgrp()
2644 	if (!real_tty->session)  in tiocgsid()
2646 	return put_user(pid_vnr(real_tty->session), p);  in tiocgsid()
3056 	struct pid *session;  in __do_SAK()
3061 	session = tty->session;  in __do_SAK()
3069 	do_each_pid_task(session, PIDTYPE_SID, p) {  in __do_SAK()
3074 	} while_each_pid_task(session, PIDTYPE_SID, p);  in __do_SAK()
3155 	tty->session = NULL;  in alloc_tty_struct()