45 	spin_lock_irqsave(&tty->ctrl.lock, flags);  in __tty_check_change()
46 	tty_pgrp = tty->ctrl.pgrp;  in __tty_check_change()
47 	spin_unlock_irqrestore(&tty->ctrl.lock, flags);  in __tty_check_change()
102 	spin_lock_irqsave(&tty->ctrl.lock, flags);  in __proc_set_tty()
107 	put_pid(tty->ctrl.session);  in __proc_set_tty()
108 	put_pid(tty->ctrl.pgrp);  in __proc_set_tty()
109 	tty->ctrl.pgrp = get_pid(task_pgrp(current));  in __proc_set_tty()
110 	tty->ctrl.session = get_pid(task_session(current));  in __proc_set_tty()
111 	spin_unlock_irqrestore(&tty->ctrl.lock, flags);  in __proc_set_tty()
138 	    tty->ctrl.session == NULL) {  in tty_open_proc_set_tty()
203 	if (tty->ctrl.session) {  in tty_signal_session_leader()
204 		do_each_pid_task(tty->ctrl.session, PIDTYPE_SID, p) {  in tty_signal_session_leader()
221 			spin_lock(&tty->ctrl.lock);  in tty_signal_session_leader()
222 			tty_pgrp = get_pid(tty->ctrl.pgrp);  in tty_signal_session_leader()
223 			if (tty->ctrl.pgrp)  in tty_signal_session_leader()
225 					get_pid(tty->ctrl.pgrp);  in tty_signal_session_leader()
226 			spin_unlock(&tty->ctrl.lock);  in tty_signal_session_leader()
228 		} while_each_pid_task(tty->ctrl.session, PIDTYPE_SID, p);  in tty_signal_session_leader()
308 		spin_lock_irqsave(&tty->ctrl.lock, flags);  in disassociate_ctty()
309 		put_pid(tty->ctrl.session);  in disassociate_ctty()
310 		put_pid(tty->ctrl.pgrp);  in disassociate_ctty()
311 		tty->ctrl.session = NULL;  in disassociate_ctty()
312 		tty->ctrl.pgrp = NULL;  in disassociate_ctty()
313 		spin_unlock_irqrestore(&tty->ctrl.lock, flags);  in disassociate_ctty()
373 			task_session(current) == tty->ctrl.session)  in tiocsctty()
385 	if (tty->ctrl.session) {  in tiocsctty()
394 			session_clear_tty(tty->ctrl.session);  in tiocsctty()
426 	spin_lock_irqsave(&tty->ctrl.lock, flags);  in tty_get_pgrp()
427 	pgrp = get_pid(tty->ctrl.pgrp);  in tty_get_pgrp()
428 	spin_unlock_irqrestore(&tty->ctrl.lock, flags);  in tty_get_pgrp()
509 	spin_lock_irq(&real_tty->ctrl.lock);  in tiocspgrp()
512 	    (real_tty->ctrl.session != task_session(current))) {  in tiocspgrp()
525 	put_pid(real_tty->ctrl.pgrp);  in tiocspgrp()
526 	real_tty->ctrl.pgrp = get_pid(pgrp);  in tiocspgrp()
530 	spin_unlock_irq(&real_tty->ctrl.lock);  in tiocspgrp()
555 	spin_lock_irqsave(&real_tty->ctrl.lock, flags);  in tiocgsid()
556 	if (!real_tty->ctrl.session)  in tiocgsid()
558 	sid = pid_vnr(real_tty->ctrl.session);  in tiocgsid()
559 	spin_unlock_irqrestore(&real_tty->ctrl.lock, flags);  in tiocgsid()
564 	spin_unlock_irqrestore(&real_tty->ctrl.lock, flags);  in tiocgsid()