39 	if (current->signal->tty != tty)  in __tty_check_change()
81 	tty = p->signal->tty;  in proc_clear_tty()
82 	p->signal->tty = NULL;  in proc_clear_tty()
112 	if (current->signal->tty) {  in __proc_set_tty()
114 			  current->signal->tty->name);  in __proc_set_tty()
115 		tty_kref_put(current->signal->tty);  in __proc_set_tty()
117 	put_pid(current->signal->tty_old_pgrp);  in __proc_set_tty()
118 	current->signal->tty = tty_kref_get(tty);  in __proc_set_tty()
119 	current->signal->tty_old_pgrp = NULL;  in __proc_set_tty()
136 	if (current->signal->leader &&  in tty_open_proc_set_tty()
137 	    !current->signal->tty &&  in tty_open_proc_set_tty()
166 	tty = tty_kref_get(current->signal->tty);  in get_current_tty()
206 			if (p->signal->tty == tty) {  in tty_signal_session_leader()
207 				p->signal->tty = NULL;  in tty_signal_session_leader()
214 			if (!p->signal->leader) {  in tty_signal_session_leader()
220 			put_pid(p->signal->tty_old_pgrp);  /* A noop */  in tty_signal_session_leader()
224 				p->signal->tty_old_pgrp =  in tty_signal_session_leader()
269 	if (!current->signal->leader)  in disassociate_ctty()
292 		old_pgrp = current->signal->tty_old_pgrp;  in disassociate_ctty()
293 		current->signal->tty_old_pgrp = NULL;  in disassociate_ctty()
324 	put_pid(current->signal->tty_old_pgrp);  in disassociate_ctty()
325 	current->signal->tty_old_pgrp = NULL;  in disassociate_ctty()
372 	if (current->signal->leader &&  in tiocsctty()
380 	if (!current->signal->leader || current->signal->tty) {  in tiocsctty()
474 	if (tty == real_tty && current->signal->tty != real_tty)  in tiocgpgrp()
510 	if (!current->signal->tty ||  in tiocspgrp()
511 	    (current->signal->tty != real_tty) ||  in tiocspgrp()
552 	if (tty == real_tty && current->signal->tty != real_tty)  in tiocgsid()
579 		if (current->signal->tty != tty)  in tty_jobctrl_ioctl()