498 	spin_lock_irqsave(&p->sighand->siglock, flags);  in proc_clear_tty()
501 	spin_unlock_irqrestore(&p->sighand->siglock, flags);  in proc_clear_tty()
540 	spin_lock_irq(&current->sighand->siglock);  in proc_set_tty()
542 	spin_unlock_irq(&current->sighand->siglock);  in proc_set_tty()
550 	spin_lock_irqsave(&current->sighand->siglock, flags);  in get_current_tty()
552 	spin_unlock_irqrestore(&current->sighand->siglock, flags);  in get_current_tty()
612 			spin_lock_irq(&p->sighand->siglock);  in tty_signal_session_leader()
620 				spin_unlock_irq(&p->sighand->siglock);  in tty_signal_session_leader()
631 			spin_unlock_irq(&p->sighand->siglock);  in tty_signal_session_leader()
905 		spin_lock_irq(&current->sighand->siglock);  in disassociate_ctty()
908 		spin_unlock_irq(&current->sighand->siglock);  in disassociate_ctty()
917 	spin_lock_irq(&current->sighand->siglock);  in disassociate_ctty()
938 	spin_unlock_irq(&current->sighand->siglock);  in disassociate_ctty()
2147 	spin_lock_irq(&current->sighand->siglock);  in tty_open()
2169 	spin_unlock_irq(&current->sighand->siglock);  in tty_open()