771 	struct tty_struct *real_tty;  in tty_mode_ioctl()  local
778 		real_tty = tty->link;  in tty_mode_ioctl()
780 		real_tty = tty;  in tty_mode_ioctl()
785 		return get_sgttyb(real_tty, (struct sgttyb __user *) arg);  in tty_mode_ioctl()
788 		return set_sgttyb(real_tty, (struct sgttyb __user *) arg);  in tty_mode_ioctl()
792 		return get_tchars(real_tty, p);  in tty_mode_ioctl()
794 		return set_tchars(real_tty, p);  in tty_mode_ioctl()
798 		return get_ltchars(real_tty, p);  in tty_mode_ioctl()
800 		return set_ltchars(real_tty, p);  in tty_mode_ioctl()
803 		return set_termios(real_tty, p,  TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_OLD);  in tty_mode_ioctl()
805 		return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_OLD);  in tty_mode_ioctl()
807 		return set_termios(real_tty, p, TERMIOS_OLD);  in tty_mode_ioctl()
810 		copy_termios(real_tty, &kterm);  in tty_mode_ioctl()
816 		copy_termios(real_tty, &kterm);  in tty_mode_ioctl()
821 		copy_termios(real_tty, &kterm);  in tty_mode_ioctl()
826 		return set_termios(real_tty, p,  TERMIOS_FLUSH | TERMIOS_WAIT);  in tty_mode_ioctl()
828 		return set_termios(real_tty, p, TERMIOS_WAIT);  in tty_mode_ioctl()
830 		return set_termios(real_tty, p, 0);  in tty_mode_ioctl()
833 		return get_termio(real_tty, p);  in tty_mode_ioctl()
835 		return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_TERMIO);  in tty_mode_ioctl()
837 		return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_TERMIO);  in tty_mode_ioctl()
839 		return set_termios(real_tty, p, TERMIOS_TERMIO);  in tty_mode_ioctl()
842 		copy_termios_locked(real_tty, &kterm);  in tty_mode_ioctl()
849 		copy_termios_locked(real_tty, &kterm);  in tty_mode_ioctl()
853 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
854 		real_tty->termios_locked = kterm;  in tty_mode_ioctl()
855 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
859 		copy_termios_locked(real_tty, &kterm);  in tty_mode_ioctl()
866 		copy_termios_locked(real_tty, &kterm);  in tty_mode_ioctl()
870 		down_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
871 		real_tty->termios_locked = kterm;  in tty_mode_ioctl()
872 		up_write(&real_tty->termios_rwsem);  in tty_mode_ioctl()
883 		copy_termios(real_tty, &kterm);  in tty_mode_ioctl()
890 		return tty_change_softcar(real_tty, arg);  in tty_mode_ioctl()