917 	struct tty_struct *real_tty;  in tty_mode_ioctl()  local
923 		real_tty = tty->link;  in tty_mode_ioctl()
925 		real_tty = tty;  in tty_mode_ioctl()
930 		return get_sgttyb(real_tty, (struct sgttyb __user *) arg);  in tty_mode_ioctl()
933 		return set_sgttyb(real_tty, (struct sgttyb __user *) arg);  in tty_mode_ioctl()
937 		return get_tchars(real_tty, p);  in tty_mode_ioctl()
939 		return set_tchars(real_tty, p);  in tty_mode_ioctl()
943 		return get_ltchars(real_tty, p);  in tty_mode_ioctl()
945 		return set_ltchars(real_tty, p);  in tty_mode_ioctl()
948 		return set_termios(real_tty, p,  TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_OLD);  in tty_mode_ioctl()
950 		return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_OLD);  in tty_mode_ioctl()
952 		return set_termios(real_tty, p, TERMIOS_OLD);  in tty_mode_ioctl()
955 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
956 		if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios))  in tty_mode_ioctl()
958 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
962 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
963 		if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios))  in tty_mode_ioctl()
965 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
968 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
969 		if (kernel_termios_to_user_termios((struct termios2 __user *)arg, real_tty->termios))  in tty_mode_ioctl()
971 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
974 		return set_termios(real_tty, p,  TERMIOS_FLUSH | TERMIOS_WAIT);  in tty_mode_ioctl()
976 		return set_termios(real_tty, p, TERMIOS_WAIT);  in tty_mode_ioctl()
978 		return set_termios(real_tty, p, 0);  in tty_mode_ioctl()
981 		return get_termio(real_tty, p);  in tty_mode_ioctl()
983 		return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_TERMIO);  in tty_mode_ioctl()
985 		return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_TERMIO);  in tty_mode_ioctl()
987 		return set_termios(real_tty, p, TERMIOS_TERMIO);  in tty_mode_ioctl()
990 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
991 		if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked))  in tty_mode_ioctl()
993 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
998 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
999 		if (user_termios_to_kernel_termios(real_tty->termios_locked,  in tty_mode_ioctl()
1002 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1006 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1007 		if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked))  in tty_mode_ioctl()
1009 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1014 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1015 		if (user_termios_to_kernel_termios_1(real_tty->termios_locked,  in tty_mode_ioctl()
1018 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1023 		if (real_tty->termiox == NULL)  in tty_mode_ioctl()
1025 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1026 		if (copy_to_user(p, real_tty->termiox, sizeof(struct termiox)))  in tty_mode_ioctl()
1028 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1031 		return set_termiox(real_tty, p, 0);  in tty_mode_ioctl()
1033 		return set_termiox(real_tty, p, TERMIOS_WAIT);  in tty_mode_ioctl()
1035 		return set_termiox(real_tty, p, TERMIOS_FLUSH);  in tty_mode_ioctl()
1038 		mutex_lock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1039 		ret = put_user(C_CLOCAL(real_tty) ? 1 : 0,  in tty_mode_ioctl()
1041 		mutex_unlock(&real_tty->termios_mutex);  in tty_mode_ioctl()
1046 		return tty_change_softcar(real_tty, arg);  in tty_mode_ioctl()