1514 	int retval;  in tty_init_dev()  local
1529 		retval = -ENOMEM;  in tty_init_dev()
1534 	retval = tty_driver_install_tty(driver, tty);  in tty_init_dev()
1535 	if (retval < 0)  in tty_init_dev()
1552 	retval = tty_ldisc_setup(tty, tty->link);  in tty_init_dev()
1553 	if (retval)  in tty_init_dev()
1564 	return ERR_PTR(retval);  in tty_init_dev()
1572 	return ERR_PTR(retval);  in tty_init_dev()
1952 	int retval;  in tty_open_current_tty()  local
1966 	retval = tty_reopen(tty);  in tty_open_current_tty()
1967 	if (retval < 0) {  in tty_open_current_tty()
1969 		tty = ERR_PTR(retval);  in tty_open_current_tty()
2051 	int noctty, retval;  in tty_open()  local
2060 	retval = tty_alloc_file(filp);  in tty_open()
2061 	if (retval)  in tty_open()
2066 	retval = 0;  in tty_open()
2073 			retval = PTR_ERR(driver);  in tty_open()
2080 			retval = PTR_ERR(tty);  in tty_open()
2089 			retval = tty_reopen(tty);  in tty_open()
2090 			if (retval < 0) {  in tty_open()
2092 				tty = ERR_PTR(retval);  in tty_open()
2103 		retval = PTR_ERR(tty);  in tty_open()
2117 		retval = tty->ops->open(tty, filp);  in tty_open()
2119 		retval = -ENODEV;  in tty_open()
2122 	if (retval) {  in tty_open()
2125 				retval, tty->name);  in tty_open()
2129 		if (retval != -ERESTARTSYS)  in tty_open()
2130 			return retval;  in tty_open()
2133 			return retval;  in tty_open()
2180 	return retval;  in tty_open()
2218 	int retval = 0;  in __tty_fasync()  local
2223 	retval = fasync_helper(fd, filp, on, &tty->fasync);  in __tty_fasync()
2224 	if (retval <= 0)  in __tty_fasync()
2250 		retval = 0;  in __tty_fasync()
2253 	return retval;  in __tty_fasync()
2259 	int retval;  in tty_fasync()  local
2262 	retval = __tty_fasync(fd, filp, on);  in tty_fasync()
2265 	return retval;  in tty_fasync()
2591 	int retval = tty_check_change(real_tty);  in tiocspgrp()  local
2594 	if (retval == -EIO)  in tiocspgrp()
2596 	if (retval)  in tiocspgrp()
2597 		return retval;  in tiocspgrp()
2608 	retval = -ESRCH;  in tiocspgrp()
2611 	retval = -EPERM;  in tiocspgrp()
2614 	retval = 0;  in tiocspgrp()
2621 	return retval;  in tiocspgrp()
2709 	int retval;  in send_break()  local
2715 		retval = tty->ops->break_ctl(tty, duration);  in send_break()
2720 		retval = tty->ops->break_ctl(tty, -1);  in send_break()
2721 		if (retval)  in send_break()
2725 		retval = tty->ops->break_ctl(tty, 0);  in send_break()
2729 			retval = -EINTR;  in send_break()
2731 	return retval;  in send_break()
2748 	int retval = -EINVAL;  in tty_tiocmget()  local
2751 		retval = tty->ops->tiocmget(tty);  in tty_tiocmget()
2753 		if (retval >= 0)  in tty_tiocmget()
2754 			retval = put_user(retval, p);  in tty_tiocmget()
2756 	return retval;  in tty_tiocmget()
2774 	int retval;  in tty_tiocmset()  local
2780 	retval = get_user(val, p);  in tty_tiocmset()
2781 	if (retval)  in tty_tiocmset()
2782 		return retval;  in tty_tiocmset()
2803 	int retval = -EINVAL;  in tty_tiocgicount()  local
2807 		retval = tty->ops->get_icount(tty, &icount);  in tty_tiocgicount()
2808 	if (retval != 0)  in tty_tiocgicount()
2809 		return retval;  in tty_tiocgicount()
2853 	int retval;  in tty_ioctl()  local
2870 		retval = tty_check_change(tty);  in tty_ioctl()
2871 		if (retval)  in tty_ioctl()
2872 			return retval;  in tty_ioctl()
2962 		retval = tty_tiocgicount(tty, p);  in tty_ioctl()
2964         	if (retval != -EINVAL)  in tty_ioctl()
2965 			return retval;  in tty_ioctl()
2981 		retval = tty->ops->ioctl(tty, cmd, arg);  in tty_ioctl()
2982 		if (retval != -ENOIOCTLCMD)  in tty_ioctl()
2983 			return retval;  in tty_ioctl()
2986 	retval = -EINVAL;  in tty_ioctl()
2988 		retval = ld->ops->ioctl(tty, file, cmd, arg);  in tty_ioctl()
2989 		if (retval == -ENOIOCTLCMD)  in tty_ioctl()
2990 			retval = -ENOTTY;  in tty_ioctl()
2993 	return retval;  in tty_ioctl()
3002 	int retval = -ENOIOCTLCMD;  in tty_compat_ioctl()  local
3008 		retval = tty->ops->compat_ioctl(tty, cmd, arg);  in tty_compat_ioctl()
3009 		if (retval != -ENOIOCTLCMD)  in tty_compat_ioctl()
3010 			return retval;  in tty_compat_ioctl()
3015 		retval = ld->ops->compat_ioctl(tty, file, cmd, arg);  in tty_compat_ioctl()
3017 		retval = n_tty_compat_ioctl_helper(tty, file, cmd, arg);  in tty_compat_ioctl()
3020 	return retval;  in tty_compat_ioctl()
3285 	int retval = -ENODEV;  in tty_register_device_attr()  local
3300 		retval = tty_cdev_add(driver, devt, index, 1);  in tty_register_device_attr()
3301 		if (retval)  in tty_register_device_attr()
3308 		retval = -ENOMEM;  in tty_register_device_attr()
3320 	retval = device_register(dev);  in tty_register_device_attr()
3321 	if (retval)  in tty_register_device_attr()
3330 	return ERR_PTR(retval);  in tty_register_device_attr()