94 	int status;  in spidev_sync()  local
102 		status = -ESHUTDOWN;  in spidev_sync()
104 		status = spi_sync(spi, message);  in spidev_sync()
106 	if (status == 0)  in spidev_sync()
107 		status = message->actual_length;  in spidev_sync()
109 	return status;  in spidev_sync()
149 	ssize_t			status;  in spidev_read()  local
158 	status = spidev_sync_read(spidev, count);  in spidev_read()
159 	if (status > 0) {  in spidev_read()
162 		missing = copy_to_user(buf, spidev->rx_buffer, status);  in spidev_read()
163 		if (missing == status)  in spidev_read()
164 			status = -EFAULT;  in spidev_read()
166 			status = status - missing;  in spidev_read()
170 	return status;  in spidev_read()
179 	ssize_t			status;  in spidev_write()  local
191 		status = spidev_sync_write(spidev, count);  in spidev_write()
193 		status = -EFAULT;  in spidev_write()
196 	return status;  in spidev_write()
208 	int			status = -EFAULT;  in spidev_message()  local
241 			status = -EMSGSIZE;  in spidev_message()
249 				status = -EMSGSIZE;  in spidev_message()
259 				status = -EMSGSIZE;  in spidev_message()
296 	status = spidev_sync(spidev, &msg);  in spidev_message()
297 	if (status < 0)  in spidev_message()
308 				status = -EFAULT;  in spidev_message()
313 	status = total;  in spidev_message()
317 	return status;  in spidev_message()
565 	int			status = -ENXIO;  in spidev_open()  local
571 			status = 0;  in spidev_open()
576 	if (status) {  in spidev_open()
585 			status = -ENOMEM;  in spidev_open()
594 			status = -ENOMEM;  in spidev_open()
611 	return status;  in spidev_open()
733 	int			status;  in spidev_probe()  local
771 		status = PTR_ERR_OR_ZERO(dev);  in spidev_probe()
774 		status = -ENODEV;  in spidev_probe()
776 	if (status == 0) {  in spidev_probe()
784 	if (status == 0)  in spidev_probe()
789 	return status;  in spidev_probe()
833 	int status;  in spidev_init()  local
840 	status = register_chrdev(SPIDEV_MAJOR, "spi", &spidev_fops);  in spidev_init()
841 	if (status < 0)  in spidev_init()
842 		return status;  in spidev_init()
850 	status = spi_register_driver(&spidev_spi_driver);  in spidev_init()
851 	if (status < 0) {  in spidev_init()
855 	return status;  in spidev_init()