156 	int retval;  in iowarrior_callback()  local
211 	retval = usb_submit_urb(urb, GFP_ATOMIC);  in iowarrior_callback()
212 	if (retval)  in iowarrior_callback()
214 			__func__, retval);  in iowarrior_callback()
341 	int retval = 0;  in iowarrior_write()  local
350 		retval = -ENODEV;  in iowarrior_write()
357 		retval = 0;  in iowarrior_write()
362 		retval = -EINVAL;  in iowarrior_write()
373 			retval = -ENOMEM;  in iowarrior_write()
377 			retval = -EFAULT;  in iowarrior_write()
381 		retval = usb_set_report(dev->interface, 2, 0, buf, count);  in iowarrior_write()
390 				retval = -EAGAIN;  in iowarrior_write()
393 				retval = wait_event_interruptible(dev->write_wait,  in iowarrior_write()
395 				if (retval) {  in iowarrior_write()
397 					retval = -ERESTART;  in iowarrior_write()
402 					retval = -ENODEV;  in iowarrior_write()
407 					retval = -ENODEV;  in iowarrior_write()
415 			retval = -ENOMEM;  in iowarrior_write()
423 			retval = -ENOMEM;  in iowarrior_write()
436 			retval = -EFAULT;  in iowarrior_write()
439 		retval = usb_submit_urb(int_out_urb, GFP_KERNEL);  in iowarrior_write()
440 		if (retval) {  in iowarrior_write()
443 				retval, atomic_read(&dev->write_busy));  in iowarrior_write()
447 		retval = count;  in iowarrior_write()
455 		retval = -EFAULT;  in iowarrior_write()
469 	return retval;  in iowarrior_write()
481 	int retval;  in iowarrior_ioctl()  local
499 		retval = -ENODEV;  in iowarrior_ioctl()
506 	retval = 0;  in iowarrior_ioctl()
518 				retval = -EFAULT;  in iowarrior_ioctl()
524 					retval = io_res;  in iowarrior_ioctl()
527 			retval = -EINVAL;  in iowarrior_ioctl()
539 			retval = io_res;  in iowarrior_ioctl()
543 				retval = -EFAULT;  in iowarrior_ioctl()
576 				retval = -EFAULT;  in iowarrior_ioctl()
581 		retval = -ENOTTY;  in iowarrior_ioctl()
589 	return retval;  in iowarrior_ioctl()
600 	int retval = 0;  in iowarrior_open()  local
626 		retval = -EBUSY;  in iowarrior_open()
631 	if ((retval = usb_submit_urb(dev->int_in_urb, GFP_KERNEL)) < 0) {  in iowarrior_open()
632 		dev_err(&interface->dev, "Error %d while submitting URB\n", retval);  in iowarrior_open()
633 		retval = -EFAULT;  in iowarrior_open()
640 	retval = 0;  in iowarrior_open()
645 	return retval;  in iowarrior_open()
654 	int retval = 0;  in iowarrior_release()  local
667 		retval = -ENODEV;	/* close called more than once */  in iowarrior_release()
671 		retval = 0;  in iowarrior_release()
687 	return retval;  in iowarrior_release()
765 	int retval = -ENOMEM;  in iowarrior_probe()  local
771 		return retval;  in iowarrior_probe()
792 		retval = -EINVAL;  in iowarrior_probe()
858 	retval = usb_register_dev(interface, &iowarrior_class);  in iowarrior_probe()
859 	if (retval) {  in iowarrior_probe()
872 	return retval;  in iowarrior_probe()
876 	return retval;  in iowarrior_probe()