256 	int retval;  in usblp_ctrl_msg()  local
265 	retval = usb_control_msg(usblp->dev,  in usblp_ctrl_msg()
270 		request, !!dir, recip, value, index, len, retval);  in usblp_ctrl_msg()
271 	return retval < 0 ? retval : 0;  in usblp_ctrl_msg()
397 	int retval;  in usblp_open()  local
404 	retval = -ENODEV;  in usblp_open()
412 	retval = -EBUSY;  in usblp_open()
422 	retval = usb_autopm_get_interface(intf);  in usblp_open()
423 	if (retval < 0)  in usblp_open()
436 		retval = -EIO;  in usblp_open()
440 	return retval;  in usblp_open()
499 	int retval = 0;  in usblp_ioctl()  local
503 		retval = -ENODEV;  in usblp_ioctl()
517 				retval = -EINVAL;  in usblp_ioctl()
523 				retval = length;  in usblp_ioctl()
532 				retval = -EFAULT;  in usblp_ioctl()
541 				retval = -EINVAL;  in usblp_ioctl()
556 				retval = -EFAULT;  in usblp_ioctl()
564 				retval = -EINVAL;  in usblp_ioctl()
576 			retval = usblp_set_protocol(usblp, arg);  in usblp_ioctl()
577 			if (retval < 0) {  in usblp_ioctl()
587 				retval = -EINVAL;  in usblp_ioctl()
598 				retval = -EIO;  in usblp_ioctl()
610 				retval = -EINVAL;  in usblp_ioctl()
619 				retval = -EFAULT;  in usblp_ioctl()
631 				retval = -EINVAL;  in usblp_ioctl()
640 				retval = -EFAULT;  in usblp_ioctl()
651 				retval = -EINVAL;  in usblp_ioctl()
654 			retval = usblp_reset(usblp);  in usblp_ioctl()
657 			retval = -ENOTTY;  in usblp_ioctl()
663 			if ((retval = usblp_read_status(usblp, usblp->statusbuf))) {  in usblp_ioctl()
666 					    usblp->minor, retval);  in usblp_ioctl()
667 				retval = -EIO;  in usblp_ioctl()
672 				retval = -EFAULT;  in usblp_ioctl()
683 			retval = -ENOTTY;  in usblp_ioctl()
688 	return retval;  in usblp_ioctl()
1088 	int retval;  in usblp_probe()  local
1094 		retval = -ENOMEM;  in usblp_probe()
1111 		retval = -ENOMEM;  in usblp_probe()
1121 		retval = -ENOMEM;  in usblp_probe()
1128 		retval = -ENOMEM;  in usblp_probe()
1144 		retval = -ENODEV;  in usblp_probe()
1150 		retval = -ENODEV;	/* ->probe isn't ->ioctl */  in usblp_probe()
1156 	retval = device_create_file(&intf->dev, &dev_attr_ieee1284_id);  in usblp_probe()
1157 	if (retval)  in usblp_probe()
1168 	retval = usb_register_dev(intf, &usblp_class);  in usblp_probe()
1169 	if (retval) {  in usblp_probe()
1172 			USBLP_MINOR_BASE, retval);  in usblp_probe()
1196 	return retval;  in usblp_probe()