429 	size_t				bytes_copied;  in printer_read()  local
453 	bytes_copied = 0;  in printer_read()
514 		bytes_copied += size;  in printer_read()
551 	DBG(dev, "printer_read returned %d bytes\n", (int)bytes_copied);  in printer_read()
553 	if (bytes_copied)  in printer_read()
554 		return bytes_copied;  in printer_read()
565 	size_t			bytes_copied = 0;  in printer_write()  local
629 			return bytes_copied;  in printer_write()
632 		bytes_copied += size;  in printer_write()
660 	DBG(dev, "printer_write sent %d bytes\n", (int)bytes_copied);  in printer_write()
662 	if (bytes_copied)  in printer_write()
663 		return bytes_copied;  in printer_write()