parse_retval
int retval, parse_retval;
parse_retval = parse_board_ibrd_readback(in_data, &status, buffer, length, &actual_length);
if (parse_retval != usb_bytes_read) {
if (parse_retval >= 0)
parse_retval = -EIO;
parse_retval, usb_bytes_read);
return parse_retval;
err = parse_retval(val, &spec->priv.retval, "__retval");
err = parse_retval(val, &spec->unpriv.retval, "__retval_unpriv");