return (-1);
}
error = (uint16_t) ss->rsp[sizeof(pdu)] << 8;
error = (uint16_t) ss->rsp[sizeof(*pdu)] << 8;
error |= (uint16_t) ss->rsp[sizeof(pdu) + 1];
error |= (uint16_t) ss->rsp[sizeof(*pdu) + 1];
if (error != 0) {
ss->error = EIO;