MC_CMD_ERR_ARG_OFST
if (resp_data_len >= MC_CMD_ERR_ARG_OFST + 4) {
int offset = (resp_hdr_len + MC_CMD_ERR_ARG_OFST) / 4;
if (outlen >= MC_CMD_ERR_ARG_OFST + 4)
if (outlen >= MC_CMD_ERR_ARG_OFST + 4)