SIM driver question

[eisencah eisenach]

Hi.
Is there any reason why in the sim_handler()  function,  in 

    case SIM_STATE_TX_DATA:
        if (!txDoneFlag)
            break; /* wait until data is transmitted */
        /* Disable all interrupt driven functions */
        writew(0xFF, REG_SIM_MASKIT);
        /* Ignore waiting char for RUN GSM ALGORITHM */
        /* TODO: implement proper handling of the "Procedure Bytes"
           than this is no longer needed */
        if(sim_data[1] == 0x88)
            sim_ignore_waiting_char = 1;
        sim_state = SIM_STATE_RX_STATUS;
        calypso_sim_receive(response + length + 1, 2);
        break;

we do  "calypso_sim_receive(response + length + 1, 2);" instead of   "calypso_sim_receive(response + 1, 2);". 
Seems an unnecessary overhead sending back some junk chars there. Or I'm missing something?
Cheers,
Mihai.
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