Merge "hal: fix usage of call by reference pointer"

    str_parms_get_int(parms, "stream", stream);

    if (*controller < 0 || *controller >= MAX_CONTROLLERS ||

            *stream < 0 || *stream >= MAX_STREAMS_PER_CONTROLLER) {

        controller = 0;

        stream = 0;

        *controller = 0;

        *stream = 0;

        return -1;

    }

    return 0;