XS_CDBLEN
if (XS_CDBLEN(xs) > 16 || XS_CDBLEN(xs) == 0) {
isp_prt(isp, ISP_LOGERR, "unsupported cdb length (%d, CDB[0]=0x%x)", XS_CDBLEN(xs), XS_CDBP(xs)[0] & 0xff);
cdblen = XS_CDBLEN(xs);