SDMMC_SCSIID_MAX
(SDMMC_SCSIID_MAX+1), M_DEVBUF, M_WAITOK | M_ZERO);
if (scbus->sc_ntargets >= SDMMC_SCSIID_MAX+1)
sizeof(*scbus->sc_tgt) * (SDMMC_SCSIID_MAX+1));
sizeof(*scbus->sc_tgt) * (SDMMC_SCSIID_MAX+1));