smb_decode_sd
if (smb_decode_sd(&cce->cce_mbc, op->sd) != 0)
status = smb_decode_sd(&si->si_data, &sd);
status = smb_decode_sd(&xa->req_data_mb, &sd);
status = smb_decode_sd(&xa->req_data_mb, &sd);
uint32_t smb_decode_sd(mbuf_chain_t *, smb_sd_t *);