nfsrv_checkmachcred
static int nfsrv_checkmachcred(int op, struct nfsrv_descript *nd,
if (op != 0 && nfsrv_checkmachcred(op, nd, clp) != 0)
error = nfsrv_checkmachcred(NFSV4OP_BINDCONNTOSESS, nd, clp);
if (nd != NULL && nfsrv_checkmachcred(NFSV4OP_DESTROYSESSION,
error = nfsrv_checkmachcred(NFSV4OP_DESTROYCLIENTID, nd, clp);