2351 	struct nfs4_client *unconf = NULL;  in nfsd4_exchange_id()  local
2433 	unconf  = find_unconfirmed_client_by_name(&exid->clname, nn);  in nfsd4_exchange_id()
2434 	if (unconf) /* case 4, possible retry or client restart */  in nfsd4_exchange_id()
2435 		unhash_client_locked(unconf);  in nfsd4_exchange_id()
2465 	if (unconf)  in nfsd4_exchange_id()
2466 		expire_client(unconf);  in nfsd4_exchange_id()
2609 	struct nfs4_client *conf, *unconf;  in nfsd4_create_session()  local
2637 	unconf = find_unconfirmed_client(&cr_ses->clientid, true, nn);  in nfsd4_create_session()
2639 	WARN_ON_ONCE(conf && unconf);  in nfsd4_create_session()
2652 	} else if (unconf) {  in nfsd4_create_session()
2653 		if (!same_creds(&unconf->cl_cred, &rqstp->rq_cred) ||  in nfsd4_create_session()
2654 		    !rpc_cmp_addr(sa, (struct sockaddr *) &unconf->cl_addr)) {  in nfsd4_create_session()
2659 		if (!mach_creds_match(unconf, rqstp))  in nfsd4_create_session()
2661 		cs_slot = &unconf->cl_cs_slot;  in nfsd4_create_session()
2668 		old = find_confirmed_client_by_name(&unconf->cl_name, nn);  in nfsd4_create_session()
2676 		move_to_confirmed(unconf);  in nfsd4_create_session()
2677 		conf = unconf;  in nfsd4_create_session()
3030 	struct nfs4_client *conf, *unconf;  in nfsd4_destroy_clientid()  local
3036 	unconf = find_unconfirmed_client(&dc->clientid, true, nn);  in nfsd4_destroy_clientid()
3038 	WARN_ON_ONCE(conf && unconf);  in nfsd4_destroy_clientid()
3049 	} else if (unconf)  in nfsd4_destroy_clientid()
3050 		clp = unconf;  in nfsd4_destroy_clientid()
3112 	struct nfs4_client	*unconf = NULL;  in nfsd4_setclientid()  local
3136 	unconf = find_unconfirmed_client_by_name(&clname, nn);  in nfsd4_setclientid()
3137 	if (unconf)  in nfsd4_setclientid()
3138 		unhash_client_locked(unconf);  in nfsd4_setclientid()
3157 	if (unconf)  in nfsd4_setclientid()
3158 		expire_client(unconf);  in nfsd4_setclientid()
3168 	struct nfs4_client *conf, *unconf;  in nfsd4_setclientid_confirm()  local
3180 	unconf = find_unconfirmed_client(clid, false, nn);  in nfsd4_setclientid_confirm()
3189 	if (unconf && !same_creds(&unconf->cl_cred, &rqstp->rq_cred))  in nfsd4_setclientid_confirm()
3194 	if (!unconf || !same_verf(&confirm, &unconf->cl_confirm)) {  in nfsd4_setclientid_confirm()
3195 		if (conf && !unconf) /* case 2: probable retransmit */  in nfsd4_setclientid_confirm()
3203 		old = unconf;  in nfsd4_setclientid_confirm()
3205 		nfsd4_change_callback(conf, &unconf->cl_cb_conn);  in nfsd4_setclientid_confirm()
3207 		old = find_confirmed_client_by_name(&unconf->cl_name, nn);  in nfsd4_setclientid_confirm()
3211 					&& !same_creds(&unconf->cl_cred,  in nfsd4_setclientid_confirm()
3220 		move_to_confirmed(unconf);  in nfsd4_setclientid_confirm()
3221 		conf = unconf;  in nfsd4_setclientid_confirm()