2324 	struct nfs4_client *conf, *new;  in nfsd4_exchange_id()  local
2360 	conf = find_confirmed_client_by_name(&exid->clname, nn);  in nfsd4_exchange_id()
2361 	if (conf) {  in nfsd4_exchange_id()
2362 		bool creds_match = same_creds(&conf->cl_cred, &rqstp->rq_cred);  in nfsd4_exchange_id()
2363 		bool verfs_match = same_verf(&verf, &conf->cl_verifier);  in nfsd4_exchange_id()
2366 			if (!clp_used_exchangeid(conf)) { /* buggy client */  in nfsd4_exchange_id()
2370 			if (!mach_creds_match(conf, rqstp)) {  in nfsd4_exchange_id()
2387 			if (client_has_state(conf)) {  in nfsd4_exchange_id()
2394 			conf->cl_exchange_flags |= EXCHGID4_FLAG_CONFIRMED_R;  in nfsd4_exchange_id()
2398 		conf = NULL;  in nfsd4_exchange_id()
2413 	if (conf) {  in nfsd4_exchange_id()
2414 		status = mark_client_expired_locked(conf);  in nfsd4_exchange_id()
2423 	swap(new, conf);  in nfsd4_exchange_id()
2425 	exid->clientid.cl_boot = conf->cl_clientid.cl_boot;  in nfsd4_exchange_id()
2426 	exid->clientid.cl_id = conf->cl_clientid.cl_id;  in nfsd4_exchange_id()
2428 	exid->seqid = conf->cl_cs_slot.sl_seqid + 1;  in nfsd4_exchange_id()
2429 	nfsd4_set_ex_flags(conf, exid);  in nfsd4_exchange_id()
2432 		conf->cl_cs_slot.sl_seqid, conf->cl_exchange_flags);  in nfsd4_exchange_id()
2583 	struct nfs4_client *conf, *unconf;  in nfsd4_create_session()  local
2612 	conf = find_confirmed_client(&cr_ses->clientid, true, nn);  in nfsd4_create_session()
2613 	WARN_ON_ONCE(conf && unconf);  in nfsd4_create_session()
2615 	if (conf) {  in nfsd4_create_session()
2617 		if (!mach_creds_match(conf, rqstp))  in nfsd4_create_session()
2619 		cs_slot = &conf->cl_cs_slot;  in nfsd4_create_session()
2653 		conf = unconf;  in nfsd4_create_session()
2665 	init_session(rqstp, new, conf, cr_ses);  in nfsd4_create_session()
3006 	struct nfs4_client *conf, *unconf;  in nfsd4_destroy_clientid()  local
3013 	conf = find_confirmed_client(&dc->clientid, true, nn);  in nfsd4_destroy_clientid()
3014 	WARN_ON_ONCE(conf && unconf);  in nfsd4_destroy_clientid()
3016 	if (conf) {  in nfsd4_destroy_clientid()
3017 		if (client_has_state(conf)) {  in nfsd4_destroy_clientid()
3021 		status = mark_client_expired_locked(conf);  in nfsd4_destroy_clientid()
3024 		clp = conf;  in nfsd4_destroy_clientid()
3087 	struct nfs4_client	*conf, *new;  in nfsd4_setclientid()  local
3097 	conf = find_confirmed_client_by_name(&clname, nn);  in nfsd4_setclientid()
3098 	if (conf) {  in nfsd4_setclientid()
3101 		if (clp_used_exchangeid(conf))  in nfsd4_setclientid()
3103 		if (!same_creds(&conf->cl_cred, &rqstp->rq_cred)) {  in nfsd4_setclientid()
3105 			rpc_ntop((struct sockaddr *) &conf->cl_addr, addr_str,  in nfsd4_setclientid()
3115 	if (conf && same_verf(&conf->cl_verifier, &clverifier))  in nfsd4_setclientid()
3117 		copy_clid(new, conf);  in nfsd4_setclientid()
3143 	struct nfs4_client *conf, *unconf;  in nfsd4_setclientid_confirm()  local
3154 	conf = find_confirmed_client(clid, false, nn);  in nfsd4_setclientid_confirm()
3165 	if (conf && !same_creds(&conf->cl_cred, &rqstp->rq_cred))  in nfsd4_setclientid_confirm()
3169 		if (conf && !unconf) /* case 2: probable retransmit */  in nfsd4_setclientid_confirm()
3176 	if (conf) { /* case 1: callback update */  in nfsd4_setclientid_confirm()
3179 		nfsd4_change_callback(conf, &unconf->cl_cb_conn);  in nfsd4_setclientid_confirm()
3190 		conf = unconf;  in nfsd4_setclientid_confirm()
3192 	get_client_locked(conf);  in nfsd4_setclientid_confirm()
3194 	nfsd4_probe_callback(conf);  in nfsd4_setclientid_confirm()
3196 	put_client_renew_locked(conf);  in nfsd4_setclientid_confirm()