2350 	struct nfs4_client *conf, *new;  in nfsd4_exchange_id()  local
2386 	conf = find_confirmed_client_by_name(&exid->clname, nn);  in nfsd4_exchange_id()
2387 	if (conf) {  in nfsd4_exchange_id()
2388 		bool creds_match = same_creds(&conf->cl_cred, &rqstp->rq_cred);  in nfsd4_exchange_id()
2389 		bool verfs_match = same_verf(&verf, &conf->cl_verifier);  in nfsd4_exchange_id()
2392 			if (!clp_used_exchangeid(conf)) { /* buggy client */  in nfsd4_exchange_id()
2396 			if (!mach_creds_match(conf, rqstp)) {  in nfsd4_exchange_id()
2413 			if (client_has_state(conf)) {  in nfsd4_exchange_id()
2420 			conf->cl_exchange_flags |= EXCHGID4_FLAG_CONFIRMED_R;  in nfsd4_exchange_id()
2424 		conf = NULL;  in nfsd4_exchange_id()
2439 	if (conf) {  in nfsd4_exchange_id()
2440 		status = mark_client_expired_locked(conf);  in nfsd4_exchange_id()
2449 	swap(new, conf);  in nfsd4_exchange_id()
2451 	exid->clientid.cl_boot = conf->cl_clientid.cl_boot;  in nfsd4_exchange_id()
2452 	exid->clientid.cl_id = conf->cl_clientid.cl_id;  in nfsd4_exchange_id()
2454 	exid->seqid = conf->cl_cs_slot.sl_seqid + 1;  in nfsd4_exchange_id()
2455 	nfsd4_set_ex_flags(conf, exid);  in nfsd4_exchange_id()
2458 		conf->cl_cs_slot.sl_seqid, conf->cl_exchange_flags);  in nfsd4_exchange_id()
2609 	struct nfs4_client *conf, *unconf;  in nfsd4_create_session()  local
2638 	conf = find_confirmed_client(&cr_ses->clientid, true, nn);  in nfsd4_create_session()
2639 	WARN_ON_ONCE(conf && unconf);  in nfsd4_create_session()
2641 	if (conf) {  in nfsd4_create_session()
2643 		if (!mach_creds_match(conf, rqstp))  in nfsd4_create_session()
2645 		cs_slot = &conf->cl_cs_slot;  in nfsd4_create_session()
2677 		conf = unconf;  in nfsd4_create_session()
2689 	init_session(rqstp, new, conf, cr_ses);  in nfsd4_create_session()
3030 	struct nfs4_client *conf, *unconf;  in nfsd4_destroy_clientid()  local
3037 	conf = find_confirmed_client(&dc->clientid, true, nn);  in nfsd4_destroy_clientid()
3038 	WARN_ON_ONCE(conf && unconf);  in nfsd4_destroy_clientid()
3040 	if (conf) {  in nfsd4_destroy_clientid()
3041 		if (client_has_state(conf)) {  in nfsd4_destroy_clientid()
3045 		status = mark_client_expired_locked(conf);  in nfsd4_destroy_clientid()
3048 		clp = conf;  in nfsd4_destroy_clientid()
3111 	struct nfs4_client	*conf, *new;  in nfsd4_setclientid()  local
3121 	conf = find_confirmed_client_by_name(&clname, nn);  in nfsd4_setclientid()
3122 	if (conf && client_has_state(conf)) {  in nfsd4_setclientid()
3125 		if (clp_used_exchangeid(conf))  in nfsd4_setclientid()
3127 		if (!same_creds(&conf->cl_cred, &rqstp->rq_cred)) {  in nfsd4_setclientid()
3129 			rpc_ntop((struct sockaddr *) &conf->cl_addr, addr_str,  in nfsd4_setclientid()
3139 	if (conf && same_verf(&conf->cl_verifier, &clverifier)) {  in nfsd4_setclientid()
3141 		copy_clid(new, conf);  in nfsd4_setclientid()
3168 	struct nfs4_client *conf, *unconf;  in nfsd4_setclientid_confirm()  local
3179 	conf = find_confirmed_client(clid, false, nn);  in nfsd4_setclientid_confirm()
3191 	if (conf && !same_creds(&conf->cl_cred, &rqstp->rq_cred))  in nfsd4_setclientid_confirm()
3195 		if (conf && !unconf) /* case 2: probable retransmit */  in nfsd4_setclientid_confirm()
3202 	if (conf) { /* case 1: callback update */  in nfsd4_setclientid_confirm()
3205 		nfsd4_change_callback(conf, &unconf->cl_cb_conn);  in nfsd4_setclientid_confirm()
3221 		conf = unconf;  in nfsd4_setclientid_confirm()
3223 	get_client_locked(conf);  in nfsd4_setclientid_confirm()
3225 	nfsd4_probe_callback(conf);  in nfsd4_setclientid_confirm()
3227 	put_client_renew_locked(conf);  in nfsd4_setclientid_confirm()