2959 	struct nfs4_client *conf, *new;  in nfsd4_exchange_id()  local
3029 	conf = find_confirmed_client_by_name(&exid->clname, nn);  in nfsd4_exchange_id()
3030 	if (conf) {  in nfsd4_exchange_id()
3031 		bool creds_match = same_creds(&conf->cl_cred, &rqstp->rq_cred);  in nfsd4_exchange_id()
3032 		bool verfs_match = same_verf(&verf, &conf->cl_verifier);  in nfsd4_exchange_id()
3035 			if (!clp_used_exchangeid(conf)) { /* buggy client */  in nfsd4_exchange_id()
3039 			if (!nfsd4_mach_creds_match(conf, rqstp)) {  in nfsd4_exchange_id()
3056 			if (client_has_state(conf)) {  in nfsd4_exchange_id()
3063 			conf->cl_exchange_flags |= EXCHGID4_FLAG_CONFIRMED_R;  in nfsd4_exchange_id()
3067 		conf = NULL;  in nfsd4_exchange_id()
3082 	if (conf) {  in nfsd4_exchange_id()
3083 		status = mark_client_expired_locked(conf);  in nfsd4_exchange_id()
3092 	swap(new, conf);  in nfsd4_exchange_id()
3094 	exid->clientid.cl_boot = conf->cl_clientid.cl_boot;  in nfsd4_exchange_id()
3095 	exid->clientid.cl_id = conf->cl_clientid.cl_id;  in nfsd4_exchange_id()
3097 	exid->seqid = conf->cl_cs_slot.sl_seqid + 1;  in nfsd4_exchange_id()
3098 	nfsd4_set_ex_flags(conf, exid);  in nfsd4_exchange_id()
3101 		conf->cl_cs_slot.sl_seqid, conf->cl_exchange_flags);  in nfsd4_exchange_id()
3258 	struct nfs4_client *conf, *unconf;  in nfsd4_create_session()  local
3287 	conf = find_confirmed_client(&cr_ses->clientid, true, nn);  in nfsd4_create_session()
3288 	WARN_ON_ONCE(conf && unconf);  in nfsd4_create_session()
3290 	if (conf) {  in nfsd4_create_session()
3292 		if (!nfsd4_mach_creds_match(conf, rqstp))  in nfsd4_create_session()
3294 		cs_slot = &conf->cl_cs_slot;  in nfsd4_create_session()
3326 		conf = unconf;  in nfsd4_create_session()
3337 	init_session(rqstp, new, conf, cr_ses);  in nfsd4_create_session()
3721 	struct nfs4_client *conf, *unconf;  in nfsd4_destroy_clientid()  local
3728 	conf = find_confirmed_client(&dc->clientid, true, nn);  in nfsd4_destroy_clientid()
3729 	WARN_ON_ONCE(conf && unconf);  in nfsd4_destroy_clientid()
3731 	if (conf) {  in nfsd4_destroy_clientid()
3732 		if (client_has_state(conf)) {  in nfsd4_destroy_clientid()
3736 		status = mark_client_expired_locked(conf);  in nfsd4_destroy_clientid()
3739 		clp = conf;  in nfsd4_destroy_clientid()
3806 	struct nfs4_client	*conf, *new;  in nfsd4_setclientid()  local
3816 	conf = find_confirmed_client_by_name(&clname, nn);  in nfsd4_setclientid()
3817 	if (conf && client_has_state(conf)) {  in nfsd4_setclientid()
3820 		if (clp_used_exchangeid(conf))  in nfsd4_setclientid()
3822 		if (!same_creds(&conf->cl_cred, &rqstp->rq_cred)) {  in nfsd4_setclientid()
3824 			rpc_ntop((struct sockaddr *) &conf->cl_addr, addr_str,  in nfsd4_setclientid()
3834 	if (conf && same_verf(&conf->cl_verifier, &clverifier)) {  in nfsd4_setclientid()
3836 		copy_clid(new, conf);  in nfsd4_setclientid()
3865 	struct nfs4_client *conf, *unconf;  in nfsd4_setclientid_confirm()  local
3876 	conf = find_confirmed_client(clid, false, nn);  in nfsd4_setclientid_confirm()
3888 	if (conf && !same_creds(&conf->cl_cred, &rqstp->rq_cred))  in nfsd4_setclientid_confirm()
3892 		if (conf && same_verf(&confirm, &conf->cl_confirm)) {  in nfsd4_setclientid_confirm()
3900 	if (conf) { /* case 1: callback update */  in nfsd4_setclientid_confirm()
3903 		nfsd4_change_callback(conf, &unconf->cl_cb_conn);  in nfsd4_setclientid_confirm()
3919 		conf = unconf;  in nfsd4_setclientid_confirm()
3921 	get_client_locked(conf);  in nfsd4_setclientid_confirm()
3923 	nfsd4_probe_callback(conf);  in nfsd4_setclientid_confirm()
3925 	put_client_renew_locked(conf);  in nfsd4_setclientid_confirm()