3238 	struct nfs4_client *conf, *new;  in nfsd4_exchange_id()  local
3309 	conf = find_confirmed_client_by_name(&exid->clname, nn);  in nfsd4_exchange_id()
3310 	if (conf) {  in nfsd4_exchange_id()
3311 		bool creds_match = same_creds(&conf->cl_cred, &rqstp->rq_cred);  in nfsd4_exchange_id()
3312 		bool verfs_match = same_verf(&verf, &conf->cl_verifier);  in nfsd4_exchange_id()
3315 			if (!clp_used_exchangeid(conf)) { /* buggy client */  in nfsd4_exchange_id()
3319 			if (!nfsd4_mach_creds_match(conf, rqstp)) {  in nfsd4_exchange_id()
3333 			trace_nfsd_clid_confirmed_r(conf);  in nfsd4_exchange_id()
3337 			if (client_has_state(conf)) {  in nfsd4_exchange_id()
3339 				trace_nfsd_clid_cred_mismatch(conf, rqstp);  in nfsd4_exchange_id()
3345 			conf->cl_exchange_flags |= EXCHGID4_FLAG_CONFIRMED_R;  in nfsd4_exchange_id()
3346 			trace_nfsd_clid_confirmed_r(conf);  in nfsd4_exchange_id()
3350 		trace_nfsd_clid_verf_mismatch(conf, rqstp, &verf);  in nfsd4_exchange_id()
3351 		conf = NULL;  in nfsd4_exchange_id()
3368 	if (conf) {  in nfsd4_exchange_id()
3369 		status = mark_client_expired_locked(conf);  in nfsd4_exchange_id()
3372 		trace_nfsd_clid_replaced(&conf->cl_clientid);  in nfsd4_exchange_id()
3379 	swap(new, conf);  in nfsd4_exchange_id()
3381 	exid->clientid.cl_boot = conf->cl_clientid.cl_boot;  in nfsd4_exchange_id()
3382 	exid->clientid.cl_id = conf->cl_clientid.cl_id;  in nfsd4_exchange_id()
3384 	exid->seqid = conf->cl_cs_slot.sl_seqid + 1;  in nfsd4_exchange_id()
3385 	nfsd4_set_ex_flags(conf, exid);  in nfsd4_exchange_id()
3388 		conf->cl_cs_slot.sl_seqid, conf->cl_exchange_flags);  in nfsd4_exchange_id()
3547 	struct nfs4_client *conf, *unconf;  in nfsd4_create_session()  local
3576 	conf = find_confirmed_client(&cr_ses->clientid, true, nn);  in nfsd4_create_session()
3577 	WARN_ON_ONCE(conf && unconf);  in nfsd4_create_session()
3579 	if (conf) {  in nfsd4_create_session()
3581 		if (!nfsd4_mach_creds_match(conf, rqstp))  in nfsd4_create_session()
3583 		cs_slot = &conf->cl_cs_slot;  in nfsd4_create_session()
3617 		conf = unconf;  in nfsd4_create_session()
3628 	init_session(rqstp, new, conf, cr_ses);  in nfsd4_create_session()
3639 	if (conf == unconf)  in nfsd4_create_session()
3640 		fsnotify_dentry(conf->cl_nfsd_info_dentry, FS_MODIFY);  in nfsd4_create_session()
4054 	struct nfs4_client *conf, *unconf;  in nfsd4_destroy_clientid()  local
4061 	conf = find_confirmed_client(&dc->clientid, true, nn);  in nfsd4_destroy_clientid()
4062 	WARN_ON_ONCE(conf && unconf);  in nfsd4_destroy_clientid()
4064 	if (conf) {  in nfsd4_destroy_clientid()
4065 		if (client_has_state(conf)) {  in nfsd4_destroy_clientid()
4069 		status = mark_client_expired_locked(conf);  in nfsd4_destroy_clientid()
4072 		clp = conf;  in nfsd4_destroy_clientid()
4141 	struct nfs4_client	*conf, *new;  in nfsd4_setclientid()  local
4150 	conf = find_confirmed_client_by_name(&clname, nn);  in nfsd4_setclientid()
4151 	if (conf && client_has_state(conf)) {  in nfsd4_setclientid()
4153 		if (clp_used_exchangeid(conf))  in nfsd4_setclientid()
4155 		if (!same_creds(&conf->cl_cred, &rqstp->rq_cred)) {  in nfsd4_setclientid()
4156 			trace_nfsd_clid_cred_mismatch(conf, rqstp);  in nfsd4_setclientid()
4163 	if (conf) {  in nfsd4_setclientid()
4164 		if (same_verf(&conf->cl_verifier, &clverifier)) {  in nfsd4_setclientid()
4165 			copy_clid(new, conf);  in nfsd4_setclientid()
4168 			trace_nfsd_clid_verf_mismatch(conf, rqstp,  in nfsd4_setclientid()
4198 	struct nfs4_client *conf, *unconf;  in nfsd4_setclientid_confirm()  local
4209 	conf = find_confirmed_client(clid, false, nn);  in nfsd4_setclientid_confirm()
4223 	if (conf && !same_creds(&conf->cl_cred, &rqstp->rq_cred)) {  in nfsd4_setclientid_confirm()
4224 		trace_nfsd_clid_cred_mismatch(conf, rqstp);  in nfsd4_setclientid_confirm()
4228 		if (conf && same_verf(&confirm, &conf->cl_confirm)) {  in nfsd4_setclientid_confirm()
4235 	if (conf) {  in nfsd4_setclientid_confirm()
4238 		nfsd4_change_callback(conf, &unconf->cl_cb_conn);  in nfsd4_setclientid_confirm()
4257 		conf = unconf;  in nfsd4_setclientid_confirm()
4259 	get_client_locked(conf);  in nfsd4_setclientid_confirm()
4261 	if (conf == unconf)  in nfsd4_setclientid_confirm()
4262 		fsnotify_dentry(conf->cl_nfsd_info_dentry, FS_MODIFY);  in nfsd4_setclientid_confirm()
4263 	nfsd4_probe_callback(conf);  in nfsd4_setclientid_confirm()
4265 	put_client_renew_locked(conf);  in nfsd4_setclientid_confirm()