nfsd41: Remove ip address collision detection case
[linux-2.6-block.git] / fs / nfsd / nfs4state.c
index 99570c49add58e3ac938aca9cc1a841f5bf44f79..ef6944b19f0662f851d8189d6c76b5afdd3cbdf0 100644 (file)
@@ -1247,12 +1247,6 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
                        expire_client(conf);
                        goto out_new;
                }
-               if (ip_addr != conf->cl_addr &&
-                   !(exid->flags & EXCHGID4_FLAG_UPD_CONFIRMED_REC_A)) {
-                       /* Client collision. 18.35.4 case 3 */
-                       status = nfserr_clid_inuse;
-                       goto out;
-               }
                /*
                 * Set bit when the owner id and verifier map to an already
                 * confirmed client id (18.35.3).
@@ -1266,12 +1260,12 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
                copy_verf(conf, &verf);
                new = conf;
                goto out_copy;
-       } else {
-               /* 18.35.4 case 7 */
-               if (exid->flags & EXCHGID4_FLAG_UPD_CONFIRMED_REC_A) {
-                       status = nfserr_noent;
-                       goto out;
-               }
+       }
+
+       /* 18.35.4 case 7 */
+       if (exid->flags & EXCHGID4_FLAG_UPD_CONFIRMED_REC_A) {
+               status = nfserr_noent;
+               goto out;
        }
 
        unconf  = find_unconfirmed_client_by_str(dname, strhashval, true);