nfsd: Drop duplicate checking of seqid in nfsd4_create_session()

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

fs/nfsd/nfs4state.c

@@ -2555,12 +2555,10 @@ nfsd4_create_session(struct svc_rqst *rqstp,
 			goto out_free_conn;
 		cs_slot = &conf->cl_cs_slot;
 		status = check_slot_seqid(cr_ses->seqid, cs_slot->sl_seqid, 0);
-		if (status == nfserr_replay_cache) {
+		if (status) {
+			if (status == nfserr_replay_cache)
 				status = nfsd4_replay_create_session(cr_ses, cs_slot);
 			goto out_free_conn;
-		} else if (cr_ses->seqid != cs_slot->sl_seqid + 1) {
-			status = nfserr_seq_misordered;
-			goto out_free_conn;
 		}
 	} else if (unconf) {
 		if (!same_creds(&unconf->cl_cred, &rqstp->rq_cred) ||