nfsd4: no need for replay_owner in sessions case

The replay_owner will never be used in the sessions case.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 609e1e2..c97bb42 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -413,7 +413,7 @@
 	WARN_ON(status && open->op_created);
 out:
 	nfsd4_cleanup_open_state(open, status);
-	if (open->op_openowner)
+	if (open->op_openowner && !nfsd4_has_session(cstate))
 		cstate->replay_owner = &open->op_openowner->oo_owner;
 	nfsd4_bump_seqid(cstate, status);
 	if (!cstate->replay_owner)