diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index c6a726d..dd81ac1 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3194,7 +3194,7 @@
 		iov = &rqstp->rq_res.head[0];
 	iov->iov_len = ((char*)resp->p) - (char*)iov->iov_base;
 	BUG_ON(iov->iov_len > PAGE_SIZE);
-	if (resp->cstate.slot != NULL) {
+	if (nfsd4_has_session(&resp->cstate)) {
 		if (resp->cstate.status == nfserr_replay_cache &&
 				!nfsd4_not_cached(resp)) {
 			iov->iov_len = resp->cstate.iovlen;