diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 4fc5b385f61e506a972002ab53502319122661f9..49cf969417c074e41fa03cde0d0a78a6aa59b756 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -291,6 +291,7 @@ int _nfs4_call_sync(struct nfs_server *server,
 		    struct nfs4_sequence_res *res,
 		    int cache_reply)
 {
+	args->sa_session = res->sr_session = NULL;
 	return rpc_call_sync(server->client, msg, 0);
 }
 
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index d837f10c49ef4fa466fe85282b12b320ddfbc7ce..f5675063f951cf5d332157fc2cbd11dd6a4eb173 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -162,11 +162,11 @@ struct nfs4_slot {
 };
 
 struct nfs4_sequence_args {
-	/* stub */
+	struct nfs4_session	*sa_session;
 };
 
 struct nfs4_sequence_res {
-	/* stub */
+	struct nfs4_session	*sr_session;
 };
 
 /*