diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c
index 0a1bd60..5ee1b0f 100644
--- a/fs/nfs/nfs42xdr.c
+++ b/fs/nfs/nfs42xdr.c
@@ -454,8 +454,9 @@ static int decode_clone(struct xdr_stream *xdr)
  */
 static int nfs4_xdr_dec_allocate(struct rpc_rqst *rqstp,
 				 struct xdr_stream *xdr,
-				 struct nfs42_falloc_res *res)
+				 void *data)
 {
+	struct nfs42_falloc_res *res = data;
 	struct compound_hdr hdr;
 	int status;
 
@@ -481,8 +482,9 @@ static int nfs4_xdr_dec_allocate(struct rpc_rqst *rqstp,
  */
 static int nfs4_xdr_dec_copy(struct rpc_rqst *rqstp,
 			     struct xdr_stream *xdr,
-			     struct nfs42_copy_res *res)
+			     void *data)
 {
+	struct nfs42_copy_res *res = data;
 	struct compound_hdr hdr;
 	int status;
 
@@ -514,8 +516,9 @@ static int nfs4_xdr_dec_copy(struct rpc_rqst *rqstp,
  */
 static int nfs4_xdr_dec_deallocate(struct rpc_rqst *rqstp,
 				   struct xdr_stream *xdr,
-				   struct nfs42_falloc_res *res)
+				   void *data)
 {
+	struct nfs42_falloc_res *res = data;
 	struct compound_hdr hdr;
 	int status;
 
@@ -541,8 +544,9 @@ static int nfs4_xdr_dec_deallocate(struct rpc_rqst *rqstp,
  */
 static int nfs4_xdr_dec_seek(struct rpc_rqst *rqstp,
 			     struct xdr_stream *xdr,
-			     struct nfs42_seek_res *res)
+			     void *data)
 {
+	struct nfs42_seek_res *res = data;
 	struct compound_hdr hdr;
 	int status;
 
@@ -565,8 +569,9 @@ static int nfs4_xdr_dec_seek(struct rpc_rqst *rqstp,
  */
 static int nfs4_xdr_dec_layoutstats(struct rpc_rqst *rqstp,
 				    struct xdr_stream *xdr,
-				    struct nfs42_layoutstat_res *res)
+				    void *data)
 {
+	struct nfs42_layoutstat_res *res = data;
 	struct compound_hdr hdr;
 	int status, i;
 
@@ -595,8 +600,9 @@ static int nfs4_xdr_dec_layoutstats(struct rpc_rqst *rqstp,
  */
 static int nfs4_xdr_dec_clone(struct rpc_rqst *rqstp,
 			      struct xdr_stream *xdr,
-			      struct nfs42_clone_res *res)
+			      void *data)
 {
+	struct nfs42_clone_res *res = data;
 	struct compound_hdr hdr;
 	int status;