diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c
index 2fd465cab631..d80ee88ca996 100644
--- a/fs/nfs/nfs42xdr.c
+++ b/fs/nfs/nfs42xdr.c
@@ -47,13 +47,14 @@
 #define decode_deallocate_maxsz		(op_decode_hdr_maxsz)
 #define encode_read_plus_maxsz		(op_encode_hdr_maxsz + \
 					 encode_stateid_maxsz + 3)
-#define NFS42_READ_PLUS_SEGMENT_SIZE	(1 /* data_content4 */ + \
+#define NFS42_READ_PLUS_DATA_SEGMENT_SIZE \
+					(1 /* data_content4 */ + \
 					 2 /* data_info4.di_offset */ + \
-					 2 /* data_info4.di_length */)
+					 1 /* data_info4.di_length */)
 #define decode_read_plus_maxsz		(op_decode_hdr_maxsz + \
 					 1 /* rpr_eof */ + \
 					 1 /* rpr_contents count */ + \
-					 2 * NFS42_READ_PLUS_SEGMENT_SIZE)
+					 NFS42_READ_PLUS_DATA_SEGMENT_SIZE)
 #define encode_seek_maxsz		(op_encode_hdr_maxsz + \
 					 encode_stateid_maxsz + \
 					 2 /* offset */ + \