diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 23fb4e7..290af97 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -509,7 +509,8 @@
 }
 EXPORT_SYMBOL_GPL(xdr_commit_encode);
 
-__be32 *xdr_get_next_encode_buffer(struct xdr_stream *xdr, size_t nbytes)
+static __be32 *xdr_get_next_encode_buffer(struct xdr_stream *xdr,
+		size_t nbytes)
 {
 	static __be32 *p;
 	int space_left;