--- zzzz-none-000/linux-2.6.32.61/fs/nfs/nfs2xdr.c	2013-06-10 09:43:48.000000000 +0000
+++ ar9-7330-650/linux-2.6.32.61/fs/nfs/nfs2xdr.c	2011-10-21 12:21:44.000000000 +0000
@@ -427,7 +427,7 @@
 	unsigned int pglen, recvd;
 	u32 len;
 	int status, nr = 0;
-	__be32 *end, *entry, *kaddr;
+	__be32 *end, *entry, *kaddr __maybe_unused__;
 
 	if ((status = ntohl(*p++)))
 		return nfs_stat_to_errno(status);