--- zzzz-none-000/linux-2.6.32.61/fs/jffs2/writev.c	2013-06-10 09:43:48.000000000 +0000
+++ ar10-7272-687/linux-2.6.32.61/fs/jffs2/writev.c	2011-10-21 12:21:44.000000000 +0000
@@ -64,7 +64,7 @@
 	ret = c->mtd->write(c->mtd, ofs, len, retlen, buf);
 
 	if (jffs2_sum_active()) {
-		struct kvec vecs[1];
+		struct kvec vecs[1] __attribute__((unused));
 		int res;
 
 		vecs[0].iov_base = (unsigned char *) buf;