From 8fc54f68919298ff9689d980efb495707ef43f30 Mon Sep 17 00:00:00 2001
From: Daniel Borkmann <dborkman@redhat.com>
Date: Sat, 23 Aug 2014 20:58:54 +0200
Subject: net: use reciprocal_scale() helper

Replace open codings of (((u64) <x> * <y>) >> 32) with reciprocal_scale().

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/xt_HMARK.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'net/netfilter/xt_HMARK.c')

diff --git a/net/netfilter/xt_HMARK.c b/net/netfilter/xt_HMARK.c
index 73b73f687c58..02afaf48a729 100644
--- a/net/netfilter/xt_HMARK.c
+++ b/net/netfilter/xt_HMARK.c
@@ -126,7 +126,7 @@ hmark_hash(struct hmark_tuple *t, const struct xt_hmark_info *info)
 	hash = jhash_3words(src, dst, t->uports.v32, info->hashrnd);
 	hash = hash ^ (t->proto & info->proto_mask);
 
-	return (((u64)hash * info->hmodulus) >> 32) + info->hoffset;
+	return reciprocal_scale(hash, info->hmodulus) + info->hoffset;
 }
 
 static void
-- 
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