net: use reciprocal_scale() helper

[deliverable/linux.git] / net / ipv4 / netfilter / ipt_CLUSTERIP.c

diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 2510c02c2d2168ffcd27f286c7eab3ca75165f26..e90f83a3415b464014cecf0f072b2188f6889b7a 100644 (file)
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -285,7 +285,7 @@ clusterip_hashfn(const struct sk_buff *skb,
        }
 
        /* node numbers are 1..n, not 0..n */
-       return (((u64)hashval * config->num_total_nodes) >> 32) + 1;
+       return reciprocal_scale(hashval, config->num_total_nodes) + 1;
 }
 
 static inline int