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authorDaniel Borkmann <dborkman@redhat.com>2014-08-23 20:58:54 +0200
committerDavid S. Miller <davem@davemloft.net>2014-08-23 12:21:21 -0700
commit8fc54f68919298ff9689d980efb495707ef43f30 (patch)
treec8a0c89621a9e670be02764a357bb6e73ed7ab6c /net/ipv4/netfilter
parentnet: Allow raw buffers to be passed into the flow dissector. (diff)
downloadlinux-dev-8fc54f68919298ff9689d980efb495707ef43f30.tar.xz
linux-dev-8fc54f68919298ff9689d980efb495707ef43f30.zip
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>
Diffstat (limited to 'net/ipv4/netfilter')
-rw-r--r--net/ipv4/netfilter/ipt_CLUSTERIP.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 2510c02c2d21..e90f83a3415b 100644
--- 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