net: use reciprocal_scale() helper

[sfrench/cifs-2.6.git] / net / netfilter / nf_conntrack_expect.c

diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index f87e8f68ad453e9baeec017cc74534e8ce85dfab..91a1837acd0e8fb981ccea73ae262197afecfb33 100644 (file)
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -83,7 +83,8 @@ static unsigned int nf_ct_expect_dst_hash(const struct nf_conntrack_tuple *tuple
        hash = jhash2(tuple->dst.u3.all, ARRAY_SIZE(tuple->dst.u3.all),
                      (((tuple->dst.protonum ^ tuple->src.l3num) << 16) |
                       (__force __u16)tuple->dst.u.all) ^ nf_conntrack_hash_rnd);
-       return ((u64)hash * nf_ct_expect_hsize) >> 32;
+
+       return reciprocal_scale(hash, nf_ct_expect_hsize);
 }
 
 struct nf_conntrack_expect *