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authorDavid S. Miller <davem@davemloft.net>2011-12-28 21:06:58 +0100
committerDavid S. Miller <davem@davemloft.net>2011-12-28 21:06:58 +0100
commit2c2aba6c561ac425602f4a0be61422224cb87151 (patch)
tree30b5f2c40b823ca61e2e0930d5e98a89a83222bb /net/decnet/dn_neigh.c
parentnetrom: avoid overflows in nr_setsockopt() (diff)
downloadlinux-2c2aba6c561ac425602f4a0be61422224cb87151.tar.xz
linux-2c2aba6c561ac425602f4a0be61422224cb87151.zip
ipv6: Use universal hash for NDISC.
In order to perform a proper universal hash on a vector of integers, we have to use different universal hashes on each vector element. Which means we need 4 different hash randoms for ipv6. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/decnet/dn_neigh.c')
-rw-r--r--net/decnet/dn_neigh.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 7d2fff29380f..befe426491ba 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -88,9 +88,9 @@ static const struct neigh_ops dn_phase3_ops = {
static u32 dn_neigh_hash(const void *pkey,
const struct net_device *dev,
- __u32 hash_rnd)
+ __u32 *hash_rnd)
{
- return jhash_2words(*(__u16 *)pkey, 0, hash_rnd);
+ return jhash_2words(*(__u16 *)pkey, 0, hash_rnd[0]);
}
struct neigh_table dn_neigh_table = {