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| author | David S. Miller <davem@davemloft.net> | 2017-04-15 21:16:30 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-15 21:16:30 -0400 |
| commit | 6b6cbc1471676402565e958674523d06213b82d7 (patch) | |
| tree | a66d41d276e5eb400e27641f24f34032fe1b9275 /net/netfilter/nft_hash.c | |
| parent | ce07183282975026716107d36fd3f5f93de76668 (diff) | |
| parent | 1bf4b1268e66d9364fc6fd41f906bc01458530ac (diff) | |
| download | linux-6b6cbc1471676402565e958674523d06213b82d7.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were simply overlapping changes. In the net/ipv4/route.c
case the code had simply moved around a little bit and the same fix
was made in both 'net' and 'net-next'.
In the net/sched/sch_generic.c case a fix in 'net' happened at
the same time that a new argument was added to qdisc_hash_add().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/nft_hash.c')
| -rw-r--r-- | net/netfilter/nft_hash.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c index a6a4633725bb..52a5079a91a3 100644 --- a/net/netfilter/nft_hash.c +++ b/net/netfilter/nft_hash.c @@ -21,6 +21,7 @@ struct nft_jhash { enum nft_registers sreg:8; enum nft_registers dreg:8; u8 len; + bool autogen_seed:1; u32 modulus; u32 seed; u32 offset; @@ -102,10 +103,12 @@ static int nft_jhash_init(const struct nft_ctx *ctx, if (priv->offset + priv->modulus - 1 < priv->offset) return -EOVERFLOW; - if (tb[NFTA_HASH_SEED]) + if (tb[NFTA_HASH_SEED]) { priv->seed = ntohl(nla_get_be32(tb[NFTA_HASH_SEED])); - else + } else { + priv->autogen_seed = true; get_random_bytes(&priv->seed, sizeof(priv->seed)); + } return nft_validate_register_load(priv->sreg, len) && nft_validate_register_store(ctx, priv->dreg, NULL, @@ -151,7 +154,8 @@ static int nft_jhash_dump(struct sk_buff *skb, goto nla_put_failure; if (nla_put_be32(skb, NFTA_HASH_MODULUS, htonl(priv->modulus))) goto nla_put_failure; - if (nla_put_be32(skb, NFTA_HASH_SEED, htonl(priv->seed))) + if (!priv->autogen_seed && + nla_put_be32(skb, NFTA_HASH_SEED, htonl(priv->seed))) goto nla_put_failure; if (priv->offset != 0) if (nla_put_be32(skb, NFTA_HASH_OFFSET, htonl(priv->offset))) |