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| author | Florian Westphal <fw@strlen.de> | 2014-04-28 21:09:50 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2014-04-29 20:56:22 +0200 |
| commit | f768e5bdefe1ec9adbf7a116dfb156b73cacb582 (patch) | |
| tree | 1d49bc5b3184cc71d34090a4b056e3b9a9427fb9 /net/ipv6 | |
| parent | 683399eddb9fff742b1a14c5a5d03e12bfc0afff (diff) | |
| download | blackbird-obmc-linux-f768e5bdefe1ec9adbf7a116dfb156b73cacb582.tar.gz blackbird-obmc-linux-f768e5bdefe1ec9adbf7a116dfb156b73cacb582.zip | |
netfilter: add helper for adding nat extension
Reduce copy-past a bit by adding a common helper.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/netfilter/ip6table_nat.c | 14 | ||||
| -rw-r--r-- | net/ipv6/netfilter/nft_chain_nat_ipv6.c | 12 |
2 files changed, 6 insertions, 20 deletions
diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c index 84c7f33d0cf8..387d8b8fc18d 100644 --- a/net/ipv6/netfilter/ip6table_nat.c +++ b/net/ipv6/netfilter/ip6table_nat.c @@ -90,17 +90,9 @@ nf_nat_ipv6_fn(const struct nf_hook_ops *ops, if (nf_ct_is_untracked(ct)) return NF_ACCEPT; - nat = nfct_nat(ct); - if (!nat) { - /* NAT module was loaded late. */ - if (nf_ct_is_confirmed(ct)) - return NF_ACCEPT; - nat = nf_ct_ext_add(ct, NF_CT_EXT_NAT, GFP_ATOMIC); - if (nat == NULL) { - pr_debug("failed to add NAT extension\n"); - return NF_ACCEPT; - } - } + nat = nf_ct_nat_ext_add(ct); + if (nat == NULL) + return NF_ACCEPT; switch (ctinfo) { case IP_CT_RELATED: diff --git a/net/ipv6/netfilter/nft_chain_nat_ipv6.c b/net/ipv6/netfilter/nft_chain_nat_ipv6.c index 9c3297a768fd..d189fcb437fe 100644 --- a/net/ipv6/netfilter/nft_chain_nat_ipv6.c +++ b/net/ipv6/netfilter/nft_chain_nat_ipv6.c @@ -47,15 +47,9 @@ static unsigned int nf_nat_ipv6_fn(const struct nf_hook_ops *ops, if (ct == NULL || nf_ct_is_untracked(ct)) return NF_ACCEPT; - nat = nfct_nat(ct); - if (nat == NULL) { - /* Conntrack module was loaded late, can't add extension. */ - if (nf_ct_is_confirmed(ct)) - return NF_ACCEPT; - nat = nf_ct_ext_add(ct, NF_CT_EXT_NAT, GFP_ATOMIC); - if (nat == NULL) - return NF_ACCEPT; - } + nat = nf_ct_nat_ext_add(ct); + if (nat == NULL) + return NF_ACCEPT; switch (ctinfo) { case IP_CT_RELATED: |
