summaryrefslogtreecommitdiff
path: root/net/ipv6
diff options
context:
space:
mode:
authorFlorian Westphal <fw@strlen.de>2014-04-28 21:09:50 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2014-04-29 20:56:22 +0200
commitf768e5bdefe1ec9adbf7a116dfb156b73cacb582 (patch)
tree1d49bc5b3184cc71d34090a4b056e3b9a9427fb9 /net/ipv6
parent683399eddb9fff742b1a14c5a5d03e12bfc0afff (diff)
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.c14
-rw-r--r--net/ipv6/netfilter/nft_chain_nat_ipv6.c12
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: