diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2009-06-13 12:28:22 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2009-06-13 12:28:22 +0200 |
| commit | 9858a3ae1d4b390fbaa9c30b83cb66d861b76294 (patch) | |
| tree | 897127b38a48de3c8c404431303614218ba2bc0f /net | |
| parent | netfilter: conntrack: move event caching to conntrack extension infrastructure (diff) | |
| download | linux-9858a3ae1d4b390fbaa9c30b83cb66d861b76294.tar.xz linux-9858a3ae1d4b390fbaa9c30b83cb66d861b76294.zip | |
netfilter: conntrack: move helper destruction to nf_ct_helper_destroy()
This patch moves the helper destruction to a function that lives
in nf_conntrack_helper.c. This new function is used in the patch
to add ctnetlink reliable event delivery.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 11 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_helper.c | 14 |
2 files changed, 15 insertions, 10 deletions
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index bcacbb5373c3..14235b144cb5 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -224,17 +224,8 @@ static void death_by_timeout(unsigned long ul_conntrack) { struct nf_conn *ct = (void *)ul_conntrack; struct net *net = nf_ct_net(ct); - struct nf_conn_help *help = nfct_help(ct); - struct nf_conntrack_helper *helper; - - if (help) { - rcu_read_lock(); - helper = rcu_dereference(help->helper); - if (helper && helper->destroy) - helper->destroy(ct); - rcu_read_unlock(); - } + nf_ct_helper_destroy(ct); spin_lock_bh(&nf_conntrack_lock); /* Inside lock so preempt is disabled on module removal path. * Otherwise we can get spurious warnings. */ diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index 0fa5a422959f..65c2a7bc3afc 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -136,6 +136,20 @@ static inline int unhelp(struct nf_conntrack_tuple_hash *i, return 0; } +void nf_ct_helper_destroy(struct nf_conn *ct) +{ + struct nf_conn_help *help = nfct_help(ct); + struct nf_conntrack_helper *helper; + + if (help) { + rcu_read_lock(); + helper = rcu_dereference(help->helper); + if (helper && helper->destroy) + helper->destroy(ct); + rcu_read_unlock(); + } +} + int nf_conntrack_helper_register(struct nf_conntrack_helper *me) { unsigned int h = helper_hash(&me->tuple); |