[082/136] netfilter: nf_conntrack: netns fix re reliable conntrack event delivery

From: Greg KH
Date: Thu Oct 01 2009 - 21:33:54 EST



2.6.31-stable review patch. If anyone has any objections, please let us know.

------------------
From: Patrick McHardy <kaber@xxxxxxxxx>

netfilter: nf_conntrack: netns fix re reliable conntrack event delivery

Upstream commit ee254fa4:

Conntracks in netns other than init_net dying list were never killed.

Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Acked-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
net/netfilter/nf_conntrack_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1089,14 +1089,14 @@ void nf_conntrack_flush_report(struct ne
}
EXPORT_SYMBOL_GPL(nf_conntrack_flush_report);

-static void nf_ct_release_dying_list(void)
+static void nf_ct_release_dying_list(struct net *net)
{
struct nf_conntrack_tuple_hash *h;
struct nf_conn *ct;
struct hlist_nulls_node *n;

spin_lock_bh(&nf_conntrack_lock);
- hlist_nulls_for_each_entry(h, n, &init_net.ct.dying, hnnode) {
+ hlist_nulls_for_each_entry(h, n, &net->ct.dying, hnnode) {
ct = nf_ct_tuplehash_to_ctrack(h);
/* never fails to remove them, no listeners at this point */
nf_ct_kill(ct);
@@ -1115,7 +1115,7 @@ static void nf_conntrack_cleanup_net(str
{
i_see_dead_people:
nf_ct_iterate_cleanup(net, kill_all, NULL);
- nf_ct_release_dying_list();
+ nf_ct_release_dying_list(net);
if (atomic_read(&net->ct.count) != 0) {
schedule();
goto i_see_dead_people;


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