From: Eric W Biederman <ebied...@xmission.com>
Since pernet hooks, we need to register the hook for each netnamespace space.
Based on a patch by Pablo Neira Ayuso <pa...@netfilter.org> that was
buggy and did a lot more.
Signed-off-by: Eric W Biederman <ebied...@xmission.com>
---
net/bridge/br_netfilter.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 15d0f3b78145..c6acff3a94ec 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -1246,11 +1246,26 @@ static struct ctl_table brnf_table[] = {
};
#endif
+static int __net_init br_nf_net_init(struct net *net)
+{
+ return nf_register_hooks(net, br_nf_ops, ARRAY_SIZE(br_nf_ops));
+}
+
+static void __net_exit br_nf_net_exit(struct net *net)
+{
+ nf_unregister_hooks(net, br_nf_ops, ARRAY_SIZE(br_nf_ops));
+}
+
+static struct pernet_operations br_nf_net_ops = {
+ .init = br_nf_net_init,
+ .exit = br_nf_net_exit,
+};
+
static int __init br_netfilter_init(void)
{
int ret;
- ret = nf_register_hooks(&init_net, br_nf_ops, ARRAY_SIZE(br_nf_ops));
+ ret = register_pernet_subsys(&br_nf_net_ops);
if (ret < 0)
return ret;
@@ -1271,7 +1286,6 @@ static int __init br_netfilter_init(void)
static void __exit br_netfilter_fini(void)
{
RCU_INIT_POINTER(nf_br_ops, NULL);
- nf_unregister_hooks(&init_net, br_nf_ops, ARRAY_SIZE(br_nf_ops));
#ifdef CONFIG_SYSCTL
unregister_net_sysctl_table(brnf_sysctl_header);
#endif
--
2.2.1
--
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