netdev - PATCH 19/38] netns ct: cleanup after L3 and L4 proto in every netns

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Message-ID: <20080821220414.GS31136@x200.localdomain>
Date:	Fri, 22 Aug 2008 02:04:14 +0400
From:	adobriyan@...il.com
To:	kaber@...sh.net, netfilter-devel@...r.kernel.org,
	netdev@...r.kernel.org, containers@...ts.linux-foundation.org
Subject: PATCH 19/38] netns ct: cleanup after L3 and L4 proto in every netns

Start massacre in every netns when proto in unregistered (read: rmmod).

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 net/netfilter/nf_conntrack_proto.c |   11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -207,6 +207,8 @@ EXPORT_SYMBOL_GPL(nf_conntrack_l3proto_register);
 
 void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto)
 {
+	struct net *net;
+
 	BUG_ON(proto->l3proto >= AF_MAX);
 
 	mutex_lock(&nf_ct_proto_mutex);
@@ -219,7 +221,8 @@ void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto)
 	synchronize_rcu();
 
 	/* Remove all contrack entries for this protocol */
-	nf_ct_iterate_cleanup(&init_net, kill_l3proto, proto);
+	for_each_net(net)
+		nf_ct_iterate_cleanup(net, kill_l3proto, proto);
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_l3proto_unregister);
 
@@ -316,6 +319,8 @@ EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_register);
 
 void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto)
 {
+	struct net *net;
+
 	BUG_ON(l4proto->l3proto >= PF_MAX);
 
 	mutex_lock(&nf_ct_proto_mutex);
@@ -328,7 +333,8 @@ void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto)
 	synchronize_rcu();
 
 	/* Remove all contrack entries for this protocol */
-	nf_ct_iterate_cleanup(&init_net, kill_l4proto, l4proto);
+	for_each_net(net)
+		nf_ct_iterate_cleanup(net, kill_l4proto, l4proto);
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_unregister);
 
-- 
1.5.6.3


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