netfilter: netns nf_conntrack: cleanup after L3 and L4 proto unregister in every netns

Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: NPatrick McHardy <kaber@trash.net>

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);