netdev - [PATCH 4/9] netfilter: nf_tables: wait for call

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Date:	Fri,  3 Oct 2014 19:20:19 +0200
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	netfilter-devel@...r.kernel.org
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: [PATCH 4/9] netfilter: nf_tables: wait for call_rcu completion on module removal

Make sure the objects have been released before the nf_tables modules
is removed.

Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
 net/netfilter/nf_tables_api.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 19e79f0..556a0df 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4163,6 +4163,7 @@ static void __exit nf_tables_module_exit(void)
 {
 	unregister_pernet_subsys(&nf_tables_net_ops);
 	nfnetlink_subsys_unregister(&nf_tables_subsys);
+	rcu_barrier();
 	nf_tables_core_module_exit();
 	kfree(info);
 }
-- 
1.7.10.4

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