netdev - [PATCH v3 11/21] clusterip: exit

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Message-ID: <66995620-efe8-59ed-9097-a4fd96e30ae1@virtuozzo.com>
Date:   Mon, 6 Nov 2017 16:24:42 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     netdev@...r.kernel.org
Cc:     Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Florian Westphal <fw@...len.de>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org
Subject: [PATCH v3 11/21] clusterip: exit_net cleanup check added

Be sure that configs list initialized in net_init hook was return
to initial state.

Signed-off-by: Vasily Averin <vvs@...tuozzo.com>
---
 net/ipv4/netfilter/ipt_CLUSTERIP.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 17b4ca5..4364a88 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -819,6 +819,9 @@ static void clusterip_net_exit(struct net *net)
 	cn->procdir = NULL;
 #endif
 	nf_unregister_net_hook(net, &cip_arp_ops);
+	WARN_ONCE(!list_empty(&cn->configs),
+		  "net %x %s: configs list is not empty\n",
+		  net->ns.inum, __func__);
 }
 
 static struct pernet_operations clusterip_net_ops = {
-- 
2.7.4