[PATCH v2 17/21] hashlimit: exit_net cleanup check added

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Be sure that htables array initialized in net_init hook was return
to initial state.

Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
---
 net/netfilter/xt_hashlimit.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 5da8746..abef6b4 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -1338,7 +1338,11 @@ static int __net_init hashlimit_net_init(struct net *net)
 
 static void __net_exit hashlimit_net_exit(struct net *net)
 {
+	struct hashlimit_net *hashlimit_net = hashlimit_pernet(net);
+
 	hashlimit_proc_net_exit(net);
+	WARN(!hlist_empty(&hashlimit_net->htables),
+	     "%s: htables hlist is not empty\n", __func__);
 }
 
 static struct pernet_operations hashlimit_net_ops = {
-- 
2.7.4

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