diff mbox series

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

Message ID 2ab3017e-9462-148b-a59d-36382ef1721f@virtuozzo.com
State Superseded, archived
Delegated to: David Miller
Headers show
Series None | expand

Commit Message

Vasily Averin Nov. 5, 2017, 4:51 p.m. UTC
Be sure that htables array initialized in net_init hook was return
to initial state.

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

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 = {