diff mbox series

[18/21] recent: exit_net cleanup check added

Message ID	442303f3-1e78-84a9-67aa-2371b167c36b@virtuozzo.com
State	Changes Requested, archived
Delegated to:	David Miller
Headers	show Return-Path: <netdev-owner@vger.kernel.org> From: Vasily Averin <vvs@virtuozzo.com> Subject: [PATCH 18/21] recent: exit_net cleanup check added To: netdev@vger.kernel.org Cc: coreteam@netfilter.org, netfilter-devel@vger.kernel.org, Florian Westphal <fw@strlen.de>, Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>, Pablo Neira Ayuso <pablo@netfilter.org> Message-ID: <442303f3-1e78-84a9-67aa-2371b167c36b@virtuozzo.com> Date: Sun, 5 Nov 2017 13:02:17 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk
Series	exit_net checks for objects initialized in net_init hook \| expand [00/21] exit_net checks for objects initialized in net_init hook [01/21] exit_net cleanup: geneve sock_list check [02/21] ppp: exit_net cleanup checks added [03/21] vxlan: exit_net cleanup checks added [04/21] netdev: exit_net cleanup check added [05/21] nfs4blocklayout: exit_net cleanup check added [06/21] nfs client: exit_net cleanup check added [07/21] fib_notifier: exit_net cleanup check added [08/21] fib_rules: exit_net cleanup check added [09/21] clusterip: exit_net cleanup check added [10/21] xfrm6_tunnel: exit_net cleanup check added [11/21] af_key: replace BUG_ON on WARN_ON in net_exit hook [12/21] l2tp: exit_net cleanup check added [13/21] nf_tables: exit_net cleanup check added [14/21] nfnetlink_log: exit_net cleanup check added [15/21] nfnetlink_gueue: exit_net cleanup check added [16/21] x_tables: exit_net cleanup check added [17/21] hashlimit: exit_net cleanup check added [18/21] recent: exit_net cleanup check added [19/21] packet: exit_net cleanup check added [20/21] phonet: exit_net cleanup check added [21/21] sunrpc: exit_net cleanup check added

Commit Message

Vasily Averin Nov. 5, 2017, 10:02 a.m. UTC

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

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

diff mbox series

Patch

diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 245fa35..7e29d30 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -681,7 +681,11 @@  static int __net_init recent_net_init(struct net *net)
 
 static void __net_exit recent_net_exit(struct net *net)
 {
+	struct recent_net *recent_net = recent_pernet(net);
+
 	recent_proc_net_exit(net);
+	WARN(!list_empty(&recent_net->tables),
+	     "net %p exit: recent tables list is not empty\n", net);
 }
 
 static struct pernet_operations recent_net_ops = {