From patchwork Sun Nov 5 10:01:29 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasily Averin X-Patchwork-Id: 834298 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yVB766cWDz9t34 for ; Sun, 5 Nov 2017 21:01:54 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752860AbdKEKBv (ORCPT ); Sun, 5 Nov 2017 05:01:51 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:48682 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751455AbdKEKBu (ORCPT ); Sun, 5 Nov 2017 05:01:50 -0500 Received: from [172.16.24.21] (msk-vpn.virtuozzo.com [195.214.232.6]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id vA5A1TUP032132; Sun, 5 Nov 2017 13:01:29 +0300 (MSK) From: Vasily Averin Subject: [PATCH 13/21] nf_tables: exit_net cleanup check added To: netdev@vger.kernel.org Cc: coreteam@netfilter.org, netfilter-devel@vger.kernel.org, Florian Westphal , Jozsef Kadlecsik , Pablo Neira Ayuso Message-ID: Date: Sun, 5 Nov 2017 13:01:29 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 Content-Language: en-US Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Be sure that lists initialized in net_init hook were return to initial state. Signed-off-by: Vasily Averin --- net/netfilter/nf_tables_api.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 64e1ee0..60cbf0a 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5778,6 +5778,14 @@ static int __net_init nf_tables_init_net(struct net *net) return 0; } +static void __net_exit nf_tables_exit_net(struct net *net) +{ + WARN(!list_empty(&net->nft.af_info), + "net %p exit: nf_tables af_info list is not empty\n", net); + WARN(!list_empty(&net->nft.commit_list), + "net %p exit: nf_tables commit_list is not empty\n", net); +} + int __nft_release_basechain(struct nft_ctx *ctx) { struct nft_rule *rule, *nr; @@ -5848,6 +5856,7 @@ static void __nft_release_afinfo(struct net *net, struct nft_af_info *afi) static struct pernet_operations nf_tables_net_ops = { .init = nf_tables_init_net, + .exit = nf_tables_exit_net, }; static int __init nf_tables_module_init(void)