From patchwork Sun Nov 12 08:42:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasily Averin X-Patchwork-Id: 837126 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 3yZS2k4Dm6z9t6N for ; Sun, 12 Nov 2017 19:42:54 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753087AbdKLImw (ORCPT ); Sun, 12 Nov 2017 03:42:52 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:14468 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752276AbdKLImv (ORCPT ); Sun, 12 Nov 2017 03:42:51 -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 vAC8gots023747 for ; Sun, 12 Nov 2017 11:42:50 +0300 (MSK) From: Vasily Averin Subject: [PATCH v4 06/18] fib_notifier: exit_net cleanup check added To: netdev@vger.kernel.org References: <9dfa013e-9098-e155-9c47-a73753338288@virtuozzo.com> Message-ID: <7ddb5390-e23d-bc9f-42cb-c8f6d07b3d7a@virtuozzo.com> Date: Sun, 12 Nov 2017 11:42:50 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <9dfa013e-9098-e155-9c47-a73753338288@virtuozzo.com> Content-Language: en-US Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Be sure that fib_notifier_ops list initilized in net_init hook was return to initial state. Signed-off-by: Vasily Averin --- net/core/fib_notifier.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/core/fib_notifier.c b/net/core/fib_notifier.c index 4fc202d..6b8cd49 100644 --- a/net/core/fib_notifier.c +++ b/net/core/fib_notifier.c @@ -161,8 +161,14 @@ static int __net_init fib_notifier_net_init(struct net *net) return 0; } +static void __net_exit fib_notifier_net_exit(struct net *net) +{ + WARN_ON_ONCE(!list_empty(&net->fib_notifier_ops)); +} + static struct pernet_operations fib_notifier_net_ops = { .init = fib_notifier_net_init, + .exit = fib_notifier_net_exit, }; static int __init fib_notifier_init(void)