From patchwork Sun Nov 5 09:59:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasily Averin X-Patchwork-Id: 834288 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 3yVB4b1Nzgz9t34 for ; Sun, 5 Nov 2017 20:59:43 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752670AbdKEJ7j (ORCPT ); Sun, 5 Nov 2017 04:59:39 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:48212 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752041AbdKEJ7i (ORCPT ); Sun, 5 Nov 2017 04:59:38 -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 vA59xaaf012063 for ; Sun, 5 Nov 2017 12:59:36 +0300 (MSK) From: Vasily Averin Subject: [PATCH 04/21] netdev: exit_net cleanup check added To: netdev@vger.kernel.org Message-ID: <36c779eb-ac61-df82-7a84-9c43a90ef9ad@virtuozzo.com> Date: Sun, 5 Nov 2017 12:59:36 +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 dev_base_head list initialized in net_init hook was return to initial state Signed-off-by: Vasily Averin --- net/core/dev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/core/dev.c b/net/core/dev.c index 588b473..dfb0719 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -8562,6 +8562,9 @@ static void __net_exit netdev_exit(struct net *net) { kfree(net->dev_name_head); kfree(net->dev_index_head); + if (net != &init_net) + WARN(!list_empty(&net->dev_base_head), + "net %p exit: netdev dev_base_head is not empty\n", net); } static struct pernet_operations __net_initdata netdev_net_ops = {