From patchwork Sun Nov 12 08:42:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasily Averin X-Patchwork-Id: 837124 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 3yZS1m5mnrz9t6N for ; Sun, 12 Nov 2017 19:42:04 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753249AbdKLImC (ORCPT ); Sun, 12 Nov 2017 03:42:02 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:25169 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752012AbdKLImC (ORCPT ); Sun, 12 Nov 2017 03:42:02 -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 vAC8g07s011604 for ; Sun, 12 Nov 2017 11:42:00 +0300 (MSK) From: Vasily Averin Subject: [PATCH v4 04/18] vxlan: exit_net cleanup checks added To: netdev@vger.kernel.org References: <9dfa013e-9098-e155-9c47-a73753338288@virtuozzo.com> Message-ID: <0c75cf66-73cd-b7f5-2612-fd864f45cd2e@virtuozzo.com> Date: Sun, 12 Nov 2017 11:42:00 +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 sock_list array initialized in net_init hook was return to initial state Signed-off-by: Vasily Averin --- drivers/net/vxlan.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d7c49cf..766a41b 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -3704,6 +3704,7 @@ static void __net_exit vxlan_exit_net(struct net *net) struct vxlan_net *vn = net_generic(net, vxlan_net_id); struct vxlan_dev *vxlan, *next; struct net_device *dev, *aux; + unsigned int h; LIST_HEAD(list); rtnl_lock(); @@ -3723,6 +3724,10 @@ static void __net_exit vxlan_exit_net(struct net *net) unregister_netdevice_many(&list); rtnl_unlock(); + + for (h = 0; h < PORT_HASH_SIZE; ++h) + if (WARN_ON_ONCE(!hlist_empty(&vn->sock_list[h]))) + break; } static struct pernet_operations vxlan_net_ops = {