Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756087AbdLTSxF (ORCPT ); Wed, 20 Dec 2017 13:53:05 -0500 Received: from shards.monkeyblade.net ([184.105.139.130]:42234 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755774AbdLTSxD (ORCPT ); Wed, 20 Dec 2017 13:53:03 -0500 Date: Wed, 20 Dec 2017 13:52:57 -0500 (EST) Message-Id: <20171220.135257.1698204032336722444.davem@davemloft.net> To: yanhaishuang@cmss.chinamobile.com Cc: kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, u9012063@gmail.com Subject: Re: [PATCH v3,net-next 1/2] ip_gre: fix error path when erspan_rcv failed From: David Miller In-Reply-To: <1513736507-22968-2-git-send-email-yanhaishuang@cmss.chinamobile.com> References: <1513736507-22968-1-git-send-email-yanhaishuang@cmss.chinamobile.com> <1513736507-22968-2-git-send-email-yanhaishuang@cmss.chinamobile.com> X-Mailer: Mew version 6.7 on Emacs 25.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 20 Dec 2017 10:53:03 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 486 Lines: 13 From: Haishuang Yan Date: Wed, 20 Dec 2017 10:21:46 +0800 > When erspan_rcv call return PACKET_REJECT, we shoudn't call ipgre_rcv to > process packets again, instead send icmp unreachable message in error > path. > > Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") > Acked-by: William Tu > Cc: William Tu > Signed-off-by: Haishuang Yan Applied.