From patchwork Thu Aug 6 11:57:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 1342018 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BMzyy1cLnz9sPC for ; Fri, 7 Aug 2020 06:06:34 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726150AbgHFUGb (ORCPT ); Thu, 6 Aug 2020 16:06:31 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:49442 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725272AbgHFUGb (ORCPT ); Thu, 6 Aug 2020 16:06:31 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 90EBA1000D0A56ACABF6; Thu, 6 Aug 2020 19:54:55 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.487.0; Thu, 6 Aug 2020 19:54:48 +0800 From: linmiaohe To: , , , , , , , , , , , CC: , , Subject: [PATCH 5/5] net: Use helper function ip_is_fragment() Date: Thu, 6 Aug 2020 19:57:18 +0800 Message-ID: <1596715038-25429-1-git-send-email-linmiaohe@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Miaohe Lin Use helper function ip_is_fragment() to check ip fragment. Signed-off-by: Miaohe Lin --- net/core/skbuff.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 8a0c39e4ab0a..fa823405829c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -4853,7 +4853,7 @@ static int skb_checksum_setup_ipv4(struct sk_buff *skb, bool recalculate) if (err < 0) goto out; - if (ip_hdr(skb)->frag_off & htons(IP_OFFSET | IP_MF)) + if (ip_is_fragment(ip_hdr(skb))) fragment = true; off = ip_hdrlen(skb);