From patchwork Tue Dec 22 13:34:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Yongjun X-Patchwork-Id: 11986645 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC31EC433E9 for ; Tue, 22 Dec 2020 13:34:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C9579229C6 for ; Tue, 22 Dec 2020 13:34:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727678AbgLVNeZ (ORCPT ); Tue, 22 Dec 2020 08:34:25 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:9237 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727264AbgLVNeY (ORCPT ); Tue, 22 Dec 2020 08:34:24 -0500 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4D0chv1ZJbzkWrN; Tue, 22 Dec 2020 21:32:47 +0800 (CST) Received: from ubuntu.network (10.175.138.68) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.498.0; Tue, 22 Dec 2020 21:33:32 +0800 From: Zheng Yongjun To: , , , , , , CC: Zheng Yongjun Subject: [PATCH net-next] net: tipc: Replace expression with offsetof() Date: Tue, 22 Dec 2020 21:34:07 +0800 Message-ID: <20201222133407.19861-1-zhengyongjun3@huawei.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-Originating-IP: [10.175.138.68] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Use the existing offsetof() macro instead of duplicating code. Signed-off-by: Zheng Yongjun --- net/tipc/monitor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c index 6dce2abf436e..48fac3b17e40 100644 --- a/net/tipc/monitor.c +++ b/net/tipc/monitor.c @@ -108,7 +108,7 @@ const int tipc_max_domain_size = sizeof(struct tipc_mon_domain); */ static int dom_rec_len(struct tipc_mon_domain *dom, u16 mcnt) { - return ((void *)&dom->members - (void *)dom) + (mcnt * sizeof(u32)); + return (offsetof(struct tipc_mon_domain, members)) + (mcnt * sizeof(u32)); } /* dom_size() : calculate size of own domain based on number of peers