From patchwork Tue Jun 8 13:30:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Hai X-Patchwork-Id: 12306811 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,URIBL_BLOCKED,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 B7EE8C47082 for ; Tue, 8 Jun 2021 13:20:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B47061249 for ; Tue, 8 Jun 2021 13:20:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232979AbhFHNWE (ORCPT ); Tue, 8 Jun 2021 09:22:04 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:3909 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232933AbhFHNWC (ORCPT ); Tue, 8 Jun 2021 09:22:02 -0400 Received: from dggeme766-chm.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4FzrP86Wkbz6wLK; Tue, 8 Jun 2021 21:17:00 +0800 (CST) Received: from huawei.com (10.175.113.133) by dggeme766-chm.china.huawei.com (10.3.19.112) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Tue, 8 Jun 2021 21:20:03 +0800 From: Wang Hai To: , , CC: , , Subject: [PATCH net-next] net: x25: Use list_for_each_entry() to simplify code in x25_forward.c Date: Tue, 8 Jun 2021 13:30:07 +0000 Message-ID: <20210608133007.69476-1-wanghai38@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.133] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggeme766-chm.china.huawei.com (10.3.19.112) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Convert list_for_each() to list_for_each_entry() where applicable. This simplifies the code. Reported-by: Hulk Robot Signed-off-by: Wang Hai --- net/x25/x25_forward.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/net/x25/x25_forward.c b/net/x25/x25_forward.c index d48ad6d29197..21b30b56e889 100644 --- a/net/x25/x25_forward.c +++ b/net/x25/x25_forward.c @@ -19,7 +19,6 @@ int x25_forward_call(struct x25_address *dest_addr, struct x25_neigh *from, { struct x25_route *rt; struct x25_neigh *neigh_new = NULL; - struct list_head *entry; struct x25_forward *x25_frwd, *new_frwd; struct sk_buff *skbn; short same_lci = 0; @@ -46,8 +45,7 @@ int x25_forward_call(struct x25_address *dest_addr, struct x25_neigh *from, * established LCI? It shouldn't happen, just in case.. */ read_lock_bh(&x25_forward_list_lock); - list_for_each(entry, &x25_forward_list) { - x25_frwd = list_entry(entry, struct x25_forward, node); + list_for_each_entry(x25_frwd, &x25_forward_list, node) { if (x25_frwd->lci == lci) { pr_warn("call request for lci which is already registered!, transmitting but not registering new pair\n"); same_lci = 1; @@ -92,15 +90,13 @@ int x25_forward_call(struct x25_address *dest_addr, struct x25_neigh *from, int x25_forward_data(int lci, struct x25_neigh *from, struct sk_buff *skb) { struct x25_forward *frwd; - struct list_head *entry; struct net_device *peer = NULL; struct x25_neigh *nb; struct sk_buff *skbn; int rc = 0; read_lock_bh(&x25_forward_list_lock); - list_for_each(entry, &x25_forward_list) { - frwd = list_entry(entry, struct x25_forward, node); + list_for_each_entry(frwd, &x25_forward_list, node) { if (frwd->lci == lci) { /* The call is established, either side can send */ if (from->dev == frwd->dev1) {