From patchwork Thu Aug 26 11:21:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "huangguangbin \(A\)" X-Patchwork-Id: 503280 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=unavailable 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 D09EEC4320E for ; Thu, 26 Aug 2021 11:26:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B7AFE60C40 for ; Thu, 26 Aug 2021 11:26:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242248AbhHZL0r (ORCPT ); Thu, 26 Aug 2021 07:26:47 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:15255 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242036AbhHZL0m (ORCPT ); Thu, 26 Aug 2021 07:26:42 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.53]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4GwLB86D1qz8B0r; Thu, 26 Aug 2021 19:25:36 +0800 (CST) Received: from dggemi759-chm.china.huawei.com (10.1.198.145) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Thu, 26 Aug 2021 19:25:52 +0800 Received: from localhost.localdomain (10.67.165.24) by dggemi759-chm.china.huawei.com (10.1.198.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 26 Aug 2021 19:25:52 +0800 From: Guangbin Huang To: , CC: , , , Subject: [PATCH net 4/7] net: hns3: fix duplicate node in VLAN list Date: Thu, 26 Aug 2021 19:21:58 +0800 Message-ID: <1629976921-43438-5-git-send-email-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1629976921-43438-1-git-send-email-huangguangbin2@huawei.com> References: <1629976921-43438-1-git-send-email-huangguangbin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggemi759-chm.china.huawei.com (10.1.198.145) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Guojia Liao VLAN list should not be added duplicate VLAN node, otherwise it would cause "add failed" when restore VLAN from VLAN list, so this patch adds VLAN ID check before adding node into VLAN list. Fixes: c6075b193462 ("net: hns3: Record VF vlan tables") Signed-off-by: Guojia Liao Signed-off-by: Guangbin Huang --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 78408136f253..1d0fa966e55a 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -10073,7 +10073,11 @@ static int hclge_init_vlan_config(struct hclge_dev *hdev) static void hclge_add_vport_vlan_table(struct hclge_vport *vport, u16 vlan_id, bool writen_to_tbl) { - struct hclge_vport_vlan_cfg *vlan; + struct hclge_vport_vlan_cfg *vlan, *tmp; + + list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) + if (vlan->vlan_id == vlan_id) + return; vlan = kzalloc(sizeof(*vlan), GFP_KERNEL); if (!vlan)