From patchwork Wed Sep 1 12:28:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 505655 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 2F363C4320E for ; Wed, 1 Sep 2021 12:33:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 184876113C for ; Wed, 1 Sep 2021 12:33:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245574AbhIAMep (ORCPT ); Wed, 1 Sep 2021 08:34:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:34434 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244795AbhIAMcn (ORCPT ); Wed, 1 Sep 2021 08:32:43 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id BB001610CE; Wed, 1 Sep 2021 12:31:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1630499501; bh=vIPqLVxU8JpdLAM9GSc3B+uDioxIjvzFNcsB3uiDjlI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IqR/wDDWp2T06wEzBYA6DgLsg9SciXAKwduNGBIIHMU1MTDBA/ZZXE5+hqNFyC806 ZQXVunoXfZLLYR1xVaUboNtAlAm7h5Ve8yjl7bE+4UyzLh7pYpRH414PKCiN/E+jS7 H+wths5qNt94UMvUHEnqDzbMaH9cN941+rSEOb40= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guojia Liao , Guangbin Huang , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.4 23/48] net: hns3: fix duplicate node in VLAN list Date: Wed, 1 Sep 2021 14:28:13 +0200 Message-Id: <20210901122254.175251794@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210901122253.388326997@linuxfoundation.org> References: <20210901122253.388326997@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Guojia Liao [ Upstream commit 94391fae82f71c98ecc7716a32611fcca73c74eb ] 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 Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- 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 28e260439196..aa402e267121 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -8006,7 +8006,11 @@ 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)