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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Florian Fainelli , linux-kernel@vger.kernel.org, Simon Horman Subject: [PATCH v2 net-next 6/9] net: dsa: tag_sja1105: don't rely on skb_mac_header() in TX paths Date: Fri, 21 Apr 2023 01:55:58 +0300 Message-Id: <20230420225601.2358327-7-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230420225601.2358327-1-vladimir.oltean@nxp.com> References: <20230420225601.2358327-1-vladimir.oltean@nxp.com> X-ClientProxiedBy: AM0PR03CA0088.eurprd03.prod.outlook.com (2603:10a6:208:69::29) To AM0PR04MB6452.eurprd04.prod.outlook.com (2603:10a6:208:16d::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM0PR04MB6452:EE_|GV1PR04MB9213:EE_ X-MS-Office365-Filtering-Correlation-Id: ef59bcb2-7054-40f1-4a96-08db41f272b4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: BtYZigeyuZHT5KDr5PRB7gCl7+e/iLpovsaGl3LeMzVcVrxwmEco0yBd2HhVPP+QW4oe+99fLuSE592Sju/Fq1lEJ/P+D9iwR4AcfXIHLlAMXTlVzQaaRxk+7l+hcgk/ZMolUr7ED1b5xH+QAfXP1UOZbLB2jAB73VInktiR9D0vjwNdhqdIYS3bfAgI7ycu6UP9M2e/z9/1NeZ360XftPXBSOTx0WEt1CRD1QFJfj2lmvEGX+rcjYnmwLTtfRCPqN3f9Lk1Y9i1N2koSrvLv735eu0sTmiep3dxtdRG3PNbF6YyrVmV3sjor3j+97BdVwIaswgxnbuZK+Vv6prEABUmpJxAPmPrVb5/MBwM1nrhrMyXrgvtHIstnnEE8zFl6QlliuT2ytdzo6m9UVasiSqsNriOJez75XcIY6oftxP8+3CFNZCrADTdh9zCEl027QPCWCBXzRWyqg2XMKM3P2l4Lgf1quT/h6KvQYp3ddCtOrrNk9f1dLTBsc9tL8dAhgxUDQUWYe2ehwR231aeoawoMNqmS0QdCXrRehzy3rkEMIRESYYLj25gk85PbSxSfgpI7v0f8Zu9w5x5IaBFgMJtQZoGqKQSMf9Q3yyNDUxMeENkvngfyujzqopAkMvr X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM0PR04MB6452.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(376002)(346002)(396003)(366004)(136003)(39860400002)(451199021)(2906002)(38350700002)(38100700002)(86362001)(478600001)(54906003)(316002)(41300700001)(66476007)(66946007)(66556008)(6916009)(4326008)(26005)(1076003)(6506007)(6512007)(6666004)(6486002)(52116002)(186003)(36756003)(8936002)(8676002)(83380400001)(5660300002)(2616005)(44832011);DIR:OUT;SFP:1101; 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As preparation for that, let's use skb_vlan_eth_hdr() to get to the VLAN header instead, which assumes it's located at skb->data (assumption which holds true here). Signed-off-by: Vladimir Oltean Reviewed-by: Eric Dumazet Reviewed-by: Simon Horman Reviewed-by: Florian Fainelli --- net/dsa/tag_sja1105.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c index 1c2ceba4771b..a7ca97b7ac9e 100644 --- a/net/dsa/tag_sja1105.c +++ b/net/dsa/tag_sja1105.c @@ -256,7 +256,7 @@ static struct sk_buff *sja1105_pvid_tag_control_pkt(struct dsa_port *dp, return NULL; } - hdr = (struct vlan_ethhdr *)skb_mac_header(skb); + hdr = skb_vlan_eth_hdr(skb); /* If skb is already VLAN-tagged, leave that VLAN ID in place */ if (hdr->h_vlan_proto == xmit_tpid)