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Miller" CC: "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" Subject: [PATCH] net: mvneta: Fix err code path of probe Thread-Topic: [PATCH] net: mvneta: Fix err code path of probe Thread-Index: AQHVFHvt/gI8V9X5mUCJIK/fkWRQcQ== Date: Mon, 27 May 2019 11:04:17 +0000 Message-ID: <20190527185513.04aca133@xhacker.debian> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [124.74.246.114] x-clientproxiedby: HK2PR02CA0147.apcprd02.prod.outlook.com (2603:1096:202:16::31) To BYAPR03MB4773.namprd03.prod.outlook.com (2603:10b6:a03:134::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Jisheng.Zhang@synaptics.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: d47ef688-cd24-47b6-df05-08d6e2930fa3 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:BYAPR03MB4101; x-ms-traffictypediagnostic: BYAPR03MB4101: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2512; x-forefront-prvs: 0050CEFE70 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(376002)(346002)(136003)(366004)(39850400004)(396003)(199004)(189003)(6512007)(3846002)(6116002)(9686003)(26005)(2906002)(68736007)(25786009)(6506007)(386003)(8676002)(81156014)(8936002)(305945005)(66446008)(64756008)(66556008)(66476007)(66946007)(52116002)(71190400001)(186003)(71200400001)(5660300002)(86362001)(478600001)(4326008)(7736002)(6436002)(73956011)(6486002)(66066001)(316002)(14454004)(72206003)(486006)(476003)(53936002)(102836004)(110136005)(54906003)(99286004)(81166006)(1076003)(256004)(50226002)(39210200001);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR03MB4101;H:BYAPR03MB4773.namprd03.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:0;MX:1; received-spf: None (protection.outlook.com: synaptics.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: bH2TyxCwHS+dl4/26amAb2qnEzbkU6AQH5SnBK+DQw2dedoM6m2sTH2bnmX+KkfC5pXNQN4trnmf6/Y77j5kOgnXTokI2ZfFb4c+h+e4iEOHieJBmgB5NmkI3kYKIaWfiAFAw9BXnZiXjccOMYtKDlyMpLNcFPssxcelE5bfgWBH/y9BczB+HgPoYNw3v1FGfWbf8UNiJO9hWJhEpO8qryAVee5uHSisopoxc2E28bdcPuFeM8XqoPiKR0D75MNMKC1HXfVqFlJh/pBVvL8QdoY7xDwRcM5BkaitKjsy+0GCo7/nOkJw8mYkAwNcvJ4X1C1HcCHlQeCzO1UwUFHIwo+q92/4vPep7t0t5nxIaVc2GW0eT/ny2tzrq3HYde97NwWlbdy5N4IwSi0BJdfx7nNhlUH5N7H1BtcgLjqfxBk= Content-Type: text/plain; charset="us-ascii" Content-ID: <1C643B66700BAC4280B4784088475B1C@namprd03.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: synaptics.com X-MS-Exchange-CrossTenant-Network-Message-Id: d47ef688-cd24-47b6-df05-08d6e2930fa3 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 May 2019 11:04:17.5078 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 335d1fbc-2124-4173-9863-17e7051a2a0e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: jiszha@synaptics.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR03MB4101 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix below issues in err code path of probe: 1. we don't need to unregister_netdev() because the netdev isn't registered. 2. when register_netdev() fails, we also need to destroy bm pool for HWBM case. Fixes: dc35a10f68d3 ("net: mvneta: bm: add support for hardware buffer mana= gement") Signed-off-by: Jisheng Zhang --- drivers/net/ethernet/marvell/mvneta.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/m= arvell/mvneta.c index e758650b2c26..269bd73be1a0 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -4674,7 +4674,7 @@ static int mvneta_probe(struct platform_device *pdev) err =3D register_netdev(dev); if (err < 0) { dev_err(&pdev->dev, "failed to register\n"); - goto err_free_stats; + goto err_netdev; } =20 netdev_info(dev, "Using %s mac address %pM\n", mac_from, @@ -4685,14 +4685,12 @@ static int mvneta_probe(struct platform_device *pde= v) return 0; =20 err_netdev: - unregister_netdev(dev); if (pp->bm_priv) { mvneta_bm_pool_destroy(pp->bm_priv, pp->pool_long, 1 << pp->id); mvneta_bm_pool_destroy(pp->bm_priv, pp->pool_short, 1 << pp->id); mvneta_bm_put(pp->bm_priv); } -err_free_stats: free_percpu(pp->stats); err_free_ports: free_percpu(pp->ports); --=20 2.20.1