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Miller" , Sasha Levin Subject: [PATCH AUTOSEL for 4.14 101/110] mdio-sun4i: Fix a memory leak Thread-Topic: [PATCH AUTOSEL for 4.14 101/110] mdio-sun4i: Fix a memory leak Thread-Index: AQHTnRkFx/O+UvkReEy3cel1sFgsJQ== Date: Sat, 3 Feb 2018 18:01:31 +0000 Message-ID: <20180203180015.29073-101-alexander.levin@microsoft.com> References: <20180203180015.29073-1-alexander.levin@microsoft.com> In-Reply-To: <20180203180015.29073-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;BL0PR2101MB0993;7:g6bGVJPTVpioZZrnqOxUPIDdY6ysRn8QXB9CgW6WOlMN6PQVKUc1jdTvFBzUIzMtfzffzkiEKRpCeFIFPLQIVdK/KyYBVXArsHOf3Bo1x+tFs+Nffhy24GJTCVwacVldRn/kM5yrlmhPUuJjg9ctpAQi+Ue0vk+6HPMlFXHayOw2SIc4dio66aTUsKXNC/EzLP4YzvniubEm5rJQXKVy457sBZ5Ow57PiKIVij21xZZaaLkRCItkIclKxW/cZqaJ x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 1c4f7203-5f4c-4379-7338-08d56b305796 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(4534165)(4627221)(201703031133081)(201702281549075)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:BL0PR2101MB0993; x-ms-traffictypediagnostic: BL0PR2101MB0993: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171)(155761271638844); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(61425038)(6040501)(2401047)(5005006)(8121501046)(3002001)(10201501046)(3231101)(2400082)(944501161)(93006095)(93001095)(6055026)(61426038)(61427038)(6041288)(20161123558120)(20161123560045)(20161123564045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123562045)(6072148)(201708071742011);SRVR:BL0PR2101MB0993;BCL:0;PCL:0;RULEID:;SRVR:BL0PR2101MB0993; x-forefront-prvs: 05724A8921 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(979002)(346002)(39380400002)(39860400002)(376002)(366004)(396003)(189003)(199004)(6436002)(186003)(3660700001)(8936002)(105586002)(2906002)(6346003)(6116002)(3280700002)(3846002)(97736004)(6486002)(1076002)(2950100002)(6666003)(81156014)(86362001)(76176011)(102836004)(2501003)(5250100002)(26005)(68736007)(10090500001)(81166006)(8676002)(59450400001)(53936002)(5660300001)(22452003)(305945005)(107886003)(7736002)(4326008)(86612001)(36756003)(99286004)(316002)(6512007)(10290500003)(72206003)(6506007)(14454004)(478600001)(25786009)(106356001)(2900100001)(54906003)(110136005)(66066001)(22906009)(217873001)(969003)(989001)(999001)(1009001)(1019001);DIR:OUT;SFP:1102;SCL:1;SRVR:BL0PR2101MB0993;H:BL0PR2101MB1027.namprd21.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-message-info: ht014SZMIRTSOtFM/Bl6bgL2zOilPMwizDNIHhbCWrGZEUt7FaHrJD4Siv0C0JrqSuFvdH6EF6TaHURFN6Npyw== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1c4f7203-5f4c-4379-7338-08d56b305796 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Feb 2018 18:01:31.9096 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR2101MB0993 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Christophe JAILLET [ Upstream commit 56c0290202ab94a2f2780c449395d4ae8495fab4 ] If the probing of the regulator is deferred, the memory allocated by 'mdiobus_alloc_size()' will be leaking. It should be freed before the next call to 'sun4i_mdio_probe()' which will reallocate it. Fixes: 4bdcb1dd9feb ("net: Add MDIO bus driver for the Allwinner EMAC") Signed-off-by: Christophe JAILLET Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/phy/mdio-sun4i.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c index 135296508a7e..6425ce04d3f9 100644 --- a/drivers/net/phy/mdio-sun4i.c +++ b/drivers/net/phy/mdio-sun4i.c @@ -118,8 +118,10 @@ static int sun4i_mdio_probe(struct platform_device *pd= ev) =20 data->regulator =3D devm_regulator_get(&pdev->dev, "phy"); if (IS_ERR(data->regulator)) { - if (PTR_ERR(data->regulator) =3D=3D -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(data->regulator) =3D=3D -EPROBE_DEFER) { + ret =3D -EPROBE_DEFER; + goto err_out_free_mdiobus; + } =20 dev_info(&pdev->dev, "no regulator found\n"); data->regulator =3D NULL; --=20 2.11.0