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Silva" , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH AUTOSEL for 4.15 082/102] media: davinci: vpif_capture: add NULL check on devm_kzalloc return value Thread-Topic: [PATCH AUTOSEL for 4.15 082/102] media: davinci: vpif_capture: add NULL check on devm_kzalloc return value Thread-Index: AQHTsz5149M1v51UvE+uRx3gBX2cQA== Date: Sat, 3 Mar 2018 22:24:57 +0000 Message-ID: <20180303222318.26006-82-alexander.levin@microsoft.com> References: <20180303222318.26006-1-alexander.levin@microsoft.com> In-Reply-To: <20180303222318.26006-1-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;MW2PR2101MB0970;7:ATuC96A/uRjffcIpMa3YLot+FmZpG3kQdJbArkyc5+q/wOD4sZkqylZXNJSI9z7sHb8ywG7XVahvoTJOtqOAgz1Cdb+UX5KKKBdoSVl/H5HUuDhNEArn7w+U7mTjGvLsYEjJvsnIuVkcCGCBdIh2f3OMxMGVQecKQQzWjWOcAEbpxfXNhZ4xxkjxSat3qCzAQYiB6XFNwiOXqOe520H4CSABCkxsBkaCJrDIjhOadAgRavpFiWeLImoZXmyPaLtr x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 294ac87b-c1e1-4310-b577-08d58155e66c x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MW2PR2101MB0970; x-ms-traffictypediagnostic: MW2PR2101MB0970: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171)(95692535739014); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040501)(2401047)(5005006)(8121501046)(93006095)(93001095)(10201501046)(3002001)(3231220)(944501244)(52105095)(6055026)(61426038)(61427038)(6041288)(20161123562045)(20161123558120)(20161123560045)(20161123564045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(6072148)(201708071742011);SRVR:MW2PR2101MB0970;BCL:0;PCL:0;RULEID:;SRVR:MW2PR2101MB0970; x-forefront-prvs: 0600F93FE1 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(376002)(39380400002)(366004)(396003)(39860400002)(346002)(199004)(189003)(575784001)(86362001)(110136005)(4326008)(6506007)(14454004)(99286004)(8936002)(1076002)(36756003)(2906002)(102836004)(76176011)(25786009)(6486002)(316002)(478600001)(3280700002)(107886003)(186003)(54906003)(26005)(81166006)(7736002)(8676002)(6512007)(81156014)(305945005)(72206003)(59450400001)(6436002)(53936002)(6116002)(6666003)(86612001)(68736007)(3846002)(2950100002)(3660700001)(10290500003)(22452003)(10090500001)(2900100001)(106356001)(2501003)(66066001)(97736004)(5660300001)(5250100002)(105586002)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:MW2PR2101MB0970;H:MW2PR2101MB1034.namprd21.prod.outlook.com;FPR:;SPF:None;PTR:InfoNoRecords;A:1;MX:1;LANG:en; x-microsoft-antispam-message-info: nUnE/pPGBE7ETCnKK6v7w6p6AxKa1jRApNO6904Q1bRagOZHtoYCY/iwOxdzBkQ5lnomzKDd1Ut6zQ0OXU+MGSC+F/v75G+wsy3hmkqcDfOJUw4h0IZtyH4LvB0mtw8fDtlT4bHzuLCJKhJ2lBEQ1wxSNziWQ4IPssT4iKM+wNQ= 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: 294ac87b-c1e1-4310-b577-08d58155e66c X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2018 22:24:57.4941 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB0970 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: "Gustavo A. R. Silva" [ Upstream commit 5a18c2434f8bfc8bc2fb0f8af3e44f7408d63e4f ] Check return value from call to devm_kzalloc() in order to prevent a NULL pointer dereference. This issue was detected with the help of Coccinelle. Fixes: 4a5f8ae50b66 ("[media] davinci: vpif_capture: get subdevs from DT wh= en available") Signed-off-by: Gustavo A. R. Silva Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/platform/davinci/vpif_capture.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/= platform/davinci/vpif_capture.c index fca4dc829f73..e45916f69def 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -1550,6 +1550,8 @@ vpif_capture_get_pdata(struct platform_device *pdev) sizeof(*chan->inputs) * VPIF_CAPTURE_NUM_CHANNELS, GFP_KERNEL); + if (!chan->inputs) + return NULL; =20 chan->input_count++; chan->inputs[i].input.type =3D V4L2_INPUT_TYPE_CAMERA; --=20 2.14.1