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Fri, 7 Sep 2018 00:40:46 +0000 Received: from CY4PR21MB0776.namprd21.prod.outlook.com ([fe80::7c3a:eea8:1391:1611]) by CY4PR21MB0776.namprd21.prod.outlook.com ([fe80::7c3a:eea8:1391:1611%7]) with mapi id 15.20.1143.008; Fri, 7 Sep 2018 00:40:46 +0000 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Daniel Mack , Bartlomiej Zolnierkiewicz , Sasha Levin Subject: [PATCH AUTOSEL 4.9 23/43] video: fbdev: pxafb: clear allocated memory for video modes Thread-Topic: [PATCH AUTOSEL 4.9 23/43] video: fbdev: pxafb: clear allocated memory for video modes Thread-Index: AQHURkMcendPqQVCXkSXJnJxlU/eaw== Date: Fri, 7 Sep 2018 00:38:35 +0000 Message-ID: <20180907003816.57852-23-alexander.levin@microsoft.com> References: <20180907003816.57852-1-alexander.levin@microsoft.com> In-Reply-To: <20180907003816.57852-1-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;CY4PR21MB0855;6:lEuUmtih+kecVvNxivC065fCi1ioEzAwLH0qos08yLWiywSOXrt7V4n5J4TGf2rOiw8/0NXGxUNX9M6KCjvPkZ1ljlXOpuSz+qsMsCdP2hOKIxdbzYhAg4O56QgPFdIy0yefLV+INS4jZanXrIV4e0Mrv6SOokzGqZ2+PkjyhtSXpq1V3puX8RYyTNB1EU0kEn3xVnqvHJdYDEzOZSbY9n8sxrRgCZvCYOZ6eFO3FlrnzF4GPjWluBnsTaNthPml7o8lidm8b2Nx/v39OzD69TtXkXDbeH1vahexsiFdQTJlt/fjRPePhJqDg57dsRR8YhJm07GUkgnA1F6HdBUJTIptb3rWJAorJps4HM1yidwaVlhYFdkMQn/owX1YzS7raHYSZztsOF9TmdeoUfcCXzIBIPvEzY3vLVcv0OlJmTikz/pJwqqW2HycWMsXJrlxjK88gHZeDg3ClSYP/ISQgg==;5:TnH3luHR4QTuUtjCgpDTVlP01fF0HI+W4FWAdhhHcNOjGFcVAt963z7+NJQmj+Drjl7na7RdQ/fqKSodmZH3o/VI/nLlpLMyfXRhsFWXf7bRLnPwzeGwlnUhA4/hxwoC+eKY0d3UuzECAiHwi68ga2+6/3CWoFnlD4NP+v41EkI=;7:avsx2Fxd1Rn8OvpMsamDvQoVjFDF5lJ7FkTHpwzR3IR6E45vQi40J6hRnvzQ1VFCd/pQBR+9JihX/TH7Ff7WNlN7qSTEKlCtLhzyAvS8R5dZq4MGozCnM/iLoDvcjwVL383s+L0Qop7KWoPQtDJomwUC3Ik4Y4YV4RlMMCFL3yPYlpY2Bpn3iCoj5ilthThnE0bndu/QcgJYiD3dfRlA+uxuHOz/v/m+UHehq3pcNmOo/u1hApF9QxA8+JSrq0Ah x-ms-office365-filtering-correlation-id: df3b7248-14f2-4310-cbff-08d6145a8cba x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(4534165)(4627221)(201703031133081)(201702281549075)(5600074)(711020)(4618075)(2017052603328)(7193020);SRVR:CY4PR21MB0855; 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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: kS63AqtRx0v8jt777X82IAw6n/Db/3TBPMW3mJXpy4odhjP8SK/olskJQWaGQms1IowhtQechihWYj6KMxv5IsUiq0g3whge7TaD9tfWOffvLNBWhtzWsQ5BEfqfUDNRJ+Qno71CobJemQEabDMuzq70GKuFOzlUTzUI2oUimTTrTzzPg7xECnmJF5l3guUnrVDxkwhGQjKX/h3KSY+mEry/9WIKCRvyQAfNkIEu6CF6eYwdx+LgTmYQbVG3MSHREerqTOGpnqqNt2b2dizvg8Eb8z6TySizA0WVa9rZWCJT4+J17uVhJQmQaGfLT7YbFL/+X++eRdYIYuMjDM5HE2ZucaEC3ttdxu1kYhCxz0I= 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: df3b7248-14f2-4310-cbff-08d6145a8cba X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Sep 2018 00:38:35.1244 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0855 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Daniel Mack [ Upstream commit b951d80aaf224b1f774e10def672f5e37488e4ee ] When parsing the video modes from DT properties, make sure to zero out memory before using it. This is important because not all fields in the mod= e struct are explicitly initialized, even though they are used later on. Fixes: 420a488278e86 ("video: fbdev: pxafb: initial devicetree conversion") Reviewed-by: Robert Jarzmik Signed-off-by: Daniel Mack Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Sasha Levin --- drivers/video/fbdev/pxafb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index ef73f14d7ba0..8503310a3816 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2128,8 +2128,8 @@ static int of_get_pxafb_display(struct device *dev, s= truct device_node *disp, return -EINVAL; =20 ret =3D -ENOMEM; - info->modes =3D kmalloc_array(timings->num_timings, - sizeof(info->modes[0]), GFP_KERNEL); + info->modes =3D kcalloc(timings->num_timings, sizeof(info->modes[0]), + GFP_KERNEL); if (!info->modes) goto out; info->num_modes =3D timings->num_timings; --=20 2.17.1