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Mon, 8 Mar 2021 11:28:05 +0100 Received: from gli-login.cadence.com (10.187.128.100) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1497.2 via Frontend Transport; Mon, 8 Mar 2021 11:28:05 +0100 Received: from gli-login.cadence.com (localhost [127.0.0.1]) by gli-login.cadence.com (8.14.4/8.14.4) with ESMTP id 128AS42d010561; Mon, 8 Mar 2021 11:28:04 +0100 Received: (from pawell@localhost) by gli-login.cadence.com (8.14.4/8.14.4/Submit) id 128AS4sx010560; Mon, 8 Mar 2021 11:28:04 +0100 From: Pawel Laszczak To: , CC: , , , , , , Pawel Laszczak Subject: [PATCH 2/2] usb: webcam: Invalid size of Processing Unit Descriptor Date: Mon, 8 Mar 2021 11:27:35 +0100 Message-ID: <20210308102735.9251-2-pawell@gli-login.cadence.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210308102735.9251-1-pawell@gli-login.cadence.com> References: <20210308102735.9251-1-pawell@gli-login.cadence.com> MIME-Version: 1.0 X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0974b368-4b14-4089-7f15-08d8e21cddf5 X-MS-TrafficTypeDiagnostic: MWHPR07MB3535: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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DIR:OUT; SFP:1101; X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2021 10:28:08.3200 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0974b368-4b14-4089-7f15-08d8e21cddf5 X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9; Ip=[158.140.1.147]; Helo=[sjmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-AuthSource: MW2NAM12FT005.eop-nam12.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR07MB3535 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-03-08_04:2021-03-08,2021-03-08 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 suspectscore=0 phishscore=0 clxscore=1011 bulkscore=0 impostorscore=0 priorityscore=1501 spamscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=748 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2103080054 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Pawel Laszczak According with USB Device Class Definition for Video Device the Processing Unit Descriptor bLength should be 12 (10 + bmControlSize), but it has 11. Invalid length caused that Processing Unit Descriptor Test Video form CV tool failed. To fix this issue patch adds bmVideoStandards into uvc_processing_unit_descriptor structure. Signed-off-by: Pawel Laszczak Reviewed-by: Laurent Pinchart --- include/uapi/linux/usb/video.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h index d854cb19c42c..2a54e8fdd341 100644 --- a/include/uapi/linux/usb/video.h +++ b/include/uapi/linux/usb/video.h @@ -302,6 +302,7 @@ struct uvc_processing_unit_descriptor { __u8 bControlSize; __u8 bmControls[2]; __u8 iProcessing; + __u8 bmVideoStandards; } __attribute__((__packed__)); #define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n))