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Fri, 23 Jul 2021 08:10:56 +0000 Date: Fri, 23 Jul 2021 11:10:34 +0300 From: Dan Carpenter To: Yizhuo Cc: Mauro Carvalho Chehab , Sakari Ailus , Greg Kroah-Hartman , Juan Antonio Aldea-Armenteros , linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4] media: atomisp: fix the uninitialized use and rename "retvalue" Message-ID: <20210723081034.GD1931@kadam> References: <20210723085145.1ce7ee5c@canb.auug.org.au> <20210723003607.64179-1-yzhai003@ucr.edu> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210723003607.64179-1-yzhai003@ucr.edu> User-Agent: Mutt/1.9.4 (2018-02-28) X-ClientProxiedBy: JNAP275CA0039.ZAFP275.PROD.OUTLOOK.COM (2603:1086:0:4e::6) To MWHPR1001MB2365.namprd10.prod.outlook.com (2603:10b6:301:2d::28) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from kadam (102.222.70.252) by JNAP275CA0039.ZAFP275.PROD.OUTLOOK.COM (2603:1086:0:4e::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4352.29 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?UXoTOdcTdCt1GjnuwN9cmo/lnFLJwUZ98khhGRjeMU9T3Jw+E39R1iLXkhqq?= =?us-ascii?Q?0JCHakr5ki1G1X+Cy78B6p3RR9JTp1YeDdPUdCc64+UO7Evr+RuzE8uL7W6M?= =?us-ascii?Q?m4VgE0gf3TMwY/C8OWrj8TPaqPA4ihdRJeU+YZf7nsCMhr4J5q5rKi6fmR+7?= =?us-ascii?Q?39pRYgMPo+928Ud+gp+M8SQEChza7JucVN/NkwwMzE9uceTsw34KxU1EwfXR?= =?us-ascii?Q?yAiD4B6CQiV86JDREJ7EjT1uyR+v7speWx2YFo47IIa/zH1NoF4nMXTkpQ69?= =?us-ascii?Q?f2QX8as73GtdZ0RXfEHV11JzCkWfHUWuOeobDgM4kLkrYIucydyTbxZhBe5C?= =?us-ascii?Q?jE3GgqMGnqvIklO8FpqE463L5+vJ5nqs8yIgBOK2sKDOVZ73R2bnhl67Ky33?= =?us-ascii?Q?WjgkeGzajUW4J2PVFOTgfX2wPaRf+2D3xWN6CF6FQgdsuS7b2/uNakaulsiO?= =?us-ascii?Q?pmQvvE6DQUA29N6x53NpjzmESqVCaekv/Vy7iHkW4/8gk28tIJETDMe+gGWt?= =?us-ascii?Q?YP4Jc2h81G+IbLtK3W88O2oPths+vTQnTfxnWFYlGjb9gXzezmGCKMM8ocli?= =?us-ascii?Q?O4TXyY2s3Z9YZzxGBS4vdkzTvtV1TQhQ/NTFu252zjWZOYBZ+YiYZLyVwVul?= =?us-ascii?Q?Vo0ZLDmvK+ukmpTKFOkvOPx/trwMeblv7lqaKC0GbiAVG10lqGCmKYtLhlO6?= =?us-ascii?Q?UyUEF8mJ+xxr+4H+7rUxD2ke+zhoq6fctdlkq3wDjGNAUuC9ggNuDZsyBph3?= =?us-ascii?Q?fFUzonvtoxQmJRYOCiBihCW6n5vVFt5au7cSoFogj0yIe+cgCJ4hsO2Bvx3o?= =?us-ascii?Q?cRwczrYQijkbPo5c/c101ZsxeXM3RsSYxa5GX0HAP8kqOiAbjmMeqCS4Y0/n?= =?us-ascii?Q?CZZqiqVhnikAdhQsuKxyfT25cTcB3/3KXd6UmT0R+Msvx1bc5oxR7bWhtCvJ?= =?us-ascii?Q?U29USIk2nK6+tlZdU40QpUv4QT1yM9eg8EjCSRgtYrodu/1SOFPCmKw5S9pG?= =?us-ascii?Q?Hynm5Oi3noQBJm89piL8Mc++M0yQpUTph/S3I1mfgqZVjnLVd79RFWZ5Lj63?= =?us-ascii?Q?U+N6x3hW4YxkkVkOYE/GQ2tabNZDea8pXGRFvWfzb5mINcwkRnl3Lo9z92cq?= =?us-ascii?Q?JDnJ/6VouZ1kU67Fh4rRnLtV/0H6cSso6PPzPiKkyMa3cxZPP3lIkzBMm4rO?= =?us-ascii?Q?QIIrkxOMNtVy4lB3q4HckhQQ4l/ySQfVbcD9iA2rH9UMiL/GjxpKKjR1zcgz?= =?us-ascii?Q?5dTIvPNF4+QFbFpEV1bXDS2C3wT+Ol99k+FUS0oF7MriUHnNuNcro+QLSAjt?= =?us-ascii?Q?XEMJG1mF/QWD3wfU8+N/smNe?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: b8c95953-7403-4def-9c40-08d94db1657d X-MS-Exchange-CrossTenant-AuthSource: MWHPR1001MB2365.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Jul 2021 08:10:56.3822 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: JBEjkMzyoXCmXui6gFjs4QKHX3p5VNTu8Tgp2yNasBV0YkS0vkDsUgrCJ23UudKZ2PguDnqcKHWjikCqpRipudv6idwZIIkgQ6rbbur1WR0= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4691 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=10053 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 phishscore=0 spamscore=0 bulkscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2107230047 X-Proofpoint-ORIG-GUID: KVy6VQzOlVy4vQQRw4_JXPmEMsOJinPp X-Proofpoint-GUID: KVy6VQzOlVy4vQQRw4_JXPmEMsOJinPp Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 23, 2021 at 12:36:04AM +0000, Yizhuo wrote: > Inside function mt9m114_detect(), variable "retvalue" could > be uninitialized if mt9m114_read_reg() returns error, however, it > is used in the later if statement, which is potentially unsafe. > > The local variable "retvalue" is renamed to "model" to avoid > confusion. > > Fixes: ad85094b293e ("Revert "media: staging: atomisp: Remove driver"") > Signed-off-by: Yizhuo > --- Is your full name just Yizhuo or Yizhuo Zhai? Please use your legal name as if you were signing a legal document. I don't think you have changed anything in this version? It's basically a resend of the patch from Jun 25? Please put that information under the --- cut off. Looks okay to me. Reviewed-by: Dan Carpenter regards, dan carpenter