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Tue, 27 Apr 2021 18:19:08 +0000 Received: from DM6PR12MB3834.namprd12.prod.outlook.com ([fe80::1c62:7fa3:617b:ab87]) by DM6PR12MB3834.namprd12.prod.outlook.com ([fe80::1c62:7fa3:617b:ab87%6]) with mapi id 15.20.4065.027; Tue, 27 Apr 2021 18:19:08 +0000 Date: Tue, 27 Apr 2021 15:19:05 -0300 From: Jason Gunthorpe To: Jiapeng Chong Cc: mike.marciniszyn@cornelisnetworks.com, dennis.dalessandro@cornelisnetworks.com, dledford@redhat.com, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] IB/hfi1: Remove redundant variable rcd Message-ID: <20210427181905.GA3241618@nvidia.com> References: <1619346696-46300-1-git-send-email-jiapeng.chong@linux.alibaba.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1619346696-46300-1-git-send-email-jiapeng.chong@linux.alibaba.com> X-Originating-IP: [206.223.160.26] X-ClientProxiedBy: YT1PR01CA0153.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2f::32) To DM6PR12MB3834.namprd12.prod.outlook.com (2603:10b6:5:14a::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mlx.ziepe.ca (206.223.160.26) by YT1PR01CA0153.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:2f::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4065.25 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?H0cuwT/+AUzJ+j3Ir4IMd2JoK3e5UkYNlNxoaSyxtOGU2oQbxdVQ50vt3g7v?= =?us-ascii?Q?tDZIYLHkAG/fyzlgJY/MErq6+jF6egrMVPfnc7oG0L6NltBcNSfF9myHU3MZ?= =?us-ascii?Q?bfhxAN3lJKIynAII6TRs7TFVs37Cez4I2Y56BxTMFJOVCamk/Ngmhwdj7tyK?= =?us-ascii?Q?4UP4DmdBtrGuRTZM8pe04DX2cbvYogjZ8VLGblxvcZ/6XI+/lgocC2Z3hGlk?= =?us-ascii?Q?CnclwgEPIDT/zCvn0JeUEGy5Vt9pD3RMHdhFc27/eeCDBtX4IkXSYJ5hLaRn?= =?us-ascii?Q?UGEdZmveZKDCH9DX0ozFf6bbPyoM7fE9lYATqswP+is+WNnzCepXBu6duiEn?= =?us-ascii?Q?qO9xFBt7Rdmxe72RCqdetXgFqxTWU4T+8f3/KXNNKgy2TcT0UZNTdr1j+Gzd?= =?us-ascii?Q?PYXdlhB6cbhrtnMkwhcjSnOH82+YixS02+XYurInJ3OxhAO9HyNzoR8htZuT?= =?us-ascii?Q?SBWId6XN+YNf+uzZc4a/vS/872heqoMlJJBSq/1b1rXHlYumzK8spH7CVREI?= =?us-ascii?Q?USgp7jRDNnffTow8tF0EodeeSP1+6bpmyNeOJzkRVgNCn82kBVSb7+Je4uAR?= =?us-ascii?Q?mT/jxo11pNJx0dDQsfNx754fWWLpuAbeLC5aKb61M9eLK/Rdy/I7WFoS+McO?= =?us-ascii?Q?UjIFFoXsDiYQQHqWv9qFApl3NAt+/qcr2xfKUwmYXJQ4Ps0qZ6k8rXiQBmwQ?= =?us-ascii?Q?xnVdFeYMVUm5LQ06PuuBO6r8yWo7kUa8v2ZO9+B26RJAHfAMV8GpAaa5FBb4?= =?us-ascii?Q?ITctVLSvSSKpDGJidgSLVELcVx0effmaiZZqGNUfcdQKLacwV85tr7LzSdlD?= =?us-ascii?Q?xSn64FjsjRS7iHCZibamaEmigcWxgXGe8TnshVAwBxqKlekBw4dgA8pGlRDq?= =?us-ascii?Q?VxCp1atw8DMFfRpzeacR4I9nbo6qwMZfLDxdfsz1tRqDXetegYOhkeq8fgUA?= =?us-ascii?Q?KdXPQKkX0C0rtECgUoRyEG/JOp80VPWEWicpxwJdUERh87vFnUztL0AKJCIL?= =?us-ascii?Q?ATWLHkIO8msKpYQMuq9aTrzKOHdaoQWFVrmRihdwNYIel+TNaZf1jQz0ySRV?= =?us-ascii?Q?M0geD3wArzDmhAvudhOlgPWzWm7t91YcrbDeCfYNZ4dtjIJosXl2yKpHNJI8?= =?us-ascii?Q?nnkXIy0cY7VPPDy7yoVazBx8QamX4vNgP9QalumV4sAblrcI5pdIwutuQ4ms?= =?us-ascii?Q?ICnPm+iyumwEuBzoIk+yyenL5Xep1Tu1kkGxZfxAeGpkzA8NKu/eI2nRUQYT?= =?us-ascii?Q?7D0bBdBuOg66xgfZWIEnGT8V6nmjDAT+SqlGAmuMO79misuMvGUzz5J4ndFS?= =?us-ascii?Q?i/bhRm3bQqbXHFHuoM68KL6F?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 745140fa-af11-4383-fb9f-08d909a8f2db X-MS-Exchange-CrossTenant-AuthSource: DM6PR12MB3834.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Apr 2021 18:19:08.7832 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: i2qa3GGYT4WoAzGHFXqKL9HddEFbo/eBVdRFouXMCpJ9BcdoJQrNlGc8WBvn/Idq X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1148 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 25, 2021 at 06:31:36PM +0800, Jiapeng Chong wrote: > Variable rcd is being assigned a value from a calculation > however the variable is never read, so this redundant variable > can be removed. > > Cleans up the following clang-analyzer warning: > > drivers/infiniband/hw/hfi1/affinity.c:986:3: warning: Value stored to > 'rcd' is never read [clang-analyzer-deadcode.DeadStores]. > > Reported-by: Abaci Robot > Signed-off-by: Jiapeng Chong > --- > drivers/infiniband/hw/hfi1/affinity.c | 1 - > 1 file changed, 1 deletion(-) Applied to for-next, though I also moved the rcd variable into the only scope that used it. Jason