From nobody Tue Jun 23 19:25:41 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFBDFC4332F for ; Mon, 28 Feb 2022 14:24:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237080AbiB1OYv (ORCPT ); Mon, 28 Feb 2022 09:24:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231794AbiB1OYs (ORCPT ); Mon, 28 Feb 2022 09:24:48 -0500 Received: from APC01-PSA-obe.outbound.protection.outlook.com (mail-psaapc01on2110.outbound.protection.outlook.com [40.107.255.110]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF17069CE3 for ; Mon, 28 Feb 2022 06:24:09 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=n+gOllht2qKrm1XLLOHu8gxqlL/gOqBFKVgjmTruYJ9VGwn3FnY/Gy4hONYQSuOj9Z7J50CvkH7GRO3qAL980mVxbyKCRBe/Eum+38VG+aN3tX0uWs61l6CzUOkcFxl0yqrXNC+ZWqlBd7p0rEEBtRfGGe9O8TJXW5srWY8mxb63AP4brwLj0K0xgaMnVlxPXE8r/i0LJMyaKhvKDxPjU8igPCaS2zXNPg/kUtEprLWe/WNZP1SwYmvhd83ahNoWX9SCYiE/FWx+30HDqn2CCiSS/G4kojhjSGlpCiMQyD2VVszOrXtc+BDSzeqn3sY4+uNGUX50G+mBT6GvWpbBVg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=IEZ0auUTedp77GAT72BUUWABD00QiV1dQHhxE47xXDI=; b=QWag8EBybgAP4LZGVZKsbvkdoK7VUUGCW26kNuTZoQY/pJo68ukUMt8wdTk/Z+rIYgvP8OrZ9XMJObQdZrnhao0t+/O8CrQWC1kXtZ6DidZFRRI2ZEq84QJhPl/xWrejX08MTyGCZfTn4gwO7kSoD/VlfmAvHoMVDU8DWCGiEAVEtXhcwdQLlgAbXkYiNzf7ghV5VqCs1KHaNkR5UId59QMcMSfD9w24ztwoe8Raww0PsgSqgGNH/Mwar1BtFhWgEpDPkew+1z+cM7iU5Djzh+I22I0OLYiTsgPY9XUSDMyix3pdn1snEQLQb9gPiJiEEmntIH60dYuY6vrxs2ICjg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo0.onmicrosoft.com; s=selector2-vivo0-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=IEZ0auUTedp77GAT72BUUWABD00QiV1dQHhxE47xXDI=; b=bM3hbOu/6TIMfc7LPB9GRZ7ltEDEl5BSDrheKq7dO9ciynaLa4Y7FKVNHK0VtGcw/LSGH/fAVu6dIK7oiXk0OxuQLikvWYJJ0vrB47iNgpz1KTeNFle+VNMHqmQj2Hc0w8VelDg2sIxxXHzE0O5D1PJdCb18SLigXe0lQk5ynew= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from HK2PR06MB3492.apcprd06.prod.outlook.com (2603:1096:202:2f::10) by KL1PR0601MB3832.apcprd06.prod.outlook.com (2603:1096:820:1a::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5017.26; Mon, 28 Feb 2022 14:24:06 +0000 Received: from HK2PR06MB3492.apcprd06.prod.outlook.com ([fe80::d924:a610:681d:6d59]) by HK2PR06MB3492.apcprd06.prod.outlook.com ([fe80::d924:a610:681d:6d59%5]) with mapi id 15.20.5017.027; Mon, 28 Feb 2022 14:24:06 +0000 From: Guo Zhengkui To: Ben Skeggs , Karol Herbst , Lyude Paul , David Airlie , Daniel Vetter , Maxime Coquelin , Alexandre Torgue , Guo Zhengkui , dri-devel@lists.freedesktop.org (open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS), nouveau@lists.freedesktop.org (open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS), linux-stm32@st-md-mailman.stormreply.com (moderated list:ARM/STM32 ARCHITECTURE), linux-arm-kernel@lists.infradead.org (moderated list:ARM/STM32 ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] drm/nouveau/instmem: fix uninitialized_var.cocci warning Date: Mon, 28 Feb 2022 22:23:50 +0800 Message-Id: <20220228142352.18006-1-guozhengkui@vivo.com> X-Mailer: git-send-email 2.20.1 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: HK2PR0302CA0022.apcprd03.prod.outlook.com (2603:1096:202::32) To HK2PR06MB3492.apcprd06.prod.outlook.com (2603:1096:202:2f::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6b0653f5-1705-4752-baf1-08d9fac5f9e8 X-MS-TrafficTypeDiagnostic: KL1PR0601MB3832:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:HK2PR06MB3492.apcprd06.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(2906002)(52116002)(38100700002)(38350700002)(2616005)(921005)(316002)(36756003)(1076003)(6512007)(6486002)(8936002)(110136005)(508600001)(5660300002)(66476007)(66946007)(66556008)(966005)(86362001)(6506007)(6666004)(83380400001)(8676002)(7416002)(186003)(26005);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ncgtufGDOvLrHE1JmH7YZ+jqLTWEq1lj8fSfU7p2G1plP6/cDugk6JFHvL6a?= =?us-ascii?Q?CMxWQzTXLGgGPkuw7w91P0KytyMAPNP2jbsgIHYu8QWwrS7luTQ/0V7ahXeX?= =?us-ascii?Q?F6oMEqA+tBpwbELJKHg44DcYmvyuX7PyLtaAdhOpmWETJ8PQyRX5mlvUWccG?= =?us-ascii?Q?dmgxq5y351vXM4YbUyehG5YBsVExJwi53hTF2l7g+OfpnH+JapDDNCiOm3YP?= =?us-ascii?Q?Yktzf+cpZAM4iSMxRubJh3VqtL1ORGViKPfDvB4b7aMCys8dLFbMrib2FFv4?= =?us-ascii?Q?6aF08tovC0Pj+17l3WTnGnJTC17HeNf5O6a/FptjhRbMZXpkj+g3r2gmnsQV?= =?us-ascii?Q?WHtDBNRfR8dG+zkyYYjW22ym1h1hGnrdzhw+cjdHDm2SV6H/3DTPth35IRUt?= =?us-ascii?Q?x50wn5kLy0pL0EijPK30CUNzk1+1vAD5Od8m37ReD2TPP6Se4Aa8TJ+rpW38?= =?us-ascii?Q?AOd7OmpszszqzmUJxqlXIskb5XH+G6JOm0U/fCrWCrvBi6rhBQHBUN8C4Isp?= =?us-ascii?Q?EJvEMduH4JI+UIJGhKoWmEUDsju7N4q27uNj1FT/TRlLD7sWcsHEFFAO/xsj?= =?us-ascii?Q?7dbVw5QDK04X6Sx2hF9PzdPZRvlm6dvjKSF1wnJh4HYY7sGJl9EIcD+/UXeI?= =?us-ascii?Q?EZLzYAivwnlY9nGtlUXBFxbmCo14aY/+Rj6YKYrWJLXFDctmpvDPKWM1F7Xu?= =?us-ascii?Q?9AGnsNYFTFR81QV12VJxsn+UB2OMUIERuo2kjfkpsQAP/O0nQ/htb01aIScO?= =?us-ascii?Q?K8KZHrznrftp383PKHbpw6ceTMgpHmQPH6Fas22+Y9s0nSue/nDiHKZVFI+H?= =?us-ascii?Q?CFXUAicD/PsSWF6d6IXtzHCH+OEorioFJpSekhKYaoqmPb5GhzIraUEP2cpR?= =?us-ascii?Q?YoQdOMO0yAZZmRvnHNTIIhaMnp4ujQEX4v9sNASHyTT8dfzxjQt+NaWGJwJ/?= =?us-ascii?Q?8pGbAOlMGcHp8AycDJi37+fz2bHgd7NuRI31ckhhU8apxo4oQQM/AjrwSwvP?= =?us-ascii?Q?FH7gv/8NXexugPfS/g/iEZCclmGMknDImRN17d7QMYnNq+sIi5tINOxS4UeO?= =?us-ascii?Q?IE+aqgk1WgzQ6FyG9BhnBLFGhMV3yoFQ7vsMcOmBqES4TgCkZE5JFah+IS7S?= =?us-ascii?Q?S+MT5EAP3t9NBL8oN+J3AR0Dv/nIw1Gp8Jr1VOEboA60D1viRTR0aOye/eZH?= =?us-ascii?Q?/DdDmnI8QXs3E2i4ZkRccCNfbql82kB8qhLOXjYWV0RMAC+4FGC35BicQ5tn?= =?us-ascii?Q?Trx+vmX8PkNC5QEKzD4VcncaqRVMLtcVDevC7kW6k8U5ryhYGlUyMM/psx7r?= =?us-ascii?Q?pnO4qNvEw3naW3QujugCx70vGUEBlrMuUHZ3mJM1iQrCtLS3lmOZjABV39PZ?= =?us-ascii?Q?G6HxjyX+qxdm+wi0Eu5o/tFjlVzBVFu6BG1mJpvE6RFkzrJWEEt26lZtIiNa?= =?us-ascii?Q?vQKvrt6lRR5usmkbF0TcVVK93wzx0PtQd1NQN4ZSFDr8RXGrJ3A9PDVlAHE4?= =?us-ascii?Q?faUb9Kp237VdDH+f/IgLD8imYieeIrP7qkdUlW4pnCSPeYcktL0KSweLplCQ?= =?us-ascii?Q?rRM96WMQW5iU2KyD6tf7EkLCzmfK37z4XG+WcLm13S2AgfRDCIdH6NVmYECh?= =?us-ascii?Q?141Shxtpaxm2+uNx7JRYm3k=3D?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6b0653f5-1705-4752-baf1-08d9fac5f9e8 X-MS-Exchange-CrossTenant-AuthSource: HK2PR06MB3492.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Feb 2022 14:24:05.9478 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ty1WW32Fa5MR/ljIUXuYPZo7mIJjTKKkLrYb1txj1rPf8eNUB5rEzXK0EUTG7jyuGg0dI80A3+vzz3+Iid9pEg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: KL1PR0601MB3832 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Fix following coccicheck warning: drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c:316:11-12: WARNING this kind of initialization is deprecated. `void *map =3D map` has the same form of uninitialized_var() macro. I remove the redundant assignement. It has been tested with gcc (Debian 8.3.0-6) 8.3.0. The patch which removed uninitialized_var() is: https://lore.kernel.org/all/20121028102007.GA7547@gmail.com/ And there is very few "/* GCC */" comments in the Linux kernel code now. Signed-off-by: Guo Zhengkui Reviewed-by: Lyude Paul --- drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c b/drivers/g= pu/drm/nouveau/nvkm/subdev/instmem/nv50.c index 96aca0edfa3c..c51bac76174c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c @@ -313,7 +313,7 @@ nv50_instobj_dtor(struct nvkm_memory *memory) struct nv50_instobj *iobj =3D nv50_instobj(memory); struct nvkm_instmem *imem =3D &iobj->imem->base; struct nvkm_vma *bar; - void *map =3D map; + void *map; =20 mutex_lock(&imem->mutex); if (likely(iobj->lru.next)) --=20 2.20.1