From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AED09C433FE for ; Tue, 8 Dec 2020 01:31:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76C11221FD for ; Tue, 8 Dec 2020 01:31:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726636AbgLHBb0 (ORCPT ); Mon, 7 Dec 2020 20:31:26 -0500 Received: from aserp2130.oracle.com ([141.146.126.79]:56208 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726369AbgLHBb0 (ORCPT ); Mon, 7 Dec 2020 20:31:26 -0500 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0B81TGqD103681; Tue, 8 Dec 2020 01:30:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : message-id : references : date : in-reply-to : mime-version : content-type; s=corp-2020-01-29; bh=sYcP+zt4qLnmC4XoPneH40sjSPVxmZGxQb7RF5dynPI=; b=wEuk4/W9/KHjkBAuQd4MQJz39HGqb3qumTThlwxmnMux4UqbXKUuiNRORZc8wjvxvDTb IGXA5NHe+VmpgbuWS2nWlmM1fXjtgaR5CWOJKk3IoEe+XyDZ6D0hFAPg8lOQKDe8b+8o jvMFRPQhwCIWIfi20ZcPemMW+ykCecsqplO43wsbEBJKQ5mFNn3dhK5rh++nr5/uriA7 Xjx55QgmycYnGJrdVugRL8wz3AQKJtfX5dMJ0oLGcqF1iqf1+oK5cYtjVw2szYEwfu4J DzefTqJrzvRx/tOnaf7BwaYf9TrqviCQka+9cy/rGwaOEj8gJDijNmdBy2v5/cUf9SRJ mA== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by aserp2130.oracle.com with ESMTP id 357yqbrhcp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 08 Dec 2020 01:30:25 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0B81TfcN117394; Tue, 8 Dec 2020 01:30:25 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3030.oracle.com with ESMTP id 358m4x2kw8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 08 Dec 2020 01:30:24 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 0B81UI2C004546; Tue, 8 Dec 2020 01:30:18 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 07 Dec 2020 17:30:17 -0800 To: Arnd Bergmann Cc: "James E.J. Bottomley" , "Martin K. Petersen" , Nathan Chancellor , Nick Desaulniers , Jaegeuk Kim , Arnd Bergmann , Alim Akhtar , Avri Altman , Stanley Chu , Can Guo , Asutosh Das , Bean Huo , Bart Van Assche , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Subject: Re: [PATCH] ufshcd: fix Wsometimes-uninitialized warning From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20201203223137.1205933-1-arnd@kernel.org> Date: Mon, 07 Dec 2020 20:30:14 -0500 In-Reply-To: <20201203223137.1205933-1-arnd@kernel.org> (Arnd Bergmann's message of "Thu, 3 Dec 2020 23:31:26 +0100") MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9828 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 spamscore=0 suspectscore=1 bulkscore=0 malwarescore=0 phishscore=0 adultscore=0 mlxlogscore=975 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012080006 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9828 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 mlxlogscore=987 clxscore=1011 malwarescore=0 bulkscore=0 phishscore=0 adultscore=0 spamscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012080006 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Arnd, > clang complains about a possible code path in which a variable is > used without an initialization: > > drivers/scsi/ufs/ufshcd.c:7690:3: error: variable 'sdp' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized] > BUG_ON(1); > ^~~~~~~~~ Applied to 5.11/scsi-staging, thanks! -- Martin K. Petersen Oracle Linux Engineering