From patchwork Thu Jan 21 06:08:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 369129 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=-15.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY autolearn=ham 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 DFDAAC433E0 for ; Thu, 21 Jan 2021 06:10:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 94462238D6 for ; Thu, 21 Jan 2021 06:10:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726426AbhAUGJ5 (ORCPT ); Thu, 21 Jan 2021 01:09:57 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:36064 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726110AbhAUGJk (ORCPT ); Thu, 21 Jan 2021 01:09:40 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10L63Y2J063401; Thu, 21 Jan 2021 06:08:52 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : mime-version : content-type; s=corp-2020-01-29; bh=BKTmDn4+SGZjxL0GqTs40duq5z1Lf/bxap1CYtFK5mc=; b=gVvgPRt0GS+8SQa49uBYs/4XONyXVSoXVEX7e9wbPiK6X49J+Z4apg0wh+X1xPaXl74v eiA0JYygHZMEdS2gYL4mYlfl8oWMmU0llUo82BF5NHXreYFVcgrMTm4jqWDuqshMElf9 RJ3RGVHBB55RJj7CPJdt4ZVGmtO5BqaNcBuyPEj2FZJrcPZQi9RaAhnaGjkekYVrad3J irOC5WpnSzMpdC+2YY2jofuG0bmGr5fIB9mgZXIz59cnZlxm1jeAHzaN+C0ACcjbCe3Z TuLJEseN5bCdmZh0zm0K8qi5s7zL/4UvTiT+i0EHNbi+HKaAWqWxFa4fRj/9nmg33gp1 dQ== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by userp2130.oracle.com with ESMTP id 3668qadq75-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 21 Jan 2021 06:08:51 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10L64g4O012929; Thu, 21 Jan 2021 06:08:50 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3030.oracle.com with ESMTP id 3668qwexfp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 21 Jan 2021 06:08:49 +0000 Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 10L68mfS017364; Thu, 21 Jan 2021 06:08:49 GMT Received: from mwanda (/102.36.221.92) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 20 Jan 2021 22:08:48 -0800 Date: Thu, 21 Jan 2021 09:08:41 +0300 From: Dan Carpenter To: Nilesh Javali Cc: GR-QLogic-Storage-Upstream@marvell.com, "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] scsi: qla2xxx: remove unnecessary NULL check Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9870 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 phishscore=0 bulkscore=0 mlxlogscore=999 spamscore=0 suspectscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101210031 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9870 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 spamscore=0 impostorscore=0 mlxscore=0 priorityscore=1501 phishscore=0 mlxlogscore=999 lowpriorityscore=0 malwarescore=0 adultscore=0 clxscore=1011 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101210031 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org The list iterator can't be NULL so this check is not required. Removing the check silences a Smatch warning about inconsistent NULL checking. drivers/scsi/qla2xxx/qla_dfs.c:371 qla_dfs_tgt_counters_show() error: we previously assumed 'fcport' could be null (see line 372) Signed-off-by: Dan Carpenter --- drivers/scsi/qla2xxx/qla_dfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index ccce0eab844e..85bd0e468d43 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -369,7 +369,7 @@ qla_dfs_tgt_counters_show(struct seq_file *s, void *unused) seq_puts(s, "\n"); list_for_each_entry(fcport, &vha->vp_fcports, list) { - if (!fcport || !fcport->rport) + if (!fcport->rport) continue; seq_printf(s, "Target Num = %7d Link Down Count = %14lld\n",