Received: by 2002:a05:6358:9144:b0:117:f937:c515 with SMTP id r4csp4421013rwr; Sun, 23 Apr 2023 05:31:56 -0700 (PDT) X-Google-Smtp-Source: AKy350bYyN1UJOTCG3m9AsPst2J/0kPdYsxqdj91WiIbFDOO/K9SHBiMaZUg7ddC3ElznltRSYHR X-Received: by 2002:a17:902:e808:b0:1a6:6bdb:b548 with SMTP id u8-20020a170902e80800b001a66bdbb548mr13197342plg.1.1682253115762; Sun, 23 Apr 2023 05:31:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1682253115; cv=none; d=google.com; s=arc-20160816; b=PrDBlkRgrR9qPNaUDkw3oG/S8uLEgUv9uKxF+PaJVz6T7YJrhHrep+lY4pCHzUTVJ0 ebUSHU7mNnbG0ovym4tGVMuF+XV4d+FYtASjpycOer8QQHNyvJEWPc2PQhQ6h5JrWfij cwsDsCdJhogQSOUffZtEvMAapzqLky/SQug1Lf5bpX1KjKmiih554Ux2jQLJThF6Hlff PFhPGPD6hyw6PQAIWfxUIT489rx+MXr1iGgaCUfIK2r0H/GzfHGb18IGqL84oedUuBbU 9fz8XMK65FFArCMi4k/mLrpdvZbKKX6DIz9Y8aI+TsBx7FXiGowZHCt1b3jgyt06SHdr +v4w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=ENyrUjDRnz2kPZcSA0EYcVkYWf1rFFiReVt3gpEZK1k=; b=E+o/QLPLpCjG1LGvWJDPYNh8Xl8/QCqZGczJnOkNJEes/DwBsauNC1bwnCuT2JTToL v0RqrhrdxHgyZzTtSHHKloOJwfWi8/LkSUPBFsXyIYseb+gk1HWZE4lleTTM4PqubQK8 sdFVDH2zfQElZ4VTkIrsDXuVUXxny+eN+GjCchjdm91cSAwXTvWWN4UXVd23z0gmukRT tcGVV5gMC0yBDemxEuhQT/cebVTjx/e52l+NB6JnKoT/3SxCxOSyjg0IQSk8HYZ2g1yT OntDB31a353c/w+PEoyqnzzZCuc6AT3KJsKND8enTkXfw7g1mjzwUGgrdoQ49y46LrJG MKaQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id m8-20020a170902db0800b001a27afc07efsi9623565plx.367.2023.04.23.05.31.39; Sun, 23 Apr 2023 05:31:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229585AbjDWM1O (ORCPT + 99 others); Sun, 23 Apr 2023 08:27:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229453AbjDWM1N (ORCPT ); Sun, 23 Apr 2023 08:27:13 -0400 Received: from hust.edu.cn (mail.hust.edu.cn [202.114.0.240]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4BC55107; Sun, 23 Apr 2023 05:27:12 -0700 (PDT) Received: from dd-virtual-machine.localdomain ([60.247.94.10]) (user=U202112064@hust.edu.cn mech=LOGIN bits=0) by mx1.hust.edu.cn with ESMTP id 33NCPgrJ015487-33NCPgrK015487 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Sun, 23 Apr 2023 20:25:49 +0800 From: Jing Xu To: Sathya Prakash , Sreekanth Reddy , Suganath Prabu Subramani , "James E.J. Bottomley" , "Martin K. Petersen" Cc: hust-os-kernel-patches@googlegroups.com, Jing Xu , Dongliang Mu , MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] drivers: mpt3sas: mpt3sas_debugfs: return value check of `mpt3sas_debugfs_root` Date: Sun, 23 Apr 2023 20:25:35 +0800 Message-Id: <20230423122535.31019-1-U202112064@hust.edu.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-FEAS-AUTH-USER: U202112064@hust.edu.cn X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Smatch complains that: mpt3sas_init_debugfs() warn: 'mpt3sas_debugfs_root' is an error pointer or valid There is no need to check the return value of the debugfs_create_dir() function, just delete the dead code. Fixes: 2b01b293f359 ("scsi: mpt3sas: Capture IOC data for debugging purposes") Signed-off-by: Jing Xu Reviewed-by: Dongliang Mu --- drivers/scsi/mpt3sas/mpt3sas_debugfs.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_debugfs.c b/drivers/scsi/mpt3sas/mpt3sas_debugfs.c index a6ab1db81167..c92e08c130b9 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_debugfs.c +++ b/drivers/scsi/mpt3sas/mpt3sas_debugfs.c @@ -99,8 +99,6 @@ static const struct file_operations mpt3sas_debugfs_iocdump_fops = { void mpt3sas_init_debugfs(void) { mpt3sas_debugfs_root = debugfs_create_dir("mpt3sas", NULL); - if (!mpt3sas_debugfs_root) - pr_info("mpt3sas: Cannot create debugfs root\n"); } /* -- 2.25.1