From patchwork Wed May 3 16:29:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 9710157 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 768D960385 for ; Wed, 3 May 2017 16:29:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 68E202869D for ; Wed, 3 May 2017 16:29:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5989128602; Wed, 3 May 2017 16:29:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C94312869D for ; Wed, 3 May 2017 16:29:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751981AbdECQ3I (ORCPT ); Wed, 3 May 2017 12:29:08 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:43366 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751118AbdECQ3F (ORCPT ); Wed, 3 May 2017 12:29:05 -0400 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1d5x9B-0000Gr-W9; Wed, 03 May 2017 16:29:02 +0000 From: Colin King To: "James E . J . Bottomley" , "Martin K . Petersen" , linux-scsi@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] scsi: pmcraid: remove redundant check to see if request_size is less than zero Date: Wed, 3 May 2017 17:29:01 +0100 Message-Id: <20170503162901.3623-1-colin.king@canonical.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Colin Ian King The 2nd check to see if request_size is less than zero is redundant because the first check takes error exit path on this condition. So, since it is redundant, remove it. Detected by CoverityScan, CID#146149 ("Logically Dead Code") Signed-off-by: Colin Ian King Reviewed-by: Tyrel Datwyler --- drivers/scsi/pmcraid.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index a4aadf5f4dc6..1cc814f1505a 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -3770,9 +3770,6 @@ static long pmcraid_ioctl_passthrough( pmcraid_err("couldn't build passthrough ioadls\n"); goto out_free_cmd; } - } else if (request_size < 0) { - rc = -EINVAL; - goto out_free_cmd; } /* If data is being written into the device, copy the data from user