From patchwork Wed Nov 18 13:37:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 11915101 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 35CFDC5519F for ; Wed, 18 Nov 2020 13:38:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D03EF221FC for ; Wed, 18 Nov 2020 13:38:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726086AbgKRNht (ORCPT ); Wed, 18 Nov 2020 08:37:49 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:58688 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725822AbgKRNht (ORCPT ); Wed, 18 Nov 2020 08:37:49 -0500 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1kfNea-0002zN-EB; Wed, 18 Nov 2020 13:37:44 +0000 From: Colin King To: James Smart , Dick Kennedy , "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][next] scsi: lpfc: remove dead code on second !ndlp check Date: Wed, 18 Nov 2020 13:37:44 +0000 Message-Id: <20201118133744.461385-1-colin.king@canonical.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Colin Ian King Currently there is a null check on the pointer ndlp that exits via error path issue_ct_rsp_exit followed by another null check on the same pointer that is almost identical to the previous null check stanza and yet can never can be reached because the previous check exited via issue_ct_rsp_exit. This is deadcode and can be removed. Addresses-Coverity: ("Logically dead code") Signed-off-by: Colin Ian King Reviewed-by: James Smart --- drivers/scsi/lpfc/lpfc_bsg.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 35f4998504c1..41e3657c2d8d 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -1526,12 +1526,6 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag, goto issue_ct_rsp_exit; } - /* Check if the ndlp is active */ - if (!ndlp) { - rc = IOCB_ERROR; - goto issue_ct_rsp_exit; - } - /* get a refernece count so the ndlp doesn't go away while * we respond */