From patchwork Fri Oct 18 08:24:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Bin X-Patchwork-Id: 11197751 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 025C469B1 for ; Fri, 18 Oct 2019 08:17:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D6B8C222C6 for ; Fri, 18 Oct 2019 08:17:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2442203AbfJRIRh (ORCPT ); Fri, 18 Oct 2019 04:17:37 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:4684 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2442194AbfJRIRg (ORCPT ); Fri, 18 Oct 2019 04:17:36 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id A20CA3DD8DB71C51A62B; Fri, 18 Oct 2019 16:17:34 +0800 (CST) Received: from huawei.com (10.90.53.225) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.439.0; Fri, 18 Oct 2019 16:17:24 +0800 From: zhengbin To: , , , CC: , , Subject: [PATCH v5 09/13] scsi: scsi_dh_alua: need to check the result of scsi_execute in alua_rtpg,alua_stpg Date: Fri, 18 Oct 2019 16:24:27 +0800 Message-ID: <1571387071-28853-10-git-send-email-zhengbin13@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1571387071-28853-1-git-send-email-zhengbin13@huawei.com> References: <1571387071-28853-1-git-send-email-zhengbin13@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.225] X-CFilter-Loop: Reflected Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Like sd_pr_command, before use sshdr, we need to check the result of scsi_execute. submit_rtpg/submit_stpg scsi_execute Signed-off-by: zhengbin --- drivers/scsi/device_handler/scsi_dh_alua.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) -- 2.7.4 diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index f32da0c..97c38ed 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -548,7 +548,8 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg) kfree(buff); return SCSI_DH_OK; } - if (!scsi_sense_valid(&sense_hdr)) { + if (driver_byte(retval) != DRIVER_SENSE || + !scsi_sense_valid(&sense_hdr)) { sdev_printk(KERN_INFO, sdev, "%s: rtpg failed, result %d\n", ALUA_DH_NAME, retval); @@ -773,7 +774,8 @@ static unsigned alua_stpg(struct scsi_device *sdev, struct alua_port_group *pg) retval = submit_stpg(sdev, pg->group_id, &sense_hdr); if (retval) { - if (!scsi_sense_valid(&sense_hdr)) { + if (driver_byte(retval) != DRIVER_SENSE || + !scsi_sense_valid(&sense_hdr)) { sdev_printk(KERN_INFO, sdev, "%s: stpg failed, result %d", ALUA_DH_NAME, retval);