From patchwork Tue Dec 1 08:27:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 11942273 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 D9BE6C64E7A for ; Tue, 1 Dec 2020 08:33:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 73D8921D7A for ; Tue, 1 Dec 2020 08:33:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="h8XutENJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726415AbgLAIdw (ORCPT ); Tue, 1 Dec 2020 03:33:52 -0500 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:11230 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726041AbgLAIdw (ORCPT ); Tue, 1 Dec 2020 03:33:52 -0500 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 0B18Vrv5026049 for ; Tue, 1 Dec 2020 00:33:10 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=o/sgOlLFPE65UtETC3D7Ams51ehl/SL8c4L2V/4LM0o=; b=h8XutENJVdUeb/RcSWSwgbLG3CSuH+QqFqN57esuZ0TxKYL59iutvocQO8SqPb9ClR8p Mt6LrDecO731OEGHzxJ4e6BsjniprJL5IOGP1cpCx7CIM2RTEoMOm/BdOTroM6zcDf2M hkoT4m6ltUVf/pbNR/F+IhvKXKJpTiGZlXvZA7g/NrYjiwjznU1i9C2rCITbpU12/9Ap 6LshRV4odM3ODrghgUBM1EbqV0t7LERrP5ixPjNCn2D/VLBW/nJuEL/RkGqZ+T2JDHPQ xiOwnnh89sg0rI2IOh6XEYHBK/ZpAOhw4VPGasdkGXKOB61UvMGFPrlVSFcObmYv4Lrs Hw== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0b-0016f401.pphosted.com with ESMTP id 353pxsf7ph-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Tue, 01 Dec 2020 00:33:10 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 1 Dec 2020 00:33:08 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 1 Dec 2020 00:33:09 -0800 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id C77193F703F; Tue, 1 Dec 2020 00:33:08 -0800 (PST) Received: from dut1171.mv.qlogic.com (localhost [127.0.0.1]) by dut1171.mv.qlogic.com (8.14.7/8.14.7) with ESMTP id 0B18X8Hd024349; Tue, 1 Dec 2020 00:33:08 -0800 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id 0B18X8iW024348; Tue, 1 Dec 2020 00:33:08 -0800 From: Nilesh Javali To: CC: , Subject: [PATCH 13/15] qla2xxx: If fcport is undergoing deletion return IO with retry Date: Tue, 1 Dec 2020 00:27:28 -0800 Message-ID: <20201201082730.24158-14-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20201201082730.24158-1-njavali@marvell.com> References: <20201201082730.24158-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-12-01_01:2020-11-30,2020-12-01 signatures=0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Saurav Kashyap Driver unload with IOs causes server to crash. Return IO with retry if fcport undergoing deletion. Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali Reviewed-by: Himanshu Madhani --- drivers/scsi/qla2xxx/qla_os.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index a75edba2b334..be9d10092dd3 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -884,8 +884,8 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) goto qc24_fail_command; } - if (!fcport) { - cmd->result = DID_NO_CONNECT << 16; + if (!fcport || fcport->deleted) { + cmd->result = DID_IMM_RETRY << 16; goto qc24_fail_command; } @@ -966,8 +966,8 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, goto qc24_fail_command; } - if (!fcport) { - cmd->result = DID_NO_CONNECT << 16; + if (!fcport || fcport->deleted) { + cmd->result = DID_IMM_RETRY << 16; goto qc24_fail_command; }