From patchwork Wed Dec 2 13:23:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nilesh Javali X-Patchwork-Id: 336406 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=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 0D984C64E7B for ; Wed, 2 Dec 2020 13:29:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A93682075A for ; Wed, 2 Dec 2020 13:29:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729947AbgLBN3e (ORCPT ); Wed, 2 Dec 2020 08:29:34 -0500 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:4710 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727991AbgLBN3e (ORCPT ); Wed, 2 Dec 2020 08:29:34 -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 0B2DQc6u021228 for ; Wed, 2 Dec 2020 05:28:52 -0800 Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com with ESMTP id 355w50a4f1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Wed, 02 Dec 2020 05:28:52 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 2 Dec 2020 05:28:50 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 2 Dec 2020 05:28:50 -0800 Received: from dut1171.mv.qlogic.com (unknown [10.112.88.18]) by maili.marvell.com (Postfix) with ESMTP id A64B53F703F; Wed, 2 Dec 2020 05:28:50 -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 0B2DSoxB020103; Wed, 2 Dec 2020 05:28:50 -0800 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id 0B2DSo6N020102; Wed, 2 Dec 2020 05:28:50 -0800 From: Nilesh Javali To: CC: , Subject: [PATCH v2 13/15] qla2xxx: If fcport is undergoing deletion return IO with retry Date: Wed, 2 Dec 2020 05:23:10 -0800 Message-ID: <20201202132312.19966-14-njavali@marvell.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20201202132312.19966-1-njavali@marvell.com> References: <20201202132312.19966-1-njavali@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312, 18.0.737 definitions=2020-12-02_06:2020-11-30,2020-12-02 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. CPU: 44 PID: 35008 Comm: qla2xxx_4_dpc Kdump: loaded Tainted: G OE X 5.3.18-22-default #1 SLE15-SP2 (unreleased) Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 07/16/2020 RIP: 0010:dma_direct_unmap_sg+0x24/0x60 Code: 4c 8b 04 24 eb b9 0f 1f 44 00 00 85 d2 7e 4e 41 57 4d 89 c7 41 56 41 89 ce 41 55 49 89 fd 41 54 41 89 d4 55 31 ed 53 48 89 f3 <8b> 53 18 48 8b 73 10 4d 89 f8 44 89 f1 4c 89 ef 83 c5 01 e8 44 ff RSP: 0018:ffffc0c661037d88 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 000000000000001d RSI: 0000000000000000 RDI: ffff9a51ee53b0b0 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff9a51ee53b0b0 R10: ffffc0c646463dc8 R11: ffff9a4a067087c8 R12: 000000000000001d R13: ffff9a51ee53b0b0 R14: 0000000000000002 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff9a523f800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000043740a004 CR4: 00000000007606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: qla2xxx_qpair_sp_free_dma+0x20d/0x3c0 [qla2xxx] qla2xxx_qpair_sp_compl+0x35/0x90 [qla2xxx] __qla2x00_abort_all_cmds+0x180/0x390 [qla2xxx] ? qla24xx_process_purex_list+0x100/0x100 [qla2xxx] qla2x00_abort_all_cmds+0x5e/0x80 [qla2xxx] qla2x00_do_dpc+0x317/0xa30 [qla2xxx] kthread+0x10d/0x130 ? kthread_park+0xa0/0xa0 ret_from_fork+0x35/0x40 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; }