From patchwork Tue May 26 18:52:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 225390 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 A91CAC433E1 for ; Tue, 26 May 2020 19:03:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7EBE9208A7 for ; Tue, 26 May 2020 19:03:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590519794; bh=bRyIiJyl6PAl049uunO0xQV9NabWDeMLdpaHZgKozhE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=o4ChyiAQRnrXmCEYmxxRwLmqr4Bl9jwy/q14XaAYBeFUEH6Rd9SZnb7Zpw+KDKH5P dABJFH/efrAV6ag1HcAy6UhubrU+wDDZrnMAyq687X20vXa8g9MVgmHal5pYY+qVZe 0bqBf6U92jmIVUciYfiRvOAISf7f9A/R8a1AnLh4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391180AbgEZTDN (ORCPT ); Tue, 26 May 2020 15:03:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:58386 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391175AbgEZTDM (ORCPT ); Tue, 26 May 2020 15:03:12 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BBEC6208A7; Tue, 26 May 2020 19:03:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590519792; bh=bRyIiJyl6PAl049uunO0xQV9NabWDeMLdpaHZgKozhE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CtGbnjjxOp5a55ey1KSUYb8U0IjhKBFd1rl33iywORSWyn6lpoyBCP31U9fTKCV1U xEdJKNGdeXKD3UQm/Q7/vh6HSAkD0DSBXyV9Z4BT6i4nxf19ojGwRqBTaWJRgwRNb3 81ajeW0csIteQwXqGkCIYWqcz3ef1BeJwvKbpNTk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Himanshu Madhani , Arun Easi , Nilesh Javali , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.19 19/81] scsi: qla2xxx: Fix hang when issuing nvme disconnect-all in NPIV Date: Tue, 26 May 2020 20:52:54 +0200 Message-Id: <20200526183928.697330627@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200526183923.108515292@linuxfoundation.org> References: <20200526183923.108515292@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Arun Easi [ Upstream commit 45a76264c26fd8cfd0c9746196892d9b7e2657ee ] In NPIV environment, a NPIV host may use a queue pair created by base host or other NPIVs, so the check for a queue pair created by this NPIV is not correct, and can cause an abort to fail, which in turn means the NVME command not returned. This leads to hang in nvme_fc layer in nvme_fc_delete_association() which waits for all I/Os to be returned, which is seen as hang in the application. Link: https://lore.kernel.org/r/20200331104015.24868-3-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Arun Easi Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/qla2xxx/qla_mbx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index bef9faea5eee..ac5d2d34aeea 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3077,7 +3077,7 @@ qla24xx_abort_command(srb_t *sp) ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108c, "Entered %s.\n", __func__); - if (vha->flags.qpairs_available && sp->qpair) + if (sp->qpair) req = sp->qpair->req; if (ql2xasynctmfenable)