From patchwork Thu Apr 14 13:11:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 561603 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1A36C433EF for ; Thu, 14 Apr 2022 14:02:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235061AbiDNOCw (ORCPT ); Thu, 14 Apr 2022 10:02:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345589AbiDNNxr (ORCPT ); Thu, 14 Apr 2022 09:53:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC726ABF6A; Thu, 14 Apr 2022 06:44:58 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 57F7161BA7; Thu, 14 Apr 2022 13:44:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 651ABC385AA; Thu, 14 Apr 2022 13:44:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649943897; bh=+CHxBjUPAssW2Q28/oiH/OK/B0WMnIHTpv9bWzb9PXQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xQmVSmlQU4xbEj3riXHjpUkB6TaeB7EwCw7jsTAvZNilCZIJCy1Z2M5nns0qN+BED 3Qyk68w5EYmaov3MLPcMygHWz5CjOCCOqB5xq3t8TGf/rMX0BCyuZ+rcLqa7MdjKlY ajbUBywE9weUtlGEkLFl+nBWqDWJJk5Jmp/NLP/o= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Himanshu Madhani , Quinn Tran , Nilesh Javali , "Martin K. Petersen" Subject: [PATCH 5.4 322/475] scsi: qla2xxx: Fix incorrect reporting of task management failure Date: Thu, 14 Apr 2022 15:11:47 +0200 Message-Id: <20220414110904.099377079@linuxfoundation.org> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220414110855.141582785@linuxfoundation.org> References: <20220414110855.141582785@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Quinn Tran commit 58ca5999e0367d131de82a75257fbfd5aed0195d upstream. User experienced no task management error while target device is responding with error. The RSP_CODE field in the status IOCB is in little endian. Driver assumes it's big endian and it picked up erroneous data. Convert the data back to big endian as is on the wire. Link: https://lore.kernel.org/r/20220310092604.22950-2-njavali@marvell.com Fixes: faef62d13463 ("[SCSI] qla2xxx: Fix Task Management command asynchronous handling") Cc: stable@vger.kernel.org Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_isr.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1839,6 +1839,7 @@ qla24xx_tm_iocb_entry(scsi_qla_host_t *v iocb->u.tmf.data = QLA_FUNCTION_FAILED; } else if ((le16_to_cpu(sts->scsi_status) & SS_RESPONSE_INFO_LEN_VALID)) { + host_to_fcp_swap(sts->data, sizeof(sts->data)); if (le32_to_cpu(sts->rsp_data_len) < 4) { ql_log(ql_log_warn, fcport->vha, 0x503b, "Async-%s error - hdl=%x not enough response(%d).\n",