From patchwork Thu Sep 7 16:16:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 9942527 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EF04B6038C for ; Thu, 7 Sep 2017 16:18:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C9858286CA for ; Thu, 7 Sep 2017 16:18:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BE63E28722; Thu, 7 Sep 2017 16:18:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 521D7286CA for ; Thu, 7 Sep 2017 16:18:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932296AbdIGQSr (ORCPT ); Thu, 7 Sep 2017 12:18:47 -0400 Received: from esa2.hgst.iphmx.com ([68.232.143.124]:20811 "EHLO esa2.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932095AbdIGQSq (ORCPT ); Thu, 7 Sep 2017 12:18:46 -0400 X-IronPort-AV: E=Sophos;i="5.42,359,1500912000"; d="scan'208";a="145340040" Received: from sjappemgw12.hgst.com (HELO sjappemgw11.hgst.com) ([199.255.44.66]) by ob1.hgst.iphmx.com with ESMTP; 08 Sep 2017 00:22:07 +0800 Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by sjappemgw11.hgst.com with ESMTP; 07 Sep 2017 09:16:58 -0700 From: Damien Le Moal To: linux-scsi@vger.kernel.org, "Martin K . Petersen" , linux-block@vger.kernel.org, Jens Axboe Cc: Christoph Hellwig , Bart Van Assche , stable@vger.kernel.org Subject: [PATCH V2 08/12] scsi: sd_zbc: Fix sd_zbc_read_zoned_characteristics() Date: Fri, 8 Sep 2017 01:16:36 +0900 Message-Id: <20170907161640.30465-9-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.13.5 In-Reply-To: <20170907161640.30465-1-damien.lemoal@wdc.com> References: <20170907161640.30465-1-damien.lemoal@wdc.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The three values starting at byte 8 of the Zoned Block Device Characteristics VPD page B6h are 32 bits values, not 64bits. So use get_unaligned_be32() to retrieve the values and not get_unaligned_be64() Fixes: 89d947561077 ("sd: Implement support for ZBC devices") Cc: Signed-off-by: Damien Le Moal Reviewed-by: Bart Van Assche Reviewed-by: Johannes Thumshirn --- drivers/scsi/sd_zbc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 8a45db8bd6e7..8b258254a2bb 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -358,15 +358,15 @@ static int sd_zbc_read_zoned_characteristics(struct scsi_disk *sdkp, if (sdkp->device->type != TYPE_ZBC) { /* Host-aware */ sdkp->urswrz = 1; - sdkp->zones_optimal_open = get_unaligned_be64(&buf[8]); - sdkp->zones_optimal_nonseq = get_unaligned_be64(&buf[12]); + sdkp->zones_optimal_open = get_unaligned_be32(&buf[8]); + sdkp->zones_optimal_nonseq = get_unaligned_be32(&buf[12]); sdkp->zones_max_open = 0; } else { /* Host-managed */ sdkp->urswrz = buf[4] & 1; sdkp->zones_optimal_open = 0; sdkp->zones_optimal_nonseq = 0; - sdkp->zones_max_open = get_unaligned_be64(&buf[16]); + sdkp->zones_max_open = get_unaligned_be32(&buf[16]); } return 0;