From patchwork Fri Sep 1 11:36:28 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: 9933973 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 59A5D6038C for ; Fri, 1 Sep 2017 11:38:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 45295285CC for ; Fri, 1 Sep 2017 11:38:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 39FA828640; Fri, 1 Sep 2017 11:38:57 +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=unavailable 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 C95392861A for ; Fri, 1 Sep 2017 11:38:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751870AbdIALib (ORCPT ); Fri, 1 Sep 2017 07:38:31 -0400 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:25494 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751607AbdIALib (ORCPT ); Fri, 1 Sep 2017 07:38:31 -0400 X-IronPort-AV: E=Sophos;i="5.41,457,1498492800"; d="scan'208";a="47890913" Received: from sjappemgw12.hgst.com (HELO sjappemgw11.hgst.com) ([199.255.44.66]) by ob1.hgst.iphmx.com with ESMTP; 01 Sep 2017 19:36:42 +0800 Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by sjappemgw11.hgst.com with ESMTP; 01 Sep 2017 04:36:41 -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 5/8] scsi: sd_zbc: Fix sd_zbc_read_zoned_characteristics() Date: Fri, 1 Sep 2017 20:36:28 +0900 Message-Id: <20170901113631.12323-6-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.13.5 In-Reply-To: <20170901113631.12323-1-damien.lemoal@wdc.com> References: <20170901113631.12323-1-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 --- 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 810377007665..0e6b5f5d14e7 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -356,15 +356,15 @@ 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;