From patchwork Thu Aug 17 20:13:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 9907127 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 7849660386 for ; Thu, 17 Aug 2017 20:16:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6C7B328591 for ; Thu, 17 Aug 2017 20:16:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6199328BBD; Thu, 17 Aug 2017 20:16:37 +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 18A5628591 for ; Thu, 17 Aug 2017 20:16:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753769AbdHQUQf (ORCPT ); Thu, 17 Aug 2017 16:16:35 -0400 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:23059 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753679AbdHQUQe (ORCPT ); Thu, 17 Aug 2017 16:16:34 -0400 X-IronPort-AV: E=Sophos;i="5.41,389,1498492800"; d="scan'208";a="42840226" Received: from sjappemgw12.hgst.com (HELO sjappemgw11.hgst.com) ([199.255.44.66]) by ob1.hgst.iphmx.com with ESMTP; 18 Aug 2017 04:13:56 +0800 Received: from thinkpad-bart.sdcorp.global.sandisk.com (HELO thinkpad-bart.int.fusionio.com) ([10.11.172.152]) by sjappemgw11.hgst.com with ESMTP; 17 Aug 2017 13:13:41 -0700 From: Bart Van Assche To: Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Damien Le Moal , Akhil Bhansali , Bart Van Assche , Hannes Reinecke , Johannes Thumshirn Subject: [PATCH 42/55] skd: Initialize skd_special_context.req.n_sg to one Date: Thu, 17 Aug 2017 13:13:25 -0700 Message-Id: <20170817201338.16537-43-bart.vanassche@wdc.com> X-Mailer: git-send-email 2.14.0 In-Reply-To: <20170817201338.16537-1-bart.vanassche@wdc.com> References: <20170817201338.16537-1-bart.vanassche@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 debug code in skd_send_special_fitmsg() assumes that req.n_sg represents the number of S/G descriptors. However, skd_construct() initializes that member variable to zero. Set req.n_sg to one such that the debugging code in skd_send_special_fitmsg() works as expected. Signed-off-by: Bart Van Assche Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Johannes Thumshirn --- drivers/block/skd_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index c7f531e99ede..392c898d86e2 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -1050,6 +1050,7 @@ static int skd_format_internal_skspcl(struct skd_device *skdev) memset(scsi, 0, sizeof(*scsi)); dma_address = skspcl->req.sksg_dma_address; scsi->hdr.sg_list_dma_address = cpu_to_be64(dma_address); + skspcl->req.n_sg = 1; sgd->control = FIT_SGD_CONTROL_LAST; sgd->byte_count = 0; sgd->host_side_addr = skspcl->db_dma_address;