From patchwork Thu Apr 13 22:05:23 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Logan Gunthorpe X-Patchwork-Id: 9680497 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 161B360326 for ; Fri, 14 Apr 2017 01:00:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 087CA286A1 for ; Fri, 14 Apr 2017 01:00:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F0FFB286AD; Fri, 14 Apr 2017 01:00:48 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 90368286A1 for ; Fri, 14 Apr 2017 01:00:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7B5066E957; Fri, 14 Apr 2017 00:59:29 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from ale.deltatee.com (ale.deltatee.com [207.54.116.67]) by gabe.freedesktop.org (Postfix) with ESMTPS id A6E486E948; Thu, 13 Apr 2017 22:41:14 +0000 (UTC) Received: from cgy1-donard.priv.deltatee.com ([172.16.1.31]) by ale.deltatee.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1cymsK-0003tg-0Z; Thu, 13 Apr 2017 16:06:03 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.84_2) (envelope-from ) id 1cymsG-0001BN-Lu; Thu, 13 Apr 2017 16:05:56 -0600 From: Logan Gunthorpe To: Christoph Hellwig , "Martin K. Petersen" , Sagi Grimberg , Jens Axboe , Tejun Heo , Greg Kroah-Hartman , Dan Williams , Ross Zwisler , Matthew Wilcox , Sumit Semwal , Ming Lin , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, intel-gfx@lists.freedesktop.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-nvme@lists.infradead.org, linux-nvdimm@lists.01.org, linux-scsi@vger.kernel.org, fcoe-devel@open-fcoe.org, open-iscsi@googlegroups.com, megaraidlinux.pdl@broadcom.com, sparmaintainer@unisys.com, devel@driverdev.osuosl.org, target-devel@vger.kernel.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com Date: Thu, 13 Apr 2017 16:05:23 -0600 Message-Id: <1492121135-4437-11-git-send-email-logang@deltatee.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1492121135-4437-1-git-send-email-logang@deltatee.com> References: <1492121135-4437-1-git-send-email-logang@deltatee.com> X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: hch@lst.de, martin.petersen@oracle.com, sagi@grimberg.me, axboe@kernel.dk, tj@kernel.org, gregkh@linuxfoundation.org, dan.j.williams@intel.com, ross.zwisler@linux.intel.com, mawilcox@microsoft.com, sumit.semwal@linaro.org, ming.l@ssi.samsung.com, linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-nvme@lists.infradead.org, linux-nvdimm@lists.01.org, fcoe-devel@open-fcoe.org, open-iscsi@googlegroups.com, megaraidlinux.pdl@broadcom.com, sparmaintainer@unisys.com, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-media@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com, swise@opengridcomputing.com, sbates@raithlin.com, logang@deltatee.com X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH 10/22] staging: unisys: visorbus: Make use of the new sg_map helper function X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) X-Mailman-Approved-At: Fri, 14 Apr 2017 00:58:55 +0000 Cc: Steve Wise , Logan Gunthorpe , Stephen Bates X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Straightforward conversion to the new function. Signed-off-by: Logan Gunthorpe --- drivers/staging/unisys/visorhba/visorhba_main.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c index 0ce92c8..2d8c8bc 100644 --- a/drivers/staging/unisys/visorhba/visorhba_main.c +++ b/drivers/staging/unisys/visorhba/visorhba_main.c @@ -842,7 +842,6 @@ do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp, struct scsi_cmnd *scsicmd) struct scatterlist *sg; unsigned int i; char *this_page; - char *this_page_orig; int bufind = 0; struct visordisk_info *vdisk; struct visorhba_devdata *devdata; @@ -869,11 +868,14 @@ do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp, struct scsi_cmnd *scsicmd) sg = scsi_sglist(scsicmd); for (i = 0; i < scsi_sg_count(scsicmd); i++) { - this_page_orig = kmap_atomic(sg_page(sg + i)); - this_page = (void *)((unsigned long)this_page_orig | - sg[i].offset); + this_page = sg_map(sg + i, SG_KMAP_ATOMIC); + if (IS_ERR(this_page)) { + scsicmd->result = DID_ERROR << 16; + return; + } + memcpy(this_page, buf + bufind, sg[i].length); - kunmap_atomic(this_page_orig); + sg_unmap(sg + i, this_page, SG_KMAP_ATOMIC); } } else { devdata = (struct visorhba_devdata *)scsidev->host->hostdata;