From patchwork Tue Apr 25 18:20:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Logan Gunthorpe X-Patchwork-Id: 9699217 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 AB745601D3 for ; Tue, 25 Apr 2017 18:31:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9C15B28450 for ; Tue, 25 Apr 2017 18:31:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9041328464; Tue, 25 Apr 2017 18:31:14 +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 47FDD28450 for ; Tue, 25 Apr 2017 18:31:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2993036AbdDYSbG (ORCPT ); Tue, 25 Apr 2017 14:31:06 -0400 Received: from ale.deltatee.com ([207.54.116.67]:49751 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1952040AbdDYSVX (ORCPT ); Tue, 25 Apr 2017 14:21:23 -0400 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 1d355O-0004KO-04; Tue, 25 Apr 2017 12:21:17 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.84_2) (envelope-from ) id 1d355M-0005sJ-Nv; Tue, 25 Apr 2017 12:21:12 -0600 From: Logan Gunthorpe To: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-nvdimm@lists.01.org, linux-scsi@vger.kernel.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, dm-devel@redhat.com Cc: Christoph Hellwig , "Martin K. Petersen" , "James E.J. Bottomley" , Jens Axboe , Greg Kroah-Hartman , Dan Williams , Ross Zwisler , Matthew Wilcox , Sumit Semwal , Stephen Bates , Logan Gunthorpe , Herbert Xu , "David S. Miller" Date: Tue, 25 Apr 2017 12:20:54 -0600 Message-Id: <1493144468-22493-8-git-send-email-logang@deltatee.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1493144468-22493-1-git-send-email-logang@deltatee.com> References: <1493144468-22493-1-git-send-email-logang@deltatee.com> X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-nvdimm@lists.01.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, dm-devel@redhat.com, hch@lst.de, martin.petersen@oracle.com, jejb@linux.vnet.ibm.com, axboe@kernel.dk, gregkh@linuxfoundation.org, dan.j.williams@intel.com, ross.zwisler@linux.intel.com, mawilcox@microsoft.com, sumit.semwal@linaro.org, sbates@raithlin.com, logang@deltatee.com, herbert@gondor.apana.org.au, davem@davemloft.net X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH v2 07/21] crypto: shash, caam: 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) Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Very straightforward conversion to the new function in the caam driver and shash library. Signed-off-by: Logan Gunthorpe Cc: Herbert Xu Cc: "David S. Miller" --- crypto/shash.c | 9 ++++++--- drivers/crypto/caam/caamalg.c | 8 +++----- 2 files changed, 9 insertions(+), 8 deletions(-) diff --git a/crypto/shash.c b/crypto/shash.c index 5e31c8d..5914881 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -283,10 +283,13 @@ int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc) if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) { void *data; - data = kmap_atomic(sg_page(sg)); - err = crypto_shash_digest(desc, data + offset, nbytes, + data = sg_map(sg, 0, SG_KMAP_ATOMIC); + if (IS_ERR(data)) + return PTR_ERR(data); + + err = crypto_shash_digest(desc, data, nbytes, req->result); - kunmap_atomic(data); + sg_unmap(sg, data, 0, SG_KMAP_ATOMIC); crypto_yield(desc->flags); } else err = crypto_shash_init(desc) ?: diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 398807d..62d2f5d 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -89,7 +89,6 @@ static void dbg_dump_sg(const char *level, const char *prefix_str, struct scatterlist *sg, size_t tlen, bool ascii) { struct scatterlist *it; - void *it_page; size_t len; void *buf; @@ -98,19 +97,18 @@ static void dbg_dump_sg(const char *level, const char *prefix_str, * make sure the scatterlist's page * has a valid virtual memory mapping */ - it_page = kmap_atomic(sg_page(it)); - if (unlikely(!it_page)) { + buf = sg_map(it, 0, SG_KMAP_ATOMIC); + if (IS_ERR(buf)) { printk(KERN_ERR "dbg_dump_sg: kmap failed\n"); return; } - buf = it_page + it->offset; len = min_t(size_t, tlen, it->length); print_hex_dump(level, prefix_str, prefix_type, rowsize, groupsize, buf, len, ascii); tlen -= len; - kunmap_atomic(it_page); + sg_unmap(it, buf, 0, SG_KMAP_ATOMIC); } } #endif