From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90894C04EB8 for ; Sun, 2 Dec 2018 06:18:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 555362054F for ; Sun, 2 Dec 2018 06:18:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ob52eAyb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 555362054F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725796AbeLBGSP (ORCPT ); Sun, 2 Dec 2018 01:18:15 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:36185 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725355AbeLBGSP (ORCPT ); Sun, 2 Dec 2018 01:18:15 -0500 Received: by mail-pg1-f195.google.com with SMTP id n2so4290279pgm.3 for ; Sat, 01 Dec 2018 22:18:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=pFA19XQqRIOonXczeaJc1JMDfCxsc2SPHw+vTN0jttk=; b=Ob52eAybZ+ukSyGdY8U/Z1jdhXxFQFle/dMi4Et2nQndtm7MZ2i4ONnKsVDEIcjDDz 9W38WqOW1p9mt0J7xkQxfLmLL/jnq1/LcrLmoOqnc9m337jYRgsykPHqvssdhQ8pmZqy AcyrBFinNSivTuQmUI01wz1gKLQW9G1svEowGTi2+SAQF6CW3SbPSPNlOgF5HsoRXG/R 9K9JQ52ZvaqN5BHcgkhczNdO8IQ5qGjOakvBGCY0Sm0g3u6hbovABd7E77bu2Yv2l4eb Ba8iBaRv7cN2h5YB8JO3+4IihJv60g16Rfz+y3KC66wo+3y0mJ60ov/ncoRJ0hAIFPOQ x9gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=pFA19XQqRIOonXczeaJc1JMDfCxsc2SPHw+vTN0jttk=; b=NgQFwLnG9Ko6FBeThPYPkNz34GUMdSRpdOnuPZBPjK1BIp5U2HcW/FUzI5xAjONTQ4 BID8lMdyapT/dOjjoAT+ORfk3bAbjEnBCDyV5STIIHgAKRHEB+9a1ErRmOLaHpDC7UMH HrYbTKyKAFiI+RMYeX7EIuCIuzyUe6CXUl0v2By+hf5+LJkevOoqjFfL93x56XGoTvkg GyI1TMQ7U4ipMYYq+VYUdtZogMKG6DPTRT0Jc2v6K/8ScshDP+g/+BP6sykkNAWDBLe9 WnGwcNkMa+PPhbOtUWoyWPVdegaPtG6K3iT14wDG+dhGBLrEik+F/P4FGFSvaV/N2pXr iO4Q== X-Gm-Message-State: AA+aEWZ2MriDlbROHwUpFq2IYiPtAmPz46n1ia7eUAuixYsIUgFaiE9i c775vPbYxnOd0blT88tKVP4= X-Google-Smtp-Source: AFSGD/UHCJICHgiE0m052Ybq6CARBcS+P92LNUcrBDatOdJIiC6ahi3tnqCNt66ImpC9ArLD+LG41w== X-Received: by 2002:a62:546:: with SMTP id 67mr11166313pff.99.1543731493182; Sat, 01 Dec 2018 22:18:13 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.99.148]) by smtp.gmail.com with ESMTPSA id g15sm46055783pfj.131.2018.12.01.22.18.11 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 01 Dec 2018 22:18:12 -0800 (PST) Date: Sun, 2 Dec 2018 11:51:56 +0530 From: Souptick Joarder To: akpm@linux-foundation.org, willy@infradead.org, mhocko@suse.com, stefanr@s5r6.in-berlin.de Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux1394-devel@lists.sourceforge.net Subject: [PATCH v2 3/9] drivers/firewire/core-iso.c: Convert to use vm_insert_range Message-ID: <20181202062156.GA3131@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert to use vm_insert_range to map range of kernel memory to user vma. Signed-off-by: Souptick Joarder Reviewed-by: Matthew Wilcox --- drivers/firewire/core-iso.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index 35e784c..7bf28bb 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -107,19 +107,8 @@ int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card, int fw_iso_buffer_map_vma(struct fw_iso_buffer *buffer, struct vm_area_struct *vma) { - unsigned long uaddr; - int i, err; - - uaddr = vma->vm_start; - for (i = 0; i < buffer->page_count; i++) { - err = vm_insert_page(vma, uaddr, buffer->pages[i]); - if (err) - return err; - - uaddr += PAGE_SIZE; - } - - return 0; + return vm_insert_range(vma, vma->vm_start, buffer->pages, + buffer->page_count); } void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, -- 1.9.1