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=-8.3 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 8A982C43441 for ; Thu, 15 Nov 2018 15:44:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3EB952146D for ; Thu, 15 Nov 2018 15:44:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="epRwUqy7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3EB952146D 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 S2388679AbeKPBwX (ORCPT ); Thu, 15 Nov 2018 20:52:23 -0500 Received: from mail-pl1-f196.google.com ([209.85.214.196]:33348 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388571AbeKPBwX (ORCPT ); Thu, 15 Nov 2018 20:52:23 -0500 Received: by mail-pl1-f196.google.com with SMTP id w22-v6so9674565plk.0 for ; Thu, 15 Nov 2018 07:44:02 -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=epRwUqy7htlLmwiI24Igzw3C2oNh3YVt5/KrBuU7kZgm/q5KyELQgGneXGQT7KYl56 a3RPp7G+9jGSYocoRz61BXFqCxjj5kjQ3gfSEKVVQLgHz/flWOteAimfOtCvbbgEYkG8 CcSujgQPd2yZZI23W0wET8wDeoaj8n3Nf2JZsVNdKJhDeJv6vb3FP/jiMdHqHt2CJln6 mAZJudFpETbCbNZLF7yseNL0Tskx0lPoRljbm4WuBW6I61un7FVqA0Tgcq3pBkkrXTrA xkOW8ZMIMv2ZW/Lf/Exdd1gaUYmfX8+qHWP7IGSrnJsyltqvS2md833QBVWTLl2eXkdi kXDQ== 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=b8EYpiX8SHxnrC2EoQEYwdqRiLnSApTqQtywQ4TXPTnZgf2KHUXIZFJAB6BGY8lgex 4Hdwv4l1/f3RQ5rLcGJbRtMMKZj5BivWrfO/zf4FCRh+vI3lA2bnBKP4nKPcyEOln82V CMVlZjpT3TFZsn2boLp1hLYhHBtYQ2yQHG4OWgnGvrPOGRKHkjj8itUNaHQiNKOGCB0Z 6ibUM1Nc0jGvZ0JJKcNlyuZC9VJtz610mbO98/1Tb5woQEHu8oF70Ztf/kSB0re1PoEY 2eammlp8VMo1dCDD5+yZvUTLcMnRZmUbWB9UIk+2H7maaQE0ByLYzD7zUgokVF8hKjo5 D54Q== X-Gm-Message-State: AGRZ1gIUNPy5vufbOTF5G92/EdIeikOZWvrOakCcldJAY1ObR5gMN742 elxK+gG5XR4s7q++6PBaihI= X-Google-Smtp-Source: AJdET5e2nV1ILwV25QmCQEcQZKLe372AfAKrda1ioGmmzBYIfWQwY2V+kpm1Wxo55YOkrsox1AToPQ== X-Received: by 2002:a17:902:560f:: with SMTP id h15-v6mr6963057pli.160.1542296642414; Thu, 15 Nov 2018 07:44:02 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.97.233]) by smtp.gmail.com with ESMTPSA id x23-v6sm27487376pfm.126.2018.11.15.07.44.00 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 15 Nov 2018 07:44:01 -0800 (PST) Date: Thu, 15 Nov 2018 21:17:38 +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 3/9] drivers/firewire/core-iso.c: Convert to use vm_insert_range Message-ID: <20181115154738.GA27932@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