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=-8.6 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 84289C43387 for ; Mon, 17 Dec 2018 20:18:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 54A99206A2 for ; Mon, 17 Dec 2018 20:18:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UN3LRotB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389448AbeLQUSz (ORCPT ); Mon, 17 Dec 2018 15:18:55 -0500 Received: from mail-pg1-f193.google.com ([209.85.215.193]:32852 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728155AbeLQUSy (ORCPT ); Mon, 17 Dec 2018 15:18:54 -0500 Received: by mail-pg1-f193.google.com with SMTP id z11so6656628pgu.0 for ; Mon, 17 Dec 2018 12:18:54 -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=UN3LRotBmLU7g4NYrRKgWGuyzje0zXTtKnRBRlwk5Lu8DyWMsl6VlJf+28+6Wu8jUv 3dt9zpCCKdA9JZTazgv5TcRWxgSUlsSdzevpGdqJpv8WVOO3IRZnrSkvKb6ubnohoV8m WBQRSZHxdT7S6ZEvQ/j1SuVSrVP7sby5mirPqSgW8uKaLKcjTIMx1gE8n8BCn7uBbM6E qNvm3sByxZ+GjVVz9M+zYJANQIHyzWVDgrbqWLHcnolk6INBvFGBnZnm5I3oFH71QBCO ra+TEojmKZjUaj3uSfaUG0YtsVnRJmnJwN0YlCBULNR12n8Uynxq3FKnsXpN7gHm1RBp 29tA== 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=uAtRWShx7hMHTlg+OaxyrY4S6KAS2aqdhKK0ojlyj+erl6mrGWV1HaGyPDmwgbpc9x 6ZOOcaOIlqNTAXyaHwzdi8J4eip0y4zXfANAZz2btHpTxCHNi1YxSLpR7IzecPtymJsC KFIu90/Nqa17zBchxPrxkRyvSZGLDdPNB6P46yVc78GCpJX/TZztxZ1MEQTh5Sy8axGo Kp2O4+8s4w6IShO8+MJ482OlgW6HobMpFZb6mQb9lpusD3bH4K+00TPvpdvw7rn1MSva IcWDjwTQIYv2xiREGj3WYn/VpuCtImfmc6uFTCUDRH5yiB2htpoO0T3j880WBfwU9uX0 e5gA== X-Gm-Message-State: AA+aEWbfK0m7trwSVUPdSUvpxjKX89QbI6p42khndfyuO9qodinFOLwN ye4BmijKzAhbmUeppeBnhhQ= X-Google-Smtp-Source: AFSGD/VZpPr1vEyhblYwvkUoYGzeXCeGHGsoaWXD+5TdUu/r2E6BL4B7uDKXBU7K9UAg8FWdanGGog== X-Received: by 2002:a62:8949:: with SMTP id v70mr13708541pfd.85.1545077934004; Mon, 17 Dec 2018 12:18:54 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.98.208]) by smtp.gmail.com with ESMTPSA id f67sm18955733pfc.141.2018.12.17.12.18.52 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 17 Dec 2018 12:18:53 -0800 (PST) Date: Tue, 18 Dec 2018 01:52:46 +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 v4 3/9] drivers/firewire/core-iso.c: Convert to use vm_insert_range Message-ID: <20181217202246.GA10500@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