From patchwork Thu Nov 15 15:47:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souptick Joarder X-Patchwork-Id: 10684655 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AD9AB1747 for ; Thu, 15 Nov 2018 15:44:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 97B062CBA8 for ; Thu, 15 Nov 2018 15:44:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8C0052CB99; Thu, 15 Nov 2018 15:44:27 +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=-3.6 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 39C822CBAD for ; Thu, 15 Nov 2018 15:44:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Subject:To:From :Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Loy8BRpAHtcpXHPkVZSW+j0QVNFil9xaFXoMXhsn+1M=; b=RwAPS6Dqf3rRwx FVKEmUhs3tx5jCS3kRUDRJodLzhI39c012CFk+uhK1o+2AqKxdrBxixcnz+7wMmkkrlzFNNEki9sE veRlfOkIl0JGO/pupQnrRy+Ttr2tUzXAw42wdbs37ptsRXC2ddwFnXeYRu6zI/eINrwxkvRcUgvZr aHbw2V6YMX1RqtKTfvFzqZAFMyjxCVHWxXb1eoNEtOS7m7zYd5SoZIhp0oKSlpU8Fy4lXlbHBaxaQ jFBxT9qggV1unXBkBJb/40x1isWKA3QX36KhV0lxTOWnTc4EEfeRrXPBuVw7kU7H1yp09HsGlG4AD NqID3OLsmVm5EgFthRDg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gNJoV-00067H-GG; Thu, 15 Nov 2018 15:44:15 +0000 Received: from mail-pl1-x644.google.com ([2607:f8b0:4864:20::644]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gNJoS-00065G-Tn for linux-arm-kernel@lists.infradead.org; Thu, 15 Nov 2018 15:44:14 +0000 Received: by mail-pl1-x644.google.com with SMTP id s5-v6so9653383plq.11 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=ka1bBXi02/FqB6YrcayQKhKRUh83ECLoKU3lJ8v3EkuIkYWm5b9bQc+xIJKE9VQ2p4 G5w/wChdS26ILUbxkjjys22NtVNNI2YC0hMVcRXEotKoHUYSGbFdYnVzd50xPyhiEC9l EMAJDS0O0CP98j5W/xiMRuWHss0uIjOllfFRGPpgb4YGybSC+aXe6Bplb6RJWi9E6y+b FmzVBva8cIpZaQy2B6E5UGWDSJj+HNmbb+P+33gw1Bf42ka/Ljps4LuRVqu2tlgTsgkI LPZYs+6dZv2Wte7imYXK/shTm7If4kufbk9VVbaKqIz8iigbYNlGjqgOojWIFwTHX1Xi uhMg== X-Gm-Message-State: AGRZ1gLH6J2YiJEjyvgsM1osrEFyD5l3slokLrEJUB7sUcfb8f6jYHyc HEAtgRUDO1kJe/BbPHi5GUkonZPM 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 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-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181115_074412_954631_B3CF0538 X-CRM114-Status: GOOD ( 13.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mm@kvack.org, linux1394-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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,