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[209.85.220.65]) by mx.google.com with SMTPS id cb11-v6sor32699958plb.57.2018.11.15.07.44.02 for (Google Transport Security); Thu, 15 Nov 2018 07:44:02 -0800 (PST) Received-SPF: pass (google.com: domain of jrdr.linux@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=epRwUqy7; spf=pass (google.com: domain of jrdr.linux@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=jrdr.linux@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com 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-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-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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,