From 88e7df0b7ee717f9db3333fb1248827bbdb2d4d3 Mon Sep 17 00:00:00 2001
From: Ed Swierk <eswierk@aristanetworks.com>
Date: Mon, 3 Nov 2008 14:41:16 -0800
Subject: [PATCH] PCI: fix range check on mmapped sysfs resource files

pci_mmap_fits() returns the wrong answer if the sysfs resource file size
is not a multiple of the page size.  vm_end and vm_start are already
page-aligned, so size - start < nr, causing mmap() to return EINVAL.

Signed-off-by: Ed Swierk <eswierk@aristanetworks.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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