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(parent: f5dafca) | patch
PCI: fix range check on mmapped sysfs resource files
authorEd Swierk <eswierk@aristanetworks.com>
Mon, 3 Nov 2008 22:41:16 +0000 (14:41 -0800)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Mon, 3 Nov 2008 22:41:16 +0000 (14:41 -0800)
commit88e7df0b7ee717f9db3333fb1248827bbdb2d4d3
treec24dbb487be7f59869438974884f1aa86c48af19tree | snapshot
parentf5dafca52d366ef8c6c86cbdfecc71a9a78b63a6commit | diff
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>
drivers/pci/pci-sysfs.c diff | blob | history
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