xen/gntdev: Fix off-by-one error when unmapping with holes

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[ Upstream commit 951a010233 ]

If the requested range has a hole, the calculation of the number of
pages to unmap is off by one. Fix it.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Ross Lagerwall 2018-01-09 12:10:21 +00:00 • committed by Greg Kroah-Hartman

parent 197faf0c3a

commit 5aee2c142e

1 changed files with 1 additions and 3 deletions

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drivers/xen/gntdev.c

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