From: Neil Turton <nturton@solarflare.com>
Date: Thu, 14 May 2009 13:00:35 +0000 (+0100)
Subject: amd-iommu: fix an off-by-one error in the AMD IOMMU driver.
X-Git-Tag: v2.6.31-rc1~408^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=421f909c803d1c397f6c66b75653f238696c39ee;p=pandora-kernel.git

amd-iommu: fix an off-by-one error in the AMD IOMMU driver.

The variable amd_iommu_last_bdf holds the maximum bdf of any device
controlled by an IOMMU, so the number of device entries needed is
amd_iommu_last_bdf+1.  The function tbl_size used amd_iommu_last_bdf
instead.  This would be a problem if the last device were a large
enough power of 2.

[ Impact: fix amd_iommu_last_bdf off-by-one error ]

Signed-off-by: Neil Turton <nturton@solarflare.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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