From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 9 Jan 2014 05:32:36 +0000 (+0300)
Subject: iommu/vt-d: Fix signedness bug in alloc_irte()
X-Git-Tag: v3.14-rc1~50^2^3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f4c7448f46b881119998702530676b3400752a9;p=pandora-kernel.git

iommu/vt-d: Fix signedness bug in alloc_irte()

"index" needs to be signed for the error handling to work.  I deleted a
little bit of obsolete cruft related to "index" and "start_index" as
well.

Fixes: 360eb3c5687e ('iommu/vt-d: use dedicated bitmap to track remapping entry allocation status')

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
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