From: Joerg Roedel <jroedel@suse.de>
Date: Thu, 23 Jul 2015 16:37:13 +0000 (+0200)
Subject: iommu/vt-d: Avoid duplicate device_domain_info structures
X-Git-Tag: omap-for-v4.3/fixes-rc1~57^2^6~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f303e50766298feac17c8715e29ecd14b2c12680;p=pandora-kernel.git

iommu/vt-d: Avoid duplicate device_domain_info structures

When a 'struct device_domain_info' is created as an alias
for another device, this struct will not be re-used when the
real device is encountered. Fix that to avoid duplicate
device_domain_info structures being added.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
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