From: Yijing Wang <wangyijing@huawei.com>
Date: Tue, 20 May 2014 12:37:52 +0000 (+0800)
Subject: iommu/vt-d: Fix reference count in iommu_prepare_isa
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~158^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b27e82d208b85ee9c3146693bb1e92f9ade4468;p=pandora-kernel.git

iommu/vt-d: Fix reference count in iommu_prepare_isa

Decrease the device reference count avoid memory leak.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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