From 9b27e82d208b85ee9c3146693bb1e92f9ade4468 Mon Sep 17 00:00:00 2001
From: Yijing Wang <wangyijing@huawei.com>
Date: Tue, 20 May 2014 20:37:52 +0800
Subject: [PATCH] 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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Reading git-format-patch failed