From: Joerg Roedel <jroedel@suse.de>
Date: Wed, 30 Jul 2014 14:04:39 +0000 (+0200)
Subject: iommu/amd: Fix device_state reference counting
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~158^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=75058a302bfa80ff59bf5b25ddb987683a4da650;p=pandora-kernel.git

iommu/amd: Fix device_state reference counting

The references to the device state are not dropped
everywhere. This might cause a dead-lock in
amd_iommu_free_device(). Fix it.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Oded Gabbay <oded.gabbay@amd.com>
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