From: Joerg Roedel <jroedel@suse.de>
Date: Thu, 21 Aug 2014 21:06:48 +0000 (+0200)
Subject: iommu/vt-d: Check return value of acpi_bus_get_device()
X-Git-Tag: fixes-for-v3.18-merge-window~141^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c0df975f9045d6b2b13d88746e628ac308ff49ea;p=pandora-kernel.git

iommu/vt-d: Check return value of acpi_bus_get_device()

Checking adev == NULL is not sufficient as
acpi_bus_get_device() might not touch the value of this
parameter in an error case, so check the return value
directly.

Fixes: ed40356b5fcf1ce28e026ab39c5b2b6939068b50
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
---

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