From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 4 Sep 2008 13:04:26 +0000 (+0200)
Subject: AMD IOMMU: check for invalid device pointers
X-Git-Tag: v2.6.28-rc1~712^2^4~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbcc112e3b5367e81a845b082933506b0ff1d1e2;p=pandora-kernel.git

AMD IOMMU: check for invalid device pointers

Currently AMD IOMMU code triggers a BUG_ON if NULL is passed as the
device. This is inconsistent with other IOMMU implementations.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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