From: Maurizio Lombardi <mlombard@redhat.com>
Date: Thu, 11 Sep 2014 10:28:03 +0000 (+0200)
Subject: amd_iommu: do not dereference a NULL pointer address.
X-Git-Tag: fixes-against-v3.18-rc2~67^2^6~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63eaa75e4362ac7981a7e619196a9c75fd03d717;p=pandora-kernel.git

amd_iommu: do not dereference a NULL pointer address.

under low memory conditions, alloc_pte() may return a NULL pointer.
iommu_map_page() does not check it and will panic the system.

Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

Reading git-diff-tree failed