From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Wed, 25 Feb 2015 12:17:48 +0000 (+0100)
Subject: s390/pci: fix possible information leak in mmio syscall
X-Git-Tag: omap-for-v4.1/wl12xx-dt~32^2~5
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f0483044c1c96089256cda4cf182eea1ead77fe4;p=pandora-kernel.git

s390/pci: fix possible information leak in mmio syscall

Make sure that even in error situations we do not use copy_to_user
on uninitialized kernel memory.

Cc: stable@vger.kernel.org # 3.19+
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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