From: Michael Neuling <mikey@neuling.org>
Date: Thu, 2 May 2013 15:36:14 +0000 (+0000)
Subject: powerpc/tm: Fix null pointer deference in flush_hash_page
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~13^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2fd22df89365df9451d5b91da3b7bfd48122ecd;p=pandora-kernel.git

powerpc/tm: Fix null pointer deference in flush_hash_page

Make sure that current->thread.reg exists before we deference it in
flush_hash_page.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Reported-by: John J Miller <millerjo@us.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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