From: Milan Broz <gmazyland@gmail.com>
Date: Sat, 22 Nov 2014 08:36:04 +0000 (+0100)
Subject: dm crypt: use memzero_explicit for on-stack buffer
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~22^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a71d6ffe18c0d0f03fc8531949cc8ed41d702ee;p=pandora-kernel.git

dm crypt: use memzero_explicit for on-stack buffer

Use memzero_explicit to cleanup sensitive data allocated on stack
to prevent the compiler from optimizing and removing memset() calls.

Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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