From: Nickolaus Woodruff <nickolauswoodruff@gmail.com>
Date: Wed, 26 Nov 2014 18:40:57 +0000 (-0500)
Subject: crypto: drbg - use memzero_explicit() for clearing sensitive data
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~96^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=421d82f5b3e75f94e31875e37d45cdf6a557c120;p=pandora-kernel.git

crypto: drbg - use memzero_explicit() for clearing sensitive data

Compiler dead store optimization can sometimes remove final calls
to memset() used to clear sensitive data at the end of a function.
Replace trailing memset() calls with memzero_explicit() to
preclude unwanted removal.

Signed-off-by: Nickolaus Woodruff <nickolauswoodruff@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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