From: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Date: Thu, 26 Jan 2012 17:13:19 +0000 (+0200)
Subject: lib/mpi: check for possible zero length
X-Git-Tag: v3.3-rc3~39^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4877e056192245b387aae004ab38f7f3899dd57c;p=pandora-kernel.git

lib/mpi: check for possible zero length

Buggy client might pass zero nlimbs which is meaningless.
Added check for zero length.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Reviewed-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
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