From: Vahram Martirosyan <vmartirosyan@gmail.com>
Date: Wed, 28 Nov 2012 17:44:16 +0000 (-0500)
Subject: ext4: fixed potential NULL dereference in ext4_calculate_overhead()
X-Git-Tag: v3.8-rc1~89^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=766f44d46a726cb59f52a75c5c87425a10c4bade;p=pandora-kernel.git

ext4: fixed potential NULL dereference in ext4_calculate_overhead()

The memset operation before check can cause a BUG if the memory
allocation failed.  Since we are using get_zeroed_age, there is no
need to use memset anyway.

Found by the Spruce system in cooperation with the KEDR Framework.

Signed-off-by: Vahram Martirosyan <vmartirosyan@linuxtesting.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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