From d9b0d9ba04cf99abff9125b688c03e154598a644 Mon Sep 17 00:00:00 2001
From: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Date: Thu, 31 Oct 2013 10:32:18 +0530
Subject: [PATCH] btrfs: Replace kmalloc with kmalloc_array

Replace kmalloc(size * nr, ) with kmalloc_array(nr, size), thus making
it easier to check is that the calculation doesn't wrap or return a smaller allocation

Signed-off-by: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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