From: Liu Bo <bo.li.liu@oracle.com>
Date: Mon, 4 Mar 2013 16:25:36 +0000 (+0000)
Subject: Btrfs: check for NULL pointer in updating reloc roots
X-Git-Tag: v3.9-rc2~3^2~2^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f71f3e0e4fb5a2445fb93d3057a33aefc4aa30d;p=pandora-kernel.git

Btrfs: check for NULL pointer in updating reloc roots

Add a check for NULL pointer to avoid invalid reference.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
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