From: Gu Zheng <guz.fnst@cn.fujitsu.com>
Date: Wed, 31 Jul 2013 20:53:29 +0000 (-0700)
Subject: ocfs2/refcounttree: add the missing NULL check of the return value of find_or_create_... 
X-Git-Tag: v3.11-rc4~21^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62c610460d73fcfa5637cb497c6923ef1c42b12d;p=pandora-kernel.git

ocfs2/refcounttree: add the missing NULL check of the return value of find_or_create_page()

Add the missing NULL check of the return value of find_or_create_page() in
function ocfs2_duplicate_clusters_by_page().

[akpm@linux-foundation.org: fix layout, per Joel]
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Acked-by: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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