From: Wengang Wang <wen.gang.wang@oracle.com>
Date: Wed, 30 Jun 2010 12:23:30 +0000 (+0800)
Subject: ocfs2/dlm: don't access beyond bitmap size
X-Git-Tag: v2.6.35-rc6~34^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f471c9df922a80ca9af1d9a490b4aab3f990ec19;p=pandora-kernel.git

ocfs2/dlm: don't access beyond bitmap size

dlm->recovery_map is defined as
	unsigned long recovery_map[BITS_TO_LONGS(O2NM_MAX_NODES)];

We should treat O2NM_MAX_NODES as the bit map size in bits.
This patches fixes a bit operation that takes O2NM_MAX_NODES + 1 as bitmap size.

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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