From: Yan Zheng <zheng.yan@oracle.com>
Date: Wed, 27 May 2009 13:16:03 +0000 (-0400)
Subject: btrfs: Fix set/clear_extent_bit for 'end == (u64)-1'
X-Git-Tag: v2.6.31-rc1~380^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c939df56c3ea018b58e5aa76181284c2053d699;p=pandora-kernel.git

btrfs: Fix set/clear_extent_bit for 'end == (u64)-1'

There are some 'start = state->end + 1;' like code in set_extent_bit
and clear_extent_bit. They overflow when end == (u64)-1.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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