From: Kulikov Vasiliy <segooon@gmail.com>
Date: Tue, 20 Jul 2010 07:54:28 +0000 (+1000)
Subject: xfs: fix unsigned underflow in xfs_free_eofblocks
X-Git-Tag: v2.6.36-rc1~589^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f34885cd7c6a3f4deea48e3bbc704d91d5704f4;p=pandora-kernel.git

xfs: fix unsigned underflow in xfs_free_eofblocks

map_len is unsigned. Checking map_len <= 0 is buggy when it should be
below zero. So, check exact expression instead of map_len.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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