xfs: fix unsigned underflow in xfs_free_eofblocks

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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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Kulikov Vasiliy 2010-07-20 17:54:28 +10:00 • committed by Alex Elder

parent aea1b95321

commit 3f34885cd7

1 changed files with 2 additions and 2 deletions

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fs/xfs/xfs_vnodeops.c

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