ext4: check for zero length extent explicitly

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The following commit introduced a bug when checking for zero length extent

5946d08 ext4: check for overlapping extents in ext4_valid_extent_entries()

Zero length extent could pass the check if lblock is zero.

Adding the explicit check for zero length back.

Signed-off-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org

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This commit is contained in:

Eryu Guan 2015-05-14 19:00:45 -04:00 • committed by Theodore Ts'o

parent 9d50659406

commit 2f974865ff

1 changed files with 1 additions and 1 deletions

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fs/ext4/extents.c

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