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| author | Eryu Guan <guaneryu@gmail.com> | 2015-05-14 19:00:45 -0400 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-06-10 13:42:24 -0400 |
| commit | c164d09cd8eb3f6b8c183409695dc0eb3c4c503a (patch) | |
| tree | b6a9a6ed4d7b4bacc4b1fbc3ba5c392345b9d91b /Documentation/DMA-API-HOWTO.txt | |
| parent | d08570f3f052876a7a4472b66daac86c6a11b6b0 (diff) | |
ext4: check for zero length extent explicitly
[ Upstream commit 2f974865ffdfe7b9f46a9940836c8b167342563d ]
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
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'Documentation/DMA-API-HOWTO.txt')
0 files changed, 0 insertions, 0 deletions