| commit | a18ed359bdddcded4f97ff5e2f07793ff9336913 | [log] [tgz] |
|---|---|---|
| author | Dmitry Monakhov <dmonakhov@openvz.org> | Sun Apr 13 15:41:13 2014 -0400 |
| committer | Theodore Ts'o <tytso@mit.edu> | Sun Apr 13 15:41:13 2014 -0400 |
| tree | e97441cbb56686a6d6b30cb562435f01ca6ddb8a | |
| parent | 8dc79ec4c0537e1b83c0739af82a7babefb30012 [diff] |
ext4: always check ext4_ext_find_extent result Where are some places where logic guaranties us that extent we are searching exits, but this may not be true due to on-disk data corruption. If such corruption happens we must prevent possible null pointer dereferences. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>