| commit | 5de35e8d5c02d271c20e18337e01bc20e6ef472e | [log] [tgz] |
|---|---|---|
| author | Lukas Czerner <lczerner@redhat.com> | Mon Oct 22 18:01:19 2012 -0400 |
| committer | Theodore Ts'o <tytso@mit.edu> | Mon Oct 22 18:01:19 2012 -0400 |
| tree | 76650de85ba0c02a48de9daa1ba316b5108450f0 | |
| parent | 79f1ba49569e5aec919b653c55b03274c2331701 [diff] |
ext4: Avoid underflow in ext4_trim_fs() Currently if len argument in ext4_trim_fs() is smaller than one block, the 'end' variable underflow. Avoid that by returning EINVAL if len is smaller than file system block. Also remove useless unlikely(). Signed-off-by: Lukas Czerner <lczerner@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@vger.kernel.org