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| author | Yan <yanzheng@21cn.com> | 2008-01-22 12:46:56 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:59 -0400 |
| commit | b17854275cd297d40c6c5562fa44a472314c6c7f (patch) | |
| tree | a8056de7cbc45dd927cf1220ff2dfc8f4e15dd17 /fs/btrfs/extent_map.c | |
| parent | e18e4809b10e6c9efb5fe10c1ddcb4ebb690d517 (diff) | |
Fix for btrfs_find_free_objectid
btrfs_find_free_objectid may return a used objectid due to arithmetic
underflow. This bug may happen when parameter 'root' is tree root, so
it may cause serious problems when creating snapshot or sub-volume.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent_map.c')
0 files changed, 0 insertions, 0 deletions