ext4: null out kobject* during sysfs cleanup

Make cleanup of ext4_feat kobject consistent with similar objects.

Signed-off-by: Tyson Nottingham <tgnottingham@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Tyson Nottingham 2018-03-30 00:03:38 -04:00 • committed by Theodore Ts'o
commit c2e5df7626