sched_ext: Fix sub_detach op check to test the parent's ops

sub_detach is the parent's op called to notify the parent that a child
is detaching. Test parent->ops.sub_detach instead of sch->ops.sub_detach.

Fixes: ebeca1f930 ("sched_ext: Introduce cgroup sub-sched support")
Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
This commit is contained in:
Tejun Heo 2026-03-10 07:12:21 -10:00
commit 7e92cf4354