Hello Maintainers:
After call get_new_cssid(), I can not find the related free function
(it seems free_css_id() is for that, but not used).
The memory location is:
get_new_cssid() --> kzalloc() for 'struct css_id'
get_new_cssid() --> idr_alloc() for 'ss->idr'
One work flow:
cgroup_load_subsys() --> cgroup_init_idr() --> get_new_cssid()
when get_new_cssid() fails, it will:
cgroup_load_subsys() --> cgroup_unload_subsys() --> idr_destroy(),
and also:
cgroup_load_subsys() --> cgroup_unload_subsys() --> ss->css_free();
('css_free' may 'debug_css_free', or 'freezer_css_free' ...)
It seems the work flow above is not 'kfree' 'struct css_id', is it true?
BTW: I also guess, for cgroup_init_idr() in cgroup_init(), need check
the return value.
Please help check.
Thanks.
--
Chen Gang
Asianux Corporation
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