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cgroup: remove unneeded return value of cgroup_rm_cftypes_locked() 

The return value of cgroup_rm_cftypes_locked() is always 0. So remove
it to simplify the code. No functional change intended.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Miaohe Lin 2023-07-01 15:38:56 +08:00 committed by Tejun Heo
parent 3f01e9fed8
commit 2246ca53d7
1 changed files with 3 additions and 6 deletions
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9
kernel/cgroup/cgroup.c
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@ -4320,14 +4320,13 @@ static int cgroup_init_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)
return ret;
}
static int cgroup_rm_cftypes_locked(struct cftype *cfts)
static void cgroup_rm_cftypes_locked(struct cftype *cfts)
{
lockdep_assert_held(&cgroup_mutex);
list_del(&cfts->node);
cgroup_apply_cftypes(cfts, false);
cgroup_exit_cftypes(cfts);
return 0;
}
/**
@ -4343,8 +4342,6 @@ static int cgroup_rm_cftypes_locked(struct cftype *cfts)
*/
int cgroup_rm_cftypes(struct cftype *cfts)
{
int ret;
if (!cfts || cfts[0].name[0] == '\0')
return 0;
@ -4352,9 +4349,9 @@ int cgroup_rm_cftypes(struct cftype *cfts)
return -ENOENT;
cgroup_lock();
ret = cgroup_rm_cftypes_locked(cfts);
cgroup_rm_cftypes_locked(cfts);
cgroup_unlock();
return ret;
return 0;
}
/**