> @@ -4199,12 +4208,13 @@ static void init_cgroup_css(struct cgroup_subsys_state *css,
> /* invoke ->css_online() on a new CSS and mark it online if successful */
> static int online_css(struct cgroup_subsys *ss, struct cgroup *cgrp)
> {
> + struct cgroup_subsys_state *css = cgrp->subsys[ss->subsys_id];
> int ret = 0;
>
> lockdep_assert_held(&cgroup_mutex);
>
> if (ss->css_online)
> - ret = ss->css_online(cgrp);
> + ret = ss->css_online(css);
> if (!ret)
> cgrp->subsys[ss->subsys_id]->flags |= CSS_ONLINE;
Then this can be changed to css->flags |= CSS_ONLINE.
> return ret;
--
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