Re: [PATCH 6/8] cgroup: remove cgroup->name

[Li Zefan]

> diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
> index dd52e7f..30eee3b 100644
> --- a/kernel/sched/debug.c
> +++ b/kernel/sched/debug.c
> @@ -111,8 +111,7 @@ static char *task_group_path(struct task_group *tg)
>  	if (autogroup_path(tg, group_path, PATH_MAX))
>  		return group_path;
>  
> -	cgroup_path(tg->css.cgroup, group_path, PATH_MAX);
> -	return group_path;
> +	return cgroup_path(tg->css.cgroup, group_path, PATH_MAX);

The caller won't check the return value but pass it to printk/seq_printf,
but now cgroup_path() might return -ENAMETOOLONG..

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