Re: [PATCH 2/2] cgroup: check cgroup liveliness before unbreaking kernfs protection

[Tejun Heo]

On Tue, Sep 02, 2014 at 06:57:54PM +0800, Li Zefan wrote:
> diff --git a/kernel/cgroup.c b/kernel/cgroup.c
> index e03fc62..c8d07e5 100644
> --- a/kernel/cgroup.c
> +++ b/kernel/cgroup.c
> @@ -1025,6 +1025,11 @@ static umode_t cgroup_file_mode(const struct cftype *cft)
>  	return mode;
>  }
>  
> +static bool cgroup_tryget(struct cgroup *cgrp)
> +{
> +	return css_tryget(&cgrp->self);
> +}

Can you please move this right below cgroup_get() definition?

Thanks.

-- 
tejun
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