Re: [PATCH 1/2] devcgroup: make a helper to convertcgroup_subsys_state to devs_cgroup

[Serge E. Hallyn]

Quoting Pavel Emelyanov (xemul@xxxxxxxxxx):
> This is just picking the container_of out of cgroup_to_devcgroup into
> a separate function.
> 
> This new css_to_devcgroup will be used in the 2nd patch.
> 
> Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxx>

Thanks, Pavel.

Acked-by: Serge Hallyn <serue@xxxxxxxxxx>

to both, obviously.

-serge

> ---
>  security/device_cgroup.c |    8 ++++++--
>  1 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/security/device_cgroup.c b/security/device_cgroup.c
> index 4ea5836..15f2f80 100644
> --- a/security/device_cgroup.c
> +++ b/security/device_cgroup.c
> @@ -49,10 +49,14 @@ struct dev_cgroup {
>  	spinlock_t lock;
>  };
> 
> +static inline struct dev_cgroup *css_to_devcgroup(struct cgroup_subsys_state *s)
> +{
> +	return container_of(s, struct dev_cgroup, css);
> +}
> +
>  static inline struct dev_cgroup *cgroup_to_devcgroup(struct cgroup *cgroup)
>  {
> -	return container_of(cgroup_subsys_state(cgroup, devices_subsys_id),
> -			    struct dev_cgroup, css);
> +	return css_to_devcgroup(cgroup_subsys_state(cgroup, devices_subsys_id));
>  }
> 
>  struct cgroup_subsys devices_subsys;
> -- 
> 1.5.3.4
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