linux-kernel - Re: [PATCH 3/3] apparmor: use list_next_entry instead of list_entry

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Message-ID: <20151118034429.GA18041@mail.hallyn.com>
Date:	Tue, 17 Nov 2015 21:44:29 -0600
From:	"Serge E. Hallyn" <serge.hallyn@...ntu.com>
To:	Geliang Tang <geliangtang@....com>
Cc:	John Johansen <john.johansen@...onical.com>,
	James Morris <james.l.morris@...cle.com>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] apparmor: use list_next_entry instead of
 list_entry_next

On Mon, Nov 16, 2015 at 09:46:33PM +0800, Geliang Tang wrote:
> list_next_entry has been defined in list.h, so I replace list_entry_next
> with it.
> 
> Signed-off-by: Geliang Tang <geliangtang@....com>

Seems reasonable.

Acked-by: Serge Hallyn <serge.hallyn@...onical.com>

> ---
>  security/apparmor/apparmorfs.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
> index ad4fa49..7a00bb7 100644
> --- a/security/apparmor/apparmorfs.c
> +++ b/security/apparmor/apparmorfs.c
> @@ -550,8 +550,6 @@ fail2:
>  }
>  
>  
> -#define list_entry_next(pos, member) \
> -	list_entry(pos->member.next, typeof(*pos), member)
>  #define list_entry_is_head(pos, head, member) (&pos->member == (head))
>  
>  /**
> @@ -582,7 +580,7 @@ static struct aa_namespace *__next_namespace(struct aa_namespace *root,
>  	parent = ns->parent;
>  	while (ns != root) {
>  		mutex_unlock(&ns->lock);
> -		next = list_entry_next(ns, base.list);
> +		next = list_next_entry(ns, base.list);
>  		if (!list_entry_is_head(next, &parent->sub_ns, base.list)) {
>  			mutex_lock(&next->lock);
>  			return next;
> @@ -636,7 +634,7 @@ static struct aa_profile *__next_profile(struct aa_profile *p)
>  	parent = rcu_dereference_protected(p->parent,
>  					   mutex_is_locked(&p->ns->lock));
>  	while (parent) {
> -		p = list_entry_next(p, base.list);
> +		p = list_next_entry(p, base.list);
>  		if (!list_entry_is_head(p, &parent->base.profiles, base.list))
>  			return p;
>  		p = parent;
> @@ -645,7 +643,7 @@ static struct aa_profile *__next_profile(struct aa_profile *p)
>  	}
>  
>  	/* is next another profile in the namespace */
> -	p = list_entry_next(p, base.list);
> +	p = list_next_entry(p, base.list);
>  	if (!list_entry_is_head(p, &ns->base.profiles, base.list))
>  		return p;
>  
> -- 
> 2.5.0
> 
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