linux-kernel - Re: [v2 1/2] capability: export has

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Message-ID: <alpine.LRH.2.20.1701130921560.4964@namei.org>
Date:   Fri, 13 Jan 2017 09:22:04 +1100 (AEDT)
From:   James Morris <jmorris@...ei.org>
To:     Jike Song <jike.song@...el.com>
cc:     alex.williamson@...hat.com, serge@...lyn.com, kwankhede@...dia.com,
        kraxel@...hat.com, linux-security-module@...r.kernel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [v2 1/2] capability: export has_capability

On Thu, 12 Jan 2017, Jike Song wrote:

> has_capability() is sometimes needed by modules to test capability
> for specified task other than current, so export it.
> 
> Cc: Alex Williamson <alex.williamson@...hat.com>
> Cc: Kirti Wankhede <kwankhede@...dia.com>
> Acked-by: Serge Hallyn <serge@...lyn.com>
> Signed-off-by: Jike Song <jike.song@...el.com>


Acked-by: James Morris <james.l.morris@...cle.com>

> ---
>  kernel/capability.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/kernel/capability.c b/kernel/capability.c
> index a98e814..f97fe77 100644
> --- a/kernel/capability.c
> +++ b/kernel/capability.c
> @@ -318,6 +318,7 @@ bool has_capability(struct task_struct *t, int cap)
>  {
>  	return has_ns_capability(t, &init_user_ns, cap);
>  }
> +EXPORT_SYMBOL(has_capability);
>  
>  /**
>   * has_ns_capability_noaudit - Does a task have a capability (unaudited)
> 

-- 
James Morris
<jmorris@...ei.org>