linux-kernel - Re: [PATCH 1/1] include/uapi/linux/sockios.h: mark SIOCRTMSG unused

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Date:	Wed, 30 Dec 2015 11:56:35 +0100
From:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:	Heinrich Schuchardt <xypron.glpk@....de>,
	"David S. Miller" <davem@...emloft.net>
Cc:	mtk.manpages@...il.com, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/1] include/uapi/linux/sockios.h: mark SIOCRTMSG unused

Hi Heinrich,

On 12/29/2015 11:22 PM, Heinrich Schuchardt wrote:
> IOCTL SIOCRTMSG does nothing but return EINVAL.
> 
> So comment it as unused.

Can you say something about how you confirmed this?
It's not immediately obvious from the code.

Cheers,

Michael


> Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
> ---
>  include/uapi/linux/sockios.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/uapi/linux/sockios.h b/include/uapi/linux/sockios.h
> index e888b1a..8e7890b 100644
> --- a/include/uapi/linux/sockios.h
> +++ b/include/uapi/linux/sockios.h
> @@ -27,7 +27,7 @@
>  /* Routing table calls. */
>  #define SIOCADDRT	0x890B		/* add routing table entry	*/
>  #define SIOCDELRT	0x890C		/* delete routing table entry	*/
> -#define SIOCRTMSG	0x890D		/* call to routing system	*/
> +#define SIOCRTMSG	0x890D		/* unused			*/
>  
>  /* Socket configuration controls. */
>  #define SIOCGIFNAME	0x8910		/* get iface name		*/
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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