netdev - [PATCH 1/1 v2] include/uapi/linux/sockios.h: mark SIOCRTMSG unused

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Date:	Tue,  5 Jan 2016 10:12:49 +0100
From:	Heinrich Schuchardt <xypron.glpk@....de>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
	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,
	Heinrich Schuchardt <xypron.glpk@....de>
Subject: [PATCH 1/1 v2] include/uapi/linux/sockios.h: mark SIOCRTMSG unused

IOCTL SIOCRTMSG does nothing but return EINVAL.

So comment it as unused.

SIOCRTMSG is only used in:
* net/ipv4/af_inet.c
* include/uapi/linux/sockios.h

inet_ioctl calls ip_rt_ioctl.
ip_rt_ioctl only handles SIOCADDRT and SIOCDELRT and returns -EINVAL
otherwise.

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		*/
-- 
2.1.4

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