sysctl: simplify ->strategy

name and nlen parameters passed to ->strategy hook are unused, remove
them.  In general ->strategy hook should know what it's doing, and don't
do something tricky for which, say, pointer to original userspace array
may be needed (name).

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net> [ networking bits ]
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index a01b7c4..11dd013 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -129,9 +129,8 @@
 							   void __user *buffer,
 							   size_t *lenp,
 							   loff_t *ppos);
-int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
-				 int nlen, void __user *oldval,
-				 size_t __user *oldlenp,
+int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl,
+				 void __user *oldval, size_t __user *oldlenp,
 				 void __user *newval, size_t newlen);
 #endif