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>

3 files changed, 4 insertions, 5 deletions

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index d0437f36921f..39d471d1163b 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -972,7 +972,7 @@ extern int sysctl_perm(struct ctl_table_root *root,
 
 typedef struct ctl_table ctl_table;
 
-typedef int ctl_handler (struct ctl_table *table, int __user *name, int nlen,
+typedef int ctl_handler (struct ctl_table *table,
                          void __user *oldval, size_t __user *oldlenp,
                          void __user *newval, size_t newlen);
 
diff --git a/include/net/ip.h b/include/net/ip.h
index 1cbccaf0de3f..bc026ecb513f 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -396,7 +396,7 @@ extern void	ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 dport,
 int ipv4_doint_and_flush(ctl_table *ctl, int write,
                          struct file* filp, void __user *buffer,
                          size_t *lenp, loff_t *ppos);
-int ipv4_doint_and_flush_strategy(ctl_table *table, int __user *name, int nlen,
+int ipv4_doint_and_flush_strategy(ctl_table *table,
                                   void __user *oldval, size_t __user *oldlenp,
                                   void __user *newval, size_t newlen);
 #ifdef CONFIG_PROC_FS
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index a01b7c4dc763..11dd0137c6a5 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -129,9 +129,8 @@ extern int 			ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
                                                            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