sysctl: remove "struct file *" argument of ->proc_handler

It's unused.

It isn't needed -- read or write flag is already passed and sysctl
shouldn't care about the rest.

It _was_ used in two places at arch/frv for some reason.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 264528e..b55fd7e 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -50,10 +50,9 @@
  * /proc entries (sysctl)
  */
 static const char appldata_proc_name[APPLDATA_PROC_NAME_LENGTH] = "appldata";
-static int appldata_timer_handler(ctl_table *ctl, int write, struct file *filp,
+static int appldata_timer_handler(ctl_table *ctl, int write,
 				  void __user *buffer, size_t *lenp, loff_t *ppos);
 static int appldata_interval_handler(ctl_table *ctl, int write,
-					 struct file *filp,
 					 void __user *buffer,
 					 size_t *lenp, loff_t *ppos);
 
@@ -247,7 +246,7 @@
  * Start/Stop timer, show status of timer (0 = not active, 1 = active)
  */
 static int
-appldata_timer_handler(ctl_table *ctl, int write, struct file *filp,
+appldata_timer_handler(ctl_table *ctl, int write,
 			   void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	int len;
@@ -289,7 +288,7 @@
  * current timer interval.
  */
 static int
-appldata_interval_handler(ctl_table *ctl, int write, struct file *filp,
+appldata_interval_handler(ctl_table *ctl, int write,
 			   void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	int len, interval;
@@ -335,7 +334,7 @@
  * monitoring (0 = not in process, 1 = in process)
  */
 static int
-appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
+appldata_generic_handler(ctl_table *ctl, int write,
 			   void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	struct appldata_ops *ops = NULL, *tmp_ops;
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 4c51256..20f282c 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -881,11 +881,11 @@
  * if debug_active is already off
  */
 static int
-s390dbf_procactive(ctl_table *table, int write, struct file *filp,
+s390dbf_procactive(ctl_table *table, int write,
                      void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	if (!write || debug_stoppable || !debug_active)
-		return proc_dointvec(table, write, filp, buffer, lenp, ppos);
+		return proc_dointvec(table, write, buffer, lenp, ppos);
 	else
 		return 0;
 }
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 413c240..b201135 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -262,7 +262,7 @@
 static struct ctl_table cmm_table[];
 
 static int
-cmm_pages_handler(ctl_table *ctl, int write, struct file *filp,
+cmm_pages_handler(ctl_table *ctl, int write,
 		  void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	char buf[16], *p;
@@ -303,7 +303,7 @@
 }
 
 static int
-cmm_timeout_handler(ctl_table *ctl, int write, struct file *filp,
+cmm_timeout_handler(ctl_table *ctl, int write,
 		    void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	char buf[64], *p;