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/frv/kernel/pm.c b/arch/frv/kernel/pm.c
index be722fc..0d4d3e3 100644
--- a/arch/frv/kernel/pm.c
+++ b/arch/frv/kernel/pm.c
@@ -150,7 +150,7 @@
 /*
  * Send us to sleep.
  */
-static int sysctl_pm_do_suspend(ctl_table *ctl, int write, struct file *filp,
+static int sysctl_pm_do_suspend(ctl_table *ctl, int write,
 				void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int retval, mode;
@@ -198,13 +198,13 @@
 }
 
 
-static int cmode_procctl(ctl_table *ctl, int write, struct file *filp,
+static int cmode_procctl(ctl_table *ctl, int write,
 			 void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int new_cmode;
 
 	if (!write)
-		return proc_dointvec(ctl, write, filp, buffer, lenp, fpos);
+		return proc_dointvec(ctl, write, buffer, lenp, fpos);
 
 	new_cmode = user_atoi(buffer, *lenp);
 
@@ -301,13 +301,13 @@
 	return 0;
 }
 
-static int p0_procctl(ctl_table *ctl, int write, struct file *filp,
+static int p0_procctl(ctl_table *ctl, int write,
 		      void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int new_p0;
 
 	if (!write)
-		return proc_dointvec(ctl, write, filp, buffer, lenp, fpos);
+		return proc_dointvec(ctl, write, buffer, lenp, fpos);
 
 	new_p0 = user_atoi(buffer, *lenp);
 
@@ -345,13 +345,13 @@
 	return 1;
 }
 
-static int cm_procctl(ctl_table *ctl, int write, struct file *filp,
+static int cm_procctl(ctl_table *ctl, int write,
 		      void __user *buffer, size_t *lenp, loff_t *fpos)
 {
 	int new_cm;
 
 	if (!write)
-		return proc_dointvec(ctl, write, filp, buffer, lenp, fpos);
+		return proc_dointvec(ctl, write, buffer, lenp, fpos);
 
 	new_cm = user_atoi(buffer, *lenp);