8d65af78 "sysctl: remove "struct file *" argument of ->proc_handler"
removed the struct file argument from all proc_handlers but didn't
change the call home proc handler (or call home was merged later).
So fix this now.
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Hans-Joachim Picht <hans@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
 
        .priority = INT_MAX,
 };
 
-static int proc_handler_callhome(ctl_table *ctl, int write, struct file *filp,
+static int proc_handler_callhome(struct ctl_table *ctl, int write,
                                 void __user *buffer, size_t *count,
                                 loff_t *ppos)
 {
        {
                .procname       = "callhome",
                .mode           = 0644,
-               .proc_handler   = &proc_handler_callhome,
+               .proc_handler   = proc_handler_callhome,
        },
        { .ctl_name = 0 }
 };