#include <linux/init.h>
#include <linux/fs.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/major.h>
#include <linux/string.h>
},
};
-static struct file_operations changer_fops =
+static const struct file_operations changer_fops =
{
.owner = THIS_MODULE,
.open = ch_open,