#include <linux/types.h>
#include <linux/errno.h>
#include <linux/miscdevice.h>
-#include <linux/slab.h>
#include <linux/fcntl.h>
#include <linux/poll.h>
#include <linux/init.h>
static struct miscdevice jsf_dev = { JSF_MINOR, "jsflash", &jsf_fops };
-static struct block_device_operations jsfd_fops = {
+static const struct block_device_operations jsfd_fops = {
.owner = THIS_MODULE,
};