#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <net/sock.h>
#include <linux/net.h>
#include <linux/kthread.h>
return error;
}
-static struct block_device_operations nbd_fops =
+static const struct block_device_operations nbd_fops =
{
.owner = THIS_MODULE,
.locked_ioctl = nbd_ioctl,