#include <linux/ctype.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
-#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
return 0;
}
-static struct tty_operations info_ops = {
+static const struct tty_operations info_ops = {
.open = info_open,
.ioctl = info_ioctl,
};