#include <sound/core.h>
#include <linux/major.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/time.h>
* Register functions
*/
-static struct file_operations snd_rawmidi_f_ops =
+static const struct file_operations snd_rawmidi_f_ops =
{
.owner = THIS_MODULE,
.read = snd_rawmidi_read,