/*
  * file operations structure will be use heci char device.
  */
-static struct file_operations heci_fops = {
+static const struct file_operations heci_fops = {
        .owner = THIS_MODULE,
        .read = heci_read,
        .ioctl = heci_ioctl,
  * returns 0 on success, <0 on failure.
  */
 static int heci_registration_cdev(struct cdev *dev, int hminor,
-                                 struct file_operations *fops)
+                                 const struct file_operations *fops)
 {
        int ret, devno = MKDEV(heci_major, hminor);
 
                struct file *file, struct list_head *heci_cb_list)
 {
        struct heci_cb_private *priv_cb_pos = NULL;
-       struct heci_cb_private*priv_cb_next = NULL;
+       struct heci_cb_private *priv_cb_next = NULL;
        struct file *file_temp;
        int rets = 0;
 
                }
 
                if (heci_clear_lists(dev, file))
-                   dev->iamthif_state = HECI_IAMTHIF_IDLE;
+                       dev->iamthif_state = HECI_IAMTHIF_IDLE;
 
                spin_unlock_bh(&dev->device_lock);
        }