usb: misc: yurex: remove useless casting of private_data

index 1472805..c3a45da 100644
@@ -358,7 +358,7 @@ static int yurex_fasync(int fd, struct file *file, int on)
 {
 	struct usb_yurex *dev;
 
-	dev = (struct usb_yurex *)file->private_data;
+	dev = file->private_data;
 	return fasync_helper(fd, file, on, &dev->async_queue);
 }
 

@@ -401,7 +401,7 @@ static int yurex_release(struct inode *inode, struct file *file)
 {
 	struct usb_yurex *dev;
 
-	dev = (struct usb_yurex *)file->private_data;
+	dev = file->private_data;
 	if (dev == NULL)
 		return -ENODEV;
 

@@ -418,7 +418,7 @@ static ssize_t yurex_read(struct file *file, char *buffer, size_t count, loff_t
 	char in_buffer[20];
 	unsigned long flags;
 
-	dev = (struct usb_yurex *)file->private_data;
+	dev = file->private_data;
 
 	mutex_lock(&dev->io_mutex);
 	if (!dev->interface) {		/* already disconnected */

@@ -455,7 +455,7 @@ static ssize_t yurex_write(struct file *file, const char *user_buffer, size_t co
 	DEFINE_WAIT(wait);
 
 	count = min(sizeof(buffer), count);
-	dev = (struct usb_yurex *)file->private_data;
+	dev = file->private_data;
 
 	/* verify that we actually have some data to write */
 	if (count == 0)