1 files changed, 5 insertions, 38 deletions

diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
index 32d6fc95390..b4a71679c93 100644
--- a/drivers/usb/usb-skeleton.c
+++ b/drivers/usb/usb-skeleton.c
@@ -60,7 +60,6 @@ struct usb_skel {
 	__u8			bulk_in_endpointAddr;	/* the address of the bulk in endpoint */
 	__u8			bulk_out_endpointAddr;	/* the address of the bulk out endpoint */
 	int			errors;			/* the last request tanked */
-	int			open_count;		/* count the number of openers */
 	bool			ongoing_read;		/* a read is going on */
 	bool			processed_urb;		/* indicates we haven't processed the urb */
 	spinlock_t		err_lock;		/* lock for errors */
@@ -113,22 +112,9 @@ static int skel_open(struct inode *inode, struct file *file)
 	 * in resumption */
 	mutex_lock(&dev->io_mutex);
 
-	if (!dev->open_count++) {
-		retval = usb_autopm_get_interface(interface);
-			if (retval) {
-				dev->open_count--;
-				mutex_unlock(&dev->io_mutex);
-				kref_put(&dev->kref, skel_delete);
-				goto exit;
-			}
-	} /* else { //uncomment this block if you want exclusive open
-		retval = -EBUSY;
-		dev->open_count--;
-		mutex_unlock(&dev->io_mutex);
-		kref_put(&dev->kref, skel_delete);
-		goto exit;
-	} */
-	/* prevent the device from being autosuspended */
+	retval = usb_autopm_get_interface(interface);
+	if (retval)
+		goto out_err;
 
 	/* save our object in the file's private structure */
 	file->private_data = dev;
@@ -148,7 +134,7 @@ static int skel_release(struct inode *inode, struct file *file)
 
 	/* allow the device to be autosuspended */
 	mutex_lock(&dev->io_mutex);
-	if (!--dev->open_count && dev->interface)
+	if (dev->interface)
 		usb_autopm_put_interface(dev->interface);
 	mutex_unlock(&dev->io_mutex);
 
@@ -688,25 +674,6 @@ static struct usb_driver skel_driver = {
 	.supports_autosuspend = 1,
 };
 
-static int __init usb_skel_init(void)
-{
-	int result;
-
-	/* register this driver with the USB subsystem */
-	result = usb_register(&skel_driver);
-	if (result)
-		err("usb_register failed. Error number %d", result);
-
-	return result;
-}
-
-static void __exit usb_skel_exit(void)
-{
-	/* deregister this driver with the USB subsystem */
-	usb_deregister(&skel_driver);
-}
-
-module_init(usb_skel_init);
-module_exit(usb_skel_exit);
+module_usb_driver(skel_driver);
 
 MODULE_LICENSE("GPL");