diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 796df9efca7d77122ad08ebb78fc3d44bbdc7c7e..c677a6af1063728262c66c7aa89de4d81ee0b19d 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -243,6 +243,7 @@ static inline void iowarrior_delete(struct iowarrior *dev)
 	kfree(dev->int_in_buffer);
 	usb_free_urb(dev->int_in_urb);
 	kfree(dev->read_queue);
+	usb_put_intf(dev->interface);
 	kfree(dev);
 }
 
@@ -764,7 +765,7 @@ static int iowarrior_probe(struct usb_interface *interface,
 	init_waitqueue_head(&dev->write_wait);
 
 	dev->udev = udev;
-	dev->interface = interface;
+	dev->interface = usb_get_intf(interface);
 
 	iface_desc = interface->cur_altsetting;
 	dev->product_id = le16_to_cpu(udev->descriptor.idProduct);