1 files changed, 10 insertions, 9 deletions

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index c44e98f6099e..5580c6e59bae 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1726,20 +1726,21 @@ static struct class *usb_classdev_class;
 
 static int usb_classdev_add(struct usb_device *dev)
 {
-        int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1);
-
-        dev->usb_classdev = device_create(usb_classdev_class, &dev->dev,
-                                MKDEV(USB_DEVICE_MAJOR, minor),
-                                "usbdev%d.%d", dev->bus->busnum, dev->devnum);
-        if (IS_ERR(dev->usb_classdev))
-                return PTR_ERR(dev->usb_classdev);
-
+        struct device *cldev;
+
+        cldev = device_create(usb_classdev_class, &dev->dev, dev->dev.devt,
+                              "usbdev%d.%d", dev->bus->busnum,
+                              dev->devnum);
+        if (IS_ERR(cldev))
+                return PTR_ERR(cldev);
+        dev->usb_classdev = cldev;
         return 0;
 }
 
 static void usb_classdev_remove(struct usb_device *dev)
 {
-        device_unregister(dev->usb_classdev);
+        if (dev->usb_classdev)
+                device_unregister(dev->usb_classdev);
         usb_fs_classdev_common_remove(dev);
 }