usbcore: fix incorrect type in assignment in descriptors_changed()

This patch fixes the incorrect assignment of a variable with type 'le16'
to a variable with type 'unsigned int'.
Signed-off-by: NXenia Ragiadakou <burzalodowa@gmail.com>
Reported-by: Nkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/core/hub.c

@@ -4962,10 +4962,10 @@ static int descriptors_changed(struct usb_device *udev,
 	if ((old_bos && !udev->bos) || (!old_bos && udev->bos))
 		return 1;
 	if (udev->bos) {
-		len = udev->bos->desc->wTotalLength;
-		if (len != old_bos->desc->wTotalLength)
+		len = le16_to_cpu(udev->bos->desc->wTotalLength);
+		if (len != le16_to_cpu(old_bos->desc->wTotalLength))
 			return 1;
-		if (memcmp(udev->bos->desc, old_bos->desc, le16_to_cpu(len)))
+		if (memcmp(udev->bos->desc, old_bos->desc, len))
 			return 1;
 	}