-int kaweth_internal_control_msg(struct usb_device *usb_dev, unsigned int pipe,
- struct usb_ctrlrequest *cmd, void *data, int len,
- int timeout)
+static int kaweth_internal_control_msg(struct usb_device *usb_dev,
+ unsigned int pipe,
+ struct usb_ctrlrequest *cmd, void *data,
+ int len, int timeout)