usb_hub_release_port 2327 drivers/usb/core/devio.c return usb_hub_release_port(ps->dev, portnum, ps); usb_hub_release_port 1975 drivers/usb/core/hub.c EXPORT_SYMBOL_GPL(usb_hub_release_port); usb_hub_release_port 428 drivers/usb/usbip/stub_dev.c rc = usb_hub_release_port(udev->parent, udev->portnum, usb_hub_release_port 883 include/linux/usb.h int usb_hub_release_port(struct usb_device *hdev, unsigned port1,