br_hr             561 net/bridge/br_if.c 	unsigned br_hr, dev_hr;
br_hr             641 net/bridge/br_if.c 	br_hr = br->dev->needed_headroom;
br_hr             643 net/bridge/br_if.c 	if (br_hr < dev_hr)
br_hr             646 net/bridge/br_if.c 		netdev_set_rx_headroom(dev, br_hr);