netdev_is_rx_handler_busy
if (netdev_is_rx_handler_busy(slave_dev)) {
if (netdev_is_rx_handler_busy(phy_dev)) {
if (netdev_is_rx_handler_busy(dev))
bool netdev_is_rx_handler_busy(struct net_device *dev);
EXPORT_SYMBOL_GPL(netdev_is_rx_handler_busy);
if (netdev_is_rx_handler_busy(dev))