netdev_get_by_index_lock
struct net_device *netdev_get_by_index_lock(struct net *net, int ifindex);
ifq->netdev = netdev_get_by_index_lock(current->nsproxy->net_ns, reg.if_idx);
netdev = netdev_get_by_index_lock(genl_info_net(info), ifindex);
netdev = netdev_get_by_index_lock(genl_info_net(info), ifindex);
netdev = netdev_get_by_index_lock(net, ifindex);
netdev = netdev_get_by_index_lock(genl_info_net(info), ifindex);
dev = netdev_get_by_index_lock(ns, ifindex);