null_features    2810 net/core/dev.c 	static const netdev_features_t null_features;
null_features    2825 net/core/dev.c 	     name, dev ? &dev->features : &null_features,
null_features    2826 net/core/dev.c 	     skb->sk ? &skb->sk->sk_route_caps : &null_features);