1398 static void sk_update_clone(const struct sock *sk, struct sock *newsk)  in sk_update_clone()  argument
1401 		sock_update_memcg(newsk);  in sk_update_clone()
1413 	struct sock *newsk;  in sk_clone_lock()  local
1415 	newsk = sk_prot_alloc(sk->sk_prot, priority, sk->sk_family);  in sk_clone_lock()
1416 	if (newsk != NULL) {  in sk_clone_lock()
1419 		sock_copy(newsk, sk);  in sk_clone_lock()
1422 		get_net(sock_net(newsk));  in sk_clone_lock()
1423 		sk_node_init(&newsk->sk_node);  in sk_clone_lock()
1424 		sock_lock_init(newsk);  in sk_clone_lock()
1425 		bh_lock_sock(newsk);  in sk_clone_lock()
1426 		newsk->sk_backlog.head	= newsk->sk_backlog.tail = NULL;  in sk_clone_lock()
1427 		newsk->sk_backlog.len = 0;  in sk_clone_lock()
1429 		atomic_set(&newsk->sk_rmem_alloc, 0);  in sk_clone_lock()
1433 		atomic_set(&newsk->sk_wmem_alloc, 1);  in sk_clone_lock()
1434 		atomic_set(&newsk->sk_omem_alloc, 0);  in sk_clone_lock()
1435 		skb_queue_head_init(&newsk->sk_receive_queue);  in sk_clone_lock()
1436 		skb_queue_head_init(&newsk->sk_write_queue);  in sk_clone_lock()
1438 		skb_queue_head_init(&newsk->sk_async_wait_queue);  in sk_clone_lock()
1441 		spin_lock_init(&newsk->sk_dst_lock);  in sk_clone_lock()
1442 		rwlock_init(&newsk->sk_callback_lock);  in sk_clone_lock()
1443 		lockdep_set_class_and_name(&newsk->sk_callback_lock,  in sk_clone_lock()
1444 				af_callback_keys + newsk->sk_family,  in sk_clone_lock()
1445 				af_family_clock_key_strings[newsk->sk_family]);  in sk_clone_lock()
1447 		newsk->sk_dst_cache	= NULL;  in sk_clone_lock()
1448 		newsk->sk_wmem_queued	= 0;  in sk_clone_lock()
1449 		newsk->sk_forward_alloc = 0;  in sk_clone_lock()
1450 		newsk->sk_send_head	= NULL;  in sk_clone_lock()
1451 		newsk->sk_userlocks	= sk->sk_userlocks & ~SOCK_BINDPORT_LOCK;  in sk_clone_lock()
1453 		sock_reset_flag(newsk, SOCK_DONE);  in sk_clone_lock()
1454 		skb_queue_head_init(&newsk->sk_error_queue);  in sk_clone_lock()
1456 		filter = rcu_dereference_protected(newsk->sk_filter, 1);  in sk_clone_lock()
1458 			sk_filter_charge(newsk, filter);  in sk_clone_lock()
1460 		if (unlikely(xfrm_sk_clone_policy(newsk))) {  in sk_clone_lock()
1463 			newsk->sk_destruct = NULL;  in sk_clone_lock()
1464 			bh_unlock_sock(newsk);  in sk_clone_lock()
1465 			sk_free(newsk);  in sk_clone_lock()
1466 			newsk = NULL;  in sk_clone_lock()
1470 		newsk->sk_err	   = 0;  in sk_clone_lock()
1471 		newsk->sk_priority = 0;  in sk_clone_lock()
1477 		atomic_set(&newsk->sk_refcnt, 2);  in sk_clone_lock()
1490 		sk_refcnt_debug_inc(newsk);  in sk_clone_lock()
1491 		sk_set_socket(newsk, NULL);  in sk_clone_lock()
1492 		newsk->sk_wq = NULL;  in sk_clone_lock()
1494 		sk_update_clone(sk, newsk);  in sk_clone_lock()
1496 		if (newsk->sk_prot->sockets_allocated)  in sk_clone_lock()
1497 			sk_sockets_allocated_inc(newsk);  in sk_clone_lock()
1499 		if (newsk->sk_flags & SK_FLAGS_TIMESTAMP)  in sk_clone_lock()
1503 	return newsk;  in sk_clone_lock()