192 			     const struct sock *nsk,  in reuseport_array_update_check()  argument
203 	if (nsk->sk_protocol != IPPROTO_UDP && nsk->sk_protocol != IPPROTO_TCP)  in reuseport_array_update_check()
206 	if (nsk->sk_family != AF_INET && nsk->sk_family != AF_INET6)  in reuseport_array_update_check()
209 	if (nsk->sk_type != SOCK_STREAM && nsk->sk_type != SOCK_DGRAM)  in reuseport_array_update_check()
220 	if (!sock_flag(nsk, SOCK_RCU_FREE) || !sk_hashed(nsk) || !nsk_reuse)  in reuseport_array_update_check()
224 	if (READ_ONCE(nsk->sk_user_data))  in reuseport_array_update_check()
239 	struct sock *free_osk = NULL, *osk, *nsk;  in bpf_fd_reuseport_array_update_elem()  local
266 	nsk = socket->sk;  in bpf_fd_reuseport_array_update_elem()
267 	if (!nsk) {  in bpf_fd_reuseport_array_update_elem()
273 	err = reuseport_array_update_check(array, nsk,  in bpf_fd_reuseport_array_update_elem()
275 					   rcu_access_pointer(nsk->sk_reuseport_cb),  in bpf_fd_reuseport_array_update_elem()
286 	write_lock_bh(&nsk->sk_callback_lock);  in bpf_fd_reuseport_array_update_elem()
290 	reuse = rcu_dereference_protected(nsk->sk_reuseport_cb,  in bpf_fd_reuseport_array_update_elem()
292 	err = reuseport_array_update_check(array, nsk, osk, reuse, map_flags);  in bpf_fd_reuseport_array_update_elem()
298 	WRITE_ONCE(nsk->sk_user_data, (void *)sk_user_data);  in bpf_fd_reuseport_array_update_elem()
299 	rcu_assign_pointer(array->ptrs[index], nsk);  in bpf_fd_reuseport_array_update_elem()
304 	write_unlock_bh(&nsk->sk_callback_lock);  in bpf_fd_reuseport_array_update_elem()