189 			     const struct sock *nsk,  in reuseport_array_update_check()  argument
200 	if (nsk->sk_protocol != IPPROTO_UDP && nsk->sk_protocol != IPPROTO_TCP)  in reuseport_array_update_check()
203 	if (nsk->sk_family != AF_INET && nsk->sk_family != AF_INET6)  in reuseport_array_update_check()
206 	if (nsk->sk_type != SOCK_STREAM && nsk->sk_type != SOCK_DGRAM)  in reuseport_array_update_check()
217 	if (!sock_flag(nsk, SOCK_RCU_FREE) || !sk_hashed(nsk) || !nsk_reuse)  in reuseport_array_update_check()
221 	if (READ_ONCE(nsk->sk_user_data))  in reuseport_array_update_check()
236 	struct sock *free_osk = NULL, *osk, *nsk;  in bpf_fd_reuseport_array_update_elem()  local
263 	nsk = socket->sk;  in bpf_fd_reuseport_array_update_elem()
264 	if (!nsk) {  in bpf_fd_reuseport_array_update_elem()
270 	err = reuseport_array_update_check(array, nsk,  in bpf_fd_reuseport_array_update_elem()
272 					   rcu_access_pointer(nsk->sk_reuseport_cb),  in bpf_fd_reuseport_array_update_elem()
283 	write_lock_bh(&nsk->sk_callback_lock);  in bpf_fd_reuseport_array_update_elem()
287 	reuse = rcu_dereference_protected(nsk->sk_reuseport_cb,  in bpf_fd_reuseport_array_update_elem()
289 	err = reuseport_array_update_check(array, nsk, osk, reuse, map_flags);  in bpf_fd_reuseport_array_update_elem()
295 	WRITE_ONCE(nsk->sk_user_data, (void *)sk_user_data);  in bpf_fd_reuseport_array_update_elem()
296 	rcu_assign_pointer(array->ptrs[index], nsk);  in bpf_fd_reuseport_array_update_elem()
301 	write_unlock_bh(&nsk->sk_callback_lock);  in bpf_fd_reuseport_array_update_elem()