static void unix_copy_addr(struct msghdr *msg, struct sock *sk)
{
	struct unix_address *addr = smp_load_acquire(&unix_sk(sk)->addr);

	if (addr) {
		msg->msg_namelen = addr->len;
		memcpy(msg->msg_name, addr->name, addr->len);
	}
}
static void unix_copy_addr(struct msghdr *msg, struct sock *sk)
{
	struct unix_address *addr = smp_load_acquire(&unix_sk(sk)->addr);

	if (addr) {
		msg->msg_namelen = addr->len;
		memcpy(msg->msg_name, addr->name, addr->len);
	}
}