static int get_entries(struct net *net, struct arpt_get_entries __user *uptr,
		       const int *len)
{
	int ret;
	struct arpt_get_entries get;
	struct xt_table *t;

	if (*len < sizeof(get)) {
		duprintf("get_entries: %u < %Zu\n", *len, sizeof(get));
		return -EINVAL;
	}
	if (copy_from_user(&get, uptr, sizeof(get)) != 0)
		return -EFAULT;
	if (*len != sizeof(struct arpt_get_entries) + get.size) {
		duprintf("get_entries: %u != %Zu\n", *len,
			 sizeof(struct arpt_get_entries) + get.size);
		return -EINVAL;
	}
	get.name[sizeof(get.name) - 1] = '\0';

	t = xt_find_table_lock(net, NFPROTO_ARP, get.name);
	if (!IS_ERR_OR_NULL(t)) {
		const struct xt_table_info *private = t->private;

		duprintf("t->private->number = %u\n",
			 private->number);
		if (get.size == private->size)
			ret = copy_entries_to_user(private->size,
						   t, uptr->entrytable);
		else {
			duprintf("get_entries: I've got %u not %u!\n",
				 private->size, get.size);
			ret = -EAGAIN;
		}
		module_put(t->me);
		xt_table_unlock(t);
	} else
		ret = t ? PTR_ERR(t) : -ENOENT;

	return ret;
}
static int get_entries(struct net *net, struct arpt_get_entries __user *uptr,
		       const int *len)
{
	int ret;
	struct arpt_get_entries get;
	struct xt_table *t;

	if (*len < sizeof(get)) {
		duprintf("get_entries: %u < %Zu\n", *len, sizeof(get));
		return -EINVAL;
	}
	if (copy_from_user(&get, uptr, sizeof(get)) != 0)
		return -EFAULT;
	if (*len != sizeof(struct arpt_get_entries) + get.size) {
		duprintf("get_entries: %u != %Zu\n", *len,
			 sizeof(struct arpt_get_entries) + get.size);
		return -EINVAL;
	}
	get.name[sizeof(get.name) - 1] = '\0';

	t = xt_find_table_lock(net, NFPROTO_ARP, get.name);
	if (!IS_ERR_OR_NULL(t)) {
		const struct xt_table_info *private = t->private;

		duprintf("t->private->number = %u\n",
			 private->number);
		if (get.size == private->size)
			ret = copy_entries_to_user(private->size,
						   t, uptr->entrytable);
		else {
			duprintf("get_entries: I've got %u not %u!\n",
				 private->size, get.size);
			ret = -EAGAIN;
		}
		module_put(t->me);
		xt_table_unlock(t);
	} else
		ret = t ? PTR_ERR(t) : -ENOENT;

	return ret;
}