ipv6: Handle all fib6_nh in a nexthop in fib6_info_uses_dev

	return -EMSGSIZE;

}

static int fib6_info_nh_uses_dev(struct fib6_nh *nh, void *arg)

{

	const struct net_device *dev = arg;

	if (nh->fib_nh_dev == dev)

		return 1;

	return 0;

}

static bool fib6_info_uses_dev(const struct fib6_info *f6i,

			       const struct net_device *dev)

{

	if (f6i->nh) {

		struct net_device *_dev = (struct net_device *)dev;

		return !!nexthop_for_each_fib6_nh(f6i->nh,

						  fib6_info_nh_uses_dev,

						  _dev);

	}

	if (f6i->fib6_nh->fib_nh_dev == dev)

		return true;