extern int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr);
extern void ipv6_mc_up(struct inet6_dev *idev);
extern void ipv6_mc_down(struct inet6_dev *idev);
+extern void ipv6_mc_unmap(struct inet6_dev *idev);
+extern void ipv6_mc_remap(struct inet6_dev *idev);
extern void ipv6_mc_init_dev(struct inet6_dev *idev);
extern void ipv6_mc_destroy_dev(struct inet6_dev *idev);
extern void addrconf_dad_failure(struct inet6_ifaddr *ifp);
static inline struct inet6_dev *
__in6_dev_get(struct net_device *dev)
{
- return rcu_dereference(dev->ip6_ptr);
+ return rcu_dereference_check(dev->ip6_ptr,
+ rcu_read_lock_held() ||
+ lockdep_rtnl_is_held());
}
static inline struct inet6_dev *