diff options
Diffstat (limited to 'include/net/addrconf.h')
| -rw-r--r-- | include/net/addrconf.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 378d601258be..8312cc25a3af 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -308,6 +308,20 @@ static inline struct inet6_dev *__in6_dev_get(const struct net_device *dev) } /** + * __in6_dev_get_safely - get inet6_dev pointer from netdevice + * @dev: network device + * + * This is a safer version of __in6_dev_get + */ +static inline struct inet6_dev *__in6_dev_get_safely(const struct net_device *dev) +{ + if (likely(dev)) + return rcu_dereference_rtnl(dev->ip6_ptr); + else + return NULL; +} + +/** * in6_dev_get - get inet6_dev pointer from netdevice * @dev: network device * |