diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 71abf4cc6a32..cda93578a41b 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -368,8 +368,8 @@ static inline struct inet6_dev *in6_dev_get(const struct net_device *dev) rcu_read_lock(); idev = rcu_dereference(dev->ip6_ptr); - if (idev) - refcount_inc(&idev->refcnt); + if (idev && !refcount_inc_not_zero(&idev->refcnt)) + idev = NULL; rcu_read_unlock(); return idev; }