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-rw-r--r--include/net/addrconf.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 0f7c37825fc..45375b41a2a 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -177,7 +177,9 @@ extern int unregister_inet6addr_notifier(struct notifier_block *nb);
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 *