1 files changed, 6 insertions, 0 deletions

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 59eda6952bc9..9e9f1419be60 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4221,6 +4221,12 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
                 return err;
         }
 
+        doit = READ_ONCE(handlers[type].doit);
+        if (!doit) {
+                family = PF_UNSPEC;
+                handlers = rcu_dereference(rtnl_msg_handlers[family]);
+        }
+
         flags = READ_ONCE(handlers[type].flags);
         if (flags & RTNL_FLAG_DOIT_UNLOCKED) {
                 refcount_inc(&rtnl_msg_handlers_ref[family]);