diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 939792a38814..be1976536f1c 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -261,7 +261,9 @@ static int __net_init ipmr_rules_init(struct net *net)
 	return 0;
 
 err2:
+	rtnl_lock();
 	ipmr_free_table(mrt);
+	rtnl_unlock();
 err1:
 	fib_rules_unregister(ops);
 	return err;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 06b0d2c329b9..41cb348a7c3c 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -248,7 +248,9 @@ static int __net_init ip6mr_rules_init(struct net *net)
 	return 0;
 
 err2:
+	rtnl_lock();
 	ip6mr_free_table(mrt);
+	rtnl_unlock();
 err1:
 	fib_rules_unregister(ops);
 	return err;