diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 98320165e595..97f67b226630 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -394,6 +394,14 @@ static inline void in6_dev_hold(struct inet6_dev *idev)
 	refcount_inc(&idev->refcnt);
 }
 
+/* called with rcu_read_lock held */
+static inline bool ip6_ignore_linkdown(const struct net_device *dev)
+{
+	const struct inet6_dev *idev = __in6_dev_get(dev);
+
+	return !!idev->cnf.ignore_routes_with_linkdown;
+}
+
 void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp);
 
 static inline void in6_ifa_put(struct inet6_ifaddr *ifp)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c9538d0ca11f..a49be67b893f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -650,21 +650,6 @@ static int rt6_score_route(struct fib6_info *rt, int oif, int strict)
 	return m;
 }
 
-/* called with rc_read_lock held */
-static inline bool fib6_ignore_linkdown(const struct fib6_info *f6i)
-{
-	const struct net_device *dev = fib6_info_nh_dev(f6i);
-	bool rc = false;
-
-	if (dev) {
-		const struct inet6_dev *idev = __in6_dev_get(dev);
-
-		rc = !!idev->cnf.ignore_routes_with_linkdown;
-	}
-
-	return rc;
-}
-
 static struct fib6_info *find_match(struct fib6_info *rt, int oif, int strict,
 				   int *mpri, struct fib6_info *match,
 				   bool *do_rr)
@@ -675,7 +660,7 @@ static struct fib6_info *find_match(struct fib6_info *rt, int oif, int strict,
 	if (rt->fib6_nh.nh_flags & RTNH_F_DEAD)
 		goto out;
 
-	if (fib6_ignore_linkdown(rt) &&
+	if (ip6_ignore_linkdown(rt->fib6_nh.nh_dev) &&
 	    rt->fib6_nh.nh_flags & RTNH_F_LINKDOWN &&
 	    !(strict & RT6_LOOKUP_F_IGNORE_LINKSTATE))
 		goto out;
@@ -3946,7 +3931,7 @@ static bool rt6_is_dead(const struct fib6_info *rt)
 {
 	if (rt->fib6_nh.nh_flags & RTNH_F_DEAD ||
 	    (rt->fib6_nh.nh_flags & RTNH_F_LINKDOWN &&
-	     fib6_ignore_linkdown(rt)))
+	     ip6_ignore_linkdown(rt->fib6_nh.nh_dev)))
 		return true;
 
 	return false;
@@ -4704,7 +4689,7 @@ static int rt6_nexthop_info(struct sk_buff *skb, struct fib6_info *rt,
 		*flags |= RTNH_F_LINKDOWN;
 
 		rcu_read_lock();
-		if (fib6_ignore_linkdown(rt))
+		if (ip6_ignore_linkdown(rt->fib6_nh.nh_dev))
 			*flags |= RTNH_F_DEAD;
 		rcu_read_unlock();
 	}