diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index f1c2ac967e36..364abcf4b6c1 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -173,7 +173,7 @@ static void rt6_uncached_list_flush_dev(struct net *net, struct net_device *dev)
 			struct inet6_dev *rt_idev = rt->rt6i_idev;
 			struct net_device *rt_dev = rt->dst.dev;
 
-			if (rt_idev->dev == dev) {
+			if (rt_idev && rt_idev->dev == dev) {
 				rt->rt6i_idev = in6_dev_get(loopback_dev);
 				in6_dev_put(rt_idev);
 			}