diff --git a/include/net/dst.h b/include/net/dst.h
index 8ea8812b0b41891177b0900dda14397b23c1038b..10f0a83998672598826ff56d65d5aa732667b2ad 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -400,14 +400,12 @@ static inline struct neighbour *dst_neigh_lookup(const struct dst_entry *dst, co
 static inline struct neighbour *dst_neigh_lookup_skb(const struct dst_entry *dst,
 						     struct sk_buff *skb)
 {
-	struct neighbour *n = NULL;
+	struct neighbour *n;
 
-	/* The packets from tunnel devices (eg bareudp) may have only
-	 * metadata in the dst pointer of skb. Hence a pointer check of
-	 * neigh_lookup is needed.
-	 */
-	if (dst->ops->neigh_lookup)
-		n = dst->ops->neigh_lookup(dst, skb, NULL);
+	if (WARN_ON_ONCE(!dst->ops->neigh_lookup))
+		return NULL;
+
+	n = dst->ops->neigh_lookup(dst, skb, NULL);
 
 	return IS_ERR(n) ? NULL : n;
 }
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index f2868a8a50c302d98bf6fbf3b1b13130e13fa05b..47bab701555feaa1fdbeefe049918f377c62d501 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -377,6 +377,8 @@ static int mpls_forward(struct sk_buff *skb, struct net_device *dev,
 	if (!pskb_may_pull(skb, sizeof(*hdr)))
 		goto err;
 
+	skb_dst_drop(skb);
+
 	/* Read and decode the label */
 	hdr = mpls_hdr(skb);
 	dec = mpls_entry_decode(hdr);