diff --git a/[refs] b/[refs]
index f7d594835ee2..44d0d1c2d32a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6e5928f6dfd92a47c489bb735c4cb8bbb62038e0
+refs/heads/master: d4787a15432384826a0bed42d189fc2a97dc73ea
diff --git a/trunk/net/ieee802154/6lowpan.c b/trunk/net/ieee802154/6lowpan.c
index 6871ec1b30f8..416a54d31fb2 100644
--- a/trunk/net/ieee802154/6lowpan.c
+++ b/trunk/net/ieee802154/6lowpan.c
@@ -314,6 +314,9 @@ lowpan_uncompress_udp_header(struct sk_buff *skb)
 	struct udphdr *uh = udp_hdr(skb);
 	u8 tmp;
 
+	if (!uh)
+		goto err;
+
 	if (lowpan_fetch_skb_u8(skb, &tmp))
 		goto err;