6lowpan: next header is not properly set upon decompression of a UDP header.

This causes a drop of the UDP packet.

Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 43b95ca61114..9f53904b5261 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -918,9 +918,11 @@ lowpan_process_data(struct sk_buff *skb)
         }
 
         /* UDP data uncompression */
-        if (iphc0 & LOWPAN_IPHC_NH_C)
+        if (iphc0 & LOWPAN_IPHC_NH_C) {
                 if (lowpan_uncompress_udp_header(skb))
                         goto drop;
+                hdr.nexthdr = UIP_PROTO_UDP;
+        }
 
         /* Not fragmented package */
         hdr.payload_len = htons(skb->len);