From 6a388bbf278c4da8b75e647cb554236ca03fcd1e Mon Sep 17 00:00:00 2001
From: jake <jake@f5534014-38df-0310-8fa8-9805f1628bb7>
Date: Fri, 27 May 2011 07:02:26 +0000
Subject: [PATCH] From Colin O'Flynn: Avoid processing tvb when fragment
 dissection didn't create one.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@37426 f5534014-38df-0310-8fa8-9805f1628bb7
---
 epan/dissectors/packet-6lowpan.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/epan/dissectors/packet-6lowpan.c b/epan/dissectors/packet-6lowpan.c
index 031dcfb93f..76a9757005 100644
--- a/epan/dissectors/packet-6lowpan.c
+++ b/epan/dissectors/packet-6lowpan.c
@@ -2035,6 +2035,11 @@ dissect_6lowpan_frag_first(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
         return NULL;
     }
 
+    /* Check call to dissect_6lowpan_xxx was successful */
+    if (frag_tvb == NULL) {
+        return NULL;
+    }
+
     /* Add this datagram to the fragment table. */
     frag_size = tvb_length(frag_tvb);
     tvb_set_reported_length(frag_tvb, frag_size);
-- 
2.34.1