Bugfix in nbns dissector.

Change-Id: I5375a1ae2e48fe0c7ff6e3dde24b8d7b02b1f27f
Reviewed-on: https://code.wireshark.org/review/7251
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/epan/dissectors/packet-nbns.c b/epan/dissectors/packet-nbns.c
index d2b0b0f03d..d8e21a0f9d 100644
--- a/epan/dissectors/packet-nbns.c
+++ b/epan/dissectors/packet-nbns.c
@@ -1257,15 +1257,15 @@ dissect_nbdgm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
                                              tvb, offset, 2, header.dgm_length,
                                              "%u bytes", header.dgm_length);
         }
+        offset += 2;
 
         if (tree) {
-            header.pkt_offset = tvb_get_ntohs(tvb, offset+2);
+            header.pkt_offset = tvb_get_ntohs(tvb, offset);
             proto_tree_add_uint_format_value(nbdgm_tree, hf_nbdgm_packet_offset,
                                              tvb, offset, 2, header.pkt_offset,
                                              "%u bytes", header.pkt_offset);
         }
-
-        offset += 4;
+        offset += 2;
 
         name = (char *)wmem_alloc(wmem_packet_scope(), MAX_NAME_LEN);