Witness: fix notify change

diff --git a/epan/dissectors/packet-dcerpc-witness-cnf.c b/epan/dissectors/packet-dcerpc-witness-cnf.c
index edaf175713d4113a6742ef18cf1098cabd305e46..f89a410db008f05986788106eb0ea096198f54d4 100644 (file)
--- a/epan/dissectors/packet-dcerpc-witness-cnf.c
+++ b/epan/dissectors/packet-dcerpc-witness-cnf.c
@@ -91,6 +91,7 @@ static int witness_dissect_resource_change(tvbuff_t *tvb, int offset, packet_inf
 {
        guint32 length, type;
        char *name;
+       const int old_offset = offset;
 
        proto_item *ti = proto_tree_add_text(tree, tvb, offset, -1, "Change");
        proto_tree *tr = proto_item_add_subtree(ti, ett_message_buffer);
@@ -103,14 +104,16 @@ static int witness_dissect_resource_change(tvbuff_t *tvb, int offset, packet_inf
        proto_tree_add_item(tr, hf_witness_change_type, tvb, offset, 4, ENC_LITTLE_ENDIAN);
        offset += 4;
 
-       name = tvb_get_ephemeral_unicode_string(tvb, offset, length, ENC_LITTLE_ENDIAN);
-       proto_tree_add_string(tr, hf_witness_change_name, tvb, offset, length, name);
+       name = tvb_get_ephemeral_unicode_string(tvb, offset, length-8, ENC_LITTLE_ENDIAN);
+       proto_tree_add_string(tr, hf_witness_change_name, tvb, offset, length-8, name);
 
        proto_item_append_text(ti, ": %s -> %s", name,
                               val_to_str(type, witness_change_type_vals,
                                          "Invalid (0x04%x)"));
 
-       return offset;
+       proto_item_set_len(ti, length);
+
+       return old_offset + length;
 }
 
 static int