Reject the packet if data is NULL without doing anything else.

svn path=/trunk/; revision=53735

1 files changed, 5 insertions, 3 deletions

diff --git a/epan/dissectors/packet-btl2cap.c b/epan/dissectors/packet-btl2cap.c
index a22fade5d2..046d5c25fd 100644
--- a/epan/dissectors/packet-btl2cap.c
+++ b/epan/dissectors/packet-btl2cap.c
@@ -1621,6 +1621,11 @@ dissect_btl2cap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
     bthci_acl_data_t *acl_data;
     btl2cap_data_t   *l2cap_data;
 
+    /* Reject the packet if data is NULL */
+    if (data == NULL)
+        return 0;
+    acl_data = (bthci_acl_data_t *) data;
+
     ti = proto_tree_add_item(tree, proto_btl2cap, tvb, offset, -1, ENC_NA);
     btl2cap_tree = proto_item_add_subtree(ti, ett_btl2cap);
 
@@ -1639,9 +1644,6 @@ dissect_btl2cap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
             break;
     }
 
-    acl_data = (bthci_acl_data_t *) data;
-    DISSECTOR_ASSERT(acl_data);
-
     length  = tvb_get_letohs(tvb, offset);
     proto_tree_add_item(btl2cap_tree, hf_btl2cap_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
     offset += 2;