From a337908c789f5cd4cd9d3c3d3de7ea1ed5b96919 Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Mon, 6 Aug 2018 12:08:20 +0200
Subject: [PATCH] rust/dhcp: free events and destate at tx end

---
 rust/src/dhcp/dhcp.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/rust/src/dhcp/dhcp.rs b/rust/src/dhcp/dhcp.rs
index 835af50f7f..756d1d0d21 100644
--- a/rust/src/dhcp/dhcp.rs
+++ b/rust/src/dhcp/dhcp.rs
@@ -18,6 +18,7 @@
 use applayer;
 use core;
 use core::{ALPROTO_UNKNOWN, AppProto, Flow};
+use core::{sc_detect_engine_state_free, sc_app_layer_decoder_events_free_events};
 use dhcp::parser::*;
 use libc;
 use log::*;
@@ -98,6 +99,25 @@ impl DHCPTransaction {
             events: std::ptr::null_mut(),
         }
     }
+
+    pub fn free(&mut self) {
+        if self.events != std::ptr::null_mut() {
+            sc_app_layer_decoder_events_free_events(&mut self.events);
+        }
+        match self.de_state {
+            Some(state) => {
+                sc_detect_engine_state_free(state);
+            }
+            _ => {}
+        }
+    }
+
+}
+
+impl Drop for DHCPTransaction {
+    fn drop(&mut self) {
+        self.free();
+    }
 }
 
 export_tx_get_detect_state!(rs_dhcp_tx_get_detect_state, DHCPTransaction);
-- 
2.47.2