From 4e6a4c65f691e2e3c72670d89a1634a903c81d26 Mon Sep 17 00:00:00 2001
From: Eric Leblond <eric@regit.org>
Date: Thu, 6 Sep 2012 11:31:42 +0200
Subject: [PATCH] defrag: be sure to output NULL tracker

Coverity 720337 pointed out a use after free. We can't be dependent
to HashListTableAdd outputting a NULL tracker.
---
 src/defrag.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/defrag.c b/src/defrag.c
index 0e017c677b..a221aa9def 100644
--- a/src/defrag.c
+++ b/src/defrag.c
@@ -1169,6 +1169,7 @@ DefragGetTracker(ThreadVars *tv, DecodeThreadVars *dtv, DefragContext *dc,
             SCMutexLock(&dc->tracker_pool_lock);
             PoolReturn(dc->tracker_pool, tracker);
             SCMutexUnlock(&dc->tracker_pool_lock);
+            tracker = NULL;
             goto done;
         }
     }