From d35dd1c4ea7f102e7b70b40017a0e1e250dff0cd Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Mon, 28 Dec 2009 13:58:19 +0100
Subject: [PATCH] Improve http cookie htp state checking before using it.

---
 src/detect-http-cookie.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/detect-http-cookie.c b/src/detect-http-cookie.c
index bf1c6ef2cb..c67c5e6621 100644
--- a/src/detect-http-cookie.c
+++ b/src/detect-http-cookie.c
@@ -75,12 +75,13 @@ int DetectHttpCookieMatch (ThreadVars *t, DetectEngineThreadCtx *det_ctx,
         return 0;
     }
 
-    if (htp_state->connp->conn == NULL) {
+    int ret = 0;
+    SCMutexLock(&f->m);
+    if (htp_state->connp == NULL && htp_state->connp->conn == NULL) {
         SCLogDebug("HTTP connection structure is NULL");
         return 0;
     }
-    int ret = 0;
-    SCMutexLock(&f->m);
+
     htp_tx_t *tx = list_get(htp_state->connp->conn->transactions, 0);
 
     if (tx == NULL) {