From eca1a8d73a6a42a2ed4eede4349c386dce9a151e Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Wed, 25 Sep 2013 10:21:17 +0200
Subject: [PATCH] profiling: don't alloc 0 bytes block if no rules are used

---
 src/util-profiling-rules.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util-profiling-rules.c b/src/util-profiling-rules.c
index 570805f22a..c3e6c0a235 100644
--- a/src/util-profiling-rules.c
+++ b/src/util-profiling-rules.c
@@ -477,7 +477,7 @@ void SCProfilingRuleDestroyCtx(SCProfileDetectCtx *ctx) {
 }
 
 void SCProfilingRuleThreadSetup(SCProfileDetectCtx *ctx, DetectEngineThreadCtx *det_ctx) {
-    if (ctx == NULL)
+    if (ctx == NULL|| ctx->size == 0)
         return;
 
     SCProfileData *a = SCMalloc(sizeof(SCProfileData) * ctx->size);