From adc453eec6e61db7520bb3fe0dd8ad4a249486a6 Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Fri, 25 Mar 2016 12:48:08 +0100
Subject: [PATCH] detect-port: improve comment about sgh pointer

---
 src/detect.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/detect.h b/src/detect.h
index 663fbc2b0b..6abd893794 100644
--- a/src/detect.h
+++ b/src/detect.h
@@ -229,7 +229,11 @@ typedef struct DetectPort_ {
 
     uint8_t flags;  /**< flags for this port */
 
-    /* signatures that belong in this group */
+    /* signatures that belong in this group
+     *
+     * If the PORT_SIGGROUPHEAD_COPY flag is set, we don't own this pointer
+     * (memory is freed elsewhere).
+     */
     struct SigGroupHead_ *sh;
 
     struct DetectPort_ *prev;