From 5d85b0f7b7ec517232ca060c045ec652a4c6573a Mon Sep 17 00:00:00 2001
From: Gerardo Iglesias Galvan <iglesiasg@gmail.com>
Date: Tue, 31 May 2011 18:35:16 -0500
Subject: [PATCH] Fix potential crash in ip-only address parsing code

---
 src/detect-engine-iponly.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/detect-engine-iponly.c b/src/detect-engine-iponly.c
index 8fad7159e2..209839143e 100644
--- a/src/detect-engine-iponly.c
+++ b/src/detect-engine-iponly.c
@@ -523,8 +523,11 @@ int IPOnlyCIDRListParse(IPOnlyCIDRItem **gh, char *str)
 {
     SCLogDebug("gh %p, str %s", gh, str);
 
+    if (gh == NULL)
+        goto error;
+
     *gh = IPOnlyCIDRListParse2(str, 0);
-    if (gh == NULL) {
+    if (*gh == NULL) {
         SCLogDebug("DetectAddressParse2 returned null");
         goto error;
     }