From 2d252ae5957d5ddd43934822300c235ff154b4b6 Mon Sep 17 00:00:00 2001
From: Max Bruckner <max@maxbruckner.de>
Date: Wed, 28 Jun 2017 16:00:14 +0200
Subject: [PATCH] handle null pointer: compose_patch

---
 cJSON_Utils.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cJSON_Utils.c b/cJSON_Utils.c
index 3e317ae..e13b903 100644
--- a/cJSON_Utils.c
+++ b/cJSON_Utils.c
@@ -1043,7 +1043,14 @@ CJSON_PUBLIC(int) cJSONUtils_ApplyPatchesCaseSensitive(cJSON * const object, con
 
 static void compose_patch(cJSON * const patches, const unsigned char * const operation, const unsigned char * const path, const unsigned char *suffix, const cJSON * const value)
 {
-    cJSON *patch = cJSON_CreateObject();
+    cJSON *patch = NULL;
+
+    if ((patches == NULL) || (operation == NULL) || (path == NULL))
+    {
+        return;
+    }
+
+    patch = cJSON_CreateObject();
     if (patch == NULL)
     {
         return;