From 7297899a89d727fcf1894f4e0253f99d94bca9cb Mon Sep 17 00:00:00 2001
From: Fredrik Skold <fredrik.skold@hiq.se>
Date: Tue, 30 Jun 2020 13:33:45 +0200
Subject: [PATCH] Make mbus_parse_variable_record forward error #169

Update mbus_parse_variable_record so it return NULL if
mbus_parse_variable_record return NULL.
This makes the program mbus_parse_hex exit with non zero exitcode.
---
 mbus/mbus-protocol-aux.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mbus/mbus-protocol-aux.c b/mbus/mbus-protocol-aux.c
index 5ddba9fb..82219b17 100755
--- a/mbus/mbus-protocol-aux.c
+++ b/mbus/mbus-protocol-aux.c
@@ -1455,6 +1455,8 @@ mbus_data_variable_xml_normalized(mbus_data_variable *data)
             }
             else
             {
+                free(buff);
+                return NULL;
             }
 
             len += snprintf(&buff[len], buff_size - len, "    </DataRecord>\n\n");