tools: Fixed double-free error possibility into iptables-test

diff --git a/tools/iptables-test.c b/tools/iptables-test.c
index c3cf671..35c6300 100644 (file)
--- a/tools/iptables-test.c
+++ b/tools/iptables-test.c
@@ -1149,6 +1149,7 @@ static struct connman_iptables *connman_iptables_init(const char *table_name)
                goto err;
 
        g_free(module);
+       module = NULL;
 
        table =  g_try_new0(struct connman_iptables, 1);
        if (table == NULL)