vpn: Add check for properly initialized driver_hash

diff --git a/plugins/vpn.c b/plugins/vpn.c
index 9f49f32..a6ac5b9 100644 (file)
--- a/plugins/vpn.c
+++ b/plugins/vpn.c
@@ -484,10 +484,15 @@ int vpn_register(const char *name, struct vpn_driver *vpn_driver,
        data->provider_driver.remove = vpn_remove;
        data->provider_driver.save = vpn_save;
 
-       if (driver_hash == NULL) {
+       if (driver_hash == NULL)
                driver_hash = g_hash_table_new_full(g_str_hash,
                                                        g_str_equal,
                                                        NULL, g_free);
+
+       if (driver_hash == NULL) {
+               connman_error("driver_hash not initialized for %s", name);
+               g_free(data);
+               return -ENOMEM;
        }
 
        g_hash_table_insert(driver_hash, (char *)name, data);