provider: Handle empty D-Bus message

diff --git a/src/provider.c b/src/provider.c
index 1ff6bc4..5bea4c5 100644 (file)
--- a/src/provider.c
+++ b/src/provider.c
@@ -555,6 +555,9 @@ int __connman_provider_create_and_connect(DBusMessage *msg)
        int err;
 
        dbus_message_iter_init(msg, &iter);
+       if (dbus_message_iter_has_next(&iter) == FALSE)
+               return -EINVAL;
+
        dbus_message_iter_recurse(&iter, &array);
 
        while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) {