updown: Return an empty DNS server enumerator if no IKE_SA available

The one existing caller does not handle a NULL return and always expects
an enumerator; and returning FALSE does not make sense anyway.

diff --git a/src/libcharon/plugins/updown/updown_handler.c b/src/libcharon/plugins/updown/updown_handler.c
index 3a644380a271c3c306cc13f3f8da278192b157a5..0894d2d0747f5e6ee3aa8378b4d95071843079c0 100644 (file)
--- a/src/libcharon/plugins/updown/updown_handler.c
+++ b/src/libcharon/plugins/updown/updown_handler.c
@@ -188,7 +188,7 @@ METHOD(updown_handler_t, create_dns_enumerator, enumerator_t*,
        ike_sa = charon->bus->get_sa(charon->bus);
        if (!ike_sa)
        {
-               return FALSE;
+               return enumerator_create_empty();
        }
 
        this->lock->read_lock(this->lock);