settings: Don't enumerate key/value pairs with NULL value

diff --git a/src/libstrongswan/settings/settings.c b/src/libstrongswan/settings/settings.c
index 25c5d6ea432bb03a9d82e47109f851b294328920..b36d1dfcc006deaad12157f6ca21d1316eb8abee 100644 (file)
--- a/src/libstrongswan/settings/settings.c
+++ b/src/libstrongswan/settings/settings.c
@@ -817,7 +817,7 @@ static bool kv_filter(hashtable_t *seen, kv_t **in, char **key,
                                          void *none, char **value)
 {
        *key = (*in)->key;
-       if (seen->get(seen, *key))
+       if (seen->get(seen, *key) || !(*in)->value)
        {
                return FALSE;
        }