test devent->sigrdataset rather than devent->rdataset before calling query_putrdataset

diff --git a/lib/ns/query.c b/lib/ns/query.c
index c80612ef0777264189da22f0fb6240d58d0d691f..492d716f506bffdc0168cd63f3858e2584e5824a 100644 (file)
--- a/lib/ns/query.c
+++ b/lib/ns/query.c
@@ -2372,7 +2372,7 @@ free_devent(ns_client_t *client, isc_event_t **eventp,
                dns_db_detach(&devent->db);
        if (devent->rdataset != NULL)
                query_putrdataset(client, &devent->rdataset);
-       if (devent->rdataset != NULL)
+       if (devent->sigrdataset != NULL)
                query_putrdataset(client, &devent->sigrdataset);
        /*
         * If the two pointers are the same then leave the setting of