dns: avoid returning token for queries already reported

diff --git a/src/dnslookup.c b/src/dnslookup.c
index 245769e8a90d9e756751474d707976d2aafe95ec..a639e8544f9c10ae1c8c2beaf813082161afbb2f 100644 (file)
--- a/src/dnslookup.c
+++ b/src/dnslookup.c
@@ -438,10 +438,12 @@ struct DNSToken *adns_resolve(struct DNSContext *ctx, const char *name, adns_cal
                        log_noise("dns: ttl over: %s", req->name);
                        req_reset(req);
                        impl_launch_query(req);
-               } else
+               } else {
                        deliver_info(req);
+               }
        }
-       return ucb;
+       /* if ->done, then we have already reported */
+       return req->done ? NULL : ucb;
 nomem:
        log_warning("dns(%s): req failed, no mem", name);
        cb_func(cb_arg, NULL, 0);