CID 339111: Memory - corruptions (USE_AFTER_FREE)

*** CID 339111:  Memory - corruptions  (USE_AFTER_FREE)
/lib/dns/dispatch.c: 1533 in dns_dispatch_cancel()
1527     		} else if (resp->response != NULL) {
1528     			resp->response(ISC_R_CANCELED, NULL, resp->arg);
1529     		}
1530     	}
1531     
1532     done:
   CID 339111:  Memory - corruptions  (USE_AFTER_FREE)
   Calling "dns_dispatch_done" frees pointer "*respp" which has already been freed.
1533     	dns_dispatch_done(respp);
1534     }
1535     
1536     void
1537     dns_dispatch_done(dns_dispentry_t **respp) {
1538     	dns_dispatchmgr_t *mgr = NULL;