231 	struct evdns_request *probe_request;  member
632 	if (ns->probe_request) {  in nameserver_up()
633 		evdns_cancel_request(ns->base, ns->probe_request);  in nameserver_up()
634 		ns->probe_request = NULL;  in nameserver_up()
941 			if (req->handle == req->ns->probe_request) {  in reply_handle()
943 				req->ns->probe_request = NULL;  in reply_handle()
969 		if (req->handle == req->ns->probe_request)  in reply_handle()
970 			req->ns->probe_request = NULL; /* Avoid double-free */  in reply_handle()
2321 	ns->probe_request = NULL;  in nameserver_probe_callback()
2351 	ns->probe_request = handle;  in nameserver_send_probe()
2430 		if (server->probe_request) {  in evdns_base_clear_nameservers_and_suspend()
2431 			evdns_cancel_request(server->base, server->probe_request);  in evdns_base_clear_nameservers_and_suspend()
2432 			server->probe_request = NULL;  in evdns_base_clear_nameservers_and_suspend()
4093 	if (server->probe_request) {  in evdns_nameserver_free()
4094 		evdns_cancel_request(server->base, server->probe_request);  in evdns_nameserver_free()
4095 		server->probe_request = NULL;  in evdns_nameserver_free()
4129 		server->probe_request = NULL;  in evdns_base_free_and_unlock()