232 	struct evdns_request *probe_request;  member
627 	if (ns->probe_request) {  in nameserver_up()
628 		evdns_cancel_request(ns->base, ns->probe_request);  in nameserver_up()
629 		ns->probe_request = NULL;  in nameserver_up()
908 			if (req->handle == req->ns->probe_request) {  in reply_handle()
910 				req->ns->probe_request = NULL;  in reply_handle()
936 		if (req->handle == req->ns->probe_request)  in reply_handle()
937 			req->ns->probe_request = NULL; /* Avoid double-free */  in reply_handle()
2282 	ns->probe_request = NULL;  in nameserver_probe_callback()
2312 	ns->probe_request = handle;  in nameserver_send_probe()
2391 		if (server->probe_request) {  in evdns_base_clear_nameservers_and_suspend()
2392 			evdns_cancel_request(server->base, server->probe_request);  in evdns_base_clear_nameservers_and_suspend()
2393 			server->probe_request = NULL;  in evdns_base_clear_nameservers_and_suspend()
3949 	if (server->probe_request) {  in evdns_nameserver_free()
3950 		evdns_cancel_request(server->base, server->probe_request);  in evdns_nameserver_free()
3951 		server->probe_request = NULL;  in evdns_nameserver_free()