+#ifdef CONFIG_SUNRPC_REGISTER_V4
+
+static void __svc_unregister(const u32 program, const u32 version,
+ const char *progname)
+{
+ struct sockaddr_in6 sin6 = {
+ .sin6_family = AF_INET6,
+ .sin6_addr = IN6ADDR_ANY_INIT,
+ .sin6_port = 0,
+ };
+ int error;
+
+ error = rpcb_v4_register(program, version,
+ (struct sockaddr *)&sin6, "");
+ dprintk("svc: %s(%sv%u), error %d\n",
+ __func__, progname, version, error);
+}
+
+#else /* CONFIG_SUNRPC_REGISTER_V4 */
+
+static void __svc_unregister(const u32 program, const u32 version,
+ const char *progname)
+{
+ int error;
+
+ error = rpcb_register(program, version, 0, 0);
+ dprintk("svc: %s(%sv%u), error %d\n",
+ __func__, progname, version, error);
+}
+
+#endif /* CONFIG_SUNRPC_REGISTER_V4 */
+