+/*
+ * In the case where rpc clients have been cloned, we want to make
+ * sure that we use the program number/version etc of the actual
+ * owner of the xprt. To do so, we walk back up the tree of parents
+ * to find whoever created the transport and/or whoever has the
+ * autobind flag set.
+ */
+static struct rpc_clnt *rpcb_find_transport_owner(struct rpc_clnt *clnt)
+{
+ struct rpc_clnt *parent = clnt->cl_parent;
+
+ while (parent != clnt) {
+ if (parent->cl_xprt != clnt->cl_xprt)
+ break;
+ if (clnt->cl_autobind)
+ break;
+ clnt = parent;
+ parent = parent->cl_parent;
+ }
+ return clnt;
+}
+