SUNRPC: Clean up rpc_bind_new_program

We can and should use the rpc_create_args and __rpc_clone_client()
to change the program and version number on the resulting rpc_client.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

net/sunrpc/clnt.c

@@ -703,21 +703,19 @@ struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *old,
 				      const struct rpc_program *program,
 				      u32 vers)
 {
+	struct rpc_create_args args = {
+		.program	= program,
+		.prognumber	= program->number,
+		.version	= vers,
+		.authflavor	= old->cl_auth->au_flavor,
+		.client_name	= old->cl_principal,
+	};
 	struct rpc_clnt *clnt;
-	const struct rpc_version *version;
 	int err;
 
-	BUG_ON(vers >= program->nrvers || !program->version[vers]);
-	version = program->version[vers];
-	clnt = rpc_clone_client(old);
+	clnt = __rpc_clone_client(&args, old);
 	if (IS_ERR(clnt))
 		goto out;
-	clnt->cl_procinfo = version->procs;
-	clnt->cl_maxproc  = version->nrprocs;
-	clnt->cl_protname = program->name;
-	clnt->cl_prog     = program->number;
-	clnt->cl_vers     = version->number;
-	clnt->cl_stats    = program->stats;
 	err = rpc_ping(clnt);
 	if (err != 0) {
 		rpc_shutdown_client(clnt);