SUNRPC: Use the multipath iterator to assign a transport to each task

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 44f025c..5b30603 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -683,11 +683,9 @@
 	int status;
 
 	rcu_read_lock();
-	do {
-		clnt = rpcb_find_transport_owner(task->tk_client);
-		xprt = xprt_get(rcu_dereference(clnt->cl_xprt));
-	} while (xprt == NULL);
+	clnt = rpcb_find_transport_owner(task->tk_client);
 	rcu_read_unlock();
+	xprt = xprt_get(task->tk_xprt);
 
 	dprintk("RPC: %5u %s(%s, %u, %u, %d)\n",
 		task->tk_pid, __func__,