diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 9af919364a00..92d88aa62085 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -349,8 +349,10 @@ static void rpc_make_runnable(struct workqueue_struct *wq,
 	if (RPC_IS_ASYNC(task)) {
 		INIT_WORK(&task->u.tk_work, rpc_async_schedule);
 		queue_work(wq, &task->u.tk_work);
-	} else
+	} else {
+		smp_mb__after_atomic();
 		wake_up_bit(&task->tk_runstate, RPC_TASK_QUEUED);
+	}
 }
 
 /*