diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 01c3c41052048253b309946d62b9d7c65afea0e3..ebe344f34d1ae741c9696db10785d971f49450a4 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -371,8 +371,7 @@ int cache_unregister(struct cache_detail *cd)
 	}
 	if (list_empty(&cache_list)) {
 		/* module must be being unloaded so its safe to kill the worker */
-		cancel_delayed_work(&cache_cleaner);
-		flush_scheduled_work();
+		cancel_delayed_work_sync(&cache_cleaner);
 	}
 	return 0;
 }
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 650af064ff8da622a612e811c48d24584b212f24..669e12a4ed18a140a0ff94de8647aec344c39c66 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -132,8 +132,7 @@ rpc_close_pipes(struct inode *inode)
 		rpci->nwriters = 0;
 		if (ops->release_pipe)
 			ops->release_pipe(inode);
-		cancel_delayed_work(&rpci->queue_timeout);
-		flush_workqueue(rpciod_workqueue);
+		cancel_delayed_work_sync(&rpci->queue_timeout);
 	}
 	rpc_inode_setowner(inode, NULL);
 	mutex_unlock(&inode->i_mutex);