From patchwork Tue Aug 20 12:36:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunsheng Lin X-Patchwork-Id: 1150121 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46CVhd3f1Yz9s4Y for ; Tue, 20 Aug 2019 22:38:41 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730005AbfHTMih (ORCPT ); Tue, 20 Aug 2019 08:38:37 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:47074 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729383AbfHTMih (ORCPT ); Tue, 20 Aug 2019 08:38:37 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id C1A3D5E0898FACBBEEA4; Tue, 20 Aug 2019 20:38:34 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.439.0; Tue, 20 Aug 2019 20:38:33 +0800 From: Yunsheng Lin To: , CC: , , , Subject: [PATCH] vhost: Remove unnecessary variable Date: Tue, 20 Aug 2019 20:36:32 +0800 Message-ID: <1566304592-233922-1-git-send-email-linyunsheng@huawei.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org It is unnecessary to use ret variable to return the error code, just return the error code directly. Signed-off-by: Yunsheng Lin --- drivers/vhost/vhost.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 0536f85..1ac9de2 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -203,7 +203,6 @@ EXPORT_SYMBOL_GPL(vhost_poll_init); int vhost_poll_start(struct vhost_poll *poll, struct file *file) { __poll_t mask; - int ret = 0; if (poll->wqh) return 0; @@ -213,10 +212,10 @@ int vhost_poll_start(struct vhost_poll *poll, struct file *file) vhost_poll_wakeup(&poll->wait, 0, 0, poll_to_key(mask)); if (mask & EPOLLERR) { vhost_poll_stop(poll); - ret = -EINVAL; + return -EINVAL; } - return ret; + return 0; } EXPORT_SYMBOL_GPL(vhost_poll_start);