From patchwork Thu Jul 13 11:20:44 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 107668 Delivered-To: patch@linaro.org Received: by 10.140.101.44 with SMTP id t41csp2085640qge; Thu, 13 Jul 2017 04:23:00 -0700 (PDT) X-Received: by 10.99.51.1 with SMTP id z1mr8847496pgz.227.1499944980325; Thu, 13 Jul 2017 04:23:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1499944980; cv=none; d=google.com; s=arc-20160816; b=b48GjhWp76mWXHUDk+KoOx0USg9e5z7Gd1uAPsP1kvKsF/Roacd6w/Iq0W++1l3FI0 KykSNiAv7mqsYuQd24ZI8OSB678SPxub5Q5GcVR/qUP44atUhDzs4TI+i84ZPMu3rVf6 iAOqDDSNu+ugQFNK3GWmQWJbQO9P76CuxiOi2TxfQfX35d5w6Gt5aEce9jL9tP6dHqLX Ymwpi2quJ72ReThAQ3qMl/PHN2RY/qoyscjgMRsd7pz8HBhcUWE/gC79MycU1OhEEa4F 8F1/6rztBUFB0tupWJKJOSSJI7tdqeNA85+t7Oxlwy1kFiq6XesRt9dKOzzLA/wXyO78 93+g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from:arc-authentication-results; bh=0R8PxmcJhUc6DBl3HK5LYURjFmnB9RwAcYhQA4/2isg=; b=1HtB9CbWoTW/o8zEBvNcjcVW7+Do6u7nC7ZZKCDPziwbDTzGy4M+xXFLS0VAWdLC/s j2Om1gaROsIoOV/CSS2zEVIRCovTJlCN91xUt3s6mXjE6eqJw33IGcTbAeX3O9vUWxkG AWTtWyliZa/5N6NL6uJZ5aeccVVGoozwGZKxnQ7Zrb3YJ8rhiiG1QrDXW/G517gJ1aPQ kpvKGRbFUhOqr5HI/ETrXEPcMAn5Jialu9hTFpO9nVKAtp1sYIz44iHF54nNznzON2UX HVdTj7UkDW7G0xWKFYg/PjE++7rbdqChRHNPuTyd346mDYR9kGGlJBFqMStbMl5aodH8 34uw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a6si4406710plt.243.2017.07.13.04.23.00; Thu, 13 Jul 2017 04:23:00 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751898AbdGMLWr (ORCPT + 25 others); Thu, 13 Jul 2017 07:22:47 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:9850 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751108AbdGMLWq (ORCPT ); Thu, 13 Jul 2017 07:22:46 -0400 Received: from 172.30.72.57 (EHLO DGGEML404-HUB.china.huawei.com) ([172.30.72.57]) by dggrg02-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id AQZ14085; Thu, 13 Jul 2017 19:22:38 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEML404-HUB.china.huawei.com (10.3.17.39) with Microsoft SMTP Server id 14.3.301.0; Thu, 13 Jul 2017 19:22:27 +0800 From: Kefeng Wang To: Josef Bacik CC: , , Kefeng Wang Subject: [PATCH] nbd: kill unused ret in recv_work Date: Thu, 13 Jul 2017 19:20:44 +0800 Message-ID: <1499944844-67183-1-git-send-email-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090206.596757FE.0043, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: e51a03dc2b967a6c930f9f040bdb4ce3 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No need to return value in queue work, kill ret variable. Signed-off-by: Kefeng Wang --- drivers/block/nbd.c | 2 -- 1 file changed, 2 deletions(-) -- 1.8.3.1 diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index dea7d85..87a0a29 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -626,7 +626,6 @@ static void recv_work(struct work_struct *work) struct nbd_device *nbd = args->nbd; struct nbd_config *config = nbd->config; struct nbd_cmd *cmd; - int ret = 0; while (1) { cmd = nbd_read_stat(nbd, args->index); @@ -636,7 +635,6 @@ static void recv_work(struct work_struct *work) mutex_lock(&nsock->tx_lock); nbd_mark_nsock_dead(nbd, nsock, 1); mutex_unlock(&nsock->tx_lock); - ret = PTR_ERR(cmd); break; }