From patchwork Thu Aug 27 11:03:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen Qun X-Patchwork-Id: 1352484 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Bcg1y0MZLz9sSJ for ; Thu, 27 Aug 2020 21:08:06 +1000 (AEST) Received: from localhost ([::1]:56798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kBFlD-00012M-Vm for incoming@patchwork.ozlabs.org; Thu, 27 Aug 2020 07:08:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51068) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBFiC-0004YR-ES; Thu, 27 Aug 2020 07:04:56 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:4715 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBFiA-0007ZL-Jm; Thu, 27 Aug 2020 07:04:56 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 3F8E0423732E145726B2; Thu, 27 Aug 2020 19:04:51 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.487.0; Thu, 27 Aug 2020 19:04:44 +0800 From: Chen Qun To: , Subject: [PATCH v3 07/10] vfio/platform: Remove dead assignment in vfio_intp_interrupt() Date: Thu, 27 Aug 2020 19:03:08 +0800 Message-ID: <20200827110311.164316-8-kuhn.chenqun@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200827110311.164316-1-kuhn.chenqun@huawei.com> References: <20200827110311.164316-1-kuhn.chenqun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.104.175] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.191; envelope-from=kuhn.chenqun@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/27 02:09:23 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhang.zhanghailiang@huawei.com, Li Qiang , pannengyuan@huawei.com, Eric Auger , Alex Williamson , Stefan Hajnoczi , Euler Robot , Chen Qun Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Clang static code analyzer show warning: hw/vfio/platform.c:239:9: warning: Value stored to 'ret' is never read ret = event_notifier_test_and_clear(intp->interrupt); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Reported-by: Euler Robot Signed-off-by: Chen Qun Reviewed-by: Eric Auger Reviewed-by: Stefan Hajnoczi Reviewed-by: Li Qiang --- Cc: Alex Williamson Cc: Eric Auger Cc: Stefan Hajnoczi --- hw/vfio/platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/vfio/platform.c b/hw/vfio/platform.c index ac2cefc9b1..869ed2c39d 100644 --- a/hw/vfio/platform.c +++ b/hw/vfio/platform.c @@ -236,7 +236,7 @@ static void vfio_intp_interrupt(VFIOINTp *intp) trace_vfio_intp_interrupt_set_pending(intp->pin); QSIMPLEQ_INSERT_TAIL(&vdev->pending_intp_queue, intp, pqnext); - ret = event_notifier_test_and_clear(intp->interrupt); + event_notifier_test_and_clear(intp->interrupt); return; }