From patchwork Sat Sep 19 02:26:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Changzhong X-Patchwork-Id: 1367447 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=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; 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 [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BtZPL6KRYz9sSf for ; Sat, 19 Sep 2020 12:28:06 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726293AbgISC2D (ORCPT ); Fri, 18 Sep 2020 22:28:03 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:56034 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726009AbgISC2D (ORCPT ); Fri, 18 Sep 2020 22:28:03 -0400 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id D98894FEECEAC69FCF14; Sat, 19 Sep 2020 10:28:00 +0800 (CST) Received: from localhost.localdomain (10.175.112.70) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server (TLS) id 14.3.487.0; Sat, 19 Sep 2020 10:27:58 +0800 From: Zhang Changzhong To: , , CC: , Subject: [PATCH net-next] net: mventa: remove unused variable 'dummy' in mvneta_mib_counters_clear() Date: Sat, 19 Sep 2020 10:26:51 +0800 Message-ID: <1600482411-15559-1-git-send-email-zhangchangzhong@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.112.70] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Fixes the following W=1 kernel build warning(s): drivers/net/ethernet/marvell/mvneta.c:754:6: warning: variable 'dummy' set but not used [-Wunused-but-set-variable] 754 | u32 dummy; | ^~~~~ This variable is not used in function mvneta_mib_counters_clear(), so remove it to avoid build warning. Signed-off-by: Zhang Changzhong --- drivers/net/ethernet/marvell/mvneta.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index f75e05e..4694242 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -751,13 +751,12 @@ static void mvneta_txq_inc_put(struct mvneta_tx_queue *txq) static void mvneta_mib_counters_clear(struct mvneta_port *pp) { int i; - u32 dummy; /* Perform dummy reads from MIB counters */ for (i = 0; i < MVNETA_MIB_LATE_COLLISION; i += 4) - dummy = mvreg_read(pp, (MVNETA_MIB_COUNTERS_BASE + i)); - dummy = mvreg_read(pp, MVNETA_RX_DISCARD_FRAME_COUNT); - dummy = mvreg_read(pp, MVNETA_OVERRUN_FRAME_COUNT); + mvreg_read(pp, (MVNETA_MIB_COUNTERS_BASE + i)); + mvreg_read(pp, MVNETA_RX_DISCARD_FRAME_COUNT); + mvreg_read(pp, MVNETA_OVERRUN_FRAME_COUNT); } /* Get System Network Statistics */