From patchwork Wed Sep 4 06:43:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhong jiang X-Patchwork-Id: 11129449 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1341C1398 for ; Wed, 4 Sep 2019 06:47:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F0E4C2339D for ; Wed, 4 Sep 2019 06:47:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728809AbfIDGrB (ORCPT ); Wed, 4 Sep 2019 02:47:01 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:6200 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726033AbfIDGrA (ORCPT ); Wed, 4 Sep 2019 02:47:00 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 16EF720EACC9E19A8E38; Wed, 4 Sep 2019 14:46:50 +0800 (CST) Received: from linux-ibm.site (10.175.102.37) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.439.0; Wed, 4 Sep 2019 14:46:42 +0800 From: zhong jiang To: CC: , , , , Subject: [PATCH] ath9k: Remove unneeded variable to store return value Date: Wed, 4 Sep 2019 14:43:48 +0800 Message-ID: <1567579428-16377-1-git-send-email-zhongjiang@huawei.com> X-Mailer: git-send-email 1.7.12.4 MIME-Version: 1.0 X-Originating-IP: [10.175.102.37] X-CFilter-Loop: Reflected Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org ath9k_reg_rmw_single do not need return value to cope with different cases. And change functon return type to void. Signed-off-by: zhong jiang --- drivers/net/wireless/ath/ath9k/htc_drv_init.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index 214c682..d961095 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -463,7 +463,7 @@ static void ath9k_enable_rmw_buffer(void *hw_priv) atomic_inc(&priv->wmi->m_rmw_cnt); } -static u32 ath9k_reg_rmw_single(void *hw_priv, +static void ath9k_reg_rmw_single(void *hw_priv, u32 reg_offset, u32 set, u32 clr) { struct ath_hw *ah = hw_priv; @@ -471,7 +471,6 @@ static u32 ath9k_reg_rmw_single(void *hw_priv, struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; struct register_rmw buf, buf_ret; int ret; - u32 val = 0; buf.reg = cpu_to_be32(reg_offset); buf.set = cpu_to_be32(set); @@ -485,7 +484,6 @@ static u32 ath9k_reg_rmw_single(void *hw_priv, ath_dbg(common, WMI, "REGISTER RMW FAILED:(0x%04x, %d)\n", reg_offset, ret); } - return val; } static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr)