From patchwork Mon Jan 28 06:44:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 1031701 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 43p0cZ6Bgwz9sBQ for ; Mon, 28 Jan 2019 17:50:06 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726686AbfA1GuB (ORCPT ); Mon, 28 Jan 2019 01:50:01 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2686 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726150AbfA1GuA (ORCPT ); Mon, 28 Jan 2019 01:50:00 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 0F4ED7039BE2749E420A; Mon, 28 Jan 2019 14:49:58 +0800 (CST) Received: from localhost (10.177.31.96) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.408.0; Mon, 28 Jan 2019 14:49:48 +0800 From: YueHaibing To: , , , , CC: , , , YueHaibing Subject: [PATCH 1/2] iwlwifi: Use kmemdup instead of duplicating its function Date: Mon, 28 Jan 2019 14:44:31 +0800 Message-ID: <20190128064432.17576-2-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 In-Reply-To: <20190128064432.17576-1-yuehaibing@huawei.com> References: <20190128064432.17576-1-yuehaibing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.31.96] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use kmemdup rather than duplicating its implementation Signed-off-by: YueHaibing --- drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index d9afedc..569cc50 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -1196,13 +1196,9 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, regd_to_copy = sizeof(struct ieee80211_regdomain) + valid_rules * sizeof(struct ieee80211_reg_rule); - copy_rd = kzalloc(regd_to_copy, GFP_KERNEL); - if (!copy_rd) { + copy_rd = kmemdup(regd, regd_to_copy, GFP_KERNEL); + if (!copy_rd) copy_rd = ERR_PTR(-ENOMEM); - goto out; - } - - memcpy(copy_rd, regd, regd_to_copy); out: kfree(regdb_ptrs);