From patchwork Thu Aug 29 06:31:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13782631 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9CC6DC761AE for ; Thu, 29 Aug 2024 06:34:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=7V6Fo0PM7TRoFpCCFYnWAGayW+r0ODjZV6PCMZsssKc=; b=FLrfSZkY8yvKshPTH6+W6fUGLQ k9rDi0jDP3svmAkp8rMd9Agq8yT0So+8/6/kTlWVAbXI8wXTLjrsJ/5clLL/jOkE8QVQU7oDlMfWT ZGxuWPoE7Qjs4sOM8QJxOBVigFLtL1/0G+QxUXNbbNvNWdnDJdY4326kmlDoy4LTLu3GzcwZz2gWc c0VmvYEeIm+xgc6xp21ukP5xbCKppsWTbMN42c65A9LMtJ6OH8WU3tWarsmS0D62XsRvkKJNZuEJG 7hPUwfeMR2jle0Z+h0JC90O9bxtS1BbL8jegZwPlz526YlY/QWIaVpNTsiVb/lrbsYpbvBIUwEt/T bhUZnOmw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjYjF-00000000nUA-3LFK; Thu, 29 Aug 2024 06:33:57 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjYZ9-00000000kKD-2LR2 for linux-arm-kernel@lists.infradead.org; Thu, 29 Aug 2024 06:23:33 +0000 Received: from mail.maildlp.com (unknown [172.19.88.194]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4WvWQJ5wXlzpTVL; Thu, 29 Aug 2024 14:21:44 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id 15A6E14035F; Thu, 29 Aug 2024 14:23:28 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 29 Aug 2024 14:23:27 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH net-next v3 11/13] net: dsa: microchip: Use __free() to simplfy code Date: Thu, 29 Aug 2024 14:31:16 +0800 Message-ID: <20240829063118.67453-12-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240829063118.67453-1-ruanjinjie@huawei.com> References: <20240829063118.67453-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemh500013.china.huawei.com (7.202.181.146) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240828_232331_949251_61562D70 X-CRM114-Status: GOOD ( 10.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Avoids the need for manual cleanup of_node_put() by using __free(). Signed-off-by: Jinjie Ruan Reviewed-by: Jonathan Cameron --- v3: - Add Reviewed-by. v2: - Split into 2 patches. --- drivers/net/dsa/microchip/ksz_common.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 86ed563938f6..8058a0b7c161 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -4595,7 +4595,6 @@ static int ksz_parse_drive_strength(struct ksz_device *dev) int ksz_switch_register(struct ksz_device *dev) { const struct ksz_chip_data *info; - struct device_node *ports; phy_interface_t interface; unsigned int port_num; int ret; @@ -4677,7 +4676,8 @@ int ksz_switch_register(struct ksz_device *dev) ret = of_get_phy_mode(dev->dev->of_node, &interface); if (ret == 0) dev->compat_interface = interface; - ports = of_get_child_by_name(dev->dev->of_node, "ethernet-ports"); + struct device_node *ports __free(device_node) = + of_get_child_by_name(dev->dev->of_node, "ethernet-ports"); if (!ports) ports = of_get_child_by_name(dev->dev->of_node, "ports"); if (ports) { @@ -4685,16 +4685,13 @@ int ksz_switch_register(struct ksz_device *dev) if (of_property_read_u32(port, "reg", &port_num)) continue; - if (!(dev->port_mask & BIT(port_num))) { - of_node_put(ports); + if (!(dev->port_mask & BIT(port_num))) return -EINVAL; - } of_get_phy_mode(port, &dev->ports[port_num].interface); ksz_parse_rgmii_delay(dev, port_num, port); } - of_node_put(ports); } dev->synclko_125 = of_property_read_bool(dev->dev->of_node, "microchip,synclko-125");