From patchwork Fri Aug 30 03:13:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13784151 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 0A5A8CA0ED2 for ; Fri, 30 Aug 2024 03:09:28 +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=zU00OpT+pJGNQthSJboj5Amw3xY1MWPoaOSJb6msUVE=; b=0iCU4MMebo9Opbf7KWkVileLPe Zw+j1D5xRNiaepQX31ZwAO1Nwfo1dnjJL/uRh+u3Xeet8erQIT2scq4jX/0RsYGs4WpwL478TOwlg cO3hoDnybZh4APknWLlFuXqyYBYrowf7AzjM5OHmZqwnr8YaaLaA4t1ul0KiCL9R0MmVhzNB4vdJo 94V69GNGcWt+cSmL+21rIO7nGlijU0UpVb7Q46fd6qcvzbav+ZAnWMJWPTsM73OBAgFnX2UCeYpnv fjCX37K3dM+Ae7Iml3k5SdMnqrzNWVU3G5A8+whJuLxMEmwRaGMT5XBMmsKvlQZxnSYYHxDqQZ2+b wWZ1GSVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjs0j-00000004TKM-1JrI; Fri, 30 Aug 2024 03:09:17 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjrxd-00000004SjH-3xVI for linux-arm-kernel@lists.infradead.org; Fri, 30 Aug 2024 03:06:08 +0000 Received: from mail.maildlp.com (unknown [172.19.88.214]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Ww2xn28S8z1HHvL; Fri, 30 Aug 2024 11:02:21 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id DFC821A016C; Fri, 30 Aug 2024 11:05:42 +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; Fri, 30 Aug 2024 11:05:41 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH net-next v4 4/8] net: mdio: mux-mmioreg: Simplified with scoped function Date: Fri, 30 Aug 2024 11:13:21 +0800 Message-ID: <20240830031325.2406672-5-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240830031325.2406672-1-ruanjinjie@huawei.com> References: <20240830031325.2406672-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) 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-20240829_200606_318596_DDCE8424 X-CRM114-Status: GOOD ( 10.76 ) 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() in early exits from the loop by using for_each_available_child_of_node_scoped(). Reviewed-by: Andrew Lunn Reviewed-by: Jonathan Cameron Signed-off-by: Jinjie Ruan Reviewed-by: Florian Fainelli --- v4: - Add Reviewed-by. v3: - Add Reviewed-by. v2: - Split into 2 patches. --- drivers/net/mdio/mdio-mux-mmioreg.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/mdio/mdio-mux-mmioreg.c b/drivers/net/mdio/mdio-mux-mmioreg.c index de08419d0c98..4d87e61fec7b 100644 --- a/drivers/net/mdio/mdio-mux-mmioreg.c +++ b/drivers/net/mdio/mdio-mux-mmioreg.c @@ -96,7 +96,7 @@ static int mdio_mux_mmioreg_switch_fn(int current_child, int desired_child, static int mdio_mux_mmioreg_probe(struct platform_device *pdev) { - struct device_node *np2, *np = pdev->dev.of_node; + struct device_node *np = pdev->dev.of_node; struct mdio_mux_mmioreg_state *s; struct resource res; const __be32 *iprop; @@ -139,20 +139,18 @@ static int mdio_mux_mmioreg_probe(struct platform_device *pdev) * Verify that the 'reg' property of each child MDIO bus does not * set any bits outside of the 'mask'. */ - for_each_available_child_of_node(np, np2) { + for_each_available_child_of_node_scoped(np, np2) { u64 reg; if (of_property_read_reg(np2, 0, ®, NULL)) { dev_err(&pdev->dev, "mdio-mux child node %pOF is " "missing a 'reg' property\n", np2); - of_node_put(np2); return -ENODEV; } if ((u32)reg & ~s->mask) { dev_err(&pdev->dev, "mdio-mux child node %pOF has " "a 'reg' value with unmasked bits\n", np2); - of_node_put(np2); return -ENODEV; } }