From patchwork Thu Aug 29 06:31:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13782613 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 B13C2C77B7A for ; Thu, 29 Aug 2024 06:26:12 +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=KVD3x1HH1i7aogLsqUHQwaO1jqWWNrZ3INBjmoGvnWk=; b=Mpt5gmACkB8L/su4aTaWPxyRKh MEUxDKqNbPhPfQGWXcfeFpK+8ZCkAzBoXkzemHI0HKaUa8pVonFv0O5j6lf819SYVymsZ3KKAwdt0 tGZc0JFKnsHVsSQaXPm8EKaeGmtPoXpf9Jw+qX1FmiHTgSawom5gVQArKAZ41kvgL89S2I0K20zu8 9T18QFaVlouFCYQmK2AfGWd50h76P+m/1AzjA+8sfAqdsfXCT/isLErw/3H0oJVK/hm8F4K5Ov2PM 0NjljDaScozlE9uNs0RltnOoDOg7t1zI6k9w0xyTMI46mRfToNFwNtsizpAWezfJQRIQZHDujuZmb 1vge8kbw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjYbW-00000000l2m-3rLN; Thu, 29 Aug 2024 06:25:59 +0000 Received: from szxga07-in.huawei.com ([45.249.212.35]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjYZ4-00000000kIY-2Kby for linux-arm-kernel@lists.infradead.org; Thu, 29 Aug 2024 06:23:28 +0000 Received: from mail.maildlp.com (unknown [172.19.162.112]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4WvWRx5nchz1S9MX; Thu, 29 Aug 2024 14:23:09 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id BAF64140153; Thu, 29 Aug 2024 14:23:22 +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 14:23:21 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH net-next v3 05/13] net: phy: Fix missing of_node_put() for leds Date: Thu, 29 Aug 2024 14:31:10 +0800 Message-ID: <20240829063118.67453-6-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_232326_867097_2E1B5091 X-CRM114-Status: UNSURE ( 9.99 ) X-CRM114-Notice: Please train this message. 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 The call of of_get_child_by_name() will cause refcount incremented for leds, if it succeeds, it should call of_node_put() to decrease it, fix it. Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs") Signed-off-by: Jinjie Ruan Reviewed-by: Jonathan Cameron --- v3: - Add Reviewed-by. v2: - Split into 2 patches. - Use of_node_put() rather than __free() to fix it. --- drivers/net/phy/phy_device.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 8f5314c1fecc..243dae686992 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -3424,11 +3424,13 @@ static int of_phy_leds(struct phy_device *phydev) err = of_phy_led(phydev, led); if (err) { of_node_put(led); + of_node_put(leds); phy_leds_unregister(phydev); return err; } } + of_node_put(leds); return 0; }