From patchwork Thu Nov 25 07:16:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 518110 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 EBE0AC433F5 for ; Thu, 25 Nov 2021 07:10:22 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 407591801; Thu, 25 Nov 2021 08:09:30 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 407591801 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1637824220; bh=r80PrVTE65eHYvH2xmvcdx5v+S9+23y+RTuZZNnKt2s=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=ledNM6GmO90L7oixIOXKkUkHNoVctA+nffRh5/tc+BFaJXkVYp3DvfU91BjwrLzDJ O8Zq14TxgvlApRRVj+yoxfjSYql3WPObekRs1Dv1u8sZbOopYNkWQwiVbIg4VWuYNU DTgQ7jVSs8qbuRDdCYQoFieyXrWg73AOnonWKH+Q= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id C975AF80430; Thu, 25 Nov 2021 08:09:29 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 30505F8049E; Thu, 25 Nov 2021 08:09:28 +0100 (CET) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 2CFF8F80302; Thu, 25 Nov 2021 08:09:19 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 2CFF8F80302 Received: from dggpeml500021.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4J087N5d5LzZd6Q; Thu, 25 Nov 2021 15:06:40 +0800 (CST) Received: from dggpeml500017.china.huawei.com (7.185.36.243) by dggpeml500021.china.huawei.com (7.185.36.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Thu, 25 Nov 2021 15:09:14 +0800 Received: from huawei.com (10.175.103.91) by dggpeml500017.china.huawei.com (7.185.36.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Thu, 25 Nov 2021 15:09:13 +0800 From: Yang Yingliang To: , , , , Subject: [PATCH -next] ASoC: SOF: mediatek: Add missing of_node_put() in platform_parse_resource() Date: Thu, 25 Nov 2021 15:16:08 +0800 Message-ID: <20211125071608.3056715-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500017.china.huawei.com (7.185.36.243) X-CFilter-Loop: Reflected Cc: broonie@kernel.org, daniel.baluta@nxp.com, yc.hung@mediatek.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" The node pointer is returned by of_parse_phandle() with refcount incremented in platform_parse_resource(). Calling of_node_put() to aovid the refcount leak. Reported-by: Hulk Robot Signed-off-by: Yang Yingliang --- sound/soc/sof/mediatek/mt8195/mt8195.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c index 40e5a25875a6..55d9812870a4 100644 --- a/sound/soc/sof/mediatek/mt8195/mt8195.c +++ b/sound/soc/sof/mediatek/mt8195/mt8195.c @@ -43,6 +43,7 @@ static int platform_parse_resource(struct platform_device *pdev, void *data) } ret = of_address_to_resource(mem_region, 0, &res); + of_node_put(mem_region); if (ret) { dev_err(dev, "of_address_to_resource dma failed\n"); return ret; @@ -64,6 +65,7 @@ static int platform_parse_resource(struct platform_device *pdev, void *data) } ret = of_address_to_resource(mem_region, 0, &res); + of_node_put(mem_region); if (ret) { dev_err(dev, "of_address_to_resource sysmem failed\n"); return ret;