From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 604D2C072B1 for ; Thu, 30 May 2019 03:42:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 26FAC2054F for ; Thu, 30 May 2019 03:42:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559187743; bh=7HI6N91vbKXJrX1wN4OS7tsYTq/hOQxF0ZkTbp8oJ14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=R8BfA1bB/UwDi8QVLHL/17Tlz9PsQZxlBnNdkmCHbVSBn6CnSroIM13Mot0f7b1uW +jDnc1c6dkLRcmspN72YINqPWdVa4RoYObg40OovDlbIZaas9mbKShLK4FjkUAaHqI 6iiEy1x6HgbBUMxmi47xUs/fb8qc4E4PBuylK8XA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731986AbfE3DmE (ORCPT ); Wed, 29 May 2019 23:42:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:33794 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732500AbfE3DVP (ORCPT ); Wed, 29 May 2019 23:21:15 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F2C492495E; Thu, 30 May 2019 03:21:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186475; bh=7HI6N91vbKXJrX1wN4OS7tsYTq/hOQxF0ZkTbp8oJ14=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZjI7dSDTxBJdqIp6W3j9DYyRoinKtMlQ7CDBYUTo3zMEmsvsL14LIutYCaLW3YN+q lWZi6yRh++dGqGCts1XDhF0bU9ZYoawhw3v5xvJ5j+Nusmn0yjxXufp4Z8IhnJt9Bf CyyypOlSgTbkH7uh/4Rvsn8qUARB6jx/q8uJV6SI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wen Yang , Timur Tabi , Nicolin Chen , Xiubo Li , Fabio Estevam , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, Sasha Levin Subject: [PATCH 4.9 107/128] ASoC: fsl_utils: fix a leaked reference by adding missing of_node_put Date: Wed, 29 May 2019 20:07:19 -0700 Message-Id: <20190530030453.891084085@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030432.977908967@linuxfoundation.org> References: <20190530030432.977908967@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit c705247136a523488eac806bd357c3e5d79a7acd ] The call to of_parse_phandle returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./sound/soc/fsl/fsl_utils.c:74:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 38, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Timur Tabi Cc: Nicolin Chen Cc: Xiubo Li Cc: Fabio Estevam Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: alsa-devel@alsa-project.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/fsl/fsl_utils.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/fsl/fsl_utils.c b/sound/soc/fsl/fsl_utils.c index b9e42b503a377..4f8bdb7650e84 100644 --- a/sound/soc/fsl/fsl_utils.c +++ b/sound/soc/fsl/fsl_utils.c @@ -75,6 +75,7 @@ int fsl_asoc_get_dma_channel(struct device_node *ssi_np, iprop = of_get_property(dma_np, "cell-index", NULL); if (!iprop) { of_node_put(dma_np); + of_node_put(dma_channel_np); return -EINVAL; } *dma_id = be32_to_cpup(iprop); -- 2.20.1