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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FC34C38A2D for ; Mon, 24 Oct 2022 12:50:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234395AbiJXMut (ORCPT ); Mon, 24 Oct 2022 08:50:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234644AbiJXMpY (ORCPT ); Mon, 24 Oct 2022 08:45:24 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FFDA28E06; Mon, 24 Oct 2022 05:09:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C1E49612DF; Mon, 24 Oct 2022 12:09:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D1A42C433D7; Mon, 24 Oct 2022 12:08:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666613340; bh=RhZY3f/cNX48ieii4f+tk/Br9qS6MllaouL23ztsNwk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QhHwUlGi+8zAk30SeKcfPSIeISYF01r+Ewl8sKtPayrlmvvjmEmt0HYkzzA0aapNz 0A7BteM0wqM2QaVrLW755W9kOrzY65jyZgRr/DCm4NSeefysQWpILmg+qS/wAYqCaG MWIl5SDdMZIZNiVoPpFEulrrgPZwZ7rRi/Yq21B4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Liang He , Mark Brown , Sasha Levin , Kelin Wang Subject: [PATCH 5.4 100/255] ASoC: eureka-tlv320: Hold reference returned from of_find_xxx API Date: Mon, 24 Oct 2022 13:30:10 +0200 Message-Id: <20221024113005.806514427@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113002.471093005@linuxfoundation.org> References: <20221024113002.471093005@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Liang He [ Upstream commit bfb735a3ceff0bab6473bac275da96f9b2a06dec ] In eukrea_tlv320_probe(), we need to hold the reference returned from of_find_compatible_node() which has increased the refcount and then call of_node_put() with it when done. Fixes: 66f232908de2 ("ASoC: eukrea-tlv320: Add DT support.") Co-authored-by: Kelin Wang Signed-off-by: Liang He Link: https://lore.kernel.org/r/20220914134354.3995587-1-windhl@126.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/fsl/eukrea-tlv320.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/sound/soc/fsl/eukrea-tlv320.c b/sound/soc/fsl/eukrea-tlv320.c index 6f3b768489f6..bf3d3f0aa858 100644 --- a/sound/soc/fsl/eukrea-tlv320.c +++ b/sound/soc/fsl/eukrea-tlv320.c @@ -86,7 +86,7 @@ static int eukrea_tlv320_probe(struct platform_device *pdev) int ret; int int_port = 0, ext_port; struct device_node *np = pdev->dev.of_node; - struct device_node *ssi_np = NULL, *codec_np = NULL; + struct device_node *ssi_np = NULL, *codec_np = NULL, *tmp_np = NULL; eukrea_tlv320.dev = &pdev->dev; if (np) { @@ -143,7 +143,7 @@ static int eukrea_tlv320_probe(struct platform_device *pdev) } if (machine_is_eukrea_cpuimx27() || - of_find_compatible_node(NULL, NULL, "fsl,imx21-audmux")) { + (tmp_np = of_find_compatible_node(NULL, NULL, "fsl,imx21-audmux"))) { imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, IMX_AUDMUX_V1_PCR_SYN | IMX_AUDMUX_V1_PCR_TFSDIR | @@ -158,10 +158,11 @@ static int eukrea_tlv320_probe(struct platform_device *pdev) IMX_AUDMUX_V1_PCR_SYN | IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0) ); + of_node_put(tmp_np); } else if (machine_is_eukrea_cpuimx25sd() || machine_is_eukrea_cpuimx35sd() || machine_is_eukrea_cpuimx51sd() || - of_find_compatible_node(NULL, NULL, "fsl,imx31-audmux")) { + (tmp_np = of_find_compatible_node(NULL, NULL, "fsl,imx31-audmux"))) { if (!np) ext_port = machine_is_eukrea_cpuimx25sd() ? 4 : 3; @@ -178,6 +179,7 @@ static int eukrea_tlv320_probe(struct platform_device *pdev) IMX_AUDMUX_V2_PTCR_SYN, IMX_AUDMUX_V2_PDCR_RXDSEL(int_port) ); + of_node_put(tmp_np); } else { if (np) { /* The eukrea,asoc-tlv320 driver was explicitly -- 2.35.1