From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F01E142911; Thu, 13 Jun 2024 11:37:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718278642; cv=none; b=VNcXx2nj6QYGs4z0CKk3rZBl1gKuzXXOM1SmkroXQ6b28ypuko3nLiM1JWxo/gVpywl9Q1LlPpvmwR538PNK341Q6zOntT0hXS2jbQuYtIP+bFtCEpPmzHKUjJJhVRvvrGPOEUghZ/4AJSel0Gyje3ty2JACME2SzoBPbYPkVWA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718278642; c=relaxed/simple; bh=Z2/zGejb/dYNf5qPS1ou0M5ZBQttzYzIxjtEnDPckQo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JI7dw8L+b9OaUG3qcqw8zgpSXDV/pePWjDNM12HaReJzNv4xwsfYOqIyFtPaVfB4jYsBOZU03nHYoKZM2ZebbT4S2GYIUX8zflHgTcFL3yklQyDREJ2+dSpEl9eucPxX37SKC17HI7se2OqL+4HTQ4LoFIcH/Y7ifyowK44pG3g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=wragvhym; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="wragvhym" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6BCEC2BBFC; Thu, 13 Jun 2024 11:37:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1718278642; bh=Z2/zGejb/dYNf5qPS1ou0M5ZBQttzYzIxjtEnDPckQo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wragvhymUJ1QsWDYMjJxcCjakAHMT6U5Lz9MIgK0r+TJL4ks2N+8aqSFmOLq0DUBd DVq797xP5rDVFgLuHPCKgMJQj18nv508C0FwO8RoKcWyVnC8ilK+47K9kp/SILE7A/ 4qb6AwARXXDHvW20yZ2eTlHMQPHKZOjRwSQhuyaw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pierre-Louis Bossart , Mark Brown , Sasha Levin Subject: [PATCH 4.19 013/213] ASoC: da7219-aad: fix usage of device_get_named_child_node() Date: Thu, 13 Jun 2024 13:31:01 +0200 Message-ID: <20240613113228.498079013@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240613113227.969123070@linuxfoundation.org> References: <20240613113227.969123070@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pierre-Louis Bossart [ Upstream commit e8a6a5ad73acbafd98e8fd3f0cbf6e379771bb76 ] The documentation for device_get_named_child_node() mentions this important point: " The caller is responsible for calling fwnode_handle_put() on the returned fwnode pointer. " Add fwnode_handle_put() to avoid a leaked reference. Signed-off-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20240426153033.38500-1-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/da7219-aad.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c index e3515ac8b223f..c7c800f8133b6 100644 --- a/sound/soc/codecs/da7219-aad.c +++ b/sound/soc/codecs/da7219-aad.c @@ -634,8 +634,10 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct snd_soc_component return NULL; aad_pdata = devm_kzalloc(dev, sizeof(*aad_pdata), GFP_KERNEL); - if (!aad_pdata) + if (!aad_pdata) { + fwnode_handle_put(aad_np); return NULL; + } aad_pdata->irq = i2c->irq; @@ -710,6 +712,8 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct snd_soc_component else aad_pdata->adc_1bit_rpt = DA7219_AAD_ADC_1BIT_RPT_1; + fwnode_handle_put(aad_np); + return aad_pdata; } -- 2.43.0