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 1D2D81C0DC0; Tue, 7 May 2024 23:12:54 +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=1715123574; cv=none; b=pprbusB9h5XyhLQy3tF/7L8r2G/erfvT7w/0HPRHcscugiJ2gjo+bJDquY1aWj4izC+ikQsGdef8xToLmLWZsRO0nb7ewvSInztf3hZmKna5XlFAK765pXCveTMTlfHHVZ7y5VGEgmzoZgvJJ8aPpve/KSMQ4/CP2+fxjj+GckQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715123574; c=relaxed/simple; bh=3zFSXmcuGLIb480BIJuMGLzc+nUlr8bq1zGtX3DKV/8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iYw45YMxW6ymFx0A8n/XrSE15Z8xYpFOgB6gubmo2qnOu7C0DDq/DplhQq+NAR8jM08woH139im0aVHSqn3RspcOFkqfta9wzqdxpeqlt7leCvO89Bb6GIqnDs2HXOTuhPQiGjHvlNcGzuzqyn/MuKBW1dj6HTcboSZi+KrjrWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MAMjw2F8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MAMjw2F8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D925DC4AF17; Tue, 7 May 2024 23:12:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715123574; bh=3zFSXmcuGLIb480BIJuMGLzc+nUlr8bq1zGtX3DKV/8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MAMjw2F8AdxO678RAtc3l42gZvV4Do/rHKMjzGgPDrd7GOeb60663lwy5Na4wamGh R4YAm8RUVI2Wjs1kN3kACLEmh7Z80dt6pR20Fm9+fMYJZMNODJDzCn7/eBU27c8cVH /JfArXXTuihYpdZmKW2UulQ4uihxtxuzqrSisSySteRi8dr98lhyv4abYJBK7gxCtj RTiBKtFgKbWF2cOBORj5vbusvFmd1AmbXQhJmgB8rfXeF3o044H34hB0lgtEyUhGG4 osxdsLuLXZUtyYz/ztBxnf7udTSMlEBMcP61bBvPqar6Cl5H6s9H3XsjK9/BQB2NeP 54kP2Mlz58w2g== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Pierre-Louis Bossart , Mark Brown , Sasha Levin , support.opensource@diasemi.com, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org Subject: [PATCH AUTOSEL 6.1 13/25] ASoC: da7219-aad: fix usage of device_get_named_child_node() Date: Tue, 7 May 2024 19:12:00 -0400 Message-ID: <20240507231231.394219-13-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240507231231.394219-1-sashal@kernel.org> References: <20240507231231.394219-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.90 Content-Transfer-Encoding: 8bit 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 c8410769188a0..d613f1074524a 100644 --- a/sound/soc/codecs/da7219-aad.c +++ b/sound/soc/codecs/da7219-aad.c @@ -638,8 +638,10 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct device *dev) 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; @@ -714,6 +716,8 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct device *dev) else aad_pdata->adc_1bit_rpt = DA7219_AAD_ADC_1BIT_RPT_1; + fwnode_handle_put(aad_np); + return aad_pdata; } -- 2.43.0