linux-kernel - [PATCH AUTOSEL 4.4 45/63] ASoC: fsl-asoc-card: fix object reference leaks in fsl_asoc_card

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Date:   Wed, 27 Mar 2019 14:23:05 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     wen yang <yellowriver2010@...mail.com>,
        Wen Yang <yellowriver2010@...mil.com>,
        Timur Tabi <timur@...nel.org>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Xiubo Li <Xiubo.Lee@...il.com>,
        Fabio Estevam <festevam@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linuxppc-dev@...ts.ozlabs.org, Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.4 45/63] ASoC: fsl-asoc-card: fix object reference leaks in fsl_asoc_card_probe

From: wen yang <yellowriver2010@...mail.com>

[ Upstream commit 11907e9d3533648615db08140e3045b829d2c141 ]

The of_find_device_by_node() takes a reference to the underlying device
structure, we should release that reference.

Signed-off-by: Wen Yang <yellowriver2010@...mil.com>
Cc: Timur Tabi <timur@...nel.org>
Cc: Nicolin Chen <nicoleotsuka@...il.com>
Cc: Xiubo Li <Xiubo.Lee@...il.com>
Cc: Fabio Estevam <festevam@...il.com>
Cc: Liam Girdwood <lgirdwood@...il.com>
Cc: Mark Brown <broonie@...nel.org>
Cc: Jaroslav Kysela <perex@...ex.cz>
Cc: Takashi Iwai <tiwai@...e.com>
Cc: alsa-devel@...a-project.org
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/fsl/fsl-asoc-card.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 1b05d1c5d9fd..a32fe14b4687 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -659,6 +659,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 asrc_fail:
 	of_node_put(asrc_np);
 	of_node_put(codec_np);
+	put_device(&cpu_pdev->dev);
 fail:
 	of_node_put(cpu_np);
 
-- 
2.19.1