linux-kernel - [PATCH 4.9 004/116] ASoC: qcom: Fix of-node refcount unbalance to link->codec_of

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Message-Id: <20200213151844.171406458@linuxfoundation.org>
Date:   Thu, 13 Feb 2020 07:19:08 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Takashi Iwai <tiwai@...e.de>, Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
Subject: [PATCH 4.9 004/116] ASoC: qcom: Fix of-node refcount unbalance to link->codec_of_node

From: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>

[ This is a fix specific to 4.4.y and 4.9.y stable trees;
  4.14.y and older are not affected ]

The of-node refcount fixes were made in commit 8d1667200850 ("ASoC: qcom:
Fix of-node refcount unbalance in apq8016_sbc_parse_of()"), but not enough
in 4.4.y and 4.9.y. The modification of link->codec_of_node is missing.
This fixes of-node refcount unbalance to link->codec_of_node.

Fixes: 8d1667200850 ("ASoC: qcom: Fix of-node refcount unbalance in apq8016_sbc_parse_of()")
Cc: Patrick Lai <plai@...eaurora.org>
Cc: Banajit Goswami <bgoswami@...eaurora.org>
Cc: Takashi Iwai <tiwai@...e.de>
Cc: Mark Brown <broonie@...nel.org>
Cc: Sasha Levin <sashal@...nel.org>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 sound/soc/qcom/apq8016_sbc.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/sound/soc/qcom/apq8016_sbc.c
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -128,7 +128,8 @@ static struct apq8016_sbc_data *apq8016_
 		link->codec_of_node = of_parse_phandle(codec, "sound-dai", 0);
 		if (!link->codec_of_node) {
 			dev_err(card->dev, "error getting codec phandle\n");
-			return ERR_PTR(-EINVAL);
+			ret = -EINVAL;
+			goto error;
 		}
 
 		ret = snd_soc_of_get_dai_name(cpu, &link->cpu_dai_name);