linux-kernel - [PATCH 4.19 105/287] ASoC: wm2000: fix missing clk_disable_unprepare() on error in wm2000_anc

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Message-Id: <20220613094927.062242650@linuxfoundation.org>
Date:   Mon, 13 Jun 2022 12:08:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yang Yingliang <yangyingliang@...wei.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 105/287] ASoC: wm2000: fix missing clk_disable_unprepare() on error in wm2000_anc_transition()

From: Yang Yingliang <yangyingliang@...wei.com>

[ Upstream commit be2af740e2a9c7134f2d8ab4f104006e110b13de ]

Fix the missing clk_disable_unprepare() before return
from wm2000_anc_transition() in the error handling case.

Fixes: 514cfd6dd725 ("ASoC: wm2000: Integrate with clock API")
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
Acked-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
Link: https://lore.kernel.org/r/20220514091053.686416-1-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/wm2000.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c
index c5ae07234a00..cad39f63b763 100644
--- a/sound/soc/codecs/wm2000.c
+++ b/sound/soc/codecs/wm2000.c
@@ -545,7 +545,7 @@ static int wm2000_anc_transition(struct wm2000_priv *wm2000,
 {
 	struct i2c_client *i2c = wm2000->i2c;
 	int i, j;
-	int ret;
+	int ret = 0;
 
 	if (wm2000->anc_mode == mode)
 		return 0;
@@ -575,13 +575,13 @@ static int wm2000_anc_transition(struct wm2000_priv *wm2000,
 		ret = anc_transitions[i].step[j](i2c,
 						 anc_transitions[i].analogue);
 		if (ret != 0)
-			return ret;
+			break;
 	}
 
 	if (anc_transitions[i].dest == ANC_OFF)
 		clk_disable_unprepare(wm2000->mclk);
 
-	return 0;
+	return ret;
 }
 
 static int wm2000_anc_set_mode(struct wm2000_priv *wm2000)
-- 
2.35.1