[PATCH v2] ASoC: codecs: Fix an error handling path in (rx|tx|va)_macro_probe()

From: Christophe JAILLET
Date: Sun Apr 03 2022 - 02:58:42 EST


After a successful lpass_macro_pds_init() call, lpass_macro_pds_exit() must
be called.

Add the missing call in the error handling path of the probe function and
use it.

Fixes: 9e3d83c52844 ("ASoC: codecs: Add power domains support in digital macro codecs")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
Maybe some lpass_macro_pds_init() calls could be moved in order to simplify
some error handling paths. This would avoid the
s/return/ret = <error>; goto err;/ introduced in this patch.
However I'm always reluctant to shuffle code because it sometimes introduce
some subtle bugs. So I've left it as-is.
Let me know the right direction.
---
sound/soc/codecs/lpass-rx-macro.c | 14 ++++++++++----
sound/soc/codecs/lpass-tx-macro.c | 14 ++++++++++----
sound/soc/codecs/lpass-va-macro.c | 8 ++++++--
3 files changed, 26 insertions(+), 10 deletions(-)

diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c
index 6884ae505e33..3143f9cd7277 100644
--- a/sound/soc/codecs/lpass-rx-macro.c
+++ b/sound/soc/codecs/lpass-rx-macro.c
@@ -3566,12 +3566,16 @@ static int rx_macro_probe(struct platform_device *pdev)
return PTR_ERR(rx->pds);

base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
+ if (IS_ERR(base)) {
+ ret = PTR_ERR(base);
+ goto err;
+ }

rx->regmap = devm_regmap_init_mmio(dev, base, &rx_regmap_config);
- if (IS_ERR(rx->regmap))
- return PTR_ERR(rx->regmap);
+ if (IS_ERR(rx->regmap)) {
+ ret = PTR_ERR(rx->regmap);
+ goto err;
+ }

dev_set_drvdata(dev, rx);

@@ -3632,6 +3636,8 @@ static int rx_macro_probe(struct platform_device *pdev)
err_dcodec:
clk_disable_unprepare(rx->macro);
err:
+ lpass_macro_pds_exit(rx->pds);
+
return ret;
}

diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c
index 714a411d5337..55503ba480bb 100644
--- a/sound/soc/codecs/lpass-tx-macro.c
+++ b/sound/soc/codecs/lpass-tx-macro.c
@@ -1828,8 +1828,10 @@ static int tx_macro_probe(struct platform_device *pdev)
return PTR_ERR(tx->pds);

base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base))
- return PTR_ERR(base);
+ if (IS_ERR(base)) {
+ ret = PTR_ERR(base);
+ goto err;
+ }

/* Update defaults for lpass sc7280 */
if (of_device_is_compatible(np, "qcom,sc7280-lpass-tx-macro")) {
@@ -1846,8 +1848,10 @@ static int tx_macro_probe(struct platform_device *pdev)
}

tx->regmap = devm_regmap_init_mmio(dev, base, &tx_regmap_config);
- if (IS_ERR(tx->regmap))
- return PTR_ERR(tx->regmap);
+ if (IS_ERR(tx->regmap)) {
+ ret = PTR_ERR(tx->regmap);
+ goto err;
+ }

dev_set_drvdata(dev, tx);

@@ -1907,6 +1911,8 @@ static int tx_macro_probe(struct platform_device *pdev)
err_dcodec:
clk_disable_unprepare(tx->macro);
err:
+ lpass_macro_pds_exit(tx->pds);
+
return ret;
}

diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c
index f3cb596058e0..d18b56e60433 100644
--- a/sound/soc/codecs/lpass-va-macro.c
+++ b/sound/soc/codecs/lpass-va-macro.c
@@ -1434,8 +1434,10 @@ static int va_macro_probe(struct platform_device *pdev)
va->dmic_clk_div = VA_MACRO_CLK_DIV_2;
} else {
ret = va_macro_validate_dmic_sample_rate(sample_rate, va);
- if (!ret)
- return -EINVAL;
+ if (!ret) {
+ ret = -EINVAL;
+ goto err;
+ }
}

base = devm_platform_ioremap_resource(pdev, 0);
@@ -1492,6 +1494,8 @@ static int va_macro_probe(struct platform_device *pdev)
err_dcodec:
clk_disable_unprepare(va->macro);
err:
+ lpass_macro_pds_exit(va->pds);
+
return ret;
}

--
2.32.0