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From: Charles Keepax <ckeepax@opensource.cirrus.com>
To: <broonie@kernel.org>
Cc: pierre-louis.bossart@linux.intel.com,
	alsa-devel@alsa-project.org, patches@opensource.cirrus.com,
	lgirdwood@gmail.com, james.schulman@cirrus.com,
	david.rhodes@cirrus.com
Subject: [PATCH 3/3] ASoC: cs42l52: Minor tidy up of error paths
Date: Tue, 11 May 2021 11:10:51 +0100	[thread overview]
Message-ID: <20210511101051.17726-3-ckeepax@opensource.cirrus.com> (raw)
In-Reply-To: <20210511101051.17726-1-ckeepax@opensource.cirrus.com>

Fixup a needlessly initialised variable and an unchecked return
value.

Reported-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
---
 sound/soc/codecs/cs42l52.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 796b894c390fe..88547e2cd53dc 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -1093,7 +1093,7 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
 	struct cs42l52_private *cs42l52;
 	struct cs42l52_platform_data *pdata = dev_get_platdata(&i2c_client->dev);
 	int ret;
-	unsigned int devid = 0;
+	unsigned int devid;
 	unsigned int reg;
 	u32 val32;
 
@@ -1163,6 +1163,11 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
 			 ret);
 
 	ret = regmap_read(cs42l52->regmap, CS42L52_CHIP, &reg);
+	if (ret) {
+		dev_err(&i2c_client->dev, "Failed to read chip ID: %d\n", ret);
+		return ret;
+	}
+
 	devid = reg & CS42L52_CHIP_ID_MASK;
 	if (devid != CS42L52_CHIP_ID) {
 		ret = -ENODEV;
@@ -1199,11 +1204,8 @@ static int cs42l52_i2c_probe(struct i2c_client *i2c_client,
 				   CS42L52_IFACE_CTL2_BIAS_LVL,
 				cs42l52->pdata.micbias_lvl);
 
-	ret =  devm_snd_soc_register_component(&i2c_client->dev,
+	return devm_snd_soc_register_component(&i2c_client->dev,
 			&soc_component_dev_cs42l52, &cs42l52_dai, 1);
-	if (ret < 0)
-		return ret;
-	return 0;
 }
 
 static const struct of_device_id cs42l52_of_match[] = {
-- 
2.11.0


  parent reply	other threads:[~2021-05-11 10:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-11 10:10 [PATCH 1/3] ASoC: cs35l36: Remove unneeded variable initialisation Charles Keepax
2021-05-11 10:10 ` [PATCH 2/3] ASoC: cs4265: Minor tidy up of error paths Charles Keepax
2021-05-11 10:10 ` Charles Keepax [this message]
2021-05-11 16:31 ` [PATCH 1/3] ASoC: cs35l36: Remove unneeded variable initialisation Pierre-Louis Bossart
2021-05-11 18:21 ` Mark Brown

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