diff mbox series

[v4,3/5] iio: light: al3320a: Fix an error handling path in al3320a_probe()

Message ID 20250402-al3010-iio-regmap-v4-3-d189bea87261@ixit.cz (mailing list archive)
State New
Headers show
Series iio: light: Modernize al3010 and al3320a codebase | expand

Commit Message

David Heidelberg April 2, 2025, 7:33 p.m. UTC 
From: David Heidelberg <david@ixit.cz>

If regmap_write() fails in al3320a_init(), al3320a_set_pwr_off is
not called.

In order to avoid such a situation, move the devm_add_action_or_reset()
which calls al3320a_set_pwr_off right after a successful
al3320a_set_pwr_on.

Signed-off-by: David Heidelberg <david@ixit.cz>
---
 drivers/iio/light/al3320a.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c
index 1b2b0359ed5dad5e00d2fe584f8f3495c13c997e..1fa693d54ae2a6e5ead3a9c7ac7018afeba9b760 100644
--- a/drivers/iio/light/al3320a.c
+++ b/drivers/iio/light/al3320a.c
@@ -101,6 +101,12 @@  static int al3320a_init(struct al3320a_data *data)
 	if (ret < 0)
 		return ret;
 
+	ret = devm_add_action_or_reset(&data->client->dev,
+				       al3320a_set_pwr_off,
+				       data);
+	if (ret)
+		return dev_err_probe(&data->client->dev, ret, "failed to add action\n");
+
 	ret = i2c_smbus_write_byte_data(data->client, AL3320A_REG_CONFIG_RANGE,
 					FIELD_PREP(AL3320A_GAIN_MASK,
 						   AL3320A_RANGE_3));
@@ -211,10 +217,6 @@  static int al3320a_probe(struct i2c_client *client)
 		return ret;
 	}
 
-	ret = devm_add_action_or_reset(dev, al3320a_set_pwr_off, data);
-	if (ret < 0)
-		return ret;
-
 	return devm_iio_device_register(dev, indio_dev);
 }