[PATCH 1/4] iio:accel: call device unregister function if common_proble fails

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If st_accel_common_probe function fails, the device must be unregistered.
Used devm_iio_device_unregister function instead of iio_device_unregister
also in the common remove function.

Signed-off-by: Denis Ciocca <denis.ciocca@xxxxxx>
---
 drivers/iio/accel/st_accel_core.c | 2 +-
 drivers/iio/accel/st_accel_i2c.c  | 6 +++++-
 drivers/iio/accel/st_accel_spi.c  | 6 +++++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
index 38caedc..72d560f 100644
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -512,7 +512,7 @@ void st_accel_common_remove(struct iio_dev *indio_dev)
 {
 	struct st_sensor_data *adata = iio_priv(indio_dev);
 
-	iio_device_unregister(indio_dev);
+	devm_iio_device_unregister(adata->dev, indio_dev);
 	if (adata->get_irq_data_ready(indio_dev) > 0)
 		st_sensors_deallocate_trigger(indio_dev);
 
diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
index d7bedbd..a31473d 100644
--- a/drivers/iio/accel/st_accel_i2c.c
+++ b/drivers/iio/accel/st_accel_i2c.c
@@ -36,9 +36,13 @@ static int st_accel_i2c_probe(struct i2c_client *client,
 
 	err = st_accel_common_probe(indio_dev, client->dev.platform_data);
 	if (err < 0)
-		return err;
+		goto device_unregister;
 
 	return 0;
+
+device_unregister:
+	devm_iio_device_unregister(&client->dev, indio_dev);
+	return err;
 }
 
 static int st_accel_i2c_remove(struct i2c_client *client)
diff --git a/drivers/iio/accel/st_accel_spi.c b/drivers/iio/accel/st_accel_spi.c
index 1956396..e687722 100644
--- a/drivers/iio/accel/st_accel_spi.c
+++ b/drivers/iio/accel/st_accel_spi.c
@@ -35,9 +35,13 @@ static int st_accel_spi_probe(struct spi_device *spi)
 
 	err = st_accel_common_probe(indio_dev, spi->dev.platform_data);
 	if (err < 0)
-		return err;
+		goto device_unregister;
 
 	return 0;
+
+device_unregister:
+	devm_iio_device_unregister(&spi->dev, indio_dev);
+	return err;
 }
 
 static int st_accel_spi_remove(struct spi_device *spi)
-- 
1.8.5.4

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