iio: proximity: Remove dev_err_probe() if error is -ENOMEM

The dev_err_probe() doesn't do anything when the error is '-ENOMEM'.
Therefore, remove the useless call to dev_err_probe(), and just return the
value instead.

Signed-off-by: Xichao Zhao <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/proximity/d3323aa.c

···
 
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
 	if (!indio_dev)
-		return dev_err_probe(dev, -ENOMEM,
-				     "Could not allocate iio device\n");
+		return -ENOMEM;
 
 	data = iio_priv(indio_dev);
 	data->dev = dev;

drivers/iio/proximity/hx9023s.c

···
 						    indio_dev->name,
 						    iio_device_id(indio_dev));
 		if (!data->trig)
-			return dev_err_probe(dev, -ENOMEM,
-					     "iio trigger alloc failed\n");
+			return -ENOMEM;
 
 		data->trig->ops = &hx9023s_trigger_ops;
 		iio_trigger_set_drvdata(data->trig, indio_dev);

drivers/iio/proximity/irsd200.c

···
 
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
-		return dev_err_probe(&client->dev, -ENOMEM,
-				     "Could not allocate iio device\n");
+		return -ENOMEM;
 
 	data = iio_priv(indio_dev);
 	data->dev = &client->dev;
···
 	trigger = devm_iio_trigger_alloc(data->dev, "%s-dev%d", indio_dev->name,
 					 iio_device_id(indio_dev));
 	if (!trigger)
-		return dev_err_probe(data->dev, -ENOMEM,
-				     "Could not allocate iio trigger\n");
+		return -ENOMEM;
 
 	trigger->ops = &irsd200_trigger_ops;
 	iio_trigger_set_drvdata(trigger, data);