[PATCH v3 17/18] iio: magnetometer: mag3110: Simplify with dev_err_probe()

[Krzysztof Kozlowski]

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and also it prints the error value.

Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
 drivers/iio/magnetometer/mag3110.c | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c
index 4d305a21c379..838b13c8bb3d 100644
--- a/drivers/iio/magnetometer/mag3110.c
+++ b/drivers/iio/magnetometer/mag3110.c
@@ -476,22 +476,14 @@ static int mag3110_probe(struct i2c_client *client,
 	data = iio_priv(indio_dev);
 
 	data->vdd_reg = devm_regulator_get(&client->dev, "vdd");
-	if (IS_ERR(data->vdd_reg)) {
-		if (PTR_ERR(data->vdd_reg) == -EPROBE_DEFER)
-			return -EPROBE_DEFER;
-
-		dev_err(&client->dev, "failed to get VDD regulator!\n");
-		return PTR_ERR(data->vdd_reg);
-	}
+	if (IS_ERR(data->vdd_reg))
+		return dev_err_probe(&client->dev, PTR_ERR(data->vdd_reg),
+				     "failed to get VDD regulator!\n");
 
 	data->vddio_reg = devm_regulator_get(&client->dev, "vddio");
-	if (IS_ERR(data->vddio_reg)) {
-		if (PTR_ERR(data->vddio_reg) == -EPROBE_DEFER)
-			return -EPROBE_DEFER;
-
-		dev_err(&client->dev, "failed to get VDDIO regulator!\n");
-		return PTR_ERR(data->vddio_reg);
-	}
+	if (IS_ERR(data->vddio_reg))
+		return dev_err_probe(&client->dev, PTR_ERR(data->vddio_reg),
+				     "failed to get VDDIO regulator!\n");
 
 	ret = regulator_enable(data->vdd_reg);
 	if (ret) {
-- 
2.17.1