[PATCH 2/3] iio: light: isl29018: Use dev_err_probe() to simplify error handling

[Anson Huang]

dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
 drivers/iio/light/isl29018.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/light/isl29018.c b/drivers/iio/light/isl29018.c
index ac8ad0f..2689867 100644
--- a/drivers/iio/light/isl29018.c
+++ b/drivers/iio/light/isl29018.c
@@ -746,12 +746,9 @@ static int isl29018_probe(struct i2c_client *client,
 	chip->suspended = false;
 
 	chip->vcc_reg = devm_regulator_get(&client->dev, "vcc");
-	if (IS_ERR(chip->vcc_reg)) {
-		err = PTR_ERR(chip->vcc_reg);
-		if (err != -EPROBE_DEFER)
-			dev_err(&client->dev, "failed to get VCC regulator!\n");
-		return err;
-	}
+	if (IS_ERR(chip->vcc_reg))
+		return dev_err_probe(&client->dev, PTR_ERR(chip->vcc_reg),
+				     "failed to get VCC regulator!\n");
 
 	err = regulator_enable(chip->vcc_reg);
 	if (err) {
-- 
2.7.4