When possible use dev_err_probe help to properly deal with the PROBE_DEFER error, the benefit is that DEFER issue will be logged in the devices_deferred debugfs file. Using dev_err_probe() can reduce code size, and the error value gets printed. Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx> --- drivers/iio/light/gp2ap002.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/iio/light/gp2ap002.c b/drivers/iio/light/gp2ap002.c index f960be7d4001..724a3928ead1 100644 --- a/drivers/iio/light/gp2ap002.c +++ b/drivers/iio/light/gp2ap002.c @@ -521,15 +521,14 @@ static int gp2ap002_probe(struct i2c_client *client, } gp2ap002->vdd = devm_regulator_get(dev, "vdd"); - if (IS_ERR(gp2ap002->vdd)) { - dev_err(dev, "failed to get VDD regulator\n"); - return PTR_ERR(gp2ap002->vdd); - } + if (IS_ERR(gp2ap002->vdd)) + return dev_err_probe(dev, PTR_ERR(gp2ap002->vdd), + "failed to get VDD regulator\n"); + gp2ap002->vio = devm_regulator_get(dev, "vio"); - if (IS_ERR(gp2ap002->vio)) { - dev_err(dev, "failed to get VIO regulator\n"); - return PTR_ERR(gp2ap002->vio); - } + if (IS_ERR(gp2ap002->vio)) + return dev_err_probe(dev, PTR_ERR(gp2ap002->vio), + "failed to get VIO regulator\n"); /* Operating voltage 2.4V .. 3.6V according to datasheet */ ret = regulator_set_voltage(gp2ap002->vdd, 2400000, 3600000); -- 2.25.1