[PATCH v2 4/9] iio: adc: max1118: Make use of the helper function dev_err_probe()
From: Cai Huoqing <hidden>
Date: 2021-09-28 01:36:51
Also in:
linux-amlogic, linux-arm-msm, linux-iio, linux-rockchip, lkml
Subsystem:
iio subsystem and drivers, the rest · Maintainers:
Jonathan Cameron, Linus Torvalds
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 <redacted> --- drivers/iio/adc/max1118.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/adc/max1118.c b/drivers/iio/adc/max1118.c
index 8cec9d949083..a41bc570be21 100644
--- a/drivers/iio/adc/max1118.c
+++ b/drivers/iio/adc/max1118.c@@ -221,10 +221,9 @@ static int max1118_probe(struct spi_device *spi) if (id->driver_data == max1118) { adc->reg = devm_regulator_get(&spi->dev, "vref"); - if (IS_ERR(adc->reg)) { - dev_err(&spi->dev, "failed to get vref regulator\n"); - return PTR_ERR(adc->reg); - } + if (IS_ERR(adc->reg)) + return dev_err_probe(&spi->dev, PTR_ERR(adc->reg), + "failed to get vref regulator\n"); ret = regulator_enable(adc->reg); if (ret) return ret;
--
2.25.1
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