[PATCH 9/9] iio: adc: ti-ads7950: Make use of the helper function dev_err_probe()

From: Cai Huoqing
Date: Mon Sep 27 2021 - 04:15:44 EST


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/adc/ti-ads7950.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c
index a2b83f0bd526..a7efa3eada2c 100644
--- a/drivers/iio/adc/ti-ads7950.c
+++ b/drivers/iio/adc/ti-ads7950.c
@@ -600,8 +600,8 @@ static int ti_ads7950_probe(struct spi_device *spi)

st->reg = devm_regulator_get(&spi->dev, "vref");
if (IS_ERR(st->reg)) {
- dev_err(&spi->dev, "Failed to get regulator \"vref\"\n");
- ret = PTR_ERR(st->reg);
+ ret = dev_err_probe(&spi->dev, PTR_ERR(st->reg),
+ "Failed to get regulator \"vref\"\n");
goto error_destroy_mutex;
}

--
2.25.1