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[v2,4/9] iio: adc: max1118: Make use of the helper function dev_err_probe()

Message ID 20210928013621.1245-4-caihuoqing@baidu.com (mailing list archive)
State New, archived
Headers show
Series [v2,1/9] iio: adc: ab8500-gpadc: Make use of the helper function dev_err_probe() | expand

Commit Message

Cai,Huoqing Sept. 28, 2021, 1:36 a.m. UTC
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@baidu.com>
---
 drivers/iio/adc/max1118.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
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Patch

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;