[PATCH v2 3/8] iio: dac: ltc1660: Make use of the helper function dev_err_probe()
From: Cai Huoqing <hidden>
Date: 2021-09-28 01:55:36
Also in:
linux-iio, lkml
Subsystem:
iio subsystem and drivers, ltc1660 dac driver, the rest · Maintainers:
Jonathan Cameron, Marcus Folkesson, 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/dac/ltc1660.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/dac/ltc1660.c b/drivers/iio/dac/ltc1660.c
index dc10188540ca..f6ec9bf5815e 100644
--- a/drivers/iio/dac/ltc1660.c
+++ b/drivers/iio/dac/ltc1660.c@@ -172,10 +172,9 @@ static int ltc1660_probe(struct spi_device *spi) } priv->vref_reg = devm_regulator_get(&spi->dev, "vref"); - if (IS_ERR(priv->vref_reg)) { - dev_err(&spi->dev, "vref regulator not specified\n"); - return PTR_ERR(priv->vref_reg); - } + if (IS_ERR(priv->vref_reg)) + return dev_err_probe(&spi->dev, PTR_ERR(priv->vref_reg), + "vref regulator not specified\n"); ret = regulator_enable(priv->vref_reg); if (ret) {
--
2.25.1
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