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iio: adc: ti-ads7950: Make use of the helper function dev_err_probe() 

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>
Link: https://lore.kernel.org/r/20211008092858.495-9-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Cai Huoqing 2021-10-08 17:28:57 +08:00 committed by Jonathan Cameron
parent 8f46a93bdc
commit 42351035dc
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/adc/ti-ads7950.c
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@ -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;
}