iio: adc: ad7793: Add missing error code in ad7793_setup()

commit 4ed243b1da169bcbc1ec5507867e56250c5f1ff9 upstream.

Set error code while device ID query failed.

Fixes: 88bc30548aae ("IIO: ADC: New driver for AD7792/AD7793 3 Channel SPI ADC")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
YueHaibing 2021-05-14 16:02:54 +08:00 committed by Greg Kroah-Hartman
parent bd298334bf
commit e07d428970

View File

@ -279,6 +279,7 @@ static int ad7793_setup(struct iio_dev *indio_dev,
id &= AD7793_ID_MASK;
if (id != st->chip_info->id) {
ret = -ENODEV;
dev_err(&st->sd.spi->dev, "device ID query failed\n");
goto out;
}