From: YueHaibing yuehaibing@huawei.com
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 --- drivers/iio/adc/ad7793.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -278,6 +278,7 @@ static int ad7793_setup(struct iio_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; }