From 4ed243b1da169bcbc1ec5507867e56250c5f1ff9 Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Fri, 14 May 2021 16:02:54 +0800 Subject: [PATCH] iio: adc: ad7793: Add missing error code in ad7793_setup() 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 Cc: Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ad7793.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index 5e980a06258e..440ef4c7be07 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -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; }