Check the return value of spi_setup() and propagate the error in the
ad7173_probe() function. This is unlikely to happen since virtually
every SPI controller supports SPI_MODE_3, but still always a good idea
to check the return value.

Signed-off-by: David Lechner <dlechner@baylibre.com>
---
 drivers/iio/adc/ad7173.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7173.c b/drivers/iio/adc/ad7173.c
index 69de5886474ce2f700bf277ce707b15637113564..911001be368302fb9d7d6e8da3783751fe0f61c5 100644
--- a/drivers/iio/adc/ad7173.c
+++ b/drivers/iio/adc/ad7173.c
@@ -1775,7 +1775,9 @@ static int ad7173_probe(struct spi_device *spi)
 	indio_dev->info = &ad7173_info;
 
 	spi->mode = SPI_MODE_3;
-	spi_setup(spi);
+	ret = spi_setup(spi);
+	if (ret)
+		return ret;
 
 	ret = ad_sd_init(&st->sd, indio_dev, spi, st->info->sd_info);
 	if (ret)

---
base-commit: aff301f37e220970c2f301b5c65a8bfedf52058e
change-id: 20250611-iio-adc-ad7173-check-spi_setup-return-072017235f3c

Best regards,
-- 
David Lechner <dlechner@baylibre.com>

On Wed, 11 Jun 2025 09:40:16 -0500
David Lechner <dlechner@baylibre.com> wrote:

> Check the return value of spi_setup() and propagate the error in the
> ad7173_probe() function. This is unlikely to happen since virtually
> every SPI controller supports SPI_MODE_3, but still always a good idea
> to check the return value.
> 
> Signed-off-by: David Lechner <dlechner@baylibre.com>
Applied.

> ---
>  drivers/iio/adc/ad7173.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/ad7173.c b/drivers/iio/adc/ad7173.c
> index 69de5886474ce2f700bf277ce707b15637113564..911001be368302fb9d7d6e8da3783751fe0f61c5 100644
> --- a/drivers/iio/adc/ad7173.c
> +++ b/drivers/iio/adc/ad7173.c
> @@ -1775,7 +1775,9 @@ static int ad7173_probe(struct spi_device *spi)
>  	indio_dev->info = &ad7173_info;
>  
>  	spi->mode = SPI_MODE_3;
> -	spi_setup(spi);
> +	ret = spi_setup(spi);
> +	if (ret)
> +		return ret;
>  
>  	ret = ad_sd_init(&st->sd, indio_dev, spi, st->info->sd_info);
>  	if (ret)
> 
> ---
> base-commit: aff301f37e220970c2f301b5c65a8bfedf52058e
> change-id: 20250611-iio-adc-ad7173-check-spi_setup-return-072017235f3c
> 
> Best regards,