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* [PATCH] iio: adc: ad7192: properly check spi_get_device_match_data()
@ 2024-10-14 15:01 Nuno Sa
  2024-10-19 14:01 ` Jonathan Cameron
  0 siblings, 1 reply; 2+ messages in thread
From: Nuno Sa @ 2024-10-14 15:01 UTC (permalink / raw)
  To: linux-iio
  Cc: Alisa-Dariana Roman, Lars-Peter Clausen, Michael Hennerich,
	Jonathan Cameron

spi_get_device_match_data() can return a NULL pointer. Hence, let's
check for it.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
---
 drivers/iio/adc/ad7192.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index 7042ddfdfc03ee5ea58ca07fb1943feb6538175b..955e9eff0099e5c91491ca5b1f836534ac0db2f9 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -1394,6 +1394,9 @@ static int ad7192_probe(struct spi_device *spi)
 	st->int_vref_mv = ret == -ENODEV ? avdd_mv : ret / MILLI;
 
 	st->chip_info = spi_get_device_match_data(spi);
+	if (!st->chip_info)
+		return -ENODEV;
+
 	indio_dev->name = st->chip_info->name;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->info = st->chip_info->info;

---
base-commit: 465644ac29536d10178b5ca4684d0b84765b9fa4
change-id: 20241014-fix-error-check-d34fde9780a2
--

Thanks!
- Nuno Sá


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2024-10-14 15:01 [PATCH] iio: adc: ad7192: properly check spi_get_device_match_data() Nuno Sa
2024-10-19 14:01 ` Jonathan Cameron

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