iio: adc: ad7192: properly check spi_get_device_match_data()

spi_get_device_match_data() can return a NULL pointer. Hence, let's check for it. Signed-off-by: Nuno Sa <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jonathan Cameron <[email protected]>
sedwards · Oct 21, 2024 · b7f99fa · b7f99fa
1 parent b65249a
commit b7f99fa
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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;