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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 <nuno.sa@analog.com>
Link: https://patch.msgid.link/20241014-fix-error-check-v1-1-089e1003d12f@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Nuno Sa 2024-10-14 17:01:21 +02:00 committed by Jonathan Cameron
parent b65249a7b3
commit b7f99fa1b6
1 changed files with 3 additions and 0 deletions
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3
drivers/iio/adc/ad7192.c
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@ -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;