6.12-stable review patch. If anyone has any objections, please let me know.
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From: Nuno Sa nuno.sa@analog.com
[ Upstream commit b7f99fa1b64af2f696b13cec581cb4cd7d3982b8 ]
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.c... Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 7042ddfdfc03e..955e9eff0099e 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;