From 2f3196d27e3bfcee0569d23a123aedcc6ddd39f1 Mon Sep 17 00:00:00 2001 From: Jiale Yao Date: Fri, 25 Sep 2026 21:17:33 +0800 Subject: [PATCH] iio: frequency: adf4377: reject devices without match data A device bound through driver_override need not match an entry in the driver tables. In that case spi_get_device_match_data() returns NULL, but the result is later dereferenced by the property parsing and initialization paths. Reject devices without match data before continuing probe. Fixes: 6140a92cd086 ("iio: frequency: adf4377: add adf4378 support") Signed-off-by: Jiale Yao Cc: stable@vger.kernel.org Signed-off-by: Jonathan Cameron --- drivers/iio/frequency/adf4377.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iio/frequency/adf4377.c b/drivers/iio/frequency/adf4377.c index 4dd19a9aa994..d1e5bb062474 100644 --- a/drivers/iio/frequency/adf4377.c +++ b/drivers/iio/frequency/adf4377.c @@ -1060,6 +1060,9 @@ static int adf4377_probe(struct spi_device *spi) st->regmap = regmap; st->spi = spi; st->chip_info = spi_get_device_match_data(spi); + if (!st->chip_info) + return -ENODATA; + mutex_init(&st->lock); ret = adf4377_properties_parse(st);