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iio: imu: adis16400: validate SPI match data

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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 adis16400_probe() immediately dereferences the result.

Validate the match data before it is used.

Fixes: 2ef920e0e5 ("iio: imu: adis16400: Use separate structures rather than an array for chip info")
Signed-off-by: Jiale Yao <yaojiale02@163.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
This commit is contained in:
Jiale Yao 2026-09-25 21:17:34 +08:00 committed by Jonathan Cameron
parent 2f3196d27e
commit 2c01a0a1c5
1 changed files with 3 additions and 0 deletions
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3
drivers/iio/imu/adis16400.c
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@ -1153,6 +1153,9 @@ static int adis16400_probe(struct spi_device *spi)
/* setup the industrialio driver allocated elements */
st->variant = spi_get_device_match_data(spi);
if (!st->variant)
return -ENODATA;
indio_dev->name = spi_get_device_id(spi)->name;
indio_dev->channels = st->variant->channels;
indio_dev->num_channels = st->variant->num_channels;