This is a note to let you know that I've just added the patch titled
iio: adc: ad7192: properly check spi_get_device_match_data()
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iio-adc-ad7192-properly-check-spi_get_device_match_d.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 26f3ccd0be7348ec261a5bf86ee500214c3c43b5
Author: Nuno Sa <nuno.sa@xxxxxxxxxx>
Date: Mon Oct 14 17:01:21 2024 +0200
iio: adc: ad7192: properly check spi_get_device_match_data()
[ 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@xxxxxxxxxx>
Link: https://patch.msgid.link/20241014-fix-error-check-v1-1-089e1003d12f@xxxxxxxxxx
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index ecaf87af539b..fa6810aa6a4a 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -1039,6 +1039,9 @@ static int ad7192_probe(struct spi_device *spi)
st->int_vref_mv = ret / 1000;
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;
