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iio: adc: mp2629: fix potential array out of bound access

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commit ca1547ab15 upstream.

Add sentinel at end of maps to avoid potential array out of
bound access in iio core.

Fixes: 7abd9fb646 ("iio: adc: mp2629: Add support for mp2629 ADC driver")
Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
Link: https://lore.kernel.org/r/20221029093000.45451-4-sravanhome@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Saravanan Sekar 2022-10-29 11:29:55 +02:00 committed by Greg Kroah-Hartman
parent bd22c232ea
commit 1678d4abb2
1 changed files with 2 additions and 1 deletions
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3
drivers/iio/adc/mp2629_adc.c
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@ -56,7 +56,8 @@ static struct iio_map mp2629_adc_maps[] = {
MP2629_MAP(SYSTEM_VOLT, "system-volt"),
MP2629_MAP(INPUT_VOLT, "input-volt"),
MP2629_MAP(BATT_CURRENT, "batt-current"),
MP2629_MAP(INPUT_CURRENT, "input-current")
MP2629_MAP(INPUT_CURRENT, "input-current"),
{ }
};
static int mp2629_read_raw(struct iio_dev *indio_dev,