iio: adc: stm32-dfsdm: add check on max filter id

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reg property should be checked against number of available filters.
BTW, dfsdm->num_fls wasn't used. But it can be used for this purpose.
This prevents using data out of allocated dfsdm->fl_list array.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Fabrice Gasnier 2018-02-23 13:51:00 +01:00 • committed by Jonathan Cameron

parent c620da3ab3

commit dfa105b1f6

1 changed files with 2 additions and 2 deletions

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drivers/iio/adc/stm32-dfsdm-adc.c

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