Liam Beguin 9f4fffc2ab iio: afe: rescale: use s64 for temporary scale calculations ...

commit 51593106b6 upstream.

All four scaling coefficients can take signed values.
Make tmp a signed 64-bit integer and switch to div_s64() to preserve
signs during 64-bit divisions.

Fixes: 8b74816b5a ("iio: afe: rescale: new driver")
Signed-off-by: Liam Beguin <liambeguin@gmail.com>
Reviewed-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220108205319.2046348-5-liambeguin@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>

2022-04-08 14:39:49 +02:00

..

iio-rescale.c

iio: afe: rescale: use s64 for temporary scale calculations

2022-04-08 14:39:49 +02:00

Kconfig

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Makefile

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