Commit a318cfc0 authored by Yasin Lee's avatar Yasin Lee Committed by Jonathan Cameron
Browse files

iio: proximity: hx9023s: Protect against division by zero in set_samp_freq 



Avoid division by zero when sampling frequency is unspecified.

Fixes: 60df5482 ("iio: proximity: Add driver support for TYHX's HX9023S capacitive proximity sensor")
Signed-off-by: default avatarYasin Lee <yasin.lee.x@gmail.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 585b90c0

drivers/iio/proximity/hx9023s.c

+3 −0
Original line number Diff line number Diff line
@@ -719,6 +719,9 @@ static int hx9023s_set_samp_freq(struct hx9023s_data *data, int val, int val2) 
	struct device *dev = regmap_get_device(data->regmap);

	unsigned int i, period_ms;



	if (!val && !val2)

		return -EINVAL;



	period_ms = div_u64(NANO, (val * MEGA + val2));



	for (i = 0; i < ARRAY_SIZE(hx9023s_samp_freq_table); i++) {