Unverified Commit f822c175 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11862 hwmon: (w83627ehf) Fix underflows seen when writing limit attributes 

Merge Pull Request from: @ci-robot 
 
PR sync from: Tong Tiangen <tongtiangen@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/IQ7ZMU4ESSG6JQZK2XZGWZURVALILIHE/ 
 
https://gitee.com/src-openeuler/kernel/issues/IARX5F 
 
Link:https://gitee.com/openeuler/kernel/pulls/11862

 

Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 2e95e7ba 071990e8

drivers/hwmon/w83627ehf.c

+2 −2
Original line number Diff line number Diff line
@@ -895,7 +895,7 @@ store_target_temp(struct device *dev, struct device_attribute *attr, 
	if (err < 0)

		return err;



	val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 127);

	val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 127000), 1000);



	mutex_lock(&data->update_lock);

	data->target_temp[nr] = val;
@@ -920,7 +920,7 @@ store_tolerance(struct device *dev, struct device_attribute *attr, 
		return err;



	/* Limit the temp to 0C - 15C */

	val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 15);

	val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 15000), 1000);



	mutex_lock(&data->update_lock);

	reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]);