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| author | Guenter Roeck <linux@roeck-us.net> | 2016-11-20 10:37:39 -0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2016-12-09 06:09:34 -0800 |
| commit | e36ce99ee0815d7919a7b589bfb66f3de50b6bc7 (patch) | |
| tree | 288bdd6a2ec0050ea208ef2558c66c92b5960d53 /drivers/hwmon | |
| parent | 0fb620c4334eab14e85b7f66389e9061a225fb7e (diff) | |
| download | linux-e36ce99ee0815d7919a7b589bfb66f3de50b6bc7.tar.gz linux-e36ce99ee0815d7919a7b589bfb66f3de50b6bc7.tar.bz2 linux-e36ce99ee0815d7919a7b589bfb66f3de50b6bc7.zip | |
hwmon: (ds620) Fix overflows seen when writing temperature limits
Module test reports:
temp1_max: Suspected overflow: [160000 vs. 0]
temp1_min: Suspected overflow: [160000 vs. 0]
This is seen because the values passed when writing temperature limits
are unbound.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Fixes: 6099469805c2 ("hwmon: Support for Dallas Semiconductor DS620")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/ds620.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c index edf550fc4eef..0043a4c02b85 100644 --- a/drivers/hwmon/ds620.c +++ b/drivers/hwmon/ds620.c @@ -166,7 +166,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, if (res) return res; - val = (val * 10 / 625) * 8; + val = (clamp_val(val, -128000, 128000) * 10 / 625) * 8; mutex_lock(&data->update_lock); data->temp[attr->index] = val; |