diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2016-12-04 18:19:51 -0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2016-12-12 11:33:43 -0800 |
| commit | ca1b10b8250247fb5f241d1cb894c102203378bb (patch) | |
| tree | 0f6621899fc6c0fcadd0a5886e36a2cd9f7f34e1 /drivers/hwmon | |
| parent | 67b2003485ee48dcfcb5338171defa4093bba02e (diff) | |
| download | blackbird-op-linux-ca1b10b8250247fb5f241d1cb894c102203378bb.tar.gz blackbird-op-linux-ca1b10b8250247fb5f241d1cb894c102203378bb.zip | |
hwmon: (emc2103) Fix overflows seen when temperature limit attributes
Writes into temperature limit attributes can overflow due to unbound
values passed to DIV_ROUND_CLOSEST().
Cc: Steve Glendinning <steve.glendinning@shawell.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/emc2103.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c index 24e395c5907d..4b870ee9b0d3 100644 --- a/drivers/hwmon/emc2103.c +++ b/drivers/hwmon/emc2103.c @@ -251,7 +251,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *da, if (result < 0) return result; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -63000, 127000), 1000); mutex_lock(&data->update_lock); data->temp_min[nr] = val; @@ -273,7 +273,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *da, if (result < 0) return result; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -63000, 127000), 1000); mutex_lock(&data->update_lock); data->temp_max[nr] = val; |
