tree 889f1f0e0b4c96ca91eb35972d5afa1131022c19
parent 3a05633b042fb4aea65b09ce2d0d43689df6eb9a
author Guenter Roeck <linux@roeck-us.net> 1421687813 -0800
committer Guenter Roeck <linux@roeck-us.net> 1422249839 -0800

hwmon: (jc42) Fix integer overflow when writing hysteresis value

Subtracting an unsigned long from a signed value causes an overflow with large
values. Use clamp_val() to reduce the number range prior to subtracting it
from the temperature limit.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>