From: Guenter Roeck <linux@roeck-us.net>
Date: Mon, 19 Jan 2015 17:16:53 +0000 (-0800)
Subject: hwmon: (jc42) Fix integer overflow when writing hysteresis value
X-Git-Tag: fixes-v4.0-rc1~186^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2c26f058e31619b548046b84fe2c2116cb5016f;p=pandora-kernel.git

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>
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