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(parent: e51926c) | patch
hwmon: Prevent some divide by zeros in FAN_TO_REG()
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 12 Dec 2013 07:05:33 +0000 (08:05 +0100)
committerJean Delvare <khali@endymion.delvare>
Thu, 12 Dec 2013 07:05:33 +0000 (08:05 +0100)
commitb77b86838e3aa26158c408d238cca359bbe20be4
tree6f16fdaab2125caf51cd1c9b2fb9cd9e1eb3674ftree | snapshot
parente51926cc0813341dd24f5df7ac8b7dbd3d2f0987commit | diff
hwmon: Prevent some divide by zeros in FAN_TO_REG()

The "rpm * div" operations can overflow here, so this patch adds an
upper limit to rpm to prevent that.  Jean Delvare helped me with this
patch.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Roger Lucas <vt8231@hiddenengine.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Jean Delvare <khali@linux-fr.org>
drivers/hwmon/lm78.c diff | blob | history
drivers/hwmon/sis5595.c diff | blob | history
drivers/hwmon/vt8231.c diff | blob | history
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