git.ipfire.org Git - people/ms/linux.git/commit

author	Dan Carpenter <dan.carpenter@oracle.com>
	Thu, 12 Dec 2013 07:05:33 +0000 (08:05 +0100)
committer	Ben Hutchings <ben@decadent.org.uk>
	Fri, 3 Jan 2014 04:33:30 +0000 (04:33 +0000)
commit	cf3f5a3dbf78b72541dc9f295101cb90a5465d5c
tree	3c8699fb0d4476eb04e8ca8b62596823fbe573b0	tree \| snapshot
parent	362ab737e651f41282a979b9275717537b99451d	commit \| diff

hwmon: Prevent some divide by zeros in FAN_TO_REG()

commit 3806b45ba4655147a011df03242cc197ab986c43 upstream.

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>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

drivers/hwmon/lm78.c		diff \| blob \| blame \| history
drivers/hwmon/sis5595.c		diff \| blob \| blame \| history
drivers/hwmon/vt8231.c		diff \| blob \| blame \| history