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hwmon: (emcw201) Fix overflows seen when writing into limit attributes
authorGuenter Roeck <linux@roeck-us.net>
Mon, 5 Dec 2016 02:20:52 +0000 (18:20 -0800)
committerGuenter Roeck <linux@roeck-us.net>
Mon, 12 Dec 2016 19:33:44 +0000 (11:33 -0800)
commit59715f4d16c27985b6866ebdced76e4e9cd63c33
tree67735f7f317298618673d75360c00079ea67593ctree | snapshot (tar.gz zip)
parentca1b10b8250247fb5f241d1cb894c102203378bbcommit | diff
hwmon: (emcw201) Fix overflows seen when writing into limit attributes

Writes into temperature and voltage limit attributes can overflow
due to multiplications with unchecked parameters. Also, the input
parameter to DIV_ROUND_CLOSEST() needis to be range checked.

Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/emc6w201.c diff | blob | blame | history