Writes into voltage limit attributes can overflow due to an unbound multiplication. Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/hwmon/lm87.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c index a5e295826aea..24f971b75e46 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -121,7 +121,7 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C }; #define IN_FROM_REG(reg, scale) (((reg) * (scale) + 96) / 192) #define IN_TO_REG(val, scale) ((val) <= 0 ? 0 : \ - (val) * 192 >= (scale) * 255 ? 255 : \ + (val) >= (scale) * 255 / 192 ? 255 : \ ((val) * 192 + (scale) / 2) / (scale)) #define TEMP_FROM_REG(reg) ((reg) * 1000) -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html