From b965d4b7f614522170af6a7e450be0333792ccd2 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Wed, 26 Sep 2007 22:16:56 +0200 Subject: [PATCH] hwmon: (lm87) Fix a division by zero Missing parentheses in the definition of FAN_FROM_REG cause a division by zero for a specific register value. Signed-off-by: Jean Delvare Acked-by: Hans de Goede Signed-off-by: Mark M. Hoffman --- 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 e60076e8b597..ef8a9b251cd8 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -129,7 +129,7 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C }; (((val) < 0 ? (val)-500 : (val)+500) / 1000)) #define FAN_FROM_REG(reg,div) ((reg) == 255 || (reg) == 0 ? 0 : \ - 1350000 + (reg)*(div) / 2) / ((reg)*(div)) + (1350000 + (reg)*(div) / 2) / ((reg)*(div))) #define FAN_TO_REG(val,div) ((val)*(div) * 255 <= 1350000 ? 255 : \ (1350000 + (val)*(div) / 2) / ((val)*(div))) -- 2.30.2