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authorJean Delvare <khali@linux-fr.org>2007-09-26 16:16:56 -0400
committerMark M. Hoffman <mhoffman@lightlink.com>2007-10-09 22:56:31 -0400
commitb965d4b7f614522170af6a7e450be0333792ccd2 (patch)
tree31f8ae8e50239905627687e454bb3c1f2cac30f1 /drivers/hwmon
parent428a7039c5717695935b946af9413e59f68928a4 (diff)
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 <khali@linux-fr.org> Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl> Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/lm87.c2
1 files changed, 1 insertions, 1 deletions
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 };
129 (((val) < 0 ? (val)-500 : (val)+500) / 1000)) 129 (((val) < 0 ? (val)-500 : (val)+500) / 1000))
130 130
131#define FAN_FROM_REG(reg,div) ((reg) == 255 || (reg) == 0 ? 0 : \ 131#define FAN_FROM_REG(reg,div) ((reg) == 255 || (reg) == 0 ? 0 : \
132 1350000 + (reg)*(div) / 2) / ((reg)*(div)) 132 (1350000 + (reg)*(div) / 2) / ((reg)*(div)))
133#define FAN_TO_REG(val,div) ((val)*(div) * 255 <= 1350000 ? 255 : \ 133#define FAN_TO_REG(val,div) ((val)*(div) * 255 <= 1350000 ? 255 : \
134 (1350000 + (val)*(div) / 2) / ((val)*(div))) 134 (1350000 + (val)*(div) / 2) / ((val)*(div)))
135 135