[patch 05/40] hwmon/lm87: Fix a division by zero

[Greg Kroah-Hartman]

-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Jean Delvare <khali@xxxxxxxxxxxx>

Already in Linus' tree:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b965d4b7f614522170af6a7e450be0333792ccd2

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@xxxxxxxxxxxx>
Acked-by: Hans de Goede <j.w.r.degoede@xxxxxx>
Signed-off-by: Mark M. Hoffman <mhoffman@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/hwmon/lm87.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -129,7 +129,7 @@ static u8 LM87_REG_TEMP_LOW[3] = { 0x3A,
 				 (((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)))
 

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