Writes into voltage limit attributes can overflow due to an unbound
multiplication.
Signed-off-by: Guenter Roeck <li...@roeck-us.net>
---
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
--
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