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-rw-r--r--drivers/hwmon/lm78.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 6cf6bff7900..a2f3b4a365e 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -94,6 +94,8 @@ static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm <= 0)
return 255;
+ if (rpm > 1350000)
+ return 1;
return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}