1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 6cf6bff79003..a2f3b4a365e4 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);
 }