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-rw-r--r--drivers/hwmon/max6697.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c
index b28b7b9448aa..05085646ba99 100644
--- a/drivers/hwmon/max6697.c
+++ b/drivers/hwmon/max6697.c
@@ -311,6 +311,7 @@ static ssize_t temp_store(struct device *dev,
return ret;
mutex_lock(&data->update_lock);
+ temp = clamp_val(temp, -1000000, 1000000); /* prevent underflow */
temp = DIV_ROUND_CLOSEST(temp, 1000) + data->temp_offset;
temp = clamp_val(temp, 0, data->type == max6581 ? 255 : 127);
data->temp[nr][index] = temp;