[PATCH 10/10] hwmon: (w83793) Fix vrm write operation

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vrm is an u8, so the written value needs to be limited to [0, 255].

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
 drivers/hwmon/w83793.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 9d63d71..816aa6c 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -353,6 +353,9 @@ store_vrm(struct device *dev, struct device_attribute *attr,
 	if (err)
 		return err;
 
+	if (val > 255)
+		return -EINVAL;
+
 	data->vrm = val;
 	return count;
 }
-- 
1.9.1




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