From: Axel Lin <axel.lin@ingics.com>
To: lm-sensors@vger.kernel.org
Subject: [lm-sensors] [PATCH 06/10] hwmon: (pc87360) Fix vrm write operation
Date: Wed, 06 Aug 2014 00:24:54 +0000 [thread overview]
Message-ID: <1407284694.4924.11.camel@phoenix> (raw)
vrm is an u8, so the written value needs to be limited to [0, 255].
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/hwmon/pc87360.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 988181e..145f674 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -615,6 +615,9 @@ static ssize_t set_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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