From mboxrd@z Thu Jan 1 00:00:00 1970 From: Axel Lin Date: Wed, 06 Aug 2014 00:27:11 +0000 Subject: [lm-sensors] [PATCH 08/10] hwmon: (w83627hf) Fix vrm write operation Message-Id: <1407284831.4924.14.camel@phoenix> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lm-sensors@vger.kernel.org vrm is an u8, so the written value needs to be limited to [0, 255]. Signed-off-by: Axel Lin --- drivers/hwmon/w83627hf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index c1726be..2f55973 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -820,6 +820,9 @@ store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf err = kstrtoul(buf, 10, &val); if (err) return err; + + if (val > 255) + return -EINVAL; data->vrm = val; return count; -- 1.9.1 _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors