hwmon: (adt7410) handle errors from adt7410_update_device()
Smatch complains that adt7410_update_device() can return error pointers. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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@ -236,9 +236,14 @@ static ssize_t adt7410_show_t_hyst(struct device *dev,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct adt7410_data *data = adt7410_update_device(dev);
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struct adt7410_data *data;
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int nr = attr->index;
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int hyst = (data->hyst & ADT7410_T_HYST_MASK) * 1000;
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int hyst;
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data = adt7410_update_device(dev);
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if (IS_ERR(data))
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return PTR_ERR(data);
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hyst = (data->hyst & ADT7410_T_HYST_MASK) * 1000;
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/*
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* hysteresis is stored as a 4 bit offset in the device, convert it
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