On Wed, Oct 12, 2016 at 09:24:52AM +0300, Dan Carpenter wrote:
> We should only dereference "data" after we check if it is an error
> pointer.
>
> Fixes: 54187ff9d766 ('hwmon: (max31790) Convert to use new hwmon registration
> API')
> Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Applied.
Thanks,
Guenter
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>
> diff --git a/drivers/hwmon/max31790.c b/drivers/hwmon/max31790.c
> index bef84e0..c1b9275 100644
> --- a/drivers/hwmon/max31790.c
> +++ b/drivers/hwmon/max31790.c
> @@ -268,11 +268,13 @@ static int max31790_read_pwm(struct device *dev, u32
> attr, int channel,
> long *val)
> {
> struct max31790_data *data = max31790_update_device(dev);
> - u8 fan_config = data->fan_config[channel];
> + u8 fan_config;
>
> if (IS_ERR(data))
> return PTR_ERR(data);
>
> + fan_config = data->fan_config[channel];
> +
> switch (attr) {
> case hwmon_pwm_input:
> *val = data->pwm[channel] >> 8;
--
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