> -----Original Message-----
> From: Dan Carpenter [mailto:[email protected]]
> Sent: Tuesday, October 24, 2017 12:48 PM
> To: Jean Delvare <[email protected]>; Vadim Pasternak
> <[email protected]>
> Cc: Guenter Roeck <[email protected]>; [email protected];
> [email protected]
> Subject: [PATCH] hwmon: (max6621) Inverted if condition in max6621_read()
> 
> We intended to test for failure here but accidentally tested for success.  It
> means that we don't set "*val" to true and it means that if
> i2c_smbus_write_byte() does fail then we return success.
> 
> Fixes: e7895864b0d7 ("hwmon: (max6621) Add support for Maxim MAX6621
> temperature sensor")
> Signed-off-by: Dan Carpenter <[email protected]>

Acked-by: Vadim Pasternak <[email protected]>

> 
> diff --git a/drivers/hwmon/max6621.c b/drivers/hwmon/max6621.c index
> 22079ec29660..35555f0eefb9 100644
> --- a/drivers/hwmon/max6621.c
> +++ b/drivers/hwmon/max6621.c
> @@ -296,7 +296,7 @@ max6621_read(struct device *dev, enum
> hwmon_sensor_types type, u32 attr,
>                       if (regval) {
>                               ret = i2c_smbus_write_byte(data->client,
> 
>       MAX6621_CLEAR_ALERT_REG);
> -                             if (!ret)
> +                             if (ret)
>                                       return ret;
>                       }
> 
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