On Tue, 31 Oct 2017 16:21:45 +0200, Andy Shevchenko wrote:
> Since i2c_unregister_device() became NULL-aware we may remove duplicate
> NULL check.
> 
> Cc: Jean Delvare <[email protected]>
> Cc: Guenter Roeck <[email protected]>
> Cc: [email protected]
> Signed-off-by: Andy Shevchenko <[email protected]>
> ---
>  drivers/hwmon/w83792d.c | 15 +++++----------
>  1 file changed, 5 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
> index d764602d70db..76aa39e537e0 100644
> --- a/drivers/hwmon/w83792d.c
> +++ b/drivers/hwmon/w83792d.c
> @@ -981,8 +981,7 @@ w83792d_detect_subclients(struct i2c_client *new_client)
>  /* Undo inits in case of errors */
>  
>  ERROR_SC_1:
> -     if (data->lm75[0] != NULL)
> -             i2c_unregister_device(data->lm75[0]);
> +     i2c_unregister_device(data->lm75[0]);
>  ERROR_SC_0:
>       return err;
>  }
> @@ -1456,10 +1455,8 @@ w83792d_probe(struct i2c_client *client, const struct 
> i2c_device_id *id)
>       for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)
>               sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]);
>  exit_i2c_unregister:
> -     if (data->lm75[0] != NULL)
> -             i2c_unregister_device(data->lm75[0]);
> -     if (data->lm75[1] != NULL)
> -             i2c_unregister_device(data->lm75[1]);
> +     i2c_unregister_device(data->lm75[0]);
> +     i2c_unregister_device(data->lm75[1]);
>       return err;
>  }
>  
> @@ -1475,10 +1472,8 @@ w83792d_remove(struct i2c_client *client)
>               sysfs_remove_group(&client->dev.kobj,
>                                  &w83792d_group_fan[i]);
>  
> -     if (data->lm75[0] != NULL)
> -             i2c_unregister_device(data->lm75[0]);
> -     if (data->lm75[1] != NULL)
> -             i2c_unregister_device(data->lm75[1]);
> +     i2c_unregister_device(data->lm75[0]);
> +     i2c_unregister_device(data->lm75[1]);
>  
>       return 0;
>  }

Reviewed-by: Jean Delvare <[email protected]>

-- 
Jean Delvare
SUSE L3 Support
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