Re: [PATCH v3 2/2] PM / devfreq: Add governor attribute flag for specifc sysfs nodes

[Dmitry Osipenko]

...
> @@ -1361,6 +1373,9 @@ static ssize_t governor_store(struct device *dev, struct device_attribute *attr,
>  		goto out;
>  	}
>  
> +	remove_sysfs_files(df, df->governor);
> +	create_sysfs_files(df, governor);
> +
>  	prev_governor = df->governor;
>  	df->governor = governor;
>  	strncpy(df->governor_name, governor->name, DEVFREQ_NAME_LEN);
> @@ -1460,39 +1475,6 @@ static ssize_t target_freq_show(struct device *dev,
>  }

The further code may revert df->governor to the prev_governor or set it
to NULL. The create_sysfs_files(df->governor) should be invoked at the
very end of the governor_store() and only in a case of success.