> +int cpu_add_sysdev_attr(struct sysdev_attribute *attr)
> +{
> + int cpu;
> +
> + mutex_lock(&cpu_mutex);
> +
> + for_each_possible_cpu(cpu) {
> + sysdev_create_file(get_cpu_sysdev(cpu), attr);
> + }
> +
> + mutex_unlock(&cpu_mutex);
> + return 0;
> +}
You probably should check for errors on sysdev_create_file, clean up and
return an error number instead of always 0.
This is true for all the new functions here.
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