static void ne_teardown_cpu_pool()

in drivers/virt/nitro_enclaves/ne_misc_dev.c [470:503]

• 26 lines of code
• 4 McCabe index (conditional complexity)

static void ne_teardown_cpu_pool(void)
{
	unsigned int cpu = 0;
	unsigned int i = 0;
	int rc = -EINVAL;

	mutex_lock(&ne_cpu_pool.mutex);

	if (!ne_cpu_pool.nr_parent_vm_cores) {
		mutex_unlock(&ne_cpu_pool.mutex);

		return;
	}

	for (i = 0; i < ne_cpu_pool.nr_parent_vm_cores; i++) {
		for_each_cpu(cpu, ne_cpu_pool.avail_threads_per_core[i]) {
			rc = add_cpu(cpu);
			if (rc != 0)
				pr_err("%s: CPU %d is not onlined [rc=%d]\n",
				       ne_misc_dev.name, cpu, rc);
		}

		cpumask_clear(ne_cpu_pool.avail_threads_per_core[i]);

		free_cpumask_var(ne_cpu_pool.avail_threads_per_core[i]);
	}

	kfree(ne_cpu_pool.avail_threads_per_core);
	ne_cpu_pool.nr_parent_vm_cores = 0;
	ne_cpu_pool.nr_threads_per_core = 0;
	ne_cpu_pool.numa_node = -1;

	mutex_unlock(&ne_cpu_pool.mutex);
}