static void siox_device_remove()

in siox-core.c [851:880]

• 18 lines of code
• 3 McCabe index (conditional complexity)

static void siox_device_remove(struct siox_master *smaster)
{
	struct siox_device *sdevice;

	siox_master_lock(smaster);

	if (!smaster->num_devices) {
		siox_master_unlock(smaster);
		return;
	}

	sdevice = container_of(smaster->devices.prev, struct siox_device, node);
	list_del(&sdevice->node);
	smaster->num_devices--;

	smaster->setbuf_len -= sdevice->inbytes;
	smaster->getbuf_len -= sdevice->outbytes;

	if (!smaster->num_devices)
		__siox_stop(smaster);

	siox_master_unlock(smaster);

	/*
	 * This must be done without holding the master lock because we're
	 * called from device_remove_store which also holds a sysfs mutex.
	 * device_unregister tries to aquire the same lock.
	 */
	device_unregister(&sdevice->dev);
}