static int counter_sysfs_synapses_add()

in counter-sysfs.c [647:687]

• 31 lines of code
• 5 McCabe index (conditional complexity)

static int counter_sysfs_synapses_add(struct counter_device *const counter,
	struct counter_attribute_group *const group,
	struct counter_count *const count)
{
	size_t i;

	/* Add each Synapse */
	for (i = 0; i < count->num_synapses; i++) {
		struct device *const dev = &counter->dev;
		struct counter_synapse *synapse;
		size_t id;
		struct counter_comp comp;
		int err;

		synapse = count->synapses + i;

		/* Generate Synapse action name */
		id = synapse->signal - counter->signals;
		comp.name = devm_kasprintf(dev, GFP_KERNEL, "signal%zu_action",
					   id);
		if (!comp.name)
			return -ENOMEM;

		/* Create action attribute */
		comp.type = COUNTER_COMP_SYNAPSE_ACTION;
		comp.action_read = counter->ops->action_read;
		comp.action_write = counter->ops->action_write;
		comp.priv = synapse;
		err = counter_attr_create(dev, group, &comp,
					  COUNTER_SCOPE_COUNT, count);
		if (err < 0)
			return err;

		/* Create Synapse component ID attribute */
		err = counter_comp_id_attr_create(dev, group, comp.name, i);
		if (err < 0)
			return err;
	}

	return 0;
}