static void gb_module_register_interface()

in module.c [139:178]

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

static void gb_module_register_interface(struct gb_interface *intf)
{
	struct gb_module *module = intf->module;
	u8 intf_id = intf->interface_id;
	int ret;

	mutex_lock(&intf->mutex);

	ret = gb_interface_activate(intf);
	if (ret) {
		if (intf->type != GB_INTERFACE_TYPE_DUMMY) {
			dev_err(&module->dev,
				"failed to activate interface %u: %d\n",
				intf_id, ret);
		}

		gb_interface_add(intf);
		goto err_unlock;
	}

	ret = gb_interface_add(intf);
	if (ret)
		goto err_interface_deactivate;

	ret = gb_interface_enable(intf);
	if (ret) {
		dev_err(&module->dev, "failed to enable interface %u: %d\n",
			intf_id, ret);
		goto err_interface_deactivate;
	}

	mutex_unlock(&intf->mutex);

	return;

err_interface_deactivate:
	gb_interface_deactivate(intf);
err_unlock:
	mutex_unlock(&intf->mutex);
}