RE: [PATCH 5/9] iommu: Make fault_param generic

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Sent: Tuesday, July 11, 2023 9:07 AM
> 
> @@ -299,7 +299,15 @@ static int dev_iommu_get(struct device *dev)
>  		return -ENOMEM;
> 
>  	mutex_init(&param->lock);
> +	param->fault_param = kzalloc(sizeof(*param->fault_param),
> GFP_KERNEL);
> +	if (!param->fault_param) {
> +		kfree(param);
> +		return -ENOMEM;
> +	}
> +	mutex_init(&param->fault_param->lock);
> +	INIT_LIST_HEAD(&param->fault_param->faults);
>  	dev->iommu = param;
> +
>  	return 0;
>  }

Upon above changes is it slightly cleaner to call it dev_iommu_init()
to better pair with dev_iommu_free()?