Re: [PATCH v6 3/4] iommufd: Add IOMMU_GET_HW_INFO

Jason Gunthorpe
2023-08-09T16:43:44Z

On Tue, Aug 08, 2023 at 08:35:09AM -0700, Yi Liu wrote:
> +static int iommufd_zero_fill_user(void __user *ptr, size_t bytes)
> +{
> + int index = 0;
> +
> + for (; index < bytes; index++) {
> + if (put_user(0, (uint8_t __user *)(ptr + index)))
> + return -EFAULT;
> + }

I've recently learned this routine is spelled 'clear_user()'

Jason