> From: Lu Baolu <baolu...@linux.intel.com>
> Sent: Tuesday, April 30, 2024 10:57 PM
>
> #else
> -static inline struct iommu_sva *
> +static inline struct iommu_attach_handle *
> iommu_sva_bind_device(struct device *dev, struct mm_struct *mm)
> {
> - return NULL;
> + return ERR_PTR(-ENODEV);
> }
> this should be a separate fix. existing drivers (idxd and uacce) only check IS_ERR() on the return value. A Null pointer may lead to an error reported at a later point.
