RE: [PATCH v8 06/10] iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl

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

> From: Liu, Yi L <yi.l.liu@xxxxxxxxx>
> Sent: Thursday, December 28, 2023 12:14 AM
> 
> +		/* Negative test: trigger error */
> +		num_inv = 1;
> +		inv_reqs[0].flags =
> IOMMU_TEST_INVALIDATE_FLAG_TRIGGER_ERROR;
> +		inv_reqs[0].iotlb_id = 0;
> +		test_cmd_hwpt_invalidate(nested_hwpt_id[0], inv_reqs,
> +
> IOMMU_HWPT_INVALIDATE_DATA_SELFTEST,
> +					 sizeof(*inv_reqs), &num_inv);
> +		assert(num_inv == 1);
> +		assert(inv_reqs[0].hw_error ==
> IOMMU_TEST_INVALIDATE_FAKE_ERROR);
> +

instead of removing TRIGGER_ERROR|ALL err check, it makes more
sense to keep it but making it a similar case as above.