[PATCH v3 14/21] RDMA/usnic: Use iommu_paging_domain_alloc()

Lu Baolu
2024-06-10T08:59:29Z

usnic_uiom_alloc_pd() allocates a paging domain for a given device.
In this case, iommu_domain_alloc(dev->bus) is equivalent to
iommu_paging_domain_alloc(dev). Replace it as iommu_domain_alloc()
has been deprecated.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Acked-by: Jason Gunthorpe <jgg@nvidia.com>
---
drivers/infiniband/hw/usnic/usnic_uiom.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c
index 84e0f41e7dfa..f948b76f984d 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom.c
+++ b/drivers/infiniband/hw/usnic/usnic_uiom.c
@@ -443,11 +443,11 @@ struct usnic_uiom_pd *usnic_uiom_alloc_pd(struct device *dev)
if (!pd)
return ERR_PTR(-ENOMEM);

- pd->domain = domain = iommu_domain_alloc(dev->bus);
- if (!domain) {
+ pd->domain = domain = iommu_paging_domain_alloc(dev);
+ if (IS_ERR(domain)) {
usnic_err("Failed to allocate IOMMU domain");
kfree(pd);
- return ERR_PTR(-ENOMEM);
+ return ERR_CAST(domain);
}

iommu_set_fault_handler(pd->domain, usnic_uiom_dma_fault, NULL);
--
2.34.1