On Tue, Oct 25, 2022 at 03:12:18PM -0300, Jason Gunthorpe wrote:
diff --git a/drivers/iommu/iommufd/io_pagetable.c b/drivers/iommu/iommufd/io_pagetable.c new file mode 100644 index 00000000000000..27cbb652ee33cd --- /dev/null +++ b/drivers/iommu/iommufd/io_pagetable.c
+void iopt_enable_large_pages(struct io_pagetable *iopt) +{
- down_write(&iopt->domains_rwsem);
- down_write(&iopt->iova_rwsem);
- WRITE_ONCE(iopt->disable_large_pages, false);
- iopt_calculate_iova_alignment(iopt);
Coverity reports unchecked return value, perhaps WARN_ON()?