unsigned int count, min_size, alloc_sizes = domain->pgsize_bitmap;
struct page **pages;
dma_addr_t iova;
+ ssize_t ret;
if (static_branch_unlikely(&iommu_deferred_attach_enabled) &&
iommu_deferred_attach(dev, domain))
arch_dma_prep_coherent(sg_page(sg), sg->length);
}
- if (iommu_map_sg_atomic(domain, iova, sgt->sgl, sgt->orig_nents, ioprot)
- < size)
+ ret = iommu_map_sg_atomic(domain, iova, sgt->sgl, sgt->orig_nents, ioprot);
+ if (ret < 0 || ret < size)
goto out_free_sg;
sgt->sgl->dma_address = iova;
* implementation - it knows better than we do.
*/
ret = iommu_map_sg_atomic(domain, iova, sg, nents, prot);
- if (ret < iova_len)
+ if (ret < 0 || ret < iova_len)
goto out_free_iova;
return __finalise_sg(dev, sg, nents, iova);