Re: [PATCH v1 04/16] dma-iommu: Return error code from iommu_dma_map_sg()
- From
- Christoph Hellwig <hch@lst.de>
- Date
- 2021-07-16 06:31:35
- Also in
- linux-arm-kernel, linux-iommu, linux-mips, linux-s390, linuxppc-dev, lkml, sparclinux, xen-devel
- Reply to
- Logan Gunthorpe, 2021-07-15
Careful here. What do all these errors from the low-level code mean
here? I think we need to clearly standardize on what we actually
return from ->map_sg and possibly document what the callers expect and
can do, and enforce that only those error are reported.