Setting the ->dma_address to DMA_MAPPING_ERROR is not part of the ->map_sg calling convention, so remove it.
Link: https://lore.kernel.org/linux-mips/20210716063241.gc13...@lst.de/ Suggested-by: Christoph Hellwig <h...@lst.de> Signed-off-by: Logan Gunthorpe <log...@deltatee.com> Cc: "David S. Miller" <da...@davemloft.net> Cc: Niklas Schnelle <schne...@linux.ibm.com> Cc: Michael Ellerman <m...@ellerman.id.au> --- arch/sparc/kernel/iommu.c | 2 -- arch/sparc/kernel/pci_sun4v.c | 2 -- 2 files changed, 4 deletions(-) diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index 0589acd34201..da0363692528 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -546,7 +546,6 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, if (outcount < incount) { outs = sg_next(outs); - outs->dma_address = DMA_MAPPING_ERROR; outs->dma_length = 0; } @@ -572,7 +571,6 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist, iommu_tbl_range_free(&iommu->tbl, vaddr, npages, IOMMU_ERROR_CODE); - s->dma_address = DMA_MAPPING_ERROR; s->dma_length = 0; } if (s == outs) diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index d90e80fa5705..384480971805 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -594,7 +594,6 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist, if (outcount < incount) { outs = sg_next(outs); - outs->dma_address = DMA_MAPPING_ERROR; outs->dma_length = 0; } @@ -611,7 +610,6 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist, iommu_tbl_range_free(tbl, vaddr, npages, IOMMU_ERROR_CODE); /* XXX demap? XXX */ - s->dma_address = DMA_MAPPING_ERROR; s->dma_length = 0; } if (s == outs) -- 2.20.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
