sparc/iommu: don't set failed sg dma_address to DMA_MAPPING_ERROR
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.GC13345@lst.de/ Suggested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Niklas Schnelle <schnelle@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
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@ -546,7 +546,6 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
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if (outcount < incount) {
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outs = sg_next(outs);
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outs->dma_address = DMA_MAPPING_ERROR;
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outs->dma_length = 0;
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}
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@ -572,7 +571,6 @@ iommu_map_failed:
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iommu_tbl_range_free(&iommu->tbl, vaddr, npages,
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IOMMU_ERROR_CODE);
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s->dma_address = DMA_MAPPING_ERROR;
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s->dma_length = 0;
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}
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if (s == outs)
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@ -594,7 +594,6 @@ static int dma_4v_map_sg(struct device *dev, struct scatterlist *sglist,
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if (outcount < incount) {
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outs = sg_next(outs);
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outs->dma_address = DMA_MAPPING_ERROR;
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outs->dma_length = 0;
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}
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@ -611,7 +610,6 @@ iommu_map_failed:
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iommu_tbl_range_free(tbl, vaddr, npages,
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IOMMU_ERROR_CODE);
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/* XXX demap? XXX */
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s->dma_address = DMA_MAPPING_ERROR;
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s->dma_length = 0;
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}
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if (s == outs)
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