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: Michael Ellerman <m...@ellerman.id.au> Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org> Cc: Paul Mackerras <pau...@samba.org> Cc: Geoff Levand <ge...@infradead.org> --- arch/powerpc/kernel/iommu.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index a8ec4fe42817..30b7736f0896 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -575,7 +575,6 @@ int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl, */ if (outcount < incount) { outs = sg_next(outs); - outs->dma_address = DMA_MAPPING_ERROR; outs->dma_length = 0; } @@ -593,7 +592,6 @@ int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl, npages = iommu_num_pages(s->dma_address, s->dma_length, IOMMU_PAGE_SIZE(tbl)); __iommu_free(tbl, vaddr, npages); - s->dma_address = DMA_MAPPING_ERROR; s->dma_length = 0; } if (s == outs) -- 2.20.1
