diff options
| author | Logan Gunthorpe <logang@deltatee.com> | 2021-07-29 14:15:29 -0600 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2021-08-09 17:13:05 +0200 |
| commit | eb86ef3b2d7e06b1447d4979e282977a845b611b (patch) | |
| tree | 7adb6ada9d36eaf2277f0ce8042f361df334cb7a /arch/powerpc | |
| parent | c4e0e892ab0579d4de3ca6d260d537fc16b39790 (diff) | |
powerpc/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: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Geoff Levand <geoff@infradead.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/iommu.c | 2 |
1 files changed, 0 insertions, 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) |