diff options
| -rw-r--r-- | arch/sparc64/kernel/iommu_common.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/iommu_common.c b/arch/sparc64/kernel/iommu_common.c index 78e8277df65..b70324e0d83 100644 --- a/arch/sparc64/kernel/iommu_common.c +++ b/arch/sparc64/kernel/iommu_common.c @@ -233,6 +233,11 @@ unsigned long prepare_sg(struct scatterlist *sg, int nents) dma_sg->dma_address = dent_addr; dma_sg->dma_length = dent_len; + if (dma_sg != sg) { + dma_sg = next_sg(dma_sg); + dma_sg->dma_length = 0; + } + return ((unsigned long) dent_addr + (unsigned long) dent_len + (IO_PAGE_SIZE - 1UL)) >> IO_PAGE_SHIFT; |