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-rw-r--r--drivers/pci/intel-iommu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index c933980bf56..59de56304aa 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2581,6 +2581,11 @@ int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems,
return nelems;
}
+static int intel_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+ return !dma_addr;
+}
+
struct dma_map_ops intel_dma_ops = {
.alloc_coherent = intel_alloc_coherent,
.free_coherent = intel_free_coherent,
@@ -2588,6 +2593,7 @@ struct dma_map_ops intel_dma_ops = {
.unmap_sg = intel_unmap_sg,
.map_page = intel_map_page,
.unmap_page = intel_unmap_page,
+ .mapping_error = intel_mapping_error,
};
static inline int iommu_domain_cache_init(void)