[SPARC64]: Make sure to reject all PCI DAC dma masks.

5c6cf233 · David S. Miller · 9bce1ae3 · 5c6cf233
Commit 5c6cf233 authored Jul 27, 2003 by David S. Miller
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arch/sparc64/kernel/pci_iommu.c arch/sparc64/kernel/pci_iommu.c +3 -0

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--- a/arch/sparc64/kernel/pci_iommu.c
+++ b/arch/sparc64/kernel/pci_iommu.c
@@ -825,5 +825,8 @@ int pci_dma_supported(struct pci_dev *pdev, u64 device_mask)
 		}
 	}

+	if (device_mask >= (1UL << 32UL))
+		return 0;
+
 	return (device_mask & dma_addr_mask) == dma_addr_mask;
 }