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-rw-r--r--include/linux/iommu-common.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/iommu-common.h b/include/linux/iommu-common.h
index bbced83b32ee..376a27c9cc6a 100644
--- a/include/linux/iommu-common.h
+++ b/include/linux/iommu-common.h
@@ -7,6 +7,7 @@
#define IOMMU_POOL_HASHBITS 4
#define IOMMU_NR_POOLS (1 << IOMMU_POOL_HASHBITS)
+#define IOMMU_ERROR_CODE (~(unsigned long) 0)
struct iommu_pool {
unsigned long start;