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;