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-rw-r--r--include/linux/dmar.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index ffb6439cb5e..56c73b84755 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -28,7 +28,7 @@
#ifdef CONFIG_DMAR
struct intel_iommu;
-extern char *dmar_get_fault_reason(u8 fault_reason);
+extern const char *dmar_get_fault_reason(u8 fault_reason);
/* Can't use the common MSI interrupt functions
* since DMAR is not a pci device