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-rw-r--r--drivers/pci/intel-iommu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 8af1d9a261e..e079a5237c9 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -749,8 +749,8 @@ static char *fault_reason_strings[] =
char *dmar_get_fault_reason(u8 fault_reason)
{
- if (fault_reason > MAX_FAULT_REASON_IDX)
- return fault_reason_strings[MAX_FAULT_REASON_IDX];
+ if (fault_reason >= MAX_FAULT_REASON_IDX)
+ return fault_reason_strings[MAX_FAULT_REASON_IDX - 1];
else
return fault_reason_strings[fault_reason];
}