On Oct 28, 2007, at 11:51 PM, Al Viro wrote:
* off by one in dmar_get_fault_reason() (maximal index in
array is ARRAY_SIZE()-1, not ARRAY_SIZE())
* NULL noise removal
* __iomem annotation fix
Signed-off-by: Al Viro <[email protected]>
---
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 0c4ab3b..9b35259 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -745,7 +745,7 @@ static char *fault_reason_strings[] =
"non-zero reserved fields in PTE",
"Unknown"
};
-#define MAX_FAULT_REASON_IDX ARRAY_SIZE(fault_reason_strings)
+#define MAX_FAULT_REASON_IDX ARRAY_SIZE(fault_reason_strings) - 1
This define now should really have ()'s around its value now that it
is an expression to avoid potential problems at its reference sites.
<snip>
--
Mark Rustad, [email protected]
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