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-rw-r--r--drivers/pci/intel-iommu.c7
-rw-r--r--drivers/pci/intel-iommu.h2
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 0c4ab3b07274..9b35259eecfa 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
char *dmar_get_fault_reason(u8 fault_reason)
{
@@ -995,7 +995,6 @@ static struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd)
return iommu;
error_unmap:
iounmap(iommu->reg);
- iommu->reg = 0;
error:
kfree(iommu);
return NULL;
@@ -1808,7 +1807,7 @@ get_valid_domain_for_dev(struct pci_dev *pdev)
if (!domain) {
printk(KERN_ERR
"Allocating domain for %s failed", pci_name(pdev));
- return 0;
+ return NULL;
}
/* make sure context mapping is ok */
@@ -1818,7 +1817,7 @@ get_valid_domain_for_dev(struct pci_dev *pdev)
printk(KERN_ERR
"Domain context map for %s failed",
pci_name(pdev));
- return 0;
+ return NULL;
}
}
diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h
index ee88dd2400cb..459ad1f9dc54 100644
--- a/drivers/pci/intel-iommu.h
+++ b/drivers/pci/intel-iommu.h
@@ -58,7 +58,7 @@
hi = readl(dmar + reg + 4); \
(((u64) hi) << 32) + lo; })
*/
-static inline u64 dmar_readq(void *addr)
+static inline u64 dmar_readq(void __iomem *addr)
{
u32 lo, hi;
lo = readl(addr);