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path: root/drivers/pci/intel-iommu.c
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Diffstat (limited to 'drivers/pci/intel-iommu.c')
-rw-r--r--drivers/pci/intel-iommu.c7
1 files changed, 3 insertions, 4 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[] =
745 "non-zero reserved fields in PTE", 745 "non-zero reserved fields in PTE",
746 "Unknown" 746 "Unknown"
747}; 747};
748#define MAX_FAULT_REASON_IDX ARRAY_SIZE(fault_reason_strings) 748#define MAX_FAULT_REASON_IDX ARRAY_SIZE(fault_reason_strings) - 1
749 749
750char *dmar_get_fault_reason(u8 fault_reason) 750char *dmar_get_fault_reason(u8 fault_reason)
751{ 751{
@@ -995,7 +995,6 @@ static struct intel_iommu *alloc_iommu(struct dmar_drhd_unit *drhd)
995 return iommu; 995 return iommu;
996error_unmap: 996error_unmap:
997 iounmap(iommu->reg); 997 iounmap(iommu->reg);
998 iommu->reg = 0;
999error: 998error:
1000 kfree(iommu); 999 kfree(iommu);
1001 return NULL; 1000 return NULL;
@@ -1808,7 +1807,7 @@ get_valid_domain_for_dev(struct pci_dev *pdev)
1808 if (!domain) { 1807 if (!domain) {
1809 printk(KERN_ERR 1808 printk(KERN_ERR
1810 "Allocating domain for %s failed", pci_name(pdev)); 1809 "Allocating domain for %s failed", pci_name(pdev));
1811 return 0; 1810 return NULL;
1812 } 1811 }
1813 1812
1814 /* make sure context mapping is ok */ 1813 /* make sure context mapping is ok */
@@ -1818,7 +1817,7 @@ get_valid_domain_for_dev(struct pci_dev *pdev)
1818 printk(KERN_ERR 1817 printk(KERN_ERR
1819 "Domain context map for %s failed", 1818 "Domain context map for %s failed",
1820 pci_name(pdev)); 1819 pci_name(pdev));
1821 return 0; 1820 return NULL;
1822 } 1821 }
1823 } 1822 }
1824 1823