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-rw-r--r--arch/x86/pci/mmconfig-shared.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index a918553ebc7..e282886616a 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -65,7 +65,6 @@ static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start,
int end, u64 addr)
{
struct pci_mmcfg_region *new;
- int num_buses;
struct resource *res;
if (addr == 0)
@@ -82,10 +81,9 @@ static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start,
list_add_sorted(new);
- num_buses = end - start + 1;
res = &new->res;
res->start = addr + PCI_MMCFG_BUS_OFFSET(start);
- res->end = addr + PCI_MMCFG_BUS_OFFSET(num_buses) - 1;
+ res->end = addr + PCI_MMCFG_BUS_OFFSET(end + 1) - 1;
res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
snprintf(new->name, PCI_MMCFG_RESOURCE_NAME_LEN,
"PCI MMCONFIG %04x [bus %02x-%02x]", segment, start, end);