This is a static checker fix. "size" is a u64 here, but "num_buses" is
only 32 bits so we would hit shift wrapping bugs trying to use larger
sizes.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c
index bea5249..430ed2b 100644
--- a/arch/x86/pci/mmconfig_64.c
+++ b/arch/x86/pci/mmconfig_64.c
@@ -98,8 +98,7 @@ const struct pci_raw_ops pci_mmcfg = {
static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg)
{
void __iomem *addr;
- u64 start, size;
- int num_buses;
+ u64 start, size, num_buses;
start = cfg->address + PCI_MMCFG_BUS_OFFSET(cfg->start_bus);
num_buses = cfg->end_bus - cfg->start_bus + 1;
--
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