x86/PCI: MMCONFIG: step through MCFG table, not pci_mmcfg_config[]
Step through the ACPI MCFG table, not pci_mmcfg_config[]. No functional
change, but simplifies future patches that encapsulate pci_mmcfg_config[].
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index fbadb89..7a7b6ba 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -554,6 +554,7 @@
static int __init pci_parse_mcfg(struct acpi_table_header *header)
{
struct acpi_table_mcfg *mcfg;
+ struct acpi_mcfg_allocation *cfg_table, *cfg;
unsigned long i;
int entries, config_size;
@@ -586,8 +587,10 @@
memcpy(pci_mmcfg_config, &mcfg[1], config_size);
pci_mmcfg_config_num = entries;
+ cfg_table = (struct acpi_mcfg_allocation *) &mcfg[1];
for (i = 0; i < entries; i++) {
- if (acpi_mcfg_check_entry(mcfg, &pci_mmcfg_config[i])) {
+ cfg = &cfg_table[i];
+ if (acpi_mcfg_check_entry(mcfg, cfg)) {
kfree(pci_mmcfg_config);
pci_mmcfg_config_num = 0;
return -ENODEV;