[PATCH] mmconfig: minor cleanup in mmconfig code

This just cleans up.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andi Kleen <ak@suse.de>

1 files changed, 4 insertions, 9 deletions

diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 3325b79e651c..11be089efd7d 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -27,22 +27,17 @@ static int mmcfg_last_accessed_cpu;
  */
 static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
 {
-        int cfg_num = -1;
         struct acpi_mcfg_allocation *cfg;
+        int cfg_num;
 
         if (seg == 0 && bus < PCI_MMCFG_MAX_CHECK_BUS &&
             test_bit(PCI_SLOT(devfn) + 32*bus, pci_mmcfg_fallback_slots))
                 return 0;
 
-        while (1) {
-                ++cfg_num;
-                if (cfg_num >= pci_mmcfg_config_num) {
-                        break;
-                }
+        for (cfg_num = 0; cfg_num < pci_mmcfg_config_num; cfg_num++) {
                 cfg = &pci_mmcfg_config[cfg_num];
-                if (cfg->pci_segment != seg)
-                        continue;
-                if ((cfg->start_bus_number <= bus) &&
+                if (cfg->pci_segment == seg &&
+                    (cfg->start_bus_number <= bus) &&
                     (cfg->end_bus_number >= bus))
                         return cfg->address;
         }