x86: clear pci_mmcfg_virt when mmcfg get rejected

For x86_64, need to free pci_mmcfg_virt, and iounmap some pointers
when MMCONF is not reserved in E820 or acpi _CRS and get rejected.

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg KH <greg@kroah.com>
Cc: Greg KH <greg@kroah.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 498e35ee428e..8f204955427c 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -300,6 +300,7 @@ static void __init pci_mmcfg_reject_broken(void)
 
 reject:
         printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
+        pci_mmcfg_arch_free();
         kfree(pci_mmcfg_config);
         pci_mmcfg_config = NULL;
         pci_mmcfg_config_num = 0;