1 files changed, 5 insertions, 1 deletions

diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c
index 8bf2fcb88d04..7ef3a2735df3 100644
--- a/arch/x86/pci/mrst.c
+++ b/arch/x86/pci/mrst.c
@@ -109,7 +109,7 @@ static int pci_device_update_fixed(struct pci_bus *bus, unsigned int devfn,
                         decode++;
                         decode = ~(decode - 1);
                 } else {
-                        decode = ~0;
+                        decode = 0;
                 }
 
                 /*
@@ -247,6 +247,10 @@ static void __devinit pci_fixed_bar_fixup(struct pci_dev *dev)
         u32 size;
         int i;
 
+        /* Must have extended configuration space */
+        if (dev->cfg_size < PCIE_CAP_OFFSET + 4)
+                return;
+
         /* Fixup the BAR sizes for fixed BAR devices and make them unmoveable */
         offset = fixed_bar_cap(dev->bus, dev->devfn);
         if (!offset || PCI_DEVFN(2, 0) == dev->devfn ||