From de028a62ded3c0ab76d33accec4d8666cb2834bf Mon Sep 17 00:00:00 2001 From: rsun3 Date: Tue, 29 Dec 2009 03:14:37 +0000 Subject: [PATCH] Fix a bug in DegradeResource(). git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9621 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Bus/Pci/PciBusDxe/PciResourceSupport.c | 31 ++++++++++--------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c index d6291b9375..d5f553bcc4 100644 --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c @@ -1048,45 +1048,46 @@ DegradeResource ( ) { PCI_IO_DEVICE *Temp; - LIST_ENTRY *CurrentLink; + LIST_ENTRY *ChildDeviceLink; + LIST_ENTRY *ChildNodeLink; PCI_RESOURCE_NODE *TempNode; // // If any child device has both option ROM and 64-bit BAR, degrade its PMEM64/MEM64 // requests in case that if a legacy option ROM image can not access 64-bit resources. // - CurrentLink = Bridge->ChildList.ForwardLink; - while (CurrentLink != NULL && CurrentLink != &Bridge->ChildList) { - Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink); + ChildDeviceLink = Bridge->ChildList.ForwardLink; + while (ChildDeviceLink != NULL && ChildDeviceLink != &Bridge->ChildList) { + Temp = PCI_IO_DEVICE_FROM_LINK (ChildDeviceLink); if (Temp->RomSize != 0) { if (!IsListEmpty (&Mem64Node->ChildList)) { - CurrentLink = Mem64Node->ChildList.ForwardLink; - while (CurrentLink != &Mem64Node->ChildList) { - TempNode = RESOURCE_NODE_FROM_LINK (CurrentLink); + ChildNodeLink = Mem64Node->ChildList.ForwardLink; + while (ChildNodeLink != &Mem64Node->ChildList) { + TempNode = RESOURCE_NODE_FROM_LINK (ChildNodeLink); if (TempNode->PciDev == Temp) { - RemoveEntryList (CurrentLink); + RemoveEntryList (ChildNodeLink); InsertResourceNode (Mem32Node, TempNode); } - CurrentLink = TempNode->Link.ForwardLink; + ChildNodeLink = TempNode->Link.ForwardLink; } } if (!IsListEmpty (&PMem64Node->ChildList)) { - CurrentLink = PMem64Node->ChildList.ForwardLink; - while (CurrentLink != &PMem64Node->ChildList) { - TempNode = RESOURCE_NODE_FROM_LINK (CurrentLink); + ChildNodeLink = PMem64Node->ChildList.ForwardLink; + while (ChildNodeLink != &PMem64Node->ChildList) { + TempNode = RESOURCE_NODE_FROM_LINK (ChildNodeLink); if (TempNode->PciDev == Temp) { - RemoveEntryList (CurrentLink); + RemoveEntryList (ChildNodeLink); InsertResourceNode (PMem32Node, TempNode); } - CurrentLink = TempNode->Link.ForwardLink; + ChildNodeLink = TempNode->Link.ForwardLink; } } } - CurrentLink = CurrentLink->ForwardLink; + ChildDeviceLink = ChildDeviceLink->ForwardLink; } // -- 2.39.2