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Terminate the Capability List traversal if the Capability Pointer is less than 0x40, or the Capability Pointer is not aligned on a 32-bit boundary. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8375 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney 2009-05-21 22:25:38 +00:00
parent 20610fa85c
commit 94853f20f3
1 changed files with 1 additions and 5 deletions
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6
DuetPkg/PciBusNoEnumerationDxe/PciCommand.c
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@ -433,11 +433,7 @@ Returns:
}
}
while (CapabilityPtr > 0x3F) {
//
// Mask it to DWORD alignment per PCI spec
//
CapabilityPtr &= 0xFC;
while ((CapabilityPtr >= 0x40) && ((CapabilityPtr & 0x03) == 0x00)) {
PciIoDevice->PciIo.Pci.Read (
&PciIoDevice->PciIo,
EfiPciIoWidthUint16,