X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=IntelFrameworkModulePkg%2FBus%2FPci%2FPciBusDxe%2FPciCommand.c;h=31bdd8d23425b33171dd0c8cf634891378d16f96;hp=af11143e92af2c66b310be2049dbbcd906572657;hb=f680f867cee25f6aad522d7e3960c0046c3bba61;hpb=94853f20f34fdce04673c734366d3a53af498325

diff --git a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciCommand.c b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciCommand.c
index af11143e92..31bdd8d234 100644
--- a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciCommand.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciCommand.c
@@ -153,11 +153,7 @@ LocateCapabilityRegBlock (
     }
   }
 
-  while (CapabilityPtr > 0x3F) {
-    //
-    // Mask it to DWORD alignment per PCI spec
-    //
-    CapabilityPtr &= 0xFC;
+  while ((CapabilityPtr >= 0x40) && ((CapabilityPtr & 0x03) == 0x00)) {
     PciIoRead (
                 &PciIoDevice->PciIo,
                 EfiPciIoWidthUint16,