X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FLibrary%2FBasePciLibPciExpress%2FPciLib.c;h=1b543da3aab7be0da78aed953ce89e98e89b2e1f;hb=e29e52e7c0d1cfe0de872fbb5ebe6c77bba0c30d;hp=7c6097495518fd9224700d620b7c819af8aff770;hpb=0ffa12863e9e60cfd1900e3a83b21f32f89afdf2;p=mirror_edk2.git

diff --git a/MdePkg/Library/BasePciLibPciExpress/PciLib.c b/MdePkg/Library/BasePciLibPciExpress/PciLib.c
index 7c60974955..1b543da3aa 100644
--- a/MdePkg/Library/BasePciLibPciExpress/PciLib.c
+++ b/MdePkg/Library/BasePciLibPciExpress/PciLib.c
@@ -1011,8 +1011,7 @@ PciBitFieldAndThenOr32 (
 
   If StartAddress > 0x0FFFFFFF, then ASSERT().
   If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
-  If (StartAddress + Size - 1)  > 0x0FFFFFFF, then ASSERT().
-  If Buffer is NULL, then ASSERT().
+  If Size > 0 and Buffer is NULL, then ASSERT().
 
   @param  StartAddress  Starting address that encodes the PCI Bus, Device,
                         Function and Register.
@@ -1047,8 +1046,7 @@ PciReadBuffer (
 
   If StartAddress > 0x0FFFFFFF, then ASSERT().
   If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
-  If (StartAddress + Size - 1)  > 0x0FFFFFFF, then ASSERT().
-  If Buffer is NULL, then ASSERT().
+  If Size > 0 and Buffer is NULL, then ASSERT().
 
   @param  StartAddress  Starting address that encodes the PCI Bus, Device,
                         Function and Register.