Add parameter checking for PCI IO protocol according to UEFI spec.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5359 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 17 insertions, 1 deletions

diff --git a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciIo.c b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciIo.c
index ccec7d7244..eabbe4989b 100644
--- a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciIo.c
+++ b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciIo.c
@@ -1,7 +1,7 @@
 /**@file

   Implement all interfaces for EFI_PCI_IO_PROTOCOL.

   

-Copyright (c) 2006, Intel Corporation                                                         

+Copyright (c) 2006 - 2008, Intel Corporation                                                         

 All rights reserved. This program and the accompanying materials                          

 are licensed and made available under the terms and conditions of the BSD License         

 which accompanies this distribution.  The full text of the license may be found at        

@@ -379,6 +379,10 @@ PciIoMemRead (
     return EFI_INVALID_PARAMETER;

   }

 

+  if (Buffer == NULL) {

+    return EFI_INVALID_PARAMETER;

+  }

+

   Status = PciIoVerifyBarAccess (PciIoDevice, BarIndex, PciBarTypeMem, Width, Count, &Offset);

   if (EFI_ERROR (Status)) {

     return EFI_UNSUPPORTED;

@@ -439,6 +443,10 @@ PciIoMemWrite (
     return EFI_INVALID_PARAMETER;

   }

 

+  if (Buffer == NULL) {

+    return EFI_INVALID_PARAMETER;

+  }

+

   Status = PciIoVerifyBarAccess (PciIoDevice, BarIndex, PciBarTypeMem, Width, Count, &Offset);

   if (EFI_ERROR (Status)) {

     return EFI_UNSUPPORTED;

@@ -499,6 +507,10 @@ PciIoIoRead (
     return EFI_INVALID_PARAMETER;

   }

 

+  if (Buffer == NULL) {

+    return EFI_INVALID_PARAMETER;

+  }

+

   Status = PciIoVerifyBarAccess (PciIoDevice, BarIndex, PciBarTypeIo, Width, Count, &Offset);

   if (EFI_ERROR (Status)) {

     return EFI_UNSUPPORTED;

@@ -559,6 +571,10 @@ PciIoIoWrite (
     return EFI_INVALID_PARAMETER;

   }

 

+  if (Buffer == NULL) {

+    return EFI_INVALID_PARAMETER;

+  }

+

   Status = PciIoVerifyBarAccess (PciIoDevice, BarIndex, PciBarTypeIo, Width, Count, &Offset);

   if (EFI_ERROR (Status)) {

     return EFI_UNSUPPORTED;