diff options
| -rw-r--r-- | Nt32Pkg/CpuRuntimeDxe/CpuIo.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Nt32Pkg/CpuRuntimeDxe/CpuIo.c b/Nt32Pkg/CpuRuntimeDxe/CpuIo.c index e4f056ceda..272a8d7b6b 100644 --- a/Nt32Pkg/CpuRuntimeDxe/CpuIo.c +++ b/Nt32Pkg/CpuRuntimeDxe/CpuIo.c @@ -1,6 +1,6 @@ /**@file
-Copyright (c) 2006 - 2009, Intel Corporation
+Copyright (c) 2006 - 2010, 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
@@ -81,6 +81,10 @@ Returns: return EFI_INVALID_PARAMETER;
}
+ if ((Width < 0) || (Width >= EfiCpuIoWidthMaximum)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
Status = CpuIoCheckAddressRange (Width, Address, Count, Buffer, IA32_MAX_MEM_ADDRESS);
if (EFI_ERROR (Status)) {
return Status;
@@ -135,6 +139,10 @@ Returns: return EFI_INVALID_PARAMETER;
}
+ if ((Width < 0) || (Width >= EfiCpuIoWidthMaximum)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
Status = CpuIoCheckAddressRange (Width, Address, Count, Buffer, IA32_MAX_MEM_ADDRESS);
if (EFI_ERROR (Status)) {
return Status;
@@ -192,7 +200,7 @@ Returns: Address = (UINTN) UserAddress;
- if (Width >= EfiCpuIoWidthMaximum) {
+ if ((Width < 0) || (Width >= EfiCpuIoWidthMaximum)) {
return EFI_INVALID_PARAMETER;
}
@@ -257,7 +265,7 @@ Returns: Address = (UINTN) UserAddress;
- if (Width >= EfiCpuIoWidthMaximum) {
+ if ((Width < 0) || (Width >= EfiCpuIoWidthMaximum)) {
return EFI_INVALID_PARAMETER;
}
|