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authorydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524>2012-04-27 02:48:46 +0000
committerydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524>2012-04-27 02:48:46 +0000
commit3e0587010e36d36d6374c8ca9956e9bfbc8da7a8 (patch)
treec73e1ea66356f7f861b79bbfefe67b96b74b2acf
parent64c7a74917f653145a398f91749518960d09b918 (diff)
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Enhance the error handling for AllocatePool and AllocatePages function.
Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13225 6f19259b-4bc3-4df7-8a09-765794883524
-rw-r--r--MdeModulePkg/Core/Dxe/DxeMain.h2
-rw-r--r--MdeModulePkg/Core/Dxe/Mem/Page.c6
-rw-r--r--MdeModulePkg/Core/Dxe/Mem/Pool.c8
-rw-r--r--MdePkg/Include/Uefi/UefiSpec.h5
4 files changed, 15 insertions, 6 deletions
diff --git a/MdeModulePkg/Core/Dxe/DxeMain.h b/MdeModulePkg/Core/Dxe/DxeMain.h
index 2a81615..4ec895c 100644
--- a/MdeModulePkg/Core/Dxe/DxeMain.h
+++ b/MdeModulePkg/Core/Dxe/DxeMain.h
@@ -1247,7 +1247,7 @@ CoreGetMemoryMap (
@param Buffer The address to return a pointer to the allocated
pool
- @retval EFI_INVALID_PARAMETER PoolType not valid
+ @retval EFI_INVALID_PARAMETER PoolType not valid or Buffer is NULL
@retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.
@retval EFI_SUCCESS Pool successfully allocated.
diff --git a/MdeModulePkg/Core/Dxe/Mem/Page.c b/MdeModulePkg/Core/Dxe/Mem/Page.c
index 04844e3..b4a62b9 100644
--- a/MdeModulePkg/Core/Dxe/Mem/Page.c
+++ b/MdeModulePkg/Core/Dxe/Mem/Page.c
@@ -1,7 +1,7 @@
/** @file
UEFI Memory page management functions.
-Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2007 - 2012, Intel Corporation. All rights reserved.<BR>
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
@@ -1103,6 +1103,10 @@ CoreAllocatePages (
return EFI_INVALID_PARAMETER;
}
+ if (Memory == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
Alignment = EFI_DEFAULT_PAGE_ALLOCATION_ALIGNMENT;
if (MemoryType == EfiACPIReclaimMemory ||
diff --git a/MdeModulePkg/Core/Dxe/Mem/Pool.c b/MdeModulePkg/Core/Dxe/Mem/Pool.c
index 2808905..a435b97 100644
--- a/MdeModulePkg/Core/Dxe/Mem/Pool.c
+++ b/MdeModulePkg/Core/Dxe/Mem/Pool.c
@@ -1,7 +1,7 @@
/** @file
UEFI Memory pool management functions.
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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
@@ -167,7 +167,7 @@ LookupPoolHead (
@param Buffer The address to return a pointer to the allocated
pool
- @retval EFI_INVALID_PARAMETER PoolType not valid
+ @retval EFI_INVALID_PARAMETER PoolType not valid or Buffer is NULL.
@retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.
@retval EFI_SUCCESS Pool successfully allocated.
@@ -190,6 +190,10 @@ CoreAllocatePool (
return EFI_INVALID_PARAMETER;
}
+ if (Buffer == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
*Buffer = NULL;
//
diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h
index 7dbac45..fb46289 100644
--- a/MdePkg/Include/Uefi/UefiSpec.h
+++ b/MdePkg/Include/Uefi/UefiSpec.h
@@ -5,7 +5,7 @@
If a code construct is defined in the UEFI 2.3 specification it must be included
by this include file.
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
@@ -127,6 +127,7 @@ typedef struct {
@retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or
AllocateMaxAddress or AllocateAddress.
2) MemoryType is in the range
+ 3) Memory is NULL.
EfiMaxMemoryType..0x7FFFFFFF.
@retval EFI_OUT_OF_RESOURCES The pages could not be allocated.
@retval EFI_NOT_FOUND The requested pages could not be found.
@@ -205,7 +206,7 @@ EFI_STATUS
@retval EFI_SUCCESS The requested number of bytes was allocated.
@retval EFI_OUT_OF_RESOURCES The pool requested could not be allocated.
- @retval EFI_INVALID_PARAMETER PoolType was invalid.
+ @retval EFI_INVALID_PARAMETER PoolType was invalid or Buffer is NULL.
**/
typedef