ShellPkg/EfiDecompress: Handle memory allocation failure
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c
index c145743..90eafe5 100644
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/EfiDecompress.c
@@ -2,7 +2,7 @@
Main file for EfiDecompress shell Debug1 function.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
- Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2005 - 2016, 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
@@ -119,14 +119,18 @@
InSize = (UINTN)Temp64Bit;
ASSERT_EFI_ERROR(Status);
InBuffer = AllocateZeroPool(InSize);
- ASSERT(InBuffer != NULL);
- Status = gEfiShellProtocol->ReadFile(InFileHandle, &InSize, InBuffer);
- ASSERT_EFI_ERROR(Status);
+ if (InBuffer == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ } else {
+ Status = gEfiShellProtocol->ReadFile (InFileHandle, &InSize, InBuffer);
+ ASSERT_EFI_ERROR (Status);
- Status = gBS->LocateProtocol(&gEfiDecompressProtocolGuid, NULL, (VOID**)&Decompress);
- ASSERT_EFI_ERROR(Status);
+ Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID**) &Decompress);
+ ASSERT_EFI_ERROR (Status);
- Status = Decompress->GetInfo(Decompress, InBuffer, (UINT32)InSize, &OutSize, &ScratchSize);
+ Status = Decompress->GetInfo (Decompress, InBuffer, (UINT32) InSize, &OutSize, &ScratchSize);
+ }
+
if (EFI_ERROR(Status) || OutSize == 0) {
ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_NOPE), gShellDebug1HiiHandle, InFileName);
ShellStatus = SHELL_NOT_FOUND;
@@ -138,25 +142,25 @@
} else {
OutBuffer = AllocateZeroPool(OutSize);
ScratchBuffer = AllocateZeroPool(ScratchSize);
- ASSERT(OutBuffer != NULL);
- ASSERT(ScratchBuffer != NULL);
-
- Status = Decompress->Decompress(Decompress, InBuffer, (UINT32)InSize, OutBuffer, OutSize, ScratchBuffer, ScratchSize);
- ASSERT_EFI_ERROR(Status);
-
- if (EFI_ERROR(Status)) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_FAIL), gShellDebug1HiiHandle, Status);
- ShellStatus = SHELL_DEVICE_ERROR;
+ if (OutBuffer == NULL || ScratchBuffer == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
} else {
- OutSizeTemp = OutSize;
- Status = gEfiShellProtocol->WriteFile(OutFileHandle, &OutSizeTemp, OutBuffer);
- OutSize = (UINT32)OutSizeTemp;
- if (EFI_ERROR(Status)) {
- ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, L"efidecompress", OutFileName, Status);
- ShellStatus = SHELL_DEVICE_ERROR;
- }
+ Status = Decompress->Decompress (Decompress, InBuffer, (UINT32) InSize, OutBuffer, OutSize, ScratchBuffer, ScratchSize);
}
- }
+ }
+ }
+
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_EFI_DECOMPRESS_FAIL), gShellDebug1HiiHandle, Status);
+ ShellStatus = ((Status == EFI_OUT_OF_RESOURCES) ? SHELL_OUT_OF_RESOURCES : SHELL_DEVICE_ERROR);
+ } else {
+ OutSizeTemp = OutSize;
+ Status = gEfiShellProtocol->WriteFile (OutFileHandle, &OutSizeTemp, OutBuffer);
+ OutSize = (UINT32) OutSizeTemp;
+ if (EFI_ERROR (Status)) {
+ ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_WRITE_FAIL), gShellDebug1HiiHandle, L"efidecompress", OutFileName, Status);
+ ShellStatus = SHELL_DEVICE_ERROR;
+ }
}
}
}
