Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu...@intel.com> Cc: Jaben Carsey <jaben.car...@intel.com> --- ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c | 34 +++++++++++++++--------- 1 file changed, 21 insertions(+), 13 deletions(-)
diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c index 19e8e2f..2e51b4c 100644 --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c @@ -2,7 +2,7 @@ Main file for attrib shell level 2 function. (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> - Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR> + Copyright (c) 2009 - 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 @@ -125,12 +125,16 @@ ShellCommandRunCd ( } else { CwdSize = StrSize(Directory) + sizeof(CHAR16); Cwd = AllocateZeroPool(CwdSize); - ASSERT(Cwd!=NULL); - StrCpyS(Cwd, StrSize(Directory)/sizeof(CHAR16)+1, Directory); - StrCatS(Cwd, StrSize(Directory)/sizeof(CHAR16)+1, L"\\"); - Drive = GetFullyQualifiedPath(Cwd); - PathRemoveLastItem(Drive); - FreePool(Cwd); + if (Cwd == NULL) { + ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, L"cd"); + ShellStatus = SHELL_OUT_OF_RESOURCES; + } else { + StrCpyS (Cwd, StrSize (Directory) / sizeof (CHAR16) + 1, Directory); + StrCatS (Cwd, StrSize (Directory) / sizeof (CHAR16) + 1, L"\\"); + Drive = GetFullyQualifiedPath (Cwd); + PathRemoveLastItem (Drive); + FreePool (Cwd); + } } if (ShellStatus == SHELL_SUCCESS && Drive != NULL) { // @@ -153,12 +157,16 @@ ShellCommandRunCd ( } else { CwdSize = StrSize(Directory) + sizeof(CHAR16); Cwd = AllocateZeroPool(CwdSize); - ASSERT(Cwd!=NULL); - StrCpyS(Cwd, StrSize(Directory)/sizeof(CHAR16)+1, Directory); - StrCatS(Cwd, StrSize(Directory)/sizeof(CHAR16)+1, L"\\"); - Drive = GetFullyQualifiedPath(Cwd); - while (PathRemoveLastItem(Drive)); - FreePool(Cwd); + if (Cwd == NULL) { + ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, L"cd"); + ShellStatus = SHELL_OUT_OF_RESOURCES; + } else { + StrCpyS (Cwd, StrSize (Directory) / sizeof (CHAR16) + 1, Directory); + StrCatS (Cwd, StrSize (Directory) / sizeof (CHAR16) + 1, L"\\"); + Drive = GetFullyQualifiedPath (Cwd); + while (PathRemoveLastItem (Drive)); + FreePool (Cwd); + } } if (ShellStatus == SHELL_SUCCESS && Drive != NULL) { // -- 2.9.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel