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fix unaligned device path node access. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11089 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jcarsey 2010-11-24 16:12:11 +00:00
parent d7f791184b
commit f50204289c
1 changed files with 5 additions and 1 deletions
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6
ShellPkg/Application/Shell/ShellProtocol.c
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@ -386,6 +386,7 @@ EfiShellGetFilePathFromDevicePath(
EFI_HANDLE MapHandle; EFI_HANDLE MapHandle;
EFI_STATUS Status; EFI_STATUS Status;
FILEPATH_DEVICE_PATH *FilePath; FILEPATH_DEVICE_PATH *FilePath;
FILEPATH_DEVICE_PATH *AlignedNode;
PathForReturn = NULL; PathForReturn = NULL;
PathSize = 0; PathSize = 0;
@ -436,7 +437,10 @@ EfiShellGetFilePathFromDevicePath(
// //
ASSERT((PathForReturn == NULL && PathSize == 0) || (PathForReturn != NULL)); ASSERT((PathForReturn == NULL && PathSize == 0) || (PathForReturn != NULL));
PathForReturn = StrnCatGrow(&PathForReturn, &PathSize, L"\\", 1); PathForReturn = StrnCatGrow(&PathForReturn, &PathSize, L"\\", 1);
PathForReturn = StrnCatGrow(&PathForReturn, &PathSize, FilePath->PathName, 0);
AlignedNode = AllocateCopyPool (DevicePathNodeLength(FilePath), FilePath);
PathForReturn = StrnCatGrow(&PathForReturn, &PathSize, AlignedNode->PathName, 0);
FreePool(AlignedNode);
} }
} // for loop of remaining nodes } // for loop of remaining nodes
} }