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allow for failure return when called without a shell present.

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signed-off-by: jcarsey
reviewed-by: lgrosenb

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11894 6f19259b-4bc3-4df7-8a09-765794883524
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jcarsey
2011-06-27 16:45:41 +00:00
parent febb227679
commit 8bd282bee9
1 changed files with 6 additions and 3 deletions
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7
ShellPkg/Library/UefiShellLib/UefiShellLib.c
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@ -1214,11 +1214,14 @@ ShellGetCurrentDir (
return (mEfiShellProtocol->GetCurDir(DeviceName)); return (mEfiShellProtocol->GetCurDir(DeviceName));
} }
// //
// ASSERT that we must have EFI shell // Check for EFI shell
// //
ASSERT(mEfiShellEnvironment2 != NULL); if (mEfiShellEnvironment2 != NULL) {
return (mEfiShellEnvironment2->CurDir(DeviceName)); return (mEfiShellEnvironment2->CurDir(DeviceName));
} }
return (NULL);
}
/** /**
sets (enabled or disabled) the page break mode sets (enabled or disabled) the page break mode