restore original information when redirection fails inside a command using the split...

Signed-off-by: jcarsey
Reviewed-by: darylm503
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11831 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/ShellPkg/Application/Shell/ShellParametersProtocol.c b/ShellPkg/Application/Shell/ShellParametersProtocol.c
index 5d2792ba30b233c095a1a8818d3a5c9338b7de19..99a7294842894f423208d2308de613bb9c704126 100644 (file)
--- a/ShellPkg/Application/Shell/ShellParametersProtocol.c
+++ b/ShellPkg/Application/Shell/ShellParametersProtocol.c
@@ -886,6 +886,9 @@ UpdateStdInStdOutStdErr(
       ||(StdErrFileName != NULL && !ErrUnicode && ErrAppend && (!EFI_ERROR(ShellFileExists(StdErrFileName)) && !EFI_ERROR(IsUnicodeFile(StdErrFileName))))\r
       ){\r
       Status = EFI_INVALID_PARAMETER;\r
+      ShellParameters->StdIn  = *OldStdIn;\r
+      ShellParameters->StdOut = *OldStdOut;\r
+      ShellParameters->StdErr = *OldStdErr;\r
     } else if (!EFI_ERROR(Status)){\r
       //\r
       // Open the Std<Whatever> and we should not have conflicts here...\r