[PATCH 2/2] msi: Disable WoW redirection when installing a 64-bit package.

[Hans Leidekker]

> --- a/dlls/msi/action.c
> +++ b/dlls/msi/action.c
> @@ -559,6 +559,7 @@ static UINT ACTION_ProcessExecSequence(MSIPACKAGE *package)
>          '`','S','e','q','u','e','n','c','e','`',' ', '>',' ','0',' ',
>          'O','R','D','E','R',' ', 'B','Y',' ','`','S','e','q','u','e','n','c','e','`',0};
>      MSIQUERY *view;
> +    void *cookie;
>      UINT rc;
>  
>      if (package->ExecuteSequenceRun)
> @@ -569,6 +570,9 @@ static UINT ACTION_ProcessExecSequence(MSIPACKAGE *package)
>  
>      package->ExecuteSequenceRun = TRUE;
>  
> +    if (is_wow64 && package->platform == PLATFORM_X64)
> +        Wow64DisableWow64FsRedirection(&cookie);
> +
>      rc = MSI_OpenQuery(package->db, &view, query);
>      if (rc == ERROR_SUCCESS)
>      {
> @@ -578,6 +582,10 @@ static UINT ACTION_ProcessExecSequence(MSIPACKAGE *package)
>          rc = MSI_IterateRecords(view, NULL, ITERATE_Actions, package);
>          msiobj_release(&view->hdr);
>      }
> +
> +    if (is_wow64 && package->platform == PLATFORM_X64)
> +        Wow64RevertWow64FsRedirection(cookie);
> +

Installs can also be driven by MsiDoAction calls or by MsiSequence. It
seems to me that ACTION_PerformAction would be the right place to do
this.