Reviewed-by: Ruiyu Ni <ruiyu...@intel.com>

Thanks/Ray

> -----Original Message-----
> From: edk2-devel <edk2-devel-boun...@lists.01.org> On Behalf Of Marvin
> Häuser
> Sent: Sunday, May 6, 2018 4:23 AM
> To: edk2-devel@lists.01.org
> Cc: Carsey, Jaben <jaben.car...@intel.com>; Ni, Ruiyu <ruiyu...@intel.com>
> Subject: [edk2] [PATCH] ShellPkg/UefiShellLevel2CommandsLib: Support
> unspecified local Timezone.
> 
> EFI_RUNTIME_SERVICES.GetTime() might return an unspecified Timezone,
> such as when SetTime() has not been called after the PC-AT CMOS RTC
> was cut off power. Consider this case by not attempting Timezone
> translations for when it is invalid.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Marvin Haeuser <marvin.haeu...@outlook.com>
> ---
>  ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
> b/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
> index 7d2e15f5206b..73804b4516ba 100644
> --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
> +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
> @@ -2,7 +2,7 @@
>    Main file for ls shell level 2 function.
> 
>    (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
> -  Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
> +  Copyright (c) 2009 - 2018, 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
> @@ -506,7 +506,7 @@ PrintLsOutput(
>        // Change the file time to local time.
>        //
>        Status = gRT->GetTime(&LocalTime, NULL);
> -      if (!EFI_ERROR (Status)) {
> +      if (!EFI_ERROR (Status) && (LocalTime.TimeZone !=
> EFI_UNSPECIFIED_TIMEZONE)) {
>          if ((Node->Info->CreateTime.TimeZone != EFI_UNSPECIFIED_TIMEZONE)
> &&
>              (Node->Info->CreateTime.Month >= 1 && Node->Info-
> >CreateTime.Month <= 12)) {
>            //
> --
> 2.17.0.windows.1
> 
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