Reviewed-by: Michael D Kinney <[email protected]> 

Mike

> -----Original Message-----
> From: Zeng, Star
> Sent: Thursday, July 19, 2018 3:32 AM
> To: [email protected]
> Cc: Zeng, Star <[email protected]>; Kinney, Michael D
> <[email protected]>
> Subject: [staging/FmpDevicePkg-master][PATCH] FmpDevicePkg
> FmpDxe: Return 0 when LSV check is not required
> 
> Current code return 1 when LSV check is not required,
> but 1 LSV will make 0 Version capsule image update failed.
> 
> 0 LSV is valid, this patch updates the code to return 0
> when
> LSV check is not required
> We can see even the DEFAULT_LOWESTSUPPORTEDVERSION is 0.
> 
> Cc: Michael D Kinney <[email protected]>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Star Zeng <[email protected]>
> ---
>  FmpDevicePkg/FmpDxe/FmpDxe.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/FmpDevicePkg/FmpDxe/FmpDxe.c
> b/FmpDevicePkg/FmpDxe/FmpDxe.c
> index c0c1383723fb..d6b599ee1a56 100644
> --- a/FmpDevicePkg/FmpDxe/FmpDxe.c
> +++ b/FmpDevicePkg/FmpDxe/FmpDxe.c
> @@ -210,12 +210,15 @@ GetLowestSupportedVersion (
>    // Get the LowestSupportedVersion.
>    //
> 
> -  DeviceLibLowestSupportedVersion =
> DEFAULT_LOWESTSUPPORTEDVERSION;
> -  ReturnLsv = PcdGet32
> (PcdFmpDeviceBuildTimeLowestSupportedVersion);
>    if (!IsLowestSupportedVersionCheckRequired ()) {
> -    return 1;
> +    //
> +    // Any Versioon can pass the 0 LowestSupportedVersion
> check.
> +    //
> +    return 0;
>    }
> 
> +  ReturnLsv = PcdGet32
> (PcdFmpDeviceBuildTimeLowestSupportedVersion);
> +
>    //
>    // Check the FmpDeviceLib
>    //
> --
> 2.7.0.windows.1

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