If EFI_GRAPHICS_OUTPUT_PROTOCOL.Blt() is called with an invalid value of
BltOperation return EFI_INVALID_PARAMETER.

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
 lib/efi_loader/efi_gop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c
index e003823b60..9428c3b83c 100644
--- a/lib/efi_loader/efi_gop.c
+++ b/lib/efi_loader/efi_gop.c
@@ -367,7 +367,7 @@ efi_status_t EFIAPI gop_blt(struct efi_gop *this, struct 
efi_gop_pixel *buffer,
                                         dy, width, height, delta, vid_bpp);
                break;
        default:
-               ret = EFI_UNSUPPORTED;
+               ret = EFI_INVALID_PARAMETER;
        }

        if (ret != EFI_SUCCESS)
--
2.20.1

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