From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sat, 15 Jun 2019 10:42:46 +0000 (+0200)
Subject: efi_loader: Blt() with incorrect BltOperation
X-Git-Tag: v2019.07~20^2~15
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=3352b306bf63f79f2dc261b950be12bd41ba8bb1;p=oweals%2Fu-boot.git

efi_loader: Blt() with incorrect BltOperation

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

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---

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)