From ac3979abd7a38725b66c1ce0607fa905b3a3d782 Mon Sep 17 00:00:00 2001
From: Jan Janssen <medhefgo@web.de>
Date: Fri, 11 Feb 2022 13:17:23 +0100
Subject: [PATCH] boot: Correctly check the return value of CheckEvent

Fixes: #22428
---
 src/boot/efi/console.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/boot/efi/console.c b/src/boot/efi/console.c
index 3a0cf535e15..cd5c8b63480 100644
--- a/src/boot/efi/console.c
+++ b/src/boot/efi/console.c
@@ -147,7 +147,7 @@ EFI_STATUS console_key_read(UINT64 *key, UINT64 timeout_usec) {
                 }
 
                 return EFI_NOT_READY;
-        } else if (BS->CheckEvent(ST->ConIn->WaitForKey)) {
+        } else if (!EFI_ERROR(BS->CheckEvent(ST->ConIn->WaitForKey))) {
                 EFI_INPUT_KEY k;
 
                 err = ST->ConIn->ReadKeyStroke(ST->ConIn, &k);
-- 
2.47.3