From 42ac5cd0c2ef610f055afb208384e60fc9389e82 Mon Sep 17 00:00:00 2001
From: Artem Chernyshev <artem.chernyshev@talos-systems.com>
Date: Wed, 8 May 2024 16:18:48 +0300
Subject: [PATCH] fix: check for `nil` machine config during installation

Otherwise we get `nil reference` exception during maintenance mode
upgrade with partial machine configs.

Signed-off-by: Artem Chernyshev <artem.chernyshev@talos-systems.com>
---
 cmd/installer/cmd/installer/install.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/installer/cmd/installer/install.go b/cmd/installer/cmd/installer/install.go
index c65069617d..a70fadb76d 100644
--- a/cmd/installer/cmd/installer/install.go
+++ b/cmd/installer/cmd/installer/install.go
@@ -69,7 +69,7 @@ func runInstallCmd(ctx context.Context) (err error) {
 			}
 		}
 
-		if config.Machine().Install().LegacyBIOSSupport() {
+		if config.Machine() != nil && config.Machine().Install().LegacyBIOSSupport() {
 			options.LegacyBIOSSupport = true
 		}
 	}