From 9abacdaacf5ad1211da4fc72f5320ba9c43ff509 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 16 Jul 2019 10:22:02 -0700
Subject: altosuilib: Don't crash when flashing an unknown device

An unknown device will not have a config; check for that before
showing radio calibration dialogs.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 altosuilib/AltosFlashUI.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'altosuilib/AltosFlashUI.java')

diff --git a/altosuilib/AltosFlashUI.java b/altosuilib/AltosFlashUI.java
index ffb39b8c..37ab9661 100644
--- a/altosuilib/AltosFlashUI.java
+++ b/altosuilib/AltosFlashUI.java
@@ -319,7 +319,7 @@ public class AltosFlashUI
 				return false;
 		}
 
-		if (existing_config.radio_calibration_broken) {
+		if (existing_config != null && existing_config.radio_calibration_broken) {
 			int ret = JOptionPane.showConfirmDialog(this,
 								String.format("Radio calibration value %d may be incorrect\nFlash anyways?",
 									      existing_config.radio_calibration),
-- 
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