From a5e348905a510bb2dcf6d7734f5681fb8338cd87 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sun, 31 Aug 2014 00:11:28 -0500
Subject: altoslib: create logfiles preference object. check link in
 existing_data

The logfiles preference hash wasn't getting created, resulting in
crashes.

When there was no link, don't try to load existing data.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 altoslib/AltosTelemetryReader.java | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'altoslib/AltosTelemetryReader.java')

diff --git a/altoslib/AltosTelemetryReader.java b/altoslib/AltosTelemetryReader.java
index 8803e19f..7539452d 100644
--- a/altoslib/AltosTelemetryReader.java
+++ b/altoslib/AltosTelemetryReader.java
@@ -185,6 +185,9 @@ public class AltosTelemetryReader extends AltosFlightReader {
 	}
 
 	private static AltosFlightReader existing_data(AltosLink link) {
+		if (link == null)
+			return null;
+
 		File	file = AltosPreferences.logfile(link.serial);
 		if (file != null) {
 			AltosStateIterable	iterable = AltosStateIterable.iterable(file);
-- 
cgit v1.2.3