X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosdroid%2Fsrc%2Forg%2Faltusmetrum%2FAltosDroid%2FAltosBluetooth.java;h=51937b7faa6999f7c125188aa7a5e1be35f4c861;hb=c5f49d0ac254047f13c6c1ecfb5520eff72109ac;hp=15efc0e2a72294765626ce97fa5ace879f4b8702;hpb=21d176f161b90f18f236ef887cef9676d712eee3;p=fw%2Faltos

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/AltosBluetooth.java b/altosdroid/src/org/altusmetrum/AltosDroid/AltosBluetooth.java
index 15efc0e2..51937b7f 100644
--- a/altosdroid/src/org/altusmetrum/AltosDroid/AltosBluetooth.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/AltosBluetooth.java
@@ -199,6 +199,8 @@ public class AltosBluetooth extends AltosDroidLink {
 	}
 
 	int write(byte[] buffer, int len) {
+		if (output == null)
+			return -1;
 		try {
 			output.write(buffer, 0, len);
 		} catch (IOException ie) {
@@ -208,6 +210,8 @@ public class AltosBluetooth extends AltosDroidLink {
 	}
 
 	int read(byte[] buffer, int len) {
+		if (input == null)
+			return -1;
 		try {
 			return input.read(buffer, 0, len);
 		} catch (IOException ie) {