From a371253bb5fc25e34d87507dc9b814530f4e28f6 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Mon, 9 May 2016 17:57:12 -0700 Subject: [PATCH] altosdroid: Check for closed before writing/reading bluetooth Signed-off-by: Keith Packard --- altosdroid/src/org/altusmetrum/AltosDroid/AltosBluetooth.java | 4 ++++ 1 file changed, 4 insertions(+) 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) { -- 2.30.2