From 7c3dc910740ae90bd6c18f5649e3b8355ac3752b Mon Sep 17 00:00:00 2001
From: Maciek Borzecki <maciek.borzecki@gmail.com>
Date: Mon, 19 Jan 2015 21:11:01 +0100
Subject: [PATCH] devicechannel: check if streams are non null before calling
 close()

---
 src/devicechannel.vala | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/devicechannel.vala b/src/devicechannel.vala
index 34e6267..8a79a82 100644
--- a/src/devicechannel.vala
+++ b/src/devicechannel.vala
@@ -99,17 +99,20 @@ class DeviceChannel : Object {
 		}
 
 		try {
-			_din.close();
+			if (_din != null)
+				_din.close();
 		} catch (Error e) {
 			critical("failed to close data input: %s", e.message);
 		}
 		try {
-			_dout.close();
+			if (_dout != null)
+				_dout.close();
 		} catch (Error e) {
 			critical("failed to close data output: %s", e.message);
 		}
 		try {
-			_conn.close();
+			if (_conn != null)
+				_conn.close();
 		} catch (Error e) {
 			critical("failed to close connection: %s", e.message);
 		}