From 7f18ced0b4a85c22586e09798d901480a2e7f39f Mon Sep 17 00:00:00 2001
From: "Roger A. Light" <roger@atchoo.org>
Date: Thu, 26 Jun 2014 22:13:22 +0100
Subject: [PATCH] Close websockets connection if we are set to disconnecting.

---
 src/websockets.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/websockets.c b/src/websockets.c
index 8594e18f..29bdd89f 100644
--- a/src/websockets.c
+++ b/src/websockets.c
@@ -138,6 +138,10 @@ static int callback_mqtt(struct libwebsocket_context *context,
 
 		case LWS_CALLBACK_SERVER_WRITEABLE:
 			mosq = u->mosq;
+			if(mosq->state == mosq_cs_disconnecting){
+				return -1;
+			}
+
 			if(mosq->out_packet && !mosq->current_out_packet){
 				mosq->current_out_packet = mosq->out_packet;
 				mosq->out_packet = mosq->out_packet->next;