Merge commit 'cbef2a6' into bfgminer

miner.c

@@ -1998,6 +1998,9 @@ static void __kill_work(void)
 	struct thr_info *thr;
 	int i;
 
+	if (!successful_connect)
+		return;
+
 	applog(LOG_INFO, "Received kill message");
 
 	applog(LOG_DEBUG, "Killing off watchpool thread");