From: ian <ian>
Date: Mon, 14 Jul 2008 22:14:05 +0000 (+0000)
Subject: fix trivial bug in suppression of general pings
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ijackson/git?a=commitdiff_plain;h=512f6263c59ba196e63c0d7cd745d9ad14b7c446;p=trains.git

fix trivial bug in suppression of general pings
---

diff --git a/hostside/startup.c b/hostside/startup.c
index 1496e97..250697f 100644
--- a/hostside/startup.c
+++ b/hostside/startup.c
@@ -25,7 +25,7 @@ static void timedout_ping(TimeoutEvent *toev) {
 
 static void timefor_ping(TimeoutEvent *toev) {
   enco_pic_ping(&piob, pong_seq ^ PING_PONG_PATTERN);
-  serial_transmit_maybenosim(&piob, toev->pclass == toev_fast_pclass);
+  serial_transmit_maybenosim(&piob, toev && toev->pclass == toev_fast_pclass);
   ping_toev.callback= timedout_ping;
   ping_toev.pclass= "startup";
   toev_start(&ping_toev);