fix trivial bug in suppression of general pings

diff --git a/hostside/startup.c b/hostside/startup.c
index 1496e9754aeb2c8f028099095cd484546194333d..250697f9df7004698f03684e4945637b4b55599b 100644 (file)
--- 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);