From 39cfd156b2f9ebd4e5129b73630f3b438815446c Mon Sep 17 00:00:00 2001
From: adamdunkels <adamdunkels>
Date: Wed, 3 Nov 2010 07:53:12 +0000
Subject: [PATCH] Bugfix: avoid sending bogus data over the radio when no
 prefix is set; bug reported by mathieupouillot

---
 examples/ipv6/rpl-border-router/border-router.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/examples/ipv6/rpl-border-router/border-router.c b/examples/ipv6/rpl-border-router/border-router.c
index cba939212..0a749dc71 100644
--- a/examples/ipv6/rpl-border-router/border-router.c
+++ b/examples/ipv6/rpl-border-router/border-router.c
@@ -171,16 +171,19 @@ print_local_addresses(void)
 }
 /*---------------------------------------------------------------------------*/
 void
-request_prefix(void) {
+request_prefix(void)
+{
   /* mess up uip_buf with a dirty request... */
   uip_buf[0] = '!';
   uip_buf[1] = 'P';
   uip_len = 2;
   slip_send();
+  uip_len = 0;
 }
 /*---------------------------------------------------------------------------*/
 void
-set_prefix_64(uip_ipaddr_t *prefix_64) {
+set_prefix_64(uip_ipaddr_t *prefix_64)
+{
   uip_ipaddr_t ipaddr;
   memcpy(&prefix, prefix_64, 16);
   memcpy(&ipaddr, prefix_64, 16);
@@ -200,7 +203,6 @@ PROCESS_THREAD(border_router_process, ev, data)
   PROCESS_PAUSE();
 
   process_start(&webserver_nogui_process, NULL);
-
   SENSORS_ACTIVATE(button_sensor);
 
   PRINTF("RPL-Border router started\n");