From d540d2b5af21c0a89a18b512af0affc1c80cde34 Mon Sep 17 00:00:00 2001
From: Laurent Deru <laurent.deru@cetic.be>
Date: Wed, 10 Sep 2014 16:57:27 +0200
Subject: [PATCH] Allow disabling of DIO suppression as required in RFC

---
 core/net/rpl/rpl-timers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/net/rpl/rpl-timers.c b/core/net/rpl/rpl-timers.c
index 4d4e8ca43..ea7bfe7f2 100644
--- a/core/net/rpl/rpl-timers.c
+++ b/core/net/rpl/rpl-timers.c
@@ -145,7 +145,7 @@ handle_dio_timer(void *ptr)
 
   if(instance->dio_send) {
     /* send DIO if counter is less than desired redundancy */
-    if(instance->dio_counter < instance->dio_redundancy) {
+    if(instance->dio_redundancy != 0 && instance->dio_counter < instance->dio_redundancy) {
 #if RPL_CONF_STATS
       instance->dio_totsend++;
 #endif /* RPL_CONF_STATS */