X-Git-Url: https://git.decadent.org.uk/gitweb/?p=odhcp6c.git;a=blobdiff_plain;f=src%2Fra.c;h=3e36f94692e14921cb9aa94132d032181cf654e1;hp=570ff6fef28c7e5950c989d79b365a6844835982;hb=fd9801a99fa0d3eea8aad5d19c5c8db8cb779a82;hpb=b146f9adc80cc2c2cdf2b04bfeec4c861a2a0e23

diff --git a/src/ra.c b/src/ra.c
index 570ff6f..3e36f94 100644
--- a/src/ra.c
+++ b/src/ra.c
@@ -1,5 +1,5 @@
 /**
- * Copyright (C) 2012-2013 Steven Barth <steven@midlink.org>
+ * Copyright (C) 2012-2014 Steven Barth <steven@midlink.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License v2 as published by
@@ -311,11 +311,13 @@ bool ra_process(void)
 			update_proc("conf", "hop_limit", adv->nd_ra_curhoplimit);
 
 		// Parse ND parameters
-		if (ntohl(adv->nd_ra_reachable) <= 3600000)
-			update_proc("neigh", "base_reachable_time_ms", ntohl(adv->nd_ra_reachable));
+		uint32_t reachable = ntohl(adv->nd_ra_reachable);
+		if (reachable > 0 && reachable <= 3600000)
+			update_proc("neigh", "base_reachable_time_ms", reachable);
 
-		if (ntohl(adv->nd_ra_retransmit) <= 60000)
-			update_proc("neigh", "retrans_time_ms", ntohl(adv->nd_ra_retransmit));
+		uint32_t retransmit = ntohl(adv->nd_ra_retransmit);
+		if (retransmit > 0 && retransmit <= 60000)
+			update_proc("neigh", "retrans_time_ms", retransmit);
 
 
 		// Evaluate options