RipNg: avoid calling null error callback

2016-01-08 01:43:55 +01:00
parent add77be0ab
commit 045b08e7a8
1 changed files with 4 additions and 1 deletions
--- a/src/internet/model/ripng.cc
+++ b/src/internet/model/ripng.cc
@@ -224,7 +224,10 @@ bool RipNg::RouteInput (Ptr<const Packet> p, const Ipv6Header &header, Ptr<const
      header.GetSourceAddress ().IsLinkLocal ())
    {
      NS_LOG_LOGIC ("Dropping packet not for me and with src or dst LinkLocal");
-      ecb (p, header, Socket::ERROR_NOROUTETOHOST);
+      if (!ecb.IsNull ())
+        {
+          ecb (p, header, Socket::ERROR_NOROUTETOHOST);
+        }
      return false;
    }