From c29c368038354b1bc16ada0535ca2793e45af065 Mon Sep 17 00:00:00 2001
From: Eduardo Almeida <enmsa@outlook.pt>
Date: Sat, 17 Jun 2023 18:19:30 +0000
Subject: [PATCH] dsdv: Fix order of assert to avoid segmentation fault

---
 src/dsdv/model/dsdv-routing-protocol.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/dsdv/model/dsdv-routing-protocol.cc b/src/dsdv/model/dsdv-routing-protocol.cc
index 85080b221..fe169ece5 100644
--- a/src/dsdv/model/dsdv-routing-protocol.cc
+++ b/src/dsdv/model/dsdv-routing-protocol.cc
@@ -1192,20 +1192,20 @@ RoutingProtocol::LookForQueuedPackets()
             if (rt.GetHop() == 1)
             {
                 route = rt.GetRoute();
+                NS_ASSERT(route);
                 NS_LOG_LOGIC("A route exists from " << route->GetSource()
                                                     << " to neighboring destination "
                                                     << route->GetDestination());
-                NS_ASSERT(route);
             }
             else
             {
                 RoutingTableEntry newrt;
                 m_routingTable.LookupRoute(rt.GetNextHop(), newrt);
                 route = newrt.GetRoute();
+                NS_ASSERT(route);
                 NS_LOG_LOGIC("A route exists from " << route->GetSource() << " to destination "
                                                     << route->GetDestination() << " via "
                                                     << rt.GetNextHop());
-                NS_ASSERT(route);
             }
             SendPacketFromQueue(rt.GetDestination(), route);
         }