From e1734d74454ae88c28c443b743e898eeff53be49 Mon Sep 17 00:00:00 2001
From: "Marc T. Henry de Frahan" <marc.henrydefrahan@nrel.gov>
Date: Thu, 23 Jan 2025 09:27:00 -0700
Subject: [PATCH] Fix another null pointer dereference warning (#101)

---
 src/AMRTiogaIface.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/AMRTiogaIface.cpp b/src/AMRTiogaIface.cpp
index ef393ba..d339c6a 100644
--- a/src/AMRTiogaIface.cpp
+++ b/src/AMRTiogaIface.cpp
@@ -42,6 +42,10 @@ void AMRTiogaIface::register_mesh()
 
     auto* amr_tg_iface =
         dynamic_cast<amr_wind::TiogaInterface*>(m_sim.overset_manager());
+    if (amr_tg_iface == nullptr) {
+        amrex::Abort("Dynamic cast to TiogaInterface failed");
+        return;
+    }
     auto& ad = amr_tg_iface->amr_overset_info();
     auto& mi = *m_info;
 
@@ -75,6 +79,10 @@ void AMRTiogaIface::register_solution(
 {
     auto* amr_tg_iface =
         dynamic_cast<amr_wind::TiogaInterface*>(m_sim.overset_manager());
+    if (amr_tg_iface == nullptr) {
+        amrex::Abort("Dynamic cast to TiogaInterface failed");
+        return;
+    }
     amr_tg_iface->register_solution(cell_vars, node_vars);
     auto& qcell = amr_tg_iface->qvars_cell();
     auto& qnode = amr_tg_iface->qvars_node();