From bc568fcc99257731a939d93cd0caa4725e6803e4 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Wed, 8 Sep 2021 14:29:41 +0200
Subject: createConversion(): avoid nullptr dereference on a method without
 parameters

---
 src/iso19111/operation/conversion.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/iso19111/operation/conversion.cpp b/src/iso19111/operation/conversion.cpp
index b8d9c0b7..c1e5cb44 100644
--- a/src/iso19111/operation/conversion.cpp
+++ b/src/iso19111/operation/conversion.cpp
@@ -264,7 +264,8 @@ createConversion(const util::PropertyMap &properties,
                  const std::vector<ParameterValueNNPtr> &values) {
 
     std::vector<OperationParameterNNPtr> parameters;
-    for (int i = 0; mapping->params[i] != nullptr; i++) {
+    for (int i = 0; mapping->params != nullptr && mapping->params[i] != nullptr;
+         i++) {
         const auto *param = mapping->params[i];
         auto paramProperties = util::PropertyMap().set(
             common::IdentifiedObject::NAME_KEY, param->wkt2_name);
-- 
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