From 3fa838d85554b050c467235cdec5f5831c45fe4e Mon Sep 17 00:00:00 2001
From: Ulysse Buonomo <buonomo.ulysse@gmail.com>
Date: Thu, 13 Oct 2022 15:45:07 +0200
Subject: [PATCH] fix leak

---
 ext/geos_c_impl/polygon.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/ext/geos_c_impl/polygon.c b/ext/geos_c_impl/polygon.c
index 5ec96146..15ecc57e 100644
--- a/ext/geos_c_impl/polygon.c
+++ b/ext/geos_c_impl/polygon.c
@@ -252,6 +252,8 @@ cmethod_create(VALUE module,
   exterior_geom = rgeo_convert_to_detached_geos_geometry(
     exterior, factory, linear_ring_type, NULL, &state);
   if (state) {
+    if (exterior_geom)
+      GEOSGeom_destroy(exterior_geom);
     rb_exc_raise(rb_errinfo());
   }
   if (!exterior_geom) {
@@ -269,12 +271,12 @@ cmethod_create(VALUE module,
                                                linear_ring_type,
                                                NULL,
                                                &state);
+      if (state || !interior_geom) {
+        break;
+      }
       if (interior_geom) {
         interior_geoms[actual_len++] = interior_geom;
       }
-      if (state) {
-        break;
-      }
     }
     if (len == actual_len) {
       polygon =