From badc1cd714522420234f3d9dc0ead4b1bb5f3411 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sun, 5 Jan 2025 20:41:10 +0100
Subject: [PATCH] GDALDataset::BuildOverviews(): fix memleak in error code path
 (master only)

---
 gcore/gdaldataset.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcore/gdaldataset.cpp b/gcore/gdaldataset.cpp
index ca17538cead6..a6bf53191298 100644
--- a/gcore/gdaldataset.cpp
+++ b/gcore/gdaldataset.cpp
@@ -2160,6 +2160,7 @@ CPLErr GDALDataset::BuildOverviews(const char *pszResampling, int nOverviews,
                      "panOverviewList[%d] = %d is invalid. It must be a "
                      "positive value",
                      i, panOverviewList[i]);
+            CPLFree(panAllBandList);
             return CE_Failure;
         }
     }