fixed a memory leak on errors in some circumstances #159812 Daniel

* xpath.c: fixed a memory leak on errors in some circumstances #159812
Daniel

1 files changed, 3 insertions, 0 deletions

diff --git a/xpath.c b/xpath.c
index 8afbb34b..20e38f48 100644
--- a/xpath.c
+++ b/xpath.c
@@ -3917,9 +3917,12 @@ xmlXPathNewContext(xmlDocPtr doc) {
  */
 void
 xmlXPathFreeContext(xmlXPathContextPtr ctxt) {
+    if (ctxt == NULL) return;
+
     xmlXPathRegisteredNsCleanup(ctxt);
     xmlXPathRegisteredFuncsCleanup(ctxt);
     xmlXPathRegisteredVariablesCleanup(ctxt);
+    xmlResetError(&ctxt->lastError);
     xmlFree(ctxt);
 }