pyldb: Add warning about pyldb_MessageElement_AsMessageElement()

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
(cherry picked from commit 02de793e013c1905cccc0c760bb64f45d37e3051)

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/ldb/pyldb.h b/lib/ldb/pyldb.h
index f8aea2242b4..e0cce1e89d2 100644
--- a/lib/ldb/pyldb.h
+++ b/lib/ldb/pyldb.h
@@ -60,11 +60,18 @@ typedef struct {
 } PyLdbModuleObject;
 #define pyldb_Module_AsModule(pyobj) ((PyLdbModuleObject *)pyobj)->mod
 
+/*
+ * NOTE: el (and so the return value of
+ * pyldb_MessageElement_AsMessageElement()) may not be a valid talloc
+ * context, it could be part of an array
+ */
+
 typedef struct {
 	PyObject_HEAD
 	TALLOC_CTX *mem_ctx;
 	struct ldb_message_element *el;
 } PyLdbMessageElementObject;
+
 #define pyldb_MessageElement_AsMessageElement(pyobj) ((PyLdbMessageElementObject *)pyobj)->el
 
 typedef struct {