s4-samdb: make sure the static credentials are never freed

1 files changed, 9 insertions, 0 deletions

diff --git a/source4/dsdb/samdb/samdb.c b/source4/dsdb/samdb/samdb.c
index c56782bb49..70f0409c3d 100644
--- a/source4/dsdb/samdb/samdb.c
+++ b/source4/dsdb/samdb/samdb.c
@@ -73,6 +73,14 @@ char *samdb_relative_path(struct ldb_context *ldb,
 }
 
 /*
+  make sure the static credentials are not freed
+ */
+static int samdb_credentials_destructor(struct cli_credentials *creds)
+{
+	return -1;
+}
+
+/*
   this returns a static set of system credentials. It is static so
   that we always get the same pointer in ldb_wrap_connect()
  */
@@ -104,6 +112,7 @@ struct cli_credentials *samdb_credentials(struct tevent_context *event_ctx,
 		return NULL;
 	}
 	static_credentials = cred;
+	talloc_set_destructor(cred, samdb_credentials_destructor);
 	return cred;
 }