ldb: Check result of py_ldb_msg_keys()

Passing NULL into PyObject_GetIter() can cause a segmentation fault.

Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/lib/ldb/pyldb.c b/lib/ldb/pyldb.c
index f416bfe6d5d70551f1c3d04c4abc4e8e398e9429..d54a952ac011138115035c414d1655f2f2caac52 100644 (file)
--- a/lib/ldb/pyldb.c
+++ b/lib/ldb/pyldb.c
@@ -4143,6 +4143,9 @@ static PyObject *py_ldb_msg_iter(PyObject *self)
        PyObject *list, *iter;
 
        list = py_ldb_msg_keys(self, NULL);
+       if (list == NULL) {
+               return NULL;
+       }
        iter = PyObject_GetIter(list);
        Py_DECREF(list);
        return iter;