Fix: Missing NULL check in bt_ctf_field_sequence_destroy

A sequence's "elements" array might be NULL if
bt_ctf_field_sequence_set_length() was never called during its lifetime.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/formats/ctf/ir/event-fields.c b/formats/ctf/ir/event-fields.c
index 00c38c1f72a2a8236b89cf27cd8d6dd916c1fe04..2ca21f10059b05bc1a459a79ef7334d8749a8afc 100644 (file)
--- a/formats/ctf/ir/event-fields.c
+++ b/formats/ctf/ir/event-fields.c
@@ -1394,7 +1394,9 @@ void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field)
        }
 
        sequence = container_of(field, struct bt_ctf_field_sequence, parent);
-       g_ptr_array_free(sequence->elements, TRUE);
+       if (sequence->elements) {
+               g_ptr_array_free(sequence->elements, TRUE);
+       }
        bt_ctf_field_put(sequence->length);
        g_free(sequence);
 }