lib: connection - Require destroy vfunc

Prevents signal 11 crash

diff --git a/src/lib/connection.c b/src/lib/connection.c
index cfc1e956b5b98cdba932b3083eba75571c15e8bc..88311dcd242f14f79e3aa6a99b9bf4d9750ac489 100644 (file)
--- a/src/lib/connection.c
+++ b/src/lib/connection.c
@@ -621,6 +621,7 @@ void connection_set_handlers(struct connection *conn,
                             const struct connection_vfuncs *vfuncs)
 {
        connection_input_halt(conn);
+       i_assert(vfuncs->destroy != NULL);
        conn->v = *vfuncs;
         if (conn->v.input == NULL)
                 conn->v.input = connection_input_default;