+/* Dummy needed to use can_rx_offload */
+static struct sk_buff *elmcan_mailbox_read(struct can_rx_offload *offload,
+ unsigned int n, u32 *timestamp,
+ bool drop)
+{
+ WARN_ON(1); /* This function is a dummy, so don't call it! */
+
+ return ERR_PTR(-ENOBUFS);
+}
+