chcr: Fix CPU hard lockup

static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info,

					     int new_state)

{

	unsigned long flags;

	/* This function can be called from both rx (interrupt context) and tx

	 * queue contexts.

	 */

	spin_lock_irqsave(&tx_info->lock, flags);

	spin_lock_bh(&tx_info->lock);

	switch (tx_info->connection_state) {

	case KTLS_CONN_CLOSED:

		tx_info->connection_state = new_state;

		pr_err("unknown KTLS connection state\n");

		break;

	}

	spin_unlock_irqrestore(&tx_info->lock, flags);

	spin_unlock_bh(&tx_info->lock);

	return tx_info->connection_state;

}