Merge "soc: qcom: glink_smem_native_xport: Send blocked signal command"

/* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

	/* Need enough space to write the command and some data */

	if (size <= sizeof(cmd)) {

		einfo->tx_resume_needed = true;

		send_tx_blocked_signal(einfo);

		spin_unlock_irqrestore(&einfo->write_lock, flags);

		srcu_read_unlock(&einfo->use_ref, rcu_id);

		return -EAGAIN;