Merge "swr-wcd-ctrl: add check for end of soundwire port list"

/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2015-2017, 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

			list_del(&mport->list);

			kfree(mport);

		}

		if (!mport_next) {

		if (!mport_next || (&mport_next->list == &swrm->mport_list)) {

			dev_err(swrm->dev, "%s: end of list\n", __func__);

			break;

		}