Merge "clk: msm: msm-clock-controller: check for null along with error"

/*

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

 * Copyright (c) 2014, 2016, 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

	}

	parser = msmclk_parser_lookup(np);

	if (IS_ERR(parser)) {

	if (IS_ERR_OR_NULL(parser)) {

		dt_err(np, "no parser found\n");

		return ERR_PTR(-EINVAL);

	}