Merge "msm: ipa3: fix DMA memory allocation success check" into msm-4.9

/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2017, 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

	params->nhash_hdr.base = dma_alloc_coherent(ipahal_ctx->ipa_pdev,

		params->nhash_hdr.size,

		&params->nhash_hdr.phys_base, GFP_KERNEL);

	if (!params->nhash_hdr.size) {

	if (!params->nhash_hdr.base) {

		IPAHAL_ERR("fail to alloc DMA buff of size %d\n",

			params->nhash_hdr.size);

		goto nhash_alloc_fail;