// SPDX-License-Identifier: GPL-2.0 #include <linux/efi_embedded_fw.h>#include <linux/property.h>#include <linux/security.h>#include <linux/vmalloc.h> #include "fallback.h"#include "firmware.h" int firmware_fallback_platform(struct fw_priv *fw_priv){	const u8 *data;	size_t size;	int rc; 	if (!(fw_priv->opt_flags & FW_OPT_FALLBACK_PLATFORM))		return -ENOENT; 	rc = security_kernel_load_data(LOADING_FIRMWARE, true);	if (rc)		return rc; 	rc = efi_get_embedded_fw(fw_priv->fw_name, &data, &size);	if (rc)		return rc; /* rc == -ENOENT when the fw was not found */ 	if (fw_priv->data && size > fw_priv->allocated_size)		return -ENOMEM; 	rc = security_kernel_post_load_data((u8 *)data, size, LOADING_FIRMWARE,						"platform");	if (rc)		return rc; 	if (!fw_priv->data)		fw_priv->data = vmalloc(size);	if (!fw_priv->data)		return -ENOMEM; 	memcpy(fw_priv->data, data, size);	fw_priv->size = size;	fw_state_done(fw_priv);	return 0;}