blob: c88c745590feb927a10537ce7e8380f119193077 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
// 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, enum fw_opt opt_flags)
{
const u8 *data;
size_t size;
int rc;
if (!(opt_flags & FW_OPT_FALLBACK_PLATFORM))
return -ENOENT;
rc = security_kernel_load_data(LOADING_FIRMWARE_EFI_EMBEDDED);
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 */
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;
}
|
