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efi_loader: LoadImage() check parent image

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If the parent image handle does not refer to a loaded image return
EFI_INVALID_PARAMETER.
(UEFI SCT II 2017: 3.4.1 LoadImage() - 5.1.4.1.1)

Mark our root node as a loaded image to avoid an error when using it as
parent image.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt
2019-05-05 16:55:06 +02:00
parent e7c3cd6b67
commit 84a918e8ce
3 changed files with 33 additions and 23 deletions
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48
lib/efi_loader/efi_root_node.c
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@@ -28,6 +28,7 @@ struct efi_root_dp {
*/
efi_status_t efi_root_node_register(void)
{
efi_status_t ret;
struct efi_root_dp *dp;
/* Create device path protocol */
@@ -47,28 +48,31 @@ efi_status_t efi_root_node_register(void)
dp->end.length = sizeof(struct efi_device_path);
/* Create root node and install protocols */
return EFI_CALL(efi_install_multiple_protocol_interfaces(&efi_root,
/* Device path protocol */
&efi_guid_device_path, dp,
/* Device path to text protocol */
&efi_guid_device_path_to_text_protocol,
(void *)&efi_device_path_to_text,
/* Device path utilities protocol */
&efi_guid_device_path_utilities_protocol,
(void *)&efi_device_path_utilities,
/* Unicode collation protocol */
&efi_guid_unicode_collation_protocol,
(void *)&efi_unicode_collation_protocol,
ret = EFI_CALL(efi_install_multiple_protocol_interfaces
(&efi_root,
/* Device path protocol */
&efi_guid_device_path, dp,
/* Device path to text protocol */
&efi_guid_device_path_to_text_protocol,
(void *)&efi_device_path_to_text,
/* Device path utilities protocol */
&efi_guid_device_path_utilities_protocol,
(void *)&efi_device_path_utilities,
/* Unicode collation protocol */
&efi_guid_unicode_collation_protocol,
(void *)&efi_unicode_collation_protocol,
#if CONFIG_IS_ENABLED(EFI_LOADER_HII)
/* HII string protocol */
&efi_guid_hii_string_protocol,
(void *)&efi_hii_string,
/* HII database protocol */
&efi_guid_hii_database_protocol,
(void *)&efi_hii_database,
/* HII configuration routing protocol */
&efi_guid_hii_config_routing_protocol,
(void *)&efi_hii_config_routing,
/* HII string protocol */
&efi_guid_hii_string_protocol,
(void *)&efi_hii_string,
/* HII database protocol */
&efi_guid_hii_database_protocol,
(void *)&efi_hii_database,
/* HII configuration routing protocol */
&efi_guid_hii_config_routing_protocol,
(void *)&efi_hii_config_routing,
#endif
NULL));
NULL));
efi_root->type = EFI_OBJECT_TYPE_U_BOOT_FIRMWARE;
return ret;
}