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authorTom Rini <trini@konsulko.com>2020-05-22 10:27:24 -0400
committerTom Rini <trini@konsulko.com>2020-05-22 10:27:24 -0400
commit2fdb5cd69ce05392f2f7e556484a34ed0a77f43c (patch)
tree816ccdec2782678913b822218b4884a0af21d839 /lib/efi_loader/efi_disk.c
parent74ce1f8c6f29ddc153d31d01703980c99ee7a7ee (diff)
parent0a87e05dbd1b6ddafd61603e2a9c12659168ae65 (diff)
Merge tag 'efi-2020-07-rc3-2' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
Pull request for UEFI sub-system for efi-2020-07-rc3 (2) Problems fixed with these patches are: * UEFI sub-system not working with virtio block devices * Missing SATA support in UEFI sub-system * A superfluous debug statement
Diffstat (limited to 'lib/efi_loader/efi_disk.c')
-rw-r--r--lib/efi_loader/efi_disk.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c
index 9176008c0e..670bf2b8ef 100644
--- a/lib/efi_loader/efi_disk.c
+++ b/lib/efi_loader/efi_disk.c
@@ -356,6 +356,7 @@ static efi_status_t efi_disk_add_dev(
struct efi_disk_obj **disk)
{
struct efi_disk_obj *diskobj;
+ struct efi_object *handle;
efi_status_t ret;
/* Don't add empty devices */
@@ -379,15 +380,25 @@ static efi_status_t efi_disk_add_dev(
diskobj->dp = efi_dp_from_part(desc, part);
}
diskobj->part = part;
- ret = efi_add_protocol(&diskobj->header, &efi_block_io_guid,
- &diskobj->ops);
- if (ret != EFI_SUCCESS)
- return ret;
- ret = efi_add_protocol(&diskobj->header, &efi_guid_device_path,
- diskobj->dp);
+
+ /*
+ * Install the device path and the block IO protocol.
+ *
+ * InstallMultipleProtocolInterfaces() checks if the device path is
+ * already installed on an other handle and returns EFI_ALREADY_STARTED
+ * in this case.
+ */
+ handle = &diskobj->header;
+ ret = EFI_CALL(efi_install_multiple_protocol_interfaces(
+ &handle, &efi_guid_device_path, diskobj->dp,
+ &efi_block_io_guid, &diskobj->ops, NULL));
if (ret != EFI_SUCCESS)
return ret;
- /* partitions or whole disk without partitions */
+
+ /*
+ * On partitions or whole disks without partitions install the
+ * simple file system protocol if a file system is available.
+ */
if ((part || desc->part_type == PART_TYPE_UNKNOWN) &&
efi_fs_exists(desc, part)) {
diskobj->volume = efi_simple_file_system(desc, part,