[PATCH 1/1] efi_driver: fix efi_uc_stop()

[Heinrich Schuchardt]

Use the correct protocol in efi_uc_stop() when detaching the driver from
the controller.

Change the block IO unit test for the block device driver to throw an error
instead of a todo if teardown fails.

Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
 lib/efi_driver/efi_uclass.c                  | 7 ++++---
 lib/efi_selftest/efi_selftest_block_device.c | 4 ++--
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/efi_driver/efi_uclass.c b/lib/efi_driver/efi_uclass.c
index b14746e6b1..40269b00dc 100644
--- a/lib/efi_driver/efi_uclass.c
+++ b/lib/efi_driver/efi_uclass.c
@@ -197,7 +197,8 @@ static efi_status_t EFIAPI efi_uc_stop(
        efi_status_t ret;
        efi_uintn_t count;
        struct efi_open_protocol_info_entry *entry_buffer;
-       efi_guid_t *guid_controller = NULL;
+       struct efi_driver_binding_extended_protocol *bp =
+                       (struct efi_driver_binding_extended_protocol *)this;

        EFI_ENTRY("%p, %pUl, %zu, %p", this, controller_handle,
                  number_of_children, child_handle_buffer);
@@ -217,7 +218,7 @@ static efi_status_t EFIAPI efi_uc_stop(

        /* Destroy all children */
        ret = EFI_CALL(systab.boottime->open_protocol_information(
-                                       controller_handle, guid_controller,
+                                       controller_handle, bp->ops->protocol,
                                        &entry_buffer, &count));
        if (ret != EFI_SUCCESS)
                goto out;
@@ -237,7 +238,7 @@ static efi_status_t EFIAPI efi_uc_stop(

        /* Detach driver from controller */
        ret = EFI_CALL(systab.boottime->close_protocol(
-                       controller_handle, guid_controller,
+                       controller_handle, bp->ops->protocol,
                        this->driver_binding_handle, controller_handle));
 out:
        return EFI_EXIT(ret);
diff --git a/lib/efi_selftest/efi_selftest_block_device.c 
b/lib/efi_selftest/efi_selftest_block_device.c
index 644c5ade21..d98a854e6d 100644
--- a/lib/efi_selftest/efi_selftest_block_device.c
+++ b/lib/efi_selftest/efi_selftest_block_device.c
@@ -257,9 +257,9 @@ static int teardown(void)
                                disk_handle, &block_io_protocol_guid,
                                &block_io);
                if (r != EFI_SUCCESS) {
-                       efi_st_todo(
+                       efi_st_error(
                                "Failed to uninstall block I/O protocol\n");
-                       return EFI_ST_SUCCESS;
+                       return EFI_ST_FAILURE;
                }
        }

--
2.24.1