efi_driver: fix efi_uc_stop()

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.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-01-09 23:26:43 +01:00
parent 1064f2ef03
commit d743104246
2 changed files with 6 additions and 5 deletions

View File

@ -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);

View File

@ -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;
}
}