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efi_loader: UninstallMultipleProtocolInterfaces error code 

If UninstallMultipleProtocolInterfaces fails, we sometimes return the wrong
status code. The UEFI spec mandates to always return EFI_INVALID_PARAMETER.

Update unit test.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2018-09-24 19:57:27 +02:00 committed by Alexander Graf
parent 87fc275cac
commit e2373021f6
2 changed files with 17 additions and 4 deletions
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3
lib/efi_loader/efi_boottime.c
View File

@ -2414,7 +2414,8 @@ static efi_status_t EFIAPI efi_uninstall_multiple_protocol_interfaces(
}
efi_va_end(argptr);
return EFI_EXIT(r);
/* In case of an error always return EFI_INVALID_PARAMETER */
return EFI_EXIT(EFI_INVALID_PARAMETER);
}
/**

18
lib/efi_selftest/efi_selftest_manageprotocols.c
View File

@ -189,7 +189,14 @@ static int execute(void)
/*
* Test error handling in UninstallMultipleProtocols
*
* Try to uninstall more protocols than there are installed.
* These are the installed protocol interfaces on handle 2:
*
* guid1 interface4
* guid2 interface2
*
* Try to uninstall more protocols than there are installed. This
* should return an error EFI_INVALID_PARAMETER. All deleted protocols
* should be reinstalled.
*/
ret = boottime->uninstall_multiple_protocol_interfaces(
handle2,
@ -197,13 +204,18 @@ static int execute(void)
&guid2, &interface2,
&guid3, &interface3,
NULL);
if (ret == EFI_SUCCESS) {
if (ret != EFI_INVALID_PARAMETER) {
printf("%lx", ret);
efi_st_error("UninstallMultipleProtocolInterfaces did not catch error\n");
return EFI_ST_FAILURE;
}
/*
* Test LocateHandleBuffer with ByProtocol
*
* These are the handles with a guid1 protocol interface installed:
*
* handle1, handle2
*/
count = buffer_size;
ret = boottime->locate_handle_buffer(BY_PROTOCOL, &guid1, NULL,
@ -213,7 +225,7 @@ static int execute(void)
return EFI_ST_FAILURE;
}
if (count != 2) {
efi_st_error("LocateHandleBuffer failed to locate new handles\n");
efi_st_error("UninstallMultipleProtocolInterfaces deleted handle\n");
return EFI_ST_FAILURE;
}
ret = find_in_buffer(handle1, count, buffer);