HandleProtocol() and OpenProtocol() have to return EFI_UNSUPPORTED if the protocol is not installed on the handle.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_loader/efi_boottime.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index af9b2f4df3..5104ad5b83 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -2638,8 +2638,15 @@ static efi_status_t EFIAPI efi_open_protocol }
r = efi_search_protocol(handle, protocol, &handler); - if (r != EFI_SUCCESS) + switch (r) { + case EFI_SUCCESS: + break; + case EFI_NOT_FOUND: + r = EFI_UNSUPPORTED; goto out; + default: + goto out; + }
r = efi_protocol_open(handler, protocol_interface, agent_handle, controller_handle, attributes); -- 2.20.1