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efi_loader: HandleProtocol parameter checks

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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>
This commit is contained in:
Heinrich Schuchardt 2019-05-05 11:24:53 +02:00
parent 529886a097
commit e7c3cd6b67
1 changed files with 8 additions and 1 deletions
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9
lib/efi_loader/efi_boottime.c
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@ -2636,8 +2636,15 @@ 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);