diff options
-rw-r--r-- | NitrokeyManager.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/NitrokeyManager.cc b/NitrokeyManager.cc index d2403c1..9fbd303 100644 --- a/NitrokeyManager.cc +++ b/NitrokeyManager.cc @@ -201,6 +201,7 @@ char * strndup(const char* str, size_t maxlen){ string NitrokeyManager::get_serial_number() { + if (device == nullptr) { return ""; }; switch (device->get_device_model()) { case DeviceModel::PRO: { auto response = GetStatus::CommandTransaction::run(device); |