293         int rc = libusb_submit_transfer(read->transfer);  in SubmitRead()  local
294         if (rc != 0) {  in SubmitRead()
295             LOG(ERROR) << "libusb_submit_transfer failed: " << libusb_strerror(rc);  in SubmitRead()
314         int rc = libusb_submit_transfer(write->transfer);  in SubmitWrite()  local
315         if (rc == 0) {  in SubmitWrite()
318             LOG(ERROR) << "libusb_submit_transfer failed: " << libusb_strerror(rc);  in SubmitWrite()
357         int rc = libusb_get_device_descriptor(device_.get(), &device_desc);  in GetDeviceDescriptor()  local
358         if (rc != 0) {  in GetDeviceDescriptor()
360                          << ": " << libusb_error_name(rc);  in GetDeviceDescriptor()
375         int rc = libusb_get_active_config_descriptor(device_.get(), &config_raw);  in FindInterface()  local
376         if (rc != 0) {  in FindInterface()
378                          << device_address_ << ": " << libusb_error_name(rc);  in FindInterface()
477         int rc = libusb_get_string_descriptor_ascii(  in GetSerial()  local
480         if (rc == 0) {  in GetSerial()
483         } else if (rc < 0) {  in GetSerial()
485                          << libusb_error_name(rc);  in GetSerial()
488         serial.resize(rc);  in GetSerial()
595         int rc = libusb_open(device_.get(), &handle_raw);  in OpenDevice()  local
596         if (rc != 0) {  in OpenDevice()
598             LOG_ERR(error, "failed to open device: %s", libusb_strerror(rc));  in OpenDevice()
624         rc = libusb_claim_interface(device_handle_.get(), interface_num_);  in OpenDevice()
625         if (rc != 0) {  in OpenDevice()
627                     libusb_error_name(rc));  in OpenDevice()
633             rc = libusb_clear_halt(device_handle_.get(), endpoint);  in OpenDevice()
634             if (rc != 0) {  in OpenDevice()
636                         serial_.c_str(), endpoint, libusb_error_name(rc));  in OpenDevice()
658         int rc = libusb_cancel_transfer(read_block->transfer);  in CancelReadTransfer()  local
659         if (rc != 0) {  in CancelReadTransfer()
660             LOG(WARNING) << "libusb_cancel_transfer failed: " << libusb_error_name(rc);  in CancelReadTransfer()
691                 int rc = libusb_cancel_transfer(write_block->transfer);  in CloseDevice()  local
692                 if (rc != 0) {  in CloseDevice()
696                     LOG(INFO) << "libusb_cancel_transfer failed: " << libusb_error_name(rc);  in CloseDevice()
729             int rc = libusb_release_interface(device_handle_.get(), interface_num_);  in CloseDevice()  local
730             if (rc != 0) {  in CloseDevice()
731                 LOG(WARNING) << "libusb_release_interface failed: " << libusb_error_name(rc);  in CloseDevice()
784         int rc = libusb_reset_device(device_handle_.get());  in Reset()  local
785         if (rc == 0) {  in Reset()
795             LOG(ERROR) << "libusb_reset_device failed: " << libusb_error_name(rc);  in Reset()
957                 int rc = adb_poll(&pfd, 1, ms);  in device_connected()  local
958                 if (rc == -1) {  in device_connected()
972                 rc = adb_read(infd.get(), &buf, sizeof(buf));  in device_connected()
973                 if (rc == -1) {  in device_connected()
1057     int rc = libusb_init(nullptr);  in usb_init()  local
1058     if (rc != 0) {  in usb_init()
1059         LOG(WARNING) << "failed to initialize libusb: " << libusb_error_name(rc);  in usb_init()
1064     rc = libusb_hotplug_register_callback(  in usb_init()
1071     if (rc != LIBUSB_SUCCESS) {  in usb_init()