diff options
Diffstat (limited to 'libusb/os')
| -rw-r--r-- | libusb/os/windows_usb.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libusb/os/windows_usb.c b/libusb/os/windows_usb.c index e8e418d..3f85ac1 100644 --- a/libusb/os/windows_usb.c +++ b/libusb/os/windows_usb.c @@ -1559,6 +1559,12 @@ static int windows_get_active_config_descriptor(struct libusb_device *dev, unsig static int windows_open(struct libusb_device_handle *dev_handle) { struct windows_device_priv *priv = __device_priv(dev_handle->dev); + struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev); + + if (priv->apib == NULL) { + usbi_err(ctx, "program assertion failed - device is not initialized"); + return LIBUSB_ERROR_NO_DEVICE; + } return priv->apib->open(dev_handle); } |