kinect_upload_fw: initialize current_configuration before libusb_get_configuration()

Initialize the variable as suggested by http://libusb.sourceforge.net/api-1.0/caveats.html

diff --git a/kinect_upload_fw/kinect_upload_fw.c b/kinect_upload_fw/kinect_upload_fw.c
index e3b72db..f145865 100644 (file)
--- a/kinect_upload_fw/kinect_upload_fw.c
+++ b/kinect_upload_fw/kinect_upload_fw.c
@@ -155,13 +155,14 @@ int main(int argc, char** argv) {
                goto fail_libusb_open;
        }
 
-       int current_configuration = 0;
+       int current_configuration = -1;
        libusb_get_configuration(dev, &current_configuration);
        if (current_configuration != 1)
                libusb_set_configuration(dev, 1);
 
        libusb_claim_interface(dev, 0);
 
+       current_configuration = -1;
        libusb_get_configuration(dev, &current_configuration);
        if (current_configuration != 1) {
                res = -ENODEV;