kinect_upload_fw: initialize current_configuration before libusb_get_configuration()

[kinect-audio-setup.git] / kinect_upload_fw / kinect_upload_fw.c

diff --git a/kinect_upload_fw/kinect_upload_fw.c b/kinect_upload_fw/kinect_upload_fw.c
index b2188d6..f145865 100644 (file)
--- a/kinect_upload_fw/kinect_upload_fw.c
+++ b/kinect_upload_fw/kinect_upload_fw.c
@@ -155,9 +155,20 @@ int main(int argc, char** argv) {
                goto fail_libusb_open;
        }
 
-       libusb_set_configuration(dev, 1);
+       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;
+               goto cleanup;
+       }
+
        seq = 1;
 
        bootloader_command cmd;