- err = libusb_set_configuration(hdl, configuration);
- if (err != 0) {
- g_warning("Unable to set configuration: %d", err);
- return 1;
+ if (libusb_kernel_driver_active(hdl, 0)) {
+ if ((err = libusb_detach_kernel_driver(hdl, 0)) < 0) {
+ sr_warn("failed to detach kernel driver: %d", err);
+ return SR_ERR;
+ }
+ }
+
+ if ((err = libusb_set_configuration(hdl, configuration)) < 0) {
+ sr_warn("Unable to set configuration: %d", err);
+ return SR_ERR;