if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) {
if ((ret = libusb_detach_kernel_driver(usb->devhdl, 0)) < 0) {
sr_err("Failed to detach kernel driver: %s.",
if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) {
if ((ret = libusb_detach_kernel_driver(usb->devhdl, 0)) < 0) {
sr_err("Failed to detach kernel driver: %s.",