for (i = 0; devlist[i]; i++) {
if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
sr_err("hantek-dso: failed to get device descriptor: %d", ret);
for (i = 0; devlist[i]; i++) {
if ((ret = libusb_get_device_descriptor(devlist[i], &des))) {
sr_err("hantek-dso: failed to get device descriptor: %d", ret);