- if (libusb_kernel_driver_active(devc->usb->devhdl, 0) == 1)
- libusb_detach_kernel_driver(devc->usb->devhdl, 0);
+ if (libusb_kernel_driver_active(devc->usb->devhdl, 0) == 1) {
+ if (libusb_detach_kernel_driver(devc->usb->devhdl, 0) < 0) {
+ sr_err("genericdmm/victor-70c: failed to detach kernel driver");
+ return SR_ERR;
+ }
+ }