- 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);
+/*
+ * The libusbx darwin backend is broken: it can report a kernel driver being
+ * active, but detaching it always returns an error.
+ */
+#if !defined(__APPLE__)
+ if (libusb_kernel_driver_active(hdl, 0) == 1) {
+ if ((ret = libusb_detach_kernel_driver(hdl, 0)) < 0) {
+ sr_err("failed to detach kernel driver: %s",
+ libusb_error_name(ret));