Michal Demin wrote:
Subject: [PATCH 1/2] Detach the device kernel driver
when kernel driver loaded.
..
@@ -689,6 +690,15 @@ int rtlsdr_open(rtlsdr_dev_t
**out_dev, uint32_t index)
libusb_free_device_list(list, 0);
+ if (libusb_kernel_driver_active(dev->devh, 0)) {
+ // reattach later
+ dev->reattach = 1;
+ if (libusb_detach_kernel_driver(dev->devh, 0)) {
+ fprintf(stderr, "Error detaching kernel driver \n");
+ goto err;
+ }
+ }
+
r = libusb_claim_interface(dev->devh, 0);
if (r < 0) {
fprintf(stderr, "usb_claim_interface error %d\n", r);
This is racy. It's better to call libusb_detach_kernel_driver() when
libusb_claim_interface() returns an error.
//Peter