119         libusb_device_handle *dh = NULL;  in canusb_findalldevs()  local
121         if ((ret = libusb_open(devs[i],&dh)) == 0)  in canusb_findalldevs()
125             int n = libusb_get_string_descriptor_ascii(dh,desc.iSerialNumber,sernum,64);  in canusb_findalldevs()
131             libusb_close(dh);  in canusb_findalldevs()
165         libusb_device_handle *dh = NULL;  in canusb_opendevice()  local
167         if (libusb_open(devs[i],&dh) != 0) continue;  in canusb_opendevice()
169         n = libusb_get_string_descriptor_ascii(dh,desc.iSerialNumber,serial,64);  in canusb_opendevice()
174             libusb_close(dh);  in canusb_opendevice()
178         if ((libusb_kernel_driver_active(dh,0)) && (libusb_detach_kernel_driver(dh,0) != 0))  in canusb_opendevice()
180             libusb_close(dh);  in canusb_opendevice()
184         if (libusb_set_configuration(dh,1) != 0)  in canusb_opendevice()
186             libusb_close(dh);  in canusb_opendevice()
190         if (libusb_claim_interface(dh,0) != 0)  in canusb_opendevice()
192             libusb_close(dh);  in canusb_opendevice()
198         return dh;  in canusb_opendevice()