Hi Khem, > Working on a system which did not have a USB in it. I was getting a > segfault with hid2hci. The problem tracked down was usb_init () was > failing and we did not check for it and carried on with execution. > As a result the next call to libusb failed because we passed in NULL for > ctx because during usb_init () this should have been malloc'ed if all > have gone correctly but in case of error usb_init () free's up the > allocated memory and hence the segfault. > > We should check for return value of usb_init () call and exit > immediately if it fails. Tested on 4.24 release. the problem is that usb_init() doesn't return any errors on the versions that I have here: ii libusb-0.1-4 2:0.1.12-12 userspace USB programming library ii libusb-dev 2:0.1.12-12 userspace USB programming library Applying your patch would break complication on multiple platforms. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html