Hi Oliver, > if this function is reentered there's a race with the error path. Can > it be reentered? no. The Bluetooth core will protect against it. The open callback will be triggered by "hciconfig hci0 up" or hcid/bluetoothd. 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