On Wed, 20 Jan 2016, Heiner Kallweit wrote: > Primary meaning of ENOSYS is "system call not available" but it's also used > with meaning "function not implemented". Both are not applicable here. > > Typically this error occurs when the device was unplugged. > usbhid_raw_request returns -ENODEV in such a case what seems to be more > reasonable. Therefore use -ENODEV also here. > > Primary motivation for this change is a change in the LED subsystem to > ignore -ENODEV if the device was most likely unplugged. I believe POSIX defines ENOSYS as "Function not implemented". In this case, we are signalling there is no "URB OUT" function. I don't have strong preference either way, but ENODEV doesn't seem to be particularly good fit for this purpose either. -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
