[cups.bugs] [LOW] STR #2539: IOCNR_GET_DEVICE_ID ioctl isn'timplemented for drivers/chap/lp.c

Michael R Sweet msweet at apple.com
Mon Oct 1 11:29:05 PDT 2007

Dick Marinus wrote:
>> File a bug with the kernel developers, then.  This will not be fixed.
> This isn't a bug in the kernel, it was not intended to work this way.
> For as far as I can see IOCNR_GET_DEVICE_ID isn't an official ioctl (it isn't even exported to userland through an header file).
> Why remove a perfectly working implementation from cups and replace it by an implementation which might (or probably differently) work in future?

It was not perfectly working, and all other operating systems that
support a "get 1284 device ID" ioctl support it on both USB and

Michael R Sweet                        Senior Printing System Engineer

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