[cups.bugs] [MOD] STR #2017: Linux USB driver cannot find printers

[Matthias Urlichs]

[STR New]

The current USB printer discovery code falls back to the /dev/usb/lp#
naming scheme if it cannot find the character device file /dev/usblp0 or
/dev/usb/isblp0.

However:
- Current Linux kernels + udev use /dev/usblp#
- Current udev removes device nodes which do not exist any more

The practical effect is that, if you have more than one USB printer and
unplug the one that has been assigned to usblp0, cupsys is unable to find
any of them.

That's not nice, to say the least.

The attached patch fixes this problem.

Link: http://www.cups.org/str.php?L2017
Version: 1.2-current
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