loading firmware into hplj1000 twice

[Pavel Shvagirev]

/lib/udev/hplj1000 doesn't handle another $DEVNAME case when udev calls it twice.

Udev calls the script twice for some reason on the system described below.

At first, udev calls hplj1000 with "/dev/bus/usb/004/059" as a $DEVNAME which is not desired/not supported.
Then it calls the script once again with "/dev/usb/lp0" as a $DEVNAME which is desired and must be used to load a firmware to.

The problem is that the script handles only "/dev/usb/usb*" case but not the "/dev/bus/usb/*".
This leads to firmware being loaded twice which causes HP LaserJet 1000 to hang and stop processing tasks.

Attached patch adds another case to the /lib/udev/hplj1000 script that silently exits if the script is called with undesired value.

# lsb_release -rd
Description: Ubuntu 14.04.2 LTS
Release: 14.04
# apt-cache policy printer-driver-foo2zjs-common
printer-driver-foo2zjs-common:
  Installed: 20140209dfsg0-1ubuntu1
  Candidate: 20140209dfsg0-1ubuntu1
  Version table:
 *** 20140209dfsg0-1ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
        100 /var/lib/dpkg/status
# apt-cache policy udev
udev:
  Installed: 204-5ubuntu20.12
  Candidate: 204-5ubuntu20.12
  Version table:
 *** 204-5ubuntu20.12 0
        500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     204-5ubuntu20 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
#

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "hplj1000.patch" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

[Pascal De Vuyst (pascal-devuyst)]

Thanks for your bugs report.
It would be nice if you could report your patch in the upstream foo2zjs forum for inclusion: http://foo2zjs.rkkda.com/forum/

[Pavel Shvagirev (pavel-shvagirev)]

Reported in the upstream forum: http://foo2zjs.rkkda.com/forum/read.php?8,4010