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    SubjectRe: [PATCH] fix pktcdvd breakage from commit e105b8bfc769b0545b6f0f395179d1e43cbee822
    On Sun, Nov 30, 2008 at 16:56, Kay Sievers <> wrote:
    > On Sun, Nov 30, 2008 at 15:52, Al Viro <> wrote:
    >> On Sun, Nov 30, 2008 at 03:28:15PM +0100, Kay Sievers wrote:
    >>> > So we need to preserve the layout, with the easiest way probably being "add
    >>> > one more ktype and use kobject_init_and_add() instead of that device_create()".
    >>> > Sigh...
    >>> What do you mean? We just need to replace the bogus "pd->pkt_dev" with
    >>> MKDEV(0, 0) and we are fine.
    >> Userland-visible change - right now cat /sys/class/pktcdvd/pktcdvd3/dev will
    >> give you dev_t of the block device in question.
    > True, it's visible, but it's incorrect dead information which should
    > be removed. Subsystem != "block is defined as S_IFCHR, and there is no
    > such char device for pktcdvd. In fact the "dev" file of the pktcdvd
    > class device points in many cases to a USB device, which must be
    > fixed.
    > The whole pktcdvd class is not used at all, besides for exporting a
    > few files. The "dev" file at the class device is just a bug, and the
    > MAJOR/MINOR uevent environment variables also. I doubt that there will
    > be any visible breakage in something that isn't already totally
    > broken. In short, I doubt, that anything that works today will stop
    > working if we remove the bugus "dev" file.
    > This seem like the simple and correct fix for the issue with /sys/dev/
    > and the broken non-existing but exported pkcdvd char device:
    > - pd->dev = device_create(class_pktcdvd, NULL, pd->pkt_dev, NULL,
    > + pd->dev = device_create(class_pktcdvd, NULL, MKDEV(0, 0), NULL,

    Al, this bug still exists, right? Any objections to remove the dead char dev_t?


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