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    SubjectRe: [PATCH RFC] [PATCH] drivers/scsi/ch.c: Remove BKL in ch_open
    On Sun, 11 Oct 2009 09:19:04 -0700
    Arjan van de Ven <arjan@infradead.org> wrote:

    > > The more general problem of
    > >
    > > register_chrdev
    > > open
    > > do something
    > > error
    > > unload
    > > whoops
    > >
    > > definitely needs looking at however.
    >
    > absolutely
    >
    > we used to have the same issue with networking devices,
    > and there it ended up with a split "allocate" and "register"

    Char devs are really the same way - request_chrdev_region() and
    cdev_add(). I've thought for a while that register_chrdev() should be
    seen as a legacy interface and removed - LDD3 was written from that
    point of view. But that takes work, and nobody's found the issue
    urgent enough to put time into...

    jon


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