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    SubjectRe: [PATCH] Drop second arg of unregister_chrdev()
    > * "name" is trivially unused.
    > * Requirement to pass to unregister function anything but cookie you've
    > got from register counterpart is wrong.

    Might this, instead, be an opportunity to get rid of the internal
    register_chrdev() and unregister_chrdev() calls in favor of the cdev
    interface? register_chrdev() is a bit of a backward-compatibility hack
    at this point, and cdevs, in theory, are safer since they won't present
    drivers with minor numbers they might not be prepared to handle.


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