Re: [RFC] LSM fix for stupid "empty" functions

From: Greg KH (gregat_private)
Date: Sun Dec 01 2002 - 09:49:23 PST

  • Next message: Olaf Dietsche: "Re: [RFC] LSM fix for stupid "empty" functions"

    On Sun, Dec 01, 2002 at 12:17:54AM -0800, Crispin Cowan wrote:
    > Greg KH wrote:
    > 
    > >I'm _really_ tired of all of the "empty" functions that all security
    > >modules need to provide.  So here's a brute force patch that lets any
    > >security module only set the functions that it wants to override.  If
    > >the function is NULL, then the "dummy" function will be used instead.
    > >
    > Sounds good to me. So you're just creating a default null function, and 
    > then stuffing all the stubs with a pointer to that function?
    
    No, it uses the dummy_* function that matches that function type if you
    do not specify the function.  Look at the definition of the
    set_to_dummy_if_null() macro for how it works.
    
    thanks,
    
    greg k-h
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