On Mon, 3 Dec 2007, Greg KH wrote:

> On Tue, Dec 04, 2007 at 01:50:53AM -0500, Robert P. J. Day wrote:
> > On Tue, 4 Dec 2007, Dave Young wrote:
> >
> > > Hi,
> > > Does the KOBJ_NAME_LEN really means the limit of kobject name length? 
> > > seems not . And if it's true, is the KOBJ_NAME_LEN of 20 enough to use?
> > >
> > > In the kobject_set_name, the limit is 1024. Looks like either the comment 
> > > or the code should be updated.
> > >
> > > /**
> > >  *      kobject_set_name - Set the name of an object
> > >  *      @kobj:  object.
> > >  *      @fmt:   format string used to build the name
> > >  *
> > >  *      If strlen(name) >= KOBJ_NAME_LEN, then use a dynamically allocated
> > >  *      string that @kobj->k_name points to. Otherwise, use the static
> > >  *      @kobj->name array.
> > >  */
> >
> > the comment seems fairly clear -- if the name is sufficiently short,
> > it's stored in the static array.  if not, then it's stored in
> > dynamically allocated space.
>
> Unfortunately, it's totally wrong, the code was updated by the comment
> wasn't, sorry.  See my patch to fix this.

ah, quite right, now i see what dave was talking about.

rday
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://crashcourse.ca
========================================================================
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