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SubjectRe: The use of KOBJ_NAME_LEN
On Dec 4, 2007 2:50 PM, Robert P. J. Day <rpjday@crashcourse.ca> 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.

Yes, It's clear, but it is not the topic I talk about.
Please look at the KOBJ_NAME_LEN macro usage.

>
> rday
> ========================================================================
> Robert P. J. Day
> Linux Consulting, Training and Annoying Kernel Pedantry
> Waterloo, Ontario, CANADA
>
> http://crashcourse.ca
> ========================================================================
>


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