Re: The use of KOBJ_NAME_LEN

["Robert P. J. Day" <rpjday@crashcourse.ca>]

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.

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

http://crashcourse.ca
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