linux-kernel - Re: The use of KOBJ_NAME

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Message-ID: <alpine.LFD.0.9999.0712040150010.31686@localhost.localdomain>
Date:	Tue, 4 Dec 2007 01:50:53 -0500 (EST)
From:	"Robert P. J. Day" <rpjday@...shcourse.ca>
To:	Dave Young <hidave.darkstar@...il.com>
cc:	gregkh@...e.de, linux-kernel@...r.kernel.org
Subject: Re: The use of KOBJ_NAME_LEN

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

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