linux-kernel - Re: The use of KOBJ_NAME

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Message-ID: <a8e1da0712032317k492ad15aq917668d8a9413c61@mail.gmail.com>
Date:	Tue, 4 Dec 2007 15:17:32 +0800
From:	"Dave Young" <hidave.darkstar@...il.com>
To:	"Robert P. J. Day" <rpjday@...shcourse.ca>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org
Subject: Re: The use of KOBJ_NAME_LEN

On Dec 4, 2007 2:50 PM, Robert P. J. Day <rpjday@...shcourse.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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