Re: [PATCH 02/79] kobject: replace '/' with '!' in name

From: Greg KH
Date: Tue Jul 22 2008 - 16:53:05 EST


On Tue, Jul 22, 2008 at 08:12:38PM +0200, Ingo Oeser wrote:
> Hi Greg,
> hi Kay,
>
> On Tuesday 22 July 2008, Greg Kroah-Hartman wrote:
> > From: Kay Sievers <kay.sievers@xxxxxxxx>
> >
> > Some (block) devices have a '/' in the name, and need special
> > handling. Let's have that rule to the core, so we can remove it
> > from the block class.
>
> Yes, but why replace only one?

Do you know of block devices with more than one?

> > diff --git a/lib/kobject.c b/lib/kobject.c
> > index dcade05..7444015 100644
> > --- a/lib/kobject.c
> > +++ b/lib/kobject.c
> > @@ -216,13 +216,19 @@ static int kobject_add_internal(struct kobject *kobj)
> > static int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
> > va_list vargs)
> > {
> > - /* Free the old name, if necessary. */
> > - kfree(kobj->name);
> > + const char *old_name = kobj->name;
> > + char *s;
> >
> > kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
> > if (!kobj->name)
> > return -ENOMEM;
> >
> > + /* ewww... some of these buggers have '/' in the name ... */
> > + s = strchr(kobj->name, '/');
> > + if (s)
> > + s[0] = '!';
> > +
> > + kfree(old_name);
> > return 0;
> > }
>
> while (s = strchr(kobj->name, '/')) {
> s[0] = '!';
> }
>
> instead?

Nice, care to send a follow-on patch for this?

thanks,

greg k-h
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