linux-kernel - Re: subsystem_unregister() breakage in -mm

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Message-ID: <20070926151458.GA10460@kroah.com>
Date:	Wed, 26 Sep 2007 08:14:58 -0700
From:	Greg KH <greg@...ah.com>
To:	Cornelia Huck <cornelia.huck@...ibm.com>
Cc:	Miklos Szeredi <miklos@...redi.hu>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: subsystem_unregister() breakage in -mm

On Wed, Sep 26, 2007 at 09:21:56AM +0200, Cornelia Huck wrote:
> On Tue, 25 Sep 2007 19:41:21 -0700,
> Greg KH <greg@...ah.com> wrote:
> 
> > Ok, here's a patch that fixes this for me.  It should go on top of the
> > -mm tree.  Let me know of this works or not.
> 
> Looks sane to me.
> 
> > In the end, we need to dynamically allocate these subsystems to properly
> > fix this.  In looking through the tree, there really isn't that many of
> > them, so I'll try to knock that out later this week.
> 
> What they need at least is a dynamically allocated k_name.

Yes :(

> Same goes
> for all those objects that use set_kset_name(), and there are quite a
> few of those...

Almost all of those are the stupid sysdev_class and sys_device stuff.  I
_really_ want to get rid of those as they should be a "normal"
device/driver/class.  I think Adam Belay has some patches he is working
on to get rid of these, but I do not know the status of them.

Anyway, they are static structures, so my fix will keep them from
oopsing.

thanks,

greg k-h
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