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From: Stephen Hemminger <shemminger@osdl.org>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: davem@davemloft.net, chas@cmf.nrl.navy.mil,
	linux-atm-general@lists.sourceforge.net, netdev@vger.kernel.org,
	stable@kernel.org
Subject: Re: [PATCH] atm: clip causes unregister hang
Date: Wed, 12 Apr 2006 13:15:27 -0700	[thread overview]
Message-ID: <20060412131527.71f42d58@localhost.localdomain> (raw)
In-Reply-To: <20060412200015.GA19878@gondor.apana.org.au>

On Thu, 13 Apr 2006 06:00:15 +1000
Herbert Xu <herbert@gondor.apana.org.au> wrote:

> Hi Stephen:
> 
> On Wed, Apr 12, 2006 at 12:45:33PM -0700, Stephen Hemminger wrote:
> >
> >  	/* ignore non-CLIP devices */
> > -	if (((struct net_device *) dev)->type != ARPHRD_ATM ||
> > -	    ((struct net_device *) dev)->hard_start_xmit != clip_start_xmit)
> > +	if (dev->type != ARPHRD_ATM || dev->hard_start_xmit != clip_start_xmit)
> >  		return NOTIFY_DONE;
> 
> I think we need to check whether atm_init_atmarp has been done before
> passing this point.  We also need to make sure that it doesn't get pulled
> out from under us while we're doing this.
> 
> Cheers,

If atm_init_atmarp has not been done, then to_atamarpd is a nop because
atmarpd == NULL.

  reply	other threads:[~2006-04-12 20:15 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-12 17:55 [PATCH] atm: clip causes unregister hang Stephen Hemminger
2006-04-12 18:08 ` Herbert Xu
2006-04-12 19:45   ` Stephen Hemminger
2006-04-12 20:00     ` Herbert Xu
2006-04-12 20:15       ` Stephen Hemminger [this message]
2006-04-12 20:25         ` Herbert Xu
2006-04-12 21:52           ` Stephen Hemminger
2006-04-12 22:42             ` [PATCH] atm: clip timer race Stephen Hemminger
2006-04-13 12:45               ` Herbert Xu
2006-04-13 17:26                 ` Stephen Hemminger
2006-04-13 17:31                   ` Herbert Xu
2006-04-13 21:08                 ` Roland Dreier
2006-04-13 22:11                   ` Herbert Xu
2006-04-14 22:56               ` David S. Miller
2006-04-13 12:28             ` [PATCH] atm: clip causes unregister hang Herbert Xu
2006-04-14 22:07             ` David S. Miller
2006-04-13 22:22 ` [PATCH 1/4] clip: run through Lindent Stephen Hemminger
2006-04-13 22:24   ` [PATCH 4/4] clip: add module info Stephen Hemminger
2006-04-13 22:45   ` [stable] [PATCH 1/4] clip: run through Lindent Greg KH
2006-04-14  9:01     ` David S. Miller
2006-04-14 22:58   ` David S. Miller
2006-04-14 22:59   ` David S. Miller
     [not found] ` <20060413151945.0f181d04@localhost.localdomain>
2006-04-13 22:23   ` [PATCH 3/4] clip: notifier related cleanups Stephen Hemminger
2006-04-13 22:23   ` [PATCH 2/4] clip: get rid of PROC_FS ifdef Stephen Hemminger

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