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* Re: [PATCH] Re: PPPoE Oops with 2.4.22-rc
       [not found] ` <fa.k5266bj.136mf8l@ifi.uio.no>
@ 2003-08-22 20:55   ` Junio C Hamano
  2003-08-22 21:12     ` Marcus Sundberg
  0 siblings, 1 reply; 5+ messages in thread
From: Junio C Hamano @ 2003-08-22 20:55 UTC (permalink / raw)
  To: Marcus Sundberg; +Cc: linux-kernel

>>>>> "MS" == Marcus Sundberg <marcus@ingate.com> writes:

MS> this patch fixes one crash in pppoe_connect():

--- linux-2.4.21-rc2/drivers/net/pppoe.c~	Wed May 14 00:08:52 2003
+++ linux-2.4.21-rc2/drivers/net/pppoe.c	Wed May 14 00:18:47 2003
@@ -606,7 +606,8 @@
 		/* Delete the old binding */
 		delete_item(po->pppoe_pa.sid,po->pppoe_pa.remote);
 
-		dev_put(po->pppoe_dev);
+		if (po->pppoe_dev)
+			dev_put(po->pppoe_dev);
 
 		memset(po, 0, sizeof(struct pppox_opt));
 		po->sk = sk;

Could you explain when/how pppoe_connect gets called with
(pppoe_dev == NULL) but with an old binding?


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] Re: PPPoE Oops with 2.4.22-rc
  2003-08-22 20:55   ` [PATCH] Re: PPPoE Oops with 2.4.22-rc Junio C Hamano
@ 2003-08-22 21:12     ` Marcus Sundberg
  2003-08-25 12:57       ` Greg Stark
  0 siblings, 1 reply; 5+ messages in thread
From: Marcus Sundberg @ 2003-08-22 21:12 UTC (permalink / raw)
  To: Junio C Hamano; +Cc: linux-kernel

Junio C Hamano <junkio@cox.net> writes:

> >>>>> "MS" == Marcus Sundberg <marcus@ingate.com> writes:
> 
> MS> this patch fixes one crash in pppoe_connect():
> 
> --- linux-2.4.21-rc2/drivers/net/pppoe.c~	Wed May 14 00:08:52 2003
> +++ linux-2.4.21-rc2/drivers/net/pppoe.c	Wed May 14 00:18:47 2003
> @@ -606,7 +606,8 @@
>  		/* Delete the old binding */
>  		delete_item(po->pppoe_pa.sid,po->pppoe_pa.remote);
>  
> -		dev_put(po->pppoe_dev);
> +		if (po->pppoe_dev)
> +			dev_put(po->pppoe_dev);
>  
>  		memset(po, 0, sizeof(struct pppox_opt));
>  		po->sk = sk;
> 
> Could you explain when/how pppoe_connect gets called with
> (pppoe_dev == NULL) but with an old binding?

I triggered it by doing 'ifconfig down' on the underlying ethernet
device. It's possible there are other ways to trigger it also. When
I made the fix I just looked at where the oops occured.

//Marcus
-- 
---------------------------------------+--------------------------
  Marcus Sundberg <marcus@ingate.com>  | Firewalls with SIP & NAT
 Firewall Developer, Ingate Systems AB |  http://www.ingate.com/

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] Re: PPPoE Oops with 2.4.22-rc
  2003-08-22 21:12     ` Marcus Sundberg
@ 2003-08-25 12:57       ` Greg Stark
  0 siblings, 0 replies; 5+ messages in thread
From: Greg Stark @ 2003-08-25 12:57 UTC (permalink / raw)
  To: Marcus Sundberg; +Cc: Junio C Hamano, linux-kernel


Marcus Sundberg <marcus@ingate.com> writes:

> I triggered it by doing 'ifconfig down' on the underlying ethernet
> device. It's possible there are other ways to trigger it also. 

Thank you. This has been a bug for a little while. I reported it with 2.4.20 a
few months ago.


-- 
greg


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] Re: PPPoE Oops with 2.4.22-rc
  2003-08-22 13:43     ` [PATCH] " Marcus Sundberg
@ 2003-08-22 16:54       ` David S. Miller
  0 siblings, 0 replies; 5+ messages in thread
From: David S. Miller @ 2003-08-22 16:54 UTC (permalink / raw)
  To: Marcus Sundberg; +Cc: marcelo, gzp, mostrows, linux-kernel

On 22 Aug 2003 15:43:01 +0200
Marcus Sundberg <marcus@ingate.com> wrote:

> this patch fixes one crash in pppoe_connect():

It's already in Marcelo's tree.

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH] Re: PPPoE Oops with 2.4.22-rc
  2003-08-12 18:05   ` Gabor Z. Papp
@ 2003-08-22 13:43     ` Marcus Sundberg
  2003-08-22 16:54       ` David S. Miller
  0 siblings, 1 reply; 5+ messages in thread
From: Marcus Sundberg @ 2003-08-22 13:43 UTC (permalink / raw)
  To: Marcelo Tosatti; +Cc: Gabor Z. Papp, mostrows, linux-kernel

Hi,

this patch fixes one crash in pppoe_connect():

--- linux-2.4.21-rc2/drivers/net/pppoe.c~	Wed May 14 00:08:52 2003
+++ linux-2.4.21-rc2/drivers/net/pppoe.c	Wed May 14 00:18:47 2003
@@ -606,7 +606,8 @@
 		/* Delete the old binding */
 		delete_item(po->pppoe_pa.sid,po->pppoe_pa.remote);
 
-		dev_put(po->pppoe_dev);
+		if (po->pppoe_dev)
+			dev_put(po->pppoe_dev);
 
 		memset(po, 0, sizeof(struct pppox_opt));
 		po->sk = sk;

//Marcus
-- 
---------------------------------------+--------------------------
  Marcus Sundberg <marcus@ingate.com>  | Firewalls with SIP & NAT
 Firewall Developer, Ingate Systems AB |  http://www.ingate.com/

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2003-08-25 12:57 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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     [not found] <fa.fl74mr0.184m51s@ifi.uio.no>
     [not found] ` <fa.k5266bj.136mf8l@ifi.uio.no>
2003-08-22 20:55   ` [PATCH] Re: PPPoE Oops with 2.4.22-rc Junio C Hamano
2003-08-22 21:12     ` Marcus Sundberg
2003-08-25 12:57       ` Greg Stark
2003-08-12  6:42 Gabor Z. Papp
2003-08-12 17:16 ` Marcelo Tosatti
2003-08-12 18:05   ` Gabor Z. Papp
2003-08-22 13:43     ` [PATCH] " Marcus Sundberg
2003-08-22 16:54       ` David S. Miller

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