linux-kernel - Re: [PATCH 2.6.21-rc4] ieee1394: fix oops on "modprobe -r ohci1394" after network class

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Date:	Wed, 21 Mar 2007 01:16:10 +0100 (CET)
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Greg KH <greg@...ah.com>
cc:	linux-kernel@...r.kernel.org,
	linux1394-devel@...ts.sourceforge.net,
	Ismail D?nmez <ismail@...dus.org.tr>,
	Adrian Bunk <bunk@...sta.de>, Thomas Meyer <thomas@...3r.de>,
	Tobias Diedrich <ranma@...edrich.de>
Subject: Re: [PATCH 2.6.21-rc4] ieee1394: fix oops on "modprobe -r ohci1394"
 after network class_device conversion

On 20 Mar, Greg KH wrote:
> On Tue, Mar 20, 2007 at 10:43:22PM +0100, Stefan Richter wrote:
>> @@ -586,7 +586,10 @@ static void ether1394_add_host (struct h
>>          }
>>  
>>  	SET_MODULE_OWNER(dev);
>> +#if 0
>> +	/* FIXME - Is this the correct parent device anyway? */
>>  	SET_NETDEV_DEV(dev, &host->device);
>> +#endif
> 
> That's interesting.  What does 'tree /sys/class/net/' look like with
> this patch applied?  Does the eth1394 device now live off in
> /sys/device/virtual?

Yes.

lrwxrwxrwx  1 root root 0 Mär 21 01:02 eth0 -> ../../devices/pci0000:00/0000:00:0b.0/eth0/
lrwxrwxrwx  1 root root 0 Mär 21 01:02 eth1 -> ../../devices/virtual/net/eth1/
lrwxrwxrwx  1 root root 0 Mär 21 01:02 lo -> ../../devices/virtual/net/lo/

(eth1 is IP over 1394 alias eth1394. eth0 is an actual ethernet
interface.)

And eth1/device (ex -> ../../../devices/pci*___*/fw-host*) is now gone.
Would anybody miss it?

> If so, I guess this is ok for now as we can wait for the rewrite of the
> ieee1394 subsystem to get the linking done correctly :)

That's my hope too.
-- 
Stefan Richter
-=====-=-=== --== =-=-=
http://arcgraph.de/sr/


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