On Tuesday 20 March 2007 23:43:22 Stefan Richter wrote:
> The networking subsystem has been converted from class_device to device
> but ieee1394 hasn't.  This results in a 100% reproducible NULL pointer
> dereference if the ohci1394 driver module is unloaded while the eth1394
> module is still loaded.
> http://lkml.org/lkml/2006/11/16/147
> http://lkml.org/lkml/2007/3/14/4
>
> This is a regression in 2.6.21-rc1.
>
> Signed-off-by: Stefan Richter <[EMAIL PROTECTED]>
> ---
>
> Works for me.  I still can connect to an OS X box via eth1394 after that
> and modprobe -r ohci1394 before modprobe -r eth1394 works again.
>
> Index: linux-2.6.21-rc4/drivers/ieee1394/eth1394.c
> ===================================================================
> --- linux-2.6.21-rc4.orig/drivers/ieee1394/eth1394.c  2007-03-16
> 19:24:44.000000000 +0100 +++
> linux-2.6.21-rc4/drivers/ieee1394/eth1394.c   2007-03-20 22:28:49.000000000
> +0100 @@ -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
>
>       priv = netdev_priv(dev);

This also fixes the issue for me, thanks for tracking this down Stefan.

Regards.

-- 
Happiness in intelligent people is the rarest thing I know. (Ernest Hemingway)

Ismail Donmez ismail (at) pardus.org.tr
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Pardus Linux / KDE developer
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