netdev - Re: [git patches] net driver fixes for 2.6.28-rc

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Message-Id: <4E748A76-E93F-40ED-B797-61F4A0CE7404@holtmann.org>
Date:	Tue, 4 Nov 2008 09:27:30 +0100
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Jonathan McDowell <noodles@...th.li>
Cc:	Jeff Garzik <jeff@...zik.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [git patches] net driver fixes for 2.6.28-rc

Hi Jonathan,

>>> are you also queuing patches for drivers/net/usb/hso.c, because the
>>> current state of that driver is fully broken. It oopses and shows up
>>> with a WLAN RFKILL switch instead of WWAN. Also it has some weird
>>> disconnect race with the TTY layer. Some patches have been posted,  
>>> but
>>> seems that nobody has picked them up so far.
>
>> Last patch sent me was sent on 9/16 by Denis Joseph Barrow; I replied
>> and never received a response after that.
>
>> Patches welcome...
>
>> I don't see any hso patches on
>> http://patchwork.ozlabs.org/project/netdev/list/ nor in my inbox,  
>> so I'm
>> guessing that no one sent me or netdev any hso patches.
>
> I sent the below to netdev@, Greg K-H and Andrew Bird (the people  
> listed
> in hso.c). I can't see it in the netdev archives but it did hit lkml  
> ok
> at:
>
> http://lkml.org/lkml/2008/10/30/92
>
> A subsequent fix for the rfkill layer has also been sent (and that did
> hit netdev ok and got acked), but this hso cleanup is still  
> appropriate.

It is not only appropriate, it is needed, because otherwise the driver  
is oopsing.

> The WLAN/WWAN change is obviously a one line fix but I didn't see any
> point sending a patch for it until I knew I was going to get some sort
> of response about it; I can knock one up if that's helpful.

Send a patch for it.

> Original message:
>
> [PATCH] Cleanup hso rfkill error handling
>
> Yup, this appears to be the problem, thanks. I think &hso_net->net- 
> >dev
> is more intuitive for the error message, so I've used that. I've also
> added missing line endings on the error messages and set our local
> rfkill structure element to NULL on failure so we don't try to call
> rfkill_unregister on driver removal if we failed to register at all.
>
> The patch below Works For Me (TM); the device is detected fine, can be
> removed without problems and connects ok. I'll have a prod at why the
> rfkill stuff isn't working next, but I believe this cleanup of the  
> error
> handling is appropriate no matter what the issue with registration is.
>
> Signed-Off-By: Jonathan McDowell <noodles@...th.li>

I have this patch running now and it works. Without it the device is  
not usable at all.

Acked-by: Marcel Holtmann <marcel@...tmann.org>

Regards

Marcel

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