From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [i4l] do not print a warning when shutting down an i4l ppp
 interface
Date: Wed, 14 Jan 2009 14:41:09 -0800 (PST)
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From: Paul Bolle <pebolle@tiscali.nl>
Date: Mon, 12 Jan 2009 13:43:17 +0100

> When an i4l ppp interface is shut down (e.g. with /sbin/ifdown ippp0) a
> scary warning is logged:
>     
>     isdn_free_channel: called with invalid drv(-1) or channel(-1)
>     
> This warning is caused by isdn_net_unbind_channel(), which always calls
> isdn_free_channel() even if isdn_net_local->isdn_device and
> isdn_net_local->isdn_channel are (still) in a perfectly acceptable
> default state, so let's not do that.
> 
> Signed-off-by: Paul Bolle <pebolle@tiscali.nl>

Applied.