i4l: do not print a warning when shutting down an i4l ppp interface

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Paul Bolle 2009-01-14 14:41:00 -08:00 • committed by David S. Miller

parent f0d44ae310

commit bae5843160

1 changed files with 3 additions and 1 deletions

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drivers/isdn/i4l/isdn_net.c

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