netdev - small design problem with hso driver

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Message-ID: <48ECBB26.7080402@option.com>
Date:	Wed, 08 Oct 2008 15:52:38 +0200
From:	Denis Joseph Barrow <D.Barow@...ion.com>
To:	Linux USB kernel mailing list <linux-usb@...r.kernel.org>,
	Linux netdev Mailing list <netdev@...r.kernel.org>
Subject: small design problem with hso driver

Hi,
I'm getting a fairly consistently reproducable problem
with the 3g modem hso driver. The most reproducable
bug I have.

It happens when I plug out the usb modem & ctrl-c
out of an ioctl call with the modem connected in paralell over ppp
with wvdial 

Basically whats happening is the hso_serial_close
is being called more times than the hso_serial_open &
I don't know why.

I can put in a kludge to cure the symptom which would prevent the crash
but it would be nice to know why this might be
happening.

-- 
best regards,
D.J. Barrow
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