netdev - Re: small design problem with hso driver

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Date:	Wed, 8 Oct 2008 10:45:56 -0700
From:	Greg KH <greg@...ah.com>
To:	Denis Joseph Barrow <D.Barow@...ion.com>
Cc:	Linux USB kernel mailing list <linux-usb@...r.kernel.org>,
	Linux netdev Mailing list <netdev@...r.kernel.org>
Subject: Re: small design problem with hso driver

On Wed, Oct 08, 2008 at 03:52:38PM +0200, Denis Joseph Barrow wrote:
> 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.

Care to put a trace or printk() to determine who is doing each open and
close?

thanks,

greg k-h
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