Re: [PATCH] usb: fix possible oops in serial option driver

[Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>]

On Fri, 25 May 2012, Johan Hovold wrote:

> > Well tty-core shouldn't handle disconnect (which is usb-serial-
> > specific)
> 
> Just to clarify: the tty layer could learn to deal with disconnect
> (useful also for cdc-acm for example), but currently it is handled in
> usb-serial core so moving it there first for dtr_rts makes sense.

The tty layer may not know how to handle disconnect, but it certainly 
does know about handling tty_unregister_device().  Since that routine 
gets called by the usb-serial core as part of disconnect processing, 
what more is really needed?

Alan Stern

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