Re: Oops in usb-serial with keyspan adapter on current upstream

From: Alan Stern
Date: Tue May 26 2009 - 22:13:49 EST

On Wed, 27 May 2009, Benjamin Herrenschmidt wrote:

> On Tue, 2009-05-26 at 10:06 -0400, Alan Stern wrote:
> > On Tue, 26 May 2009, Benjamin Herrenschmidt wrote:
> >
> > > Well, both our patches are bogus in the sense that they will leak
> > > the stuff in the port structure.
> >
> > That's not true at all. Take a look at the destroy_serial() routine.
> Right... hrm. This is an horrible mess, I can't wait to see that
> refcount going wrong and things trying to double free or leaking the
> structure.
> Oh well, fix it the way your want, I don't care as long as it's fixed.
> This driver is just plain horrible.

I can't disagree with that. :-) The usb-serial design was a mess to
begin with, and it didn't get much better when the serial bus was

I'm inclined to use my patch because it's shortest. Can I add your

Alan Stern

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