Re: [linux-usb-devel] [PATCHlet] 2.5.23 usb, ide

From: David Brownell (david-b@pacbell.net)
Date: Thu Jun 20 2002 - 12:07:23 EST


> Earlier, I reported an oops at shutdown. I just looked at
> what causes the oops and find that the call
> hcd->driver->stop()
> is executed while hcd->driver->stop is NULL.
>
> ...
> USB people may worry whether hcd->driver->stop should
> have been non-NULL.

Not supposed to be possible. All those hc_driver structures
are declared "static const", with non-null stop(). Looks like
something was zeroing some driver's readonly data segment while
it was still in use. (And who knows that else!)

What driver was getting that treatment?

- Dave

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