Re: [linux-usb-devel] Re: [OOPS, usbcore, releaseintf] 2.6.0-test10-mm1

[David Brownell]

Duncan Sands wrote:
> Hi Vince, I'm not sure, but it looks like a bug in the USB core.
> I was kind of expecting this :)  My patch causes devio.c to hold
> a reference to the usb_device maybe long after the device has
> been disconnected.  This is supposed to be OK, but from your

... no, that's not supposed to be OK.  Returning from disconnect()
means that a device driver is no longer referencing the interface
the driver bound to, or ep0.

- Dave



> Oops it looks like some part of the hcd was finalized too early
> (before devio.c dropped its reference to the usb_device).  Maybe
> one of the USB guys can comment?


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