Messages in this thread | | | Date | Wed, 3 Feb 2016 19:46:43 -0800 | From | Greg KH <> | Subject | Re: [PATCH v3] usb: devio: Add ioctl to disallow detaching kernel USB drivers. |
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On Thu, Feb 04, 2016 at 12:20:57AM -0300, Emilio López wrote: > From: Reilly Grant <reillyg@chromium.org> > > The new USBDEVFS_DROP_PRIVILEGES ioctl allows a process to voluntarily > relinquish the ability to issue other ioctls that may interfere with > other processes and drivers that have claimed an interface on the > device. > > Signed-off-by: Reilly Grant <reillyg@chromium.org> > Signed-off-by: Emilio López <emilio.lopez@collabora.co.uk> > > --- > > Changes in v3: > - Switch ioctl to use a __u32 given the iface qty is capped at 32 > - Reword comments as requested by Alan > - Allow callers to shrink the allowed interfaces mask
No documentation? Proof it works? Test scripts?
This isn't a trivial feature to add, how do we know it is correct?
thanks,
greg k-h
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