On Wed, 2016-03-16 at 10:41 -0400, Alan Stern wrote:
> While adding your check to usb_driver_claim_interface() is a reasonable
> thing to do, it might not solve all the problems. A driver might still
> try to use the invalid interface pointer (perhaps when writing out an
> error message). It would be best to audit all the places that call
> usb_ifnum_to_if() or usb_altnum_to_altsetting() or
> usb_find_alt_setting() to be certain they don't try to dereference a
> NULL pointer.
I concur. I am not looking forward to that.
Regards
Oliver
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