Re: [linux-usb-devel] Re: usb_clear_halt <-> disconnect race

[David Brownell]

	(1) The core or HCD will unlink all URBs for a removed device when
	it's removed

To do so you need to add the urb to a per device list, which has to be
locked. The problems arise if you loose the race. Where do you put the
lock ?

The hcd.c code which maintains that list is protected by hcd_data_lock,
which is not available outside that layer.



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