USB: legousbtower: drop redundant interrupt-in running flag
Drop the redundant interrupt-in-running flag, which tried to keep track
of when the interrupt-in URB was in flight. This isn't needed since we
can stop the URB unconditionally in tower_abort_transfers() and the URB
can not be submitted while usb_kill_urb() is running anyway.
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191105084152.16322-7-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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