reject high-speed devices if bMaxPacketSize0!=64?

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I noticed that the kernel will accept high-speed devices that have a
bMaxPacketSize0 that isn't 64. The USB spec says that high speed
devices are required to have an endpoint 0 of 64 bytes exactly. Is
this a bug or is it on purpose? If it's a bug, a hint as to where to
look to fix it would be appreciated.

thanks,
-Chris
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