On Fri, 22 Jul 2016, Oliver Neukum wrote:

> It is always possible to go back to the usb_device if you know
> the interface. It is unnecessary to store the device and thus should
> not be done.

That is not a hard-and-fast law -- the kernel isn't based on Codd's
rules for relational databases.  This patch eliminates one pointer from
one data structure, while adding 8 extra nontrivial computations to the
code.  The end result is not obviously an improvement.

Alan Stern

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to