[PATCH] Staging: usbip: Use local pointer to reference urb in stub_recv_cmd_submit
tklauser at distanz.ch
Fri Jun 17 02:27:57 PDT 2011
On 2011-06-17 at 11:00:29 +0200, Joey Lee <jlee at novell.com> wrote:
> ??? ??????2011-06-16 ??? 13:38 +0200???Tobias Klauser ?????????
> > Use a local pointer to reference the urb instead of dereferencing the
> > priv->urb member all over the function.
> What's the benefit for use local pointer to instead of priv->urb? Does
> it for coding style?
Dereferencing a pointer can be an expensive operation, depending on the
(cache) architecture. Also it helps readability.
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