From: "Gustavo A. R. Silva" <garsi...@embeddedor.com>
Date: Sat, 28 Oct 2017 14:38:45 -0500

> Make use of the swap macro and remove unnecessary variable tmp.
> This makes the code easier to read and maintain.
> 
> This code was detected with the help of Coccinelle.
> 
> Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>

Applied.

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