linux-kernel - Re: [PATCH 2/2] Fix copy-paste bug: assign from src struct not dest

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Date:	Wed, 07 Jan 2015 23:16:18 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Giel van Schijndel <me@...tis.eu>
Cc:	Andy Shevchenko <andy.shevchenko@...il.com>,
	linux-kernel@...r.kernel.org, Kalle Valo <kvalo@...eaurora.org>,
	Eliad Peller <eliad@...ery.com>,
	"John W. Linville" <linville@...driver.com>,
	Arik Nemtsov <arik@...ery.com>,
	"open list:TI WILINK WIRELES..." <linux-wireless@...r.kernel.org>,
	"open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>
Subject: Re: [PATCH 2/2] Fix copy-paste bug: assign from src struct not dest

On Wed, 2015-01-07 at 20:18 +0100, Giel van Schijndel wrote:

> IMO the aligned block of code has the significant advantage of taking
> advantage of humans' ability to spot things that break a pattern. Which
> in this case becomes *very* visible when properly aligned, because
> without the alignment there is no (visual) pattern (or at least not one
> very suitable for my "visual processing system", I know the same applies
> to at least some others).

Yeah, well, but why even invoke that "visual processing system"?

If you look, for example, at the __skb_clone function it just uses a
macro:

#define C(x) n->x = skb->x

and then

	C(len);
	C(data_len);

etc.

johannes

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