linux-kernel - Re: [PATCH 109/148] include/asm-x86/serial.h: checkpatch cleanups

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Date:	Tue, 25 Mar 2008 14:45:56 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jörn Engel <joern@...fs.org>
Cc:	David Miller <davem@...emloft.net>, jirislaby@...il.com,
	viro@...IV.linux.org.uk, joe@...ches.com, tglx@...utronix.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 109/148] include/asm-x86/serial.h: checkpatch cleanups
	- formatting only


* Ingo Molnar <mingo@...e.hu> wrote:

> you picked an borderline case without showing the full effects of your 
> choice of style - but still even in this example you are wrong i 
> believe. [...]

and let me give an example with the your very own code that you wrote 
and maintain, drivers/mtd/devices/block2mtd.c:

                                    errors   lines of code   errors/KLOC
drivers/mtd/devices/block2mtd.c         10             490          20.4

that's pretty OK code, but not perfect, the 10 errors are:

 ERROR: do not use C99 // comments
 ERROR: need spaces around that '=' (ctx:VxV)
 ERROR: need spaces around that '<' (ctx:VxV)
 ERROR: do not use C99 // comments
 ERROR: do not use C99 // comments
 ERROR: do not use C99 // comments
 ERROR: do not use C99 // comments
 ERROR: do not use C99 // comments
 ERROR: do not use C99 // comments
 ERROR: do not initialise statics to 0 or NULL

so just because you disagreed with those 2 errors that relate to '=' and 
'<' (and where accoding to CodingStyle checkpatch.pl is correct), you 
disregarded the other 8 very valid complaints that checkpatch.pl had. 
(the final one even negatively affects the size of the kernel)

and this is the experience i made in general: the checkpatch.pl benefits 
far outweigh the costs, even if you disagree with a particular rule of 
checkpatch.pl. When you came to Linux you already had to change your 
coding style quite radically, correct?

	Ingo
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