linux-kernel - Re: [PATCH] staging:comedi: Fixed coding convention issues.

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Date:	Sun, 13 Jun 2010 11:11:18 -0700
From:	Joe Perches <joe@...ches.com>
To:	Henri Häkkinen <henrih81@...il.com>
Cc:	Mark Rankilor <reodge@...il.com>, devel@...verdev.osuosl.org,
	gregkh@...e.de, andrea.gelmini@...ma.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging:comedi: Fixed coding convention issues.

On Sun, 2010-06-13 at 14:27 +0300, Henri Häkkinen wrote:
> There are several printk statements without the "comedi:" prefix.
> Do you think it is better to leave these as they are, or should they
> be changed to use comedi_xxx macros (which will print the "comedi:"
> prefix)?
> 
> printk(KERN_WARNING "BUG: dev->driver=NULL in comedi_device_detach()\n");

I think it's better to convert them.

Anything with "BUG" in the format
maybe should be converted to BUG_ON.

> Also even with logging macros, there will be few lines which go beyond
> the 80 character boundary.

I'd ignore printk related long line warnings.

I suggest coalescing the format string to a single line
where reasonable.  If a single printk has non trailing
'\n's in a format, it may be better to split them up.

comedi_info("some incredibly long output line with error: %d\n"
	    "Another line with some other information: %d\n",
	    err, info);


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