linux-kernel - Re: [PATCH 1/6] staging:android_pmem.h: Fixes the space and other formating issues pointed out by checkpatch.pl

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Message-ID: <20120120135046.GN3356@mwanda>
Date:	Fri, 20 Jan 2012 16:50:47 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Joe Perches <joe@...ches.com>
Cc:	Andy Whitcroft <apw@...onical.com>,
	Pradheep Shrinivasan <pradheep.sh@...il.com>, greg@...ah.com,
	devel@...uxdriverproject.org, swetland@...gle.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] staging:android_pmem.h: Fixes the space and other
 formating issues pointed out by checkpatch.pl

On Fri, Jan 20, 2012 at 05:29:04AM -0800, Joe Perches wrote:
> > #define PMEM_IS_FREE(id, index) (!(pmem[id].bitmap[index].allocated))
> > 
> > That has two pairs of unneeded paranthesis and we run the risk of
> > reprogramming the kernel in lisp, by mistake.
> 
> I think the outer parens are necessary.
> Imagine PMEM_IS_FREE(foo, bar).another_dereference

That's not going to happen in real life.

regards,
dan carpenter


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