linux-kernel - RE: [PATCH] checkpatch: Add some --strict coding style checks

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Message-ID: <804857E1F29AAC47BF68C404FC60A18429B98A@ORSMSX102.amr.corp.intel.com>
Date:	Wed, 22 Feb 2012 02:17:46 +0000
From:	"Allan, Bruce W" <bruce.w.allan@...el.com>
To:	Joe Perches <joe@...ches.com>
CC:	David Miller <davem@...emloft.net>,
	Andy Whitcroft <apw@...dowen.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"andrei.emeltchenko.news@...il.com" 
	<andrei.emeltchenko.news@...il.com>,
	"linville@...driver.com" <linville@...driver.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] checkpatch: Add some --strict coding style checks

> -----Original Message-----
> From: Joe Perches [mailto:joe@...ches.com]
> Sent: Tuesday, February 21, 2012 5:59 PM
> To: Allan, Bruce W
> Cc: David Miller; Andy Whitcroft; Andrew Morton;
> andrei.emeltchenko.news@...il.com; linville@...driver.com; linux-
> wireless@...r.kernel.org; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org
> Subject: RE: [PATCH] checkpatch: Add some --strict coding style checks
> 
> On Wed, 2012-02-22 at 01:56 +0000, Allan, Bruce W wrote:
> > > On Tue, 2012-02-21 at 22:09 +0000, Allan, Bruce W wrote:
> > > > This appears to falsely complain about parenthesis alignment in
> > > > conditional statements with multiple opening parentheses.
> > > Can you try this one please?
> []
> > It's better, but there are still instances of false hits AFAICT.
> 
> Do you have any examples?
> The only one I noticed was spaces for alignment instead of tabs.
> I think that's not a false hit myself.
> 

Example 1:
	if (((a == b) ||
	     (c == d) ||
	     (e == f)) &&
	    (bool_var))
		baz();

Example 2:
	if ((!(var & FOO_MASK) &&
	     (a == b)) ||
	    (c == d))
		baz();

Example 3:
	if (!((foo & FOO_MASK) &&
	      (bar & BAR_MASK)))
		baz();

HTH,
Bruce.