linux-kernel - Re: [PATCH][ppc] logical/bitand typo in powerpc/boot/4xx.c

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Date:	Wed, 23 Jan 2008 16:39:36 -0800
From:	Joe Perches <joe@...ches.com>
To:	Roel Kluin <12o3l@...cali.nl>
Cc:	Andy Whitcroft <apw@...dowen.org>, jwboyer@...ux.vnet.ibm.com,
	lkml <linux-kernel@...r.kernel.org>,
	linuxppc-dev <linuxppc-dev@...abs.org>
Subject: Re: [PATCH][ppc] logical/bitand typo in powerpc/boot/4xx.c

On Thu, 2008-01-24 at 01:18 +0100, Roel Kluin wrote:
> when you use git-grep -n "\(&&\|||\)${s}0x\([A-Z0-9]*\|[a-z0-9]*\)",
> (with s="[[:space:]]*") there will be false positives []
> so i'd propose to change that to
> +# Check for bitwise tests written as boolean
> +		if ($line =~ /(?:(?:\(|\&\&|\|\|)\s*0[xX]\s*(?:&&|\|\|)|
> +				(?:\&\&|\|\|)\s*0[xX]\s*(?:\)|&&|\|\|))/) {
> +			WARN("boolean test with hexadecimal, perhaps just 1 \& or \|?\n" . $herecurr);
> +		}
> +

All 13 false positives are "hex_constant logical_test variable".
I think that Linus would say that they are all poor style.

Still, fine by me.  cheers, Joe


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