linux-kernel - Re: [PATCH] gx-suspmod: fix "&& 0xff" typo

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Message-ID: <20061108225007.GI3309@redhat.com>
Date:	Wed, 8 Nov 2006 17:50:07 -0500
From:	Dave Jones <davej@...hat.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	Andrew Morton <akpm@...l.org>,
	Dave Jones <davej@...emonkey.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gx-suspmod: fix "&& 0xff" typo

On Thu, Nov 09, 2006 at 01:20:46AM +0300, Alexey Dobriyan wrote:
 > >  > > -	params->pci_rev = class_rev && 0xff;
 > >  > > +	params->pci_rev = class_rev & 0xff;
 > >  >
 > >  > Hi,
 > >  > any kind of automated detection on that one?
 > >
 > > grep -r "&& 0x" .  seems to be pretty effective modulo
 > > some false-positives.
 > 
 > Obligatory nit-picking:
 > 
 > 	grep '&&[ 	]*0[xX][fF]' -r .

That misses some cases. Like..

drivers/char/ipmi/ipmi_msghandler.c:                    bmc->id.device_revision && 0x80 >> 7);
drivers/char/ipmi/ipmi_msghandler.c:                    bmc->id.device_revision && 0x0F);

		Dave

-- 
http://www.codemonkey.org.uk
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