linux-kernel - Re: [patch] [SCSI] target: dubious one-bit signed bitfield

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Message-ID: <20110115165401.GE2721@bicker>
Date:	Sat, 15 Jan 2011 19:54:01 +0300
From:	Dan Carpenter <error27@...il.com>
To:	walter harms <wharms@....de>
Cc:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>,
	James Bottomley <James.Bottomley@...e.de>,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch] [SCSI] target: dubious one-bit signed bitfield

On Sat, Jan 15, 2011 at 05:36:11PM +0100, walter harms wrote:
> 
> 
> Am 15.01.2011 15:04, schrieb Dan Carpenter:
> > The signed one-bit types can be 0 or -1 which can cause a problem if
> > someone ever checks if (foo->lu_gp_assoc == 1).  The current code is
> > fine because everyone just checks zero vs non-zero.  But Sparse
> > complains about it so lets change it.  The warnings look like this:
> > 
> 
> Your code looks ok,
> but to avoid that kind of errors it may be better to use int here.
> 

I'm afraid I don't understand what you are saying.

regards,
dan carpenter
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