linux-kernel - Re: [PATCH 07/29] Staging: yaffs2: yaffs

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Date:	Mon, 1 Nov 2010 22:16:40 +0100 (CET)
From:	Jesper Juhl <jj@...osbits.net>
To:	Tracey Dent <tdent48227@...il.com>
cc:	greg@...ah.com, manningc2@...rix.gen.nz,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 07/29] Staging: yaffs2: yaffs_checkptrw: Add files

On Mon, 1 Nov 2010, Jesper Juhl wrote:

> On Mon, 1 Nov 2010, Tracey Dent wrote:
> 
[snip]
> 
> > +int yaffs2_get_checkpt_sum(yaffs_dev_t *dev, __u32 *sum)
> > +{
> > +	__u32 composite_sum;
> > +	composite_sum =  (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xFF);
> > +	*sum = composite_sum;
> > +	return 1;
> > +}
> 
> Why not
> 
> int yaffs2_get_checkpt_sum(yaffs_dev_t *dev, __u32 *sum)
> {
>      *sum  = (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xFF);
>      return 1;
> }
> 

And by the way, why is this function not returning 'void' so it just 
becomes:

void yaffs2_get_checkpt_sum(yaffs_dev_t *dev, __u32 *sum)
{
     *sum  = (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xFF);
}

Since it's always returning '1' I fail to see the point of the 'int' 
return value.

-- 
Jesper Juhl <jj@...osbits.net>             http://www.chaosbits.net/
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