linux-kernel - Re: POHMELFS is back

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Message-ID: <20110920174757.GA1330@ioremap.net>
Date:	Tue, 20 Sep 2011 21:47:57 +0400
From:	Evgeniy Polyakov <zbr@...emap.net>
To:	rikmorgandev@...il.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: POHMELFS is back

On Tue, Sep 20, 2011 at 11:05:17AM -0600, Rick Morgan (rikmorgan@...il.com) wrote:
> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

Please do not use inline html

>   <pre wrap="">+static inline int dnet_id_cmp_str(const unsigned char *id1, const unsigned char *id2)
> +{
> +	unsigned int <b>i = 0</b>;
> +
> +	for (<b>i*=sizeof</b>(unsigned long); i&lt;DNET_ID_SIZE; ++i) {
> +		if (id1[i] &lt; id2[i])
> +			return -1;
> +		if (id1[i] &gt; id2[i])
> +			return 1;
> +	}
> +
> +	return 0;
> +}
>   </pre>
> </blockquote>
> if i is initialized to 0, wouldn't i*=sizeof(unsigned long) be zero?<br>

Yes, it counts from zero. This chunk previously checked another
parameter first, but since then it was removed, but checking loop
remained.

-- 
	Evgeniy Polyakov
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