netdev - Re: [PATCH 5/8 v3] net: Generalize checksum

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Date:	Wed, 30 Apr 2014 17:23:39 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	netdev@...r.kernel.org, ben@...adent.org.uk
Subject: Re: [PATCH 5/8 v3] net: Generalize checksum_init functions

From: Tom Herbert <therbert@...gle.com>
Date: Tue, 29 Apr 2014 09:18:47 -0700 (PDT)

> +	if (complete || skb->len <= 76)
> +		return __skb_checksum_complete(skb);

Undocumented constant '76', it has no meaning to me as a reviewer.

> +	if (!__skb_checksum_validate_unnecessary(skb, zero_okay, check))\
> +		__ret = __skb_checksum_validate_complete(skb,		\
> +				complete, compute_pseudo(skb, proto));	\

Please avoid double negatives.

This would read more clearly if it was something like:

	if (__skb_checksum_validate_needed(skb, zero_okay, check))
		__skb_checksum_validate_complete(...);
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