From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [net-next 07/11] e1000e: cleanup Rx checksum offload code
Date: Tue, 03 Jan 2012 15:08:42 -0500 (EST)
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From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Tue,  3 Jan 2012 11:19:12 -0800

> -		__sum16 sum = (__force __sum16)htons(csum);
> +		__sum16 sum = (__force __sum16)htons(le16_to_cpu(csum));

Looks like a NOP.  It's essentially "cpu_to_le16(le16_to_cpu(csum)" as
far as I can tell.