netdev - Re: [PATCH 1/5 v2] sunrpc: Remove sk_no

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Message-Id: <20140521.163735.1815284886558779067.davem@davemloft.net>
Date:	Wed, 21 May 2014 16:37:35 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 1/5 v2] sunrpc: Remove sk_no_check setting

From: Tom Herbert <therbert@...gle.com>
Date: Mon, 19 May 2014 10:09:56 -0700 (PDT)

> Setting sk_no_check to UDP_CSUM_NORCV seems to have no effect.
> 
> Signed-off-by: Tom Herbert <therbert@...gle.com>

It does have an effect.

All of the UDP receive paths check for sk->sk_no_check being non-zero,
causing it to accept packets with a zero checksum.

You're changing behavior here.
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