From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] hyperv: Add processing of MTU reduced by the
 host
Date: Wed, 12 Nov 2014 14:46:40 -0500 (EST)
Message-ID: <20141112.144640.703336197189868183.davem@davemloft.net>
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From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Tue, 11 Nov 2014 15:27:52 -0800

> -	if (mtu < 68 || mtu > limit)
> +	if (mtu < ETH_DATA_LEN || mtu > limit)
>  		return -EINVAL;

This is not correct.

The test is against the minimally supported MTU, which should
be 68 not ETH_DATA_LEN which is 1500.