From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 1/2] acenic: fix the misusage of zero dma address
Date: Thu, 01 Apr 2010 18:44:03 -0700 (PDT)
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From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Thu,  1 Apr 2010 17:13:05 +0900

> acenic wrongly assumes that zero is an invalid dma address (calls
> dma_unmap_page for only non zero dma addresses). Zero is a valid dma
> address on some architectures. The dma length can be used here.
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

Applied to net-next-2.6