From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Sun, 4 Apr 2010 21:40:18 +0000 (+0000)
Subject: benet: fix the misusage of zero dma address
X-Git-Tag: v2.6.35-rc1~473^2~539
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b681ee77f8ad248b0fdcec2e5e8c4df6e757eba3;p=pandora-kernel.git

benet: fix the misusage of zero dma address

benet driver 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>
Acked-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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