From: Neil Horman <nhorman@tuxdriver.com>
Date: Thu, 13 Jun 2013 19:31:28 +0000 (-0400)
Subject: tulip: Properly check dma mapping result
X-Git-Tag: v3.10-rc6~2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9bfbb31af7c8428267b34eb9706a621ac219a28;p=pandora-kernel.git

tulip: Properly check dma mapping result

Tulip throws an error when dma debugging is enabled, as it doesn't properly
check dma mapping results with dma_mapping_error() durring tx ring refills.

Easy fix, just add it in, and drop the frame if the mapping is bad

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Grant Grundler <grundler@parisc-linux.org>
CC: "David S. Miller" <davem@davemloft.net>
Reviewed-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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