From: stephen hemminger <shemminger@vyatta.com>
Date: Thu, 19 Jan 2012 14:37:18 +0000 (+0000)
Subject: skge: check for PCI dma mapping errors
X-Git-Tag: v3.3-rc2~37^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0249e44432aa0ffcf710b64449b8eaa3722547e;p=pandora-kernel.git

skge: check for PCI dma mapping errors

Driver should check for mapping errors.
Machines with limited DMA maps may return an error when a PCI map is
requested (not an issue on standard x86).

Also use upper/lower 32 bits macros for clarity.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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