From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 13 Feb 2013 13:27:05 +0000 (+0100)
Subject: rt2x00: check for dma mappings errors
X-Git-Tag: v3.9-rc1~139^2~31^2^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ea545d476d3182056aeb042c439237ed61d261e;p=pandora-kernel.git

rt2x00: check for dma mappings errors

Check output of dma_map_single functions which nowadays can fail (when
IOMMU is used). On write_beacon callbacks just print error, similar
like padding error is handled by rt2800_write_beacon.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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